Sony Interactive Entertainment is searching for experienced Full Stack Software Engineers to join our team and contribute to the development of in-house applications. This role involves creating seamless and secure solutions and ensuring delivery of exceptional user experiences. As a full-stack developer, you will work across the stack, contributing to both the front-end and back-end architecture and implementation. This is an opportunity to participate in a fun, demanding, fast-paced environment for individuals who thrive on new challenges and creative solutions.

What you'll be doing:

• Architect, design and develop RESTful API Endpoints, ensuring high performance, scalability and maintainability.
• Collaborate with other Front-End Engineers and develop dynamic, responsive and user-friendly web applications.
• Define Data Models and database schemas and manage relational databases or NoSQL databases ensuring data integrity and performance.
• Create and maintain documentation of application design, configuration and maintenance.
• Provide accurate timelines for specific tasks assigned.
• Participate in scheduled on-call rotation and respond to emergencies.

What we're looking for:

• 3+ years professional experience working with medium/large complex code bases
• Experience in Full Stack development
• Experience with one or more of the following programming languages: Java, Go, or Python
• Experience in REST API design and implementation
• Proficient in HTML, CSS, the JavaScript ecosystem and familiarity with popular frameworks like React, Angular, Ember, Jest, Babel, and TypeScript
• Knowledgeable in UI/UX design principles
• Strong communication and interpersonal skills
• Desire to collaborate and to develop strong and positive team relationships
• Attention to detail, organizational skills, a strong work ethic and the ability to work independently.

Preferred Qualifications:

• Bachelor’s degree in Computer Science or related field, or at least three years of proven experience in lieu of a degree
• Demonstrated ability to write clean, maintainable, and well-documented code.
• Database management, cloud technologies (AWS), and containerization (Docker, Kubernetes)
• Knowledge of React best practices
• Familiarity with DevOps tools and practices, including CI/CD pipelines
• Automated deployment tools (e.g. Terraform, Ansible, Jenkins)
• Excellent problem-solving skills and attention to detail
• Experience with Agile development methodologies such as SAFe, Scrum

About Rent the Runway 

Founded in 2009, Rent the Runway is disrupting the trillion-dollar fashion industry and changing the way women get dressed through the Closet in the Cloud, the world’s first and largest shared designer closet. RTR’s mission has remained the same since its founding: powering women to feel their best every day. Through RTR, customers can subscribe, rent items a-la-carte and shop resale from hundreds of designer brands. The Closet in the Cloud offers a wide assortment of millions of items for every occasion, from evening wear and accessories to ready-to-wear, workwear, denim, casual, maternity, outerwear, blouses, knitwear, loungewear, jewelry, handbags, activewear, ski wear, home goods and kidswear. RTR has built a two-sided discovery engine, which connects deeply engaged customers and differentiated brand partners on a powerful platform built around its brand, data, logistics and technology. Under CEO and Co-Founder Jennifer Hyman’s leadership, RTR has been named to CNBC’s “Disruptor 50” five times in ten years, and has been placed on Fast Company’s Most Innovative Companies list four times, while Hyman herself has been named to the “TIME 100: Most Influential People in the World" and as one of People Magazine’s “Women Changing the World.”

Galway Office 

Rent The Runway established its European Technology Hub in Galway in April 2019.  Based in the historic Claddagh area of the city, the growing team in Galway tackles core technology challenges and influences the next generation of services critical to Rent The Runway’s success and continued growth. 

The Galway office is Rent the Runway's first international office outside the US and enables the company to significantly expand its Software Engineering, Product Development, Machine Learning Engineering and Data Science footprint. Rent The Runway’s Galway-based employees have the opportunity to grow their careers across several roles and career paths in Technology.

About the Team: 

Our Platform Engineering team is smart, pragmatic, and entrepreneurial. We are reliability-focused and relentlessly passionate about making the closet-in-the-cloud a reality for our customers. We drive the operational capability of creating and advocating best practices to support largely distributed, fault-tolerant systems in the cloud that serve our customers every day.

We practice continuous improvement & process management techniques to put quality into everything we do. We cross-functionally service the Rent the Runway business and support multiple departments across IT, Engineering, Product, Security, Compliance and the Business. 

About the Job: 

As a Site Reliability Engineer (SRE) you will have the opportunity to contribute to technology initiatives in the realm of cloud infrastructure, software delivery and observability. You will be responsible for building and developing tooling, policies, and processes to advance Rent The Runway to higher levels of scale, and performance. You will have the opportunity to lead assigned projects, and be responsible for the overall delivery of these initiatives. You will be part of a high-impact engagement with the Platform Engineering team delivering operational excellence through system automation, self-service and developer tooling that empowers the entire organisation to deliver exceptional results for our customers.

What You’ll Do:

• Utilise technologies and languages like Terraform, Helm, Python, Go, Container Orchestration services including Docker and Kubernetes, and a variety of GCP and services to drive service reliability.
• Implement software development practices to build observability, alerting, tracing, automation, and self-healing capabilities to maintain the highest levels of platform availability.
• End-to-end coordination across platforms, while supporting, identifying, responding, and reporting of issues; then escalating to respective teams for remediation promptly.
• Develop maintenance and operations automation through CI/CD. 

About You:

• Passion for CI/CD: Demonstrated enthusiasm for developing and improving Continuous Integration/Continuous Deployment processes.
• Orchestration Technology: 2 years of hands-on experience with orchestration tools such as Kubernetes and/or Helm.
• Coding and Scripting: Proficiency in Terraform, Ansible, or Helm, with an understanding of CI/CD tools like GitHub, GitLab, and Artifactory.
• Monitoring Solutions Expertise: Practical experience with monitoring, alerting, and logging tools, including Splunk and GCP Monitoring.
• Production Environment Support: 2 years of experience in maintaining production environments across cloud platforms like GCP, AWS, or Azure.
• Software Development: Some experience in developing and delivering products using programming languages such as Bash, Python, Golang, or Java is desirable.
• System Optimisation: Track record of contributions to enhance existing systems, building robust infrastructure, and automating processes to reduce workload.
• Agile Methodology: Experience working within Agile teams, adhering to sprint cadences and delivery timelines.
• Problem-Solving Skills: Ability to effectively triage issues and conduct root-cause analyses when necessary.
• Team Collaboration: Strong team player with the ability to work collaboratively within diverse groups.
• On-Call Duties: Willingness to participate in an on-call rotation, troubleshoot production issues, perform Root Cause Analyses, and share insights with the Engineering and Operations teams.

Benefits:

At Rent the Runway, we’re committed to the happiness and wellbeing of our employees, and aim to create a workplace that fosters both personal and professional growth. Our inclusive benefits include, but are not limited to:

• Generous Paid Time Off including annual leave, paid bereavement, and family sick leave - every employee needs time to take care of themselves and their family.
• Universal Paid Parental Leave for both parents + flexible return to work program  - because we know your newest family member(s) deserve your undivided attention.
• Paid Sabbatical after 5 years of continuous service - unplug, recharge, and have some fun.
• Competitive Stakeholder Pension - taking care of your future. 
• Comprehensive health, dental care and dependents care from day 1 of employment - Your health comes first and we’ve got you covered. 
• Company wide events and outings - our team spirit is no joke - we know how to have fun!
• Hybrid Work - This is a hybrid role based in our Galway, Ireland, office 2-3 days per week. 

Rent the Runway is an equal opportunity employer. In accordance with applicable law, we prohibit discrimination against any applicant or employee on any legally-recognised basis, including, but not limited to: gender, marital status, family status, age disability, sexual orientation, race, religion, and membership of the Traveller community.
#LI-EM1

Location
Our Solutions Engineer, DoiT Cloud Intelligence, will be an integral part of our Solutions Engineering team in the UK, Ireland, Netherlands, Estonia and Sweden.

Who We Are
DoiT is a global technology company empowering cloud-driven organizations to achieve business growth and innovation through strategic cloud utilization. We blend data, technology, and human expertise to ensure our customers operate in a well-architected and scalable state, from initial planning to full-scale production.
With extensive experience across various cloud environments, we possess deep specializations in Cloud Data Platforms such as  Snowflake, Databricks, BigQuery, as well as FinOps experience. As a trusted and award-winning strategic partner of AWS, Google Cloud, and Microsoft Azure, we proudly support over 4,000 customers worldwide.
Our flagship offerings include DoiT Cloud Intelligence, which uniquely combines advanced technology with human insight, enabling us to solve complex multicloud challenges and drive significant efficiency for our clients.

The DoiT Cloud Intelligence platform offers:

• Provides deep visibility into cloud cost, usage, performance, and optimization opportunities across complex multi-cloud environments, enabling organizations to make data-driven infrastructure decisions.
• Combines automation, analytics, and expert guidance to identify savings opportunities, improve resource efficiency, and continuously optimize cloud investments at scale.
• Designed to power Managed Service Providers (MSPs), Systems Integrators (SIs), and Private Equity (PE) operating teams with portfolio-level insights, benchmarking, and operational tooling to manage multiple cloud environments effectively.
• Goes beyond reporting by delivering prescriptive recommendations and automated workflows that help engineering, finance, and platform teams turn cloud intelligence into measurable operational and financial outcomes.

The Opportunity
As a Solutions Engineer supporting DoiT Cloud Intelligence, you will partner with Account Executives to help enterprises, MSPs, Private Equity firms, and Systems Integrators unlock actionable insights across their cloud environments—driving cost efficiency, operational visibility, and smarter cloud decision-making through DoiT’s next-generation intelligence platform.

Responsibilities

• Technical Qualification & Discovery: Collaborating with the Account Executive to thoroughly understand the prospect’s cloud environment, FinOps maturity, cost management challenges, and operational goals through in-depth technical discovery sessions across engineering, finance, and platform teams.
• Technical Validation & POV Leadership: Owning and driving the technical validation and Proof of Values (POVs) specifically for DoiT Cloud Intelligence. This includes meticulous POV preparation, proactive management, and ensuring successful technical outcomes, demonstrating clear value and alignment with prospect requirements.
• Platform Demonstrations: Developing and delivering compelling and tailored demonstrations of DoiT Cloud Intelligence, showcasing capabilities such as cloud cost visibility, optimization insights, and operational intelligence across complex multi-cloud environments.
• Business Case & ROI Development: Leveraging your understanding of cloud economics and FinOps to develop compelling business cases and ROI analyses that clearly articulate the financial and operational impact of adopting DoiT Cloud Intelligence.
• Partner & Portfolio Motion Support (MSP, PE, SI): Supporting technical engagements with Managed Service Providers (MSPs), Private Equity (PE) firms, and Systems Integrators (SIs) by demonstrating how DoiT Cloud Intelligence enables portfolio-level visibility, operational insights across multiple cloud environments, and scalable optimization strategies.
• DoiT Cloud Intelligence Expertise: Becoming the go-to expert within the company for DoiT Cloud Intelligence, ensuring prospects and partners achieve optimal results and a seamless onboarding experience.
• Technical Win Ownership: Taking full ownership of the technical win for DoiT Cloud Intelligence engagements, guiding prospects through the evaluation process, addressing technical requirements, and building confidence in the platform’s ability to drive cloud efficiency and operational insights.
• Event & Conference Presentations: Representing DoiT Cloud Intelligence at company events, webinars, and industry conferences, delivering engaging presentations and demonstrations that highlight the platform’s cloud intelligence and FinOps capabilities.
• Product Feedback and Customer Advocacy: Translate customer pain points, partner requirements, and feature gaps into structured, technically credible input for product and engineering teams, helping shape the evolution of the Cloud Intelligence platform.
• Accurate, Timely Documentation: Ensure timely entry of data into internal business support systems. Contribute to systems and tools that provide key business information and metrics to highlight performance and effectiveness.

We are seeking an individual who is not only passionate about FinOps and  optimization but also thrives on engaging technically with customers, solving their most pressing challenges related to FinOps and cost management. This role offers the exciting opportunity to be at the forefront of innovation within the rapidly evolving FinOps ecosystem.

About you
You are an accomplished Solutions Engineer with experience in a B2B SaaS software environment.  You have an established track record of success and enjoy being the model for the ideal Solutions Engineer within a team.  You are excited about enabling companies to transform themselves using the public cloud and the service offerings in the cloud (AWS, GCP, Azure, etc.)  You hold yourself accountable for the success of any initiative you are involved in. You want to be a part of a high performance sales organization and love winning against the competition.  You are comfortable working in a fast paced, growing, collaborative, entrepreneurial environment.

Qualifications

• 7+ years experience at B2B SaaS software company in a pre-Solution Engineering role selling into both enterprise and mid-market accounts.
• An understanding of ITSM eco-systems and prominent solutions within them, such as: Cloud Management tools, DataDog, Chef, Ansible, Puppet, New Relic, ServiceNow, AlertLogic etc.
• Experience working with Amazon Web Services (AWS) or equivalent cloud, and Datacenter experience with knowledge of hypervisors like VMWare.
• Strong data analysis skills and the ability /navigate spreadsheets to identify trends, outliers, correlations and reconciliation needs across large data sets.
• Good practical understanding of cloud-centric architectures.
• Comfort level working in a metric-driven environment, including reporting on and improving business performance against a set of monthly KPIs and metrics.
• The ability to take complex pieces of technology and explain them in a simple and easy to understand way.
• Solid verbal, written, presentation and interpersonal communication skills.
• Intellectual curiosity, great problem solving skills and passion for continuous improvement.
• Previous experience working with/presenting to executive level prospects and customers.
• Experience with modern technical selling best practices and selling in a competitive environment, including implementing new or improved trial, demo, and RFP processes.
• Proven track record of success in a fast growing and scaling business. 

Are you a Do’er?
Be your truest self. Work on your terms. Make a difference.
We are home to a global team of incredible talent who work remotely and have the flexibility to have a schedule that balances your work and home life. We embrace and support leveling up your skills professionally and personally. 
What does being a Do’er mean? We’re all about being entrepreneurial, pursuing knowledge, and having fun! Click here to learn more about our core values. 

Sounds too good to be true? Check out our Glassdoor Page.
We thought so too, but we’re here and happy we hit that ‘apply’ button. 

• Unlimited Vacation
• Flexible Working Options
• Health Insurance
• Parental Leave
• Employee Stock Option Plan
• Home Office Allowance
• Professional Development Stipend 
• Peer Recognition Program

Many Do’ers, One Team
DoiT unites as Many Do’ers, One Team, where diversity is more than a goal—it's our strength. We actively cultivate an inclusive, equitable workplace, recognizing that each unique perspective enhances our innovation. By celebrating differences, we create an environment where every individual feels valued, contributing to our collective success.

#LI-Remote

What You’ll Do

We’re seeking a talented and experienced Senior Engineer for Network Observability to join our Network Observability team. In this role, you will be a key player in designing, developing, and maintaining the monitoring, telemetry, and observability systems that keep CoreWeave’s GPU cloud network operating reliably and at scale. You’ll focus on building solutions that provide real-time insights into network performance, ensuring that issues are detected proactively and resolved quickly.

Your mission? To empower CoreWeave’s network with advanced observability: robust metrics, powerful analytics, and automated alerting—so well-tuned that any anomalies become clear before they ever impact our customers.

• Develop, optimize, and maintain network observability platforms. Use your skills in Python and Golang to create and automate collectors, exporters, and dashboards that provide deep visibility into network health and performance.
• Collaborate with Network Engineering and Platform teams to ingest and unify logs, metrics, and events from a variety of platforms (Arista EOS, NVIDIA Cumulus Linux, Nokia SR OS, SR Linux, etc.) into a single observability pipeline.
• Design and implement scalable telemetry solutions using protocols like gNMI, SNMP, and streaming analytics. Ensure advanced alerting and anomaly detection with tools such as Prometheus, Grafana, and Alertmanager.
• Work closely with network developers, site reliability engineers, and security teams to integrate observability solutions across the broader infrastructure. Participate in design discussions, RFCs, and architectural decisions.
• Join a rotating on-call schedule to troubleshoot and resolve observability-related issues. Provide timely support to operations teams, quickly isolating and fixing problems when they arise.
• Guide junior team members, share best practices, and foster a culture of continuous learning and improvement within the observability domain.

Investing in our people is one of our top priorities, and we value candidates who can bring their diversified experiences to our teams. Here are some qualities we’ve found compatible with our team. We'd love to talk about whether this aligns with your experience and interests and what you’re excited to work on next.

Who You Are

Minimum Qualifications

• Deep familiarity with Prometheus, Grafana, Alertmanager, gNMI, and SNMP. Experience writing or extending custom metric collectors/exporters is a plus.
• Experience as a Network Engineer, SRE, Software Developer, or Systems Administrator in large-scale environments. A track record of building and operating robust telemetry and monitoring solutions is a plus.
• Passion for automating tasks and processes. You find satisfaction in creating workflows that handle repetitive tasks and reduce human error to near zero.
• Comfortable containerizing solutions in Kubernetes, designing, building, and deploying container-based workloads efficiently.
• Proficient with Python, Go, and Bash, plus familiarity with configuration management and templating tools (e.g., Ansible, Jinja2). .
• Strong knowledge of Linux systems and IP networking concepts, with hands-on experience in routing, switching, and network troubleshooting.
• Practical knowledge with a variety of platforms, including Arista EOS, NVIDIA Cumulus Linux, Nokia SR OS, and SR Linux.
• Collaborative, humble, and always ready to help others while staying open to learning from more senior colleagues.

Preferred Qualifications

• College Education: Bachelor’s degree in Computer Science or a related field.
• Machine Learning for Anomaly Detection: Hands-on experience applying ML techniques or tools (e.g., TensorFlow, scikit-learn) to proactively detect performance or security anomalies in network traffic.
• Network Certifications: Certifications like CCNA, CCNP, or similar.
• Advanced Metrics & Analytics: Hands-on experience with data pipelines, event correlation, or anomaly detection in large-scale environments.
• Distributed Tracing: Familiarity with OpenTelemetry, Jaeger, or Zipkin for end-to-end tracing across microservices and network components.

Why CoreWeave?

At CoreWeave, we work hard, have fun, and move fast!  We’re in an exciting stage of hyper-growth that you will not want to miss out on. We’re not afraid of a little chaos, and we’re constantly learning. Our team cares deeply about how we build our product and how we work together, which is represented through our core values: 

• Be Curious at Your Core
• Act Like an Owner
• Empower Employees
• Deliver Best-in-Class Client Experiences
• Achieve More Together

We support and encourage an entrepreneurial outlook and independent thinking. We foster an environment that encourages collaboration and provides the opportunity to develop innovative solutions to complex problems. As we get set for take off, the growth opportunities within the organization are constantly expanding. You will be surrounded by some of the best talent in the industry, who will want to learn from you, too. Come join us!  

To fulfil our obligation to protect client data, successful applicants offered employment with CoreWeave will be required to complete a basic criminal record check, conducted in compliance with GDPR. Employment offers are conditional upon receiving satisfactory check results

What You’ll Do

We’re seeking a talented and experienced Senior Engineer for Network Observability to join our Network Observability team. In this role, you will be a key player in designing, developing, and maintaining the monitoring, telemetry, and observability systems that keep CoreWeave’s GPU cloud network operating reliably and at scale. You’ll focus on building solutions that provide real-time insights into network performance, ensuring that issues are detected proactively and resolved quickly.

Your mission? To empower CoreWeave’s network with advanced observability: robust metrics, powerful analytics, and automated alerting—so well-tuned that any anomalies become clear before they ever impact our customers.

• Develop, optimize, and maintain network observability platforms. Use your skills in Python and Golang to create and automate collectors, exporters, and dashboards that provide deep visibility into network health and performance.
• Collaborate with Network Engineering and Platform teams to ingest and unify logs, metrics, and events from a variety of platforms (Arista EOS, NVIDIA Cumulus Linux, Nokia SR OS, SR Linux, etc.) into a single observability pipeline.
• Design and implement scalable telemetry solutions using protocols like gNMI, SNMP, and streaming analytics. Ensure advanced alerting and anomaly detection with tools such as Prometheus, Grafana, and Alertmanager.
• Work closely with network developers, site reliability engineers, and security teams to integrate observability solutions across the broader infrastructure. Participate in design discussions, RFCs, and architectural decisions.
• Join a rotating on-call schedule to troubleshoot and resolve observability-related issues. Provide timely support to operations teams, quickly isolating and fixing problems when they arise.
• Guide junior team members, share best practices, and foster a culture of continuous learning and improvement within the observability domain.

Investing in our people is one of our top priorities, and we value candidates who can bring their diversified experiences to our teams. Here are some qualities we’ve found compatible with our team. We'd love to talk about whether this aligns with your experience and interests and what you’re excited to work on next.

Who You Are

Minimum Qualifications

• Deep familiarity with Prometheus, Grafana, Alertmanager, gNMI, and SNMP. Experience writing or extending custom metric collectors/exporters is a plus.
• Experience as a Network Engineer, SRE, Software Developer, or Systems Administrator in large-scale environments. A track record of building and operating robust telemetry and monitoring solutions is a plus.
• Passion for automating tasks and processes. You find satisfaction in creating workflows that handle repetitive tasks and reduce human error to near zero.
• Comfortable containerizing solutions in Kubernetes, designing, building, and deploying container-based workloads efficiently.
• Proficient with Python, Go, and Bash, plus familiarity with configuration management and templating tools (e.g., Ansible, Jinja2). .
• Strong knowledge of Linux systems and IP networking concepts, with hands-on experience in routing, switching, and network troubleshooting.
• Practical knowledge with a variety of platforms, including Arista EOS, NVIDIA Cumulus Linux, Nokia SR OS, and SR Linux.
• Collaborative, humble, and always ready to help others while staying open to learning from more senior colleagues.

Preferred Qualifications

• College Education: Bachelor’s degree in Computer Science or a related field.
• Machine Learning for Anomaly Detection: Hands-on experience applying ML techniques or tools (e.g., TensorFlow, scikit-learn) to proactively detect performance or security anomalies in network traffic.
• Network Certifications: Certifications like CCNA, CCNP, or similar.
• Advanced Metrics & Analytics: Hands-on experience with data pipelines, event correlation, or anomaly detection in large-scale environments.
• Distributed Tracing: Familiarity with OpenTelemetry, Jaeger, or Zipkin for end-to-end tracing across microservices and network components.

Why CoreWeave?

At CoreWeave, we work hard, have fun, and move fast!  We’re in an exciting stage of hyper-growth that you will not want to miss out on. We’re not afraid of a little chaos, and we’re constantly learning. Our team cares deeply about how we build our product and how we work together, which is represented through our core values: 

• Be Curious at Your Core
• Act Like an Owner
• Empower Employees
• Deliver Best-in-Class Client Experiences
• Achieve More Together

We support and encourage an entrepreneurial outlook and independent thinking. We foster an environment that encourages collaboration and provides the opportunity to develop innovative solutions to complex problems. As we get set for take off, the growth opportunities within the organization are constantly expanding. You will be surrounded by some of the best talent in the industry, who will want to learn from you, too. Come join us!  

The base salary range for this role is $139,000 to $204,000. The starting salary will be determined based on job-related knowledge, skills, experience, and market location. We strive for both market alignment and internal equity when determining compensation. In addition to base salary, our total rewards package includes a discretionary bonus, equity awards, and a comprehensive benefits program (all based on eligibility). 

Toast creates technology to help restaurants and local businesses succeed in a digital world, helping business owners operate, increase sales, engage customers, and keep employees happy.

The Infrastructure Engineering team’s mission is to provide cloud native infrastructure, automation and tools that enable teams across Toast to deliver products in a safe, secure and agile manner, with minimal operational dependencies.

As a Senior Infrastructure Engineer, you will be responsible for platform architecture and providing the automation and implementation for landing zones as well as network and security infrastructure for new AWS regions. 

A day in the life (Responsibilities) 

• Work within a Scrum team to create, document and support various infrastructure as code modules.
• Create, document and support various tools and services used in order to support continuous integration, continuous delivery and continuous deployment of highly available infrastructure in various environments.
• Use your familiarity with DevOps methodologies and practices to foster a culture of quality while facilitating developer velocity.
• Create tools to help our developers move their infrastructure from a monolithic repo to individual service repos for use with our IDP.
• You believe internal tools deserve unit tests.
• Lead by example with code standards and design; help implement these across the scrum team’s products.
• Mentor and support developers within the organisation on using and extending of IaC tooling and support systems using DevOps methodologies.

What you'll need to thrive (Requirements)

• Minimum 6+ years of experience in a DevOps/Infra engineering role
• Expertise with at least one public cloud computing offering such as AWS, GCP or Azure infrastructure SDKs
• Solid experience with writing Terraform Providers
• Expertise with Infrastructure-as-Code framework internals & SDKs (Terraform providers, Ansible modules & plugins, etc)
• Solid experience in Go, Python, Java or Kotlin with a strong understanding of testing, quality and best practices.
• Experience maintaining large-scale infrastructure, including both production and nonproduction workloads.
• Experience with the continuous integration, deployment, and delivery of Cloud Infrastructure at scale for technology teams of hundreds of developers.
• A desire to build a diverse team that wins together and prioritises customer success.
• Experience leading the build and scale of critical platform features.

What will help you stand out (Nonessential Skills/Nice to Haves)

• Exposure/experience using AI tools such as Claude

AI at Toast

At Toast, one of our company values is that we're hungry to build and learn. We believe learning new AI tools empowers us to build for our customers faster, more independently, and with higher quality. We provide these tools across all disciplines, from Engineering and Product to Sales and Support, and are inspired by how our Toasters are already driving real value with them. The people who thrive here are those who embrace changes that let us build more for our customers; it’s a core part of our culture.

Our Total Rewards Philosophy 
We strive to provide competitive compensation and benefits programs that help to attract, retain, and motivate the best and brightest people in our industry. Our total rewards package goes beyond great earnings potential and provides the means to a healthy lifestyle with the flexibility to meet Toasters’ changing needs. Learn more about our benefits at https://careers.toasttab.com/toast-benefits.

#LI-HYBRID #BI-Hybrid

The Role

We’re looking for a Mobile Core Network Engineer to join the team responsible for Telnyx’s global mobile core network. You’ll own the infrastructure that powers our wireless platform — keeping it reliable, scalable, and ready for what comes next. This is a hands-on role spanning network operations, deployment automation, and incident response.

What You’ll Do

Network Operations & Infrastructure

• Deliver and maintain core network services across global datacenters — ensuring high availability of PGWs, DRAs, GTP proxies, HSS, and STPs

• Design redundancy patterns (failover, active-active, disaster recovery) and drive service localisation in new regions

• Manage the GTP proxy fleet and DRA infrastructure: routing rules, IMSI translation, realm routing, and peer management

• Monitor traffic growth, forecast demand, and scale infrastructure ahead of need

Automation & Deployment

• Build and maintain Ansible playbooks and CI/CD pipelines for consistent, repeatable infrastructure changes

• Operate and evolve the signalling plane — Diameter, GTP-C/U, SS7 MAP — across roaming partner interconnects

• Design and maintain network connectivity: GRX/IPX peering, inter-datacenter tunnels, SCTP multihoming, and firewall rules

Observability & On-Call

• Build dashboards and alerting to catch issues before they become incidents

• Participate in on-call rotation for wireless infrastructure incidents

What We’re Looking For

• Solid understanding of 3GPP EPC architecture: PGW, SGW, HSS, DRA, PCRF, STP, and their interfaces (S6a, S8, S5, Gx, S1-MME)

• Experience operating and troubleshooting mobile core network elements in production

• Strong networking fundamentals: IP routing, BGP/OSPF, VLANs, GRE/IPsec, SCTP, and packet-level troubleshooting (tcpdump/tshark)

• Strong Linux skills: systemd, network configuration, performance tuning, and scripting

• Hands-on experience with infrastructure automation — Ansible, Terraform, or equivalent

• Familiarity with containerised environments (Docker, Kubernetes) and CI/CD pipelines

• Experience with monitoring stacks: Prometheus, Grafana, Alertmanager

• Experience with AWS or similar cloud infrastructure

Nice to Have

• Experience with Diameter Routing Agents (freeDiameter or commercial DRAs) or GTP proxy platforms

• Knowledge of multi-IMSI SIM architectures, VoLTE/IMS, or roaming models (S8HR, LBO)

• Familiarity with IPX/GRX peering, GSMA roaming standards (IR.34), or network automation tooling (Netbox, NAPALM)

• Experience with Elixir, Go, or Python in a network infrastructure context

#LI-KG1
#LI-DUBLIN

Position Title: Security Operations Engineer (Dublin)

Entity: Kroll Bond Rating Agency Europe Limited

Employment Type: Full-time

Location: Dublin, Ireland 

Summary/Overview:

KBRA is seeking a Security Operations Engineer to join our growing Information Security team. This role will be based in our Dublin office and will work closely with global security team members across the United States and Europe to monitor security events, investigate threats, and strengthen the organization’s overall security posture.

This is a hands-on operational security role focused on security monitoring, incident response, vulnerability management, and security tooling across KBRA’s cloud and enterprise environments.

About the Team:

KBRA integrates security into all areas of the business and technology which has created a strong security culture. The Security Operations team works closely with engineering, infrastructure, and business teams to identify and respond to security threats while continuously improving the organization’s security posture.

This role will collaborate with security team members across multiple regions and contribute to maintaining monitoring coverage and incident response capability across KBRA’s global environment.

About the Role:

As a Security Operations Engineer, you will play a key role in building and improving KBRA’s security detection and response capabilities across cloud and enterprise environments. This role focuses on engineering effective monitoring, developing detection logic, and streamlining investigation workflows to improve security visibility, reduce operational noise and support business operations.

You will design and enhance security monitoring across systems, applications, and cloud platforms, ensuring meaningful alerts are generated and security risks are quickly identified and addressed. Working closely with infrastructure and engineering teams, you will help strengthen KBRA’s security posture by improving controls, automating operational processes, and supporting incident response activities when security events occur. You will also partner with internal teams to resolve the impact of security controls (e.g., blocked access, email, or endpoint restrictions), ensuring security measures support, rather than disrupt, business operations.

About the Job:

• Design, implement, and improve security monitoring and detection capabilities across KBRA’s cloud and enterprise environments, with a focus on AWS and Azure control-plane activity and identity-based threats.
• Engineer automation and scripting solutions to streamline investigations, alert enrichment, and operational workflows within the security operations environment.
• Leverage automation and AI-assisted tools to improve research, threat analysis, and operational efficiency within the security program.
• Support internal users by resolving security control impacts, including investigating and remediating blocked activity (e.g., web proxy, email, endpoint controls) to restore business operations.
• Investigate security incidents and suspicious activity across cloud, endpoint, and network environments, partnering with infrastructure and engineering teams to determine root cause and implement durable fixes.
• Collaborate with infrastructure and cloud engineering teams to identify and remediate vulnerabilities, security misconfigurations, and architectural weaknesses.
• Enhance visibility across AWS and Azure environments, including monitoring identity activity, API usage, and cloud security posture signals.
• Support and improve vulnerability management processes, helping prioritize risk, validate exposures, and coordinate remediation with system owners.
• Integrate and optimize security technologies including SIEM, EDR, proxy, DLP, vulnerability management, and cloud-native monitoring platforms.
• Participate in incident response activities, helping coordinate investigations and response efforts across infrastructure, engineering, and security teams.
• Develop operational playbooks, detection documentation, and investigation procedures to improve repeatability and response speed.
• Contribute to security awareness initiatives, including phishing simulations and internal security education.
• Assist in developing and maintaining security standards, policies, and operational procedures.
• Participate in a shared on-call rotation supporting security monitoring and incident response.

You will be successful in this role if you have:

• Bachelor’s degree in a related field or equivalent practical experience
• 3+ years of experience in systems administration, network administration, security engineering, or security operations
• Hands-on experience with security technologies such as vulnerability management platforms, endpoint detection and response (EDR), SIEM platforms, or intrusion detection systems
• Understanding of system, network, and cloud security principles
• Familiarity with security frameworks such as MITRE ATT&CK, CIS Critical Security Controls, and the NIST Cybersecurity Framework
• Experience investigating and responding to security alerts and incidents in enterprise or cloud environments
• Strong communication and collaboration skills with the ability to work effectively with infrastructure and engineering teamsOur Tech Stack
• Familiarity with Generative AI tools such as ChatGPT for research, data insights, and general productivity is a plus

Our Tech Stack:

Our team works with many different technologies, and we understand that no one will have experience with all of them. Here is an incomplete list:

• Cloud Platforms: AWS, Azure
• Operating Systems: Windows, Linux, macOS
• Microsoft: Office 365, Active Directory
• Network Security: Intrusion Detection Systems, firewalls, proxies
• Endpoint Security: Antivirus, EDR, Data Loss Prevention
• Vulnerability Management: Tenable, Rapid7, Qualys
• SIEM Technologies: Azure Sentinel, Splunk, Elastic
• Security Operations: threat hunting, log analysis, detection engineering
• Infrastructure/Configuration as Code: Terraform, Ansible
• Programming languages: .Net, NodeJS, PHP, Python
• AI & Developer Productivity Tools: ChatGPT, GitHub Copilot, and AI-assisted tooling

Benefits

• Flexible hybrid work schedule – Tuesdays, Wednesdays, Thursdays in the office
• Competitive benefits and paid time off
• Pension plan
• Educational and professional development financial assistance
• Employee referral bonus program

About Us

KBRA (Kroll Bond Rating Agency, LLC) is a full-service credit rating agency registered with the U.S. Securities and Exchange Commission as an NRSRO. Kroll Bond Rating Agency Europe Limited is registered as a CRA with the European Securities and Markets Authority. Kroll Bond Rating Agency UK Limited is registered as a CRA with the UK Financial Conduct Authority pursuant to the Temporary Registration Regime. In addition, KBRA is designated as a designated rating organization by the Ontario Securities Commission for issuers of asset-backed securities to file a short form prospectus or shelf prospectus. KBRA is also recognized by the National Association of Insurance Commissioners as a Credit Rating Provider. Kroll Bond Rating Agency Europe is located at 2nd Floor, One George's Quay Plaza, George's Quay, Dublin 2 D02 E440.

#LI-KS1

#HYBRID

Virtu is a leading financial firm that leverages cutting edge technology to deliver liquidity to the global markets and innovative, transparent trading solutions to our clients. As a market maker, Virtu provides deep liquidity that helps to create more efficient markets around the world. Our market structure expertise, broad diversification, and execution technology enables us to provide competitive bids and offers in over 19,000 securities, at over 235 venues, in 36 countries worldwide.​

THE ROLE

Our trading platform runs on high performance servers distributed across data-centres and offices throughout the world. These servers are highly automated and finely tuned to meet the growing demands of our business. Our Systems Engineers are responsible for designing, building and supporting these servers, working with engineers across our global groups to ensure that our trading platform remains the best in the business.

We are looking to fill this role in our Dublin or London branch.

RESPONSIBILITIES

• Analise, diagnose, and resolve of Linux based server issues.
• Create, test, deploy, and maintain packages, batch files, and scripts for the OS environment.
• Identify opportunities for optimisation in order to reduce latency and increase efficiency.
• Manage move, add, and change requests and configuration as needed.
• Liaise with internal technology groups and vendors as necessary to deliver optimum solutions.
• Assist in developing long-term infrastructure strategies and capacity planning to meet future platform infrastructure needs.

THE CANDIDATE

• 5+ years background in Linux/Unix administration.
• Kernel tuning experience.
• Strong understanding of networking and network topology.
• Knowledge of Kickstart, Ansible, Yum, Git, SVN.
• Understanding of NAS environments.
• Strong understanding of various protocols and services including NFS, DHCP, IP, TCP, UDP, TFTP and NTP.
• Strong scripting ability (Bash, Python etc).
• Experience with BIOS configuration.
• Analytical, innovative, problem solving and strategic thinker.
• Self-motivated and proactive; strong organisational and time management skills.
• Able to manage multiple streams of communication (i.e. email, chat room, and in person).
• Must have high tolerance for continually shifting priorities.
• Ability to manage multiple projects and coordinate work with various teams and vendors in addition to daily production support activities.
• Understanding of what milli-, nano-, and micro-seconds are and why they're important.

WHY VIRTU

• The opportunity to make an impact in a highly visible role within the firm
• A great place for upward and geographic mobility
• Direct exposure to the decision makers and senior leaders on the business side
• A company that’s investing a sizable amount in its technology department
• Teams that are passionate about continually learning, improving and raising the bar
• A community that values hard work as well as work-life balance

After passing an initial resume screening, candidates will be sent an online system administration test. We look forward to meeting you.

Virtu Financial is an equal opportunity employer, committed to a diverse and inclusive workplace, welcoming you for who you are and does not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status.