All active Ansible roles based in Dublin.
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Why Sony Interactive Entertainment?
Sony Interactive Entertainment isn’t just the Best Place to Play — it’s also the Best Place to Work. Sony Interactive Entertainment (SIE) is the company behind the PlayStation brand. As a subsidiary of Sony Group Corporation, we’re part of a proud legacy of innovation and excellence. SIE is a dynamic technology company, delivering cutting-edge hardware and network services to more than 100 million people and an entertainment leader, home to some of the most beloved and recognizable intellectual properties (IP) in the world. Our role at SIE is to create and nurture the experiences under the PlayStation brand, a name synonymous with entertainment excellence and creativity.
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:
What we're looking for:
Preferred Qualifications:
Please note, Sony Interactive Entertainment conducts background checks at the offer stage for all new employees (which may include criminal background checks for some roles) and will need to process personal information to support these checks.
Please refer to our Candidate Privacy Notice for more information about what personal information we collect, how we use it, who we share it with, and your data protection rights.
Equal Opportunity Statement:
Sony is an Equal Opportunity Employer. All persons will receive consideration for employment without regard to gender (including gender identity, gender expression and gender reassignment), race (including colour, nationality, ethnic or national origin), religion or belief, marital or civil partnership status, disability, age, sexual orientation, pregnancy, maternity or parental status, trade union membership or membership in any other legally protected category.
We strive to create an inclusive environment, empower employees and embrace diversity. We encourage everyone to respond.
Sony Interactive Entertainment is a Fair Chance employer and qualified applicants with arrest and conviction records will be considered for employment.
Ready to apply?
Apply to PlayStation Global
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We are seeking an experienced and strategic Principal Security Architect to lead the design, implementation, and oversight of enterprise-class network and cloud security across our global infrastructure. This role blends deep technical expertise with strategic leadership and focuses on securing our on-premises data centers, public cloud platforms, and enterprise network edge using best-in-class tools like Palo Alto and Cisco.
This is a hands-on leadership role that influences global security architecture, mentors’ engineers, and collaborates with cross-functional teams to protect our digital assets at scale.
Key Responsibilities
Security Architecture & Engineering
Technology Ownership
Operations & Response
Security Automation & Tooling
Governance, Risk & Compliance
Required Qualifications
Preferred Qualifications
We are an equal-opportunity employer and do not discriminate because of race, color, religion, sex, national origin, ancestry, marital status, veteran status, age, disability, sexual orientation or gender identity or expression or any other legally protected category. InterSystems is an E-Verify Employer in the United States.
InterSystems is providing a current good faith estimate of the anticipated base salary range for this position depending on a variety of factors including experience, education, skills, and performance.
Other compensation may include a discretionary annual variable target incentive.
The company also provides generous employee benefits including:
About InterSystems
InterSystems, a creative data technology provider, delivers a unified foundation for next-generation applications for healthcare, finance, manufacturing, and supply chain customers in more than 80 countries. Our data platforms solve interoperability, speed, and scalability problems for large organizations around the globe to unlock the power of data and allow people to perceive data in imaginative ways. Established in 1978, InterSystems is committed to excellence through its 24×7 support for customers and partners around the world. Privately held and headquartered in Boston, Massachusetts, InterSystems has 38 offices in 28 countries worldwide. For more information, please visit InterSystems.com.
Ready to apply?
Apply to InterSystems
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)
What you'll need to thrive (Requirements)
What will help you stand out (Nonessential Skills/Nice to Haves)
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
How Toast Uses AI in its Hiring Process
Throughout the hiring process, our goal is to get to know you. We use AI tools to support our recruiters and interviewers with tasks like note-taking, summarization, and documentation of interviews to ensure they can be fully focused on your conversation. All hiring decisions are made by people. To learn more: https://careers.toasttab.com/ai-in-hiring
Diversity, Equity, and Inclusion is Baked into our Recipe for Success
At Toast, our employees are our secret ingredient—when they thrive, we thrive. The restaurant industry is one of the most diverse, and we embrace that diversity with authenticity, inclusivity, respect, and humility. By embedding these principles into our culture and design, we create equitable opportunities for all and raise the bar in delivering exceptional experiences.
We Thrive Together
We embrace a hybrid work model that fosters in-person collaboration while valuing individual needs. Our goal is to build a strong culture of connection as we work together to empower the restaurant community. To learn more about how we work globally and regionally, check out: https://careers.toasttab.com/locations-toast.
Apply today!
Toast is committed to creating an accessible and inclusive hiring process. As part of this commitment, we strive to provide reasonable accommodations for persons with disabilities to enable them to access the hiring process. If you need an accommodation to access the job application or interview process, please contact candidateaccommodations@toasttab.com.
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For roles in the United States, it is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
Ready to apply?
Apply to Toast
LearnUpon is seeking an exceptional Staff Engineer, DevOps to join our Engineering team in Dublin. This is a flex role, working 1 day per week from LearnUpon's Dublin office.
LearnUpon LMS helps organizations train their employees, customers, and members. Businesses can manage, track, and achieve their unique learning goals — all through a single, powerful solution.
With offices in Dublin (our HQ), Belgrade, Philadelphia, Salt Lake City and Sydney, we are a global team with lots of diverse cultures, backgrounds, and experiences that puts our customers' experience at the heart of everything we do. Our culture fosters an open, collaborative and supportive environment where our accomplishments are celebrated and encouraged. We're always striving for the best solution (not the easy one). We’re proud of our success and we’re humble and hungry to achieve more.
As a Staff Engineer, DevOps, you'll be a key technical leader and role model within LearnUpon. You'll shape the DevOps architecture of our best-in-class LMS, influence our technical strategy, and elevate the skills of our entire engineering organization. Your impact will extend beyond our product, contributing to our mission of building robust, lovable learning products that help customers achieve results.
What will I be doing?
What skills do I need?
Don’t worry if you don’t tick every box in order to apply, we’re always happy to review applications and take all experience into consideration. We do our best to provide feedback where we can!
Not required but considered a big plus
Why work with us?
What is the Hiring Process?
Our typical process generally works as follows:
LearnUpon is an Equal Opportunities Employer.
We do not discriminate on the basis of gender, marital status, family status, age disability, sexual orientation, race, religion, membership of the Traveller community, or any other legally protected status.
Visit our Careers site to find out more about working for LearnUpon, and check us out on Instagram.
Ready to apply?
Apply to LearnUponLearnUpon is looking for a Staff Site Reliability Engineer to join our team in Ireland. This is a flex role, working 1 day per week from LearnUpon's Dublin office.
LearnUpon LMS helps organizations train their employees, customers, and members. Businesses can manage, track, and achieve their unique learning goals — all through a single, powerful solution.
With offices in Dublin (our HQ), Philadelphia, Belgrade, and Sydney, we are a team that puts our customers' experience at the heart of everything we do. We're always striving for the best solution (not the easy one), and we go the extra mile to deliver work we're proud of.
Our offices are open, collaborative environments where our team and individual accomplishments are celebrated and encouraged. Join LearnUpon, where we work together as a friendly, supportive team who, most importantly, like to have fun.
As a Staff Engineer in Site Reliability Engineering you will be part of the team responsible for the scale-out of the LearnUpon infrastructure.
What will I be doing?
What skills do I need?
Don’t worry if you don’t tick every box in order to apply, we’re always happy to review applications and take all experience into consideration. We do our best to provide feedback where we can!
Not required but considered a big plus
Why work with us?
What is the Hiring Process?
Applicants for the position can expect the following hiring process:
LearnUpon is an Equal Opportunities Employer.
We do not discriminate on the basis of gender, marital status, family status, age disability, sexual orientation, race, religion, membership of the Traveller community, or any other legally protected status.
By applying for this job, you agree to LearnUpon's Privacy Policy. Find out more about our privacy policy here
Visit our Careers site to find out more about working for LearnUpon, and check us out on Instagram.
Ready to apply?
Apply to LearnUponAbout Telnyx
Telnyx is an industry leader that's not just imagining the future of global connectivity—we're building it. From architecting and amplifying the reach of a private, global, multi-cloud IP network, to bringing hyperlocal edge technology right to your fingertips through intuitive APIs, we're shaping a new era of seamless interconnection between people, devices, and applications.
We're driven by a desire to transform and modernize what's antiquated, automate the manual, and solve real-world problems through innovative connectivity solutions. As a testament to our success, we're proud to stand as a financially stable and profitable company. Our robust profitability allows us not only to invest in pioneering technologies but also to foster an environment of continuous learning and growth for our team.
Our collective vision is a world where borderless connectivity fuels limitless innovation. By joining us, you can be part of laying the foundations for this interconnected future. We're currently seeking passionate individuals who are excited about the opportunity to contribute to an industry-shaping company while growing their own skills and careers.
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.
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
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
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
Ready to apply?
Apply to Telnyx
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:
You will be successful in this role if you have:
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:
Benefits
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
Ready to apply?
Apply to KBRA
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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
THE CANDIDATE
WHY VIRTU
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.
Ready to apply?
Apply to Virtu Financial
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