Our Voice division is seeking a Senior DevOps Engineer to lead the automation of voice technology deployments across both on-premise data centers and public cloud environments. This is a high-impact role where you'll help shape the infrastructure that powers critical voice services, supporting both scalability and operational excellence.

Key Responsibilities

• Design, develop, and maintain Infrastructure as Code (IaC) frameworks to automate deployment of voice technologies.
• Own and operate automation pipelines and infrastructure in a distributed, production-grade environment.
• Lead IaC and DevOps best practices, ensuring systems are reliable, scalable, and secure.
• Drive initiatives to modernize and optimize voice platform automation.
• Analyse recurring network or platform incidents and introduce automation to reduce operational risk.
• Deliver clear documentation and handoffs to operational teams to ensure seamless support and transition.
• Provide technical guidance and support to operations and engineering teams when needed.
• Promote a collaborative, agile work culture aligned with continuous delivery and DevOps principles.
• Champion the customer experience by building reliable systems that support Five9's voice infrastructure.

Required Qualifications 

• 5+ years of experience in engineering roles focused on DevOps, operations, or infrastructure preferably within telecom or service provider environments. 
• Proven hands-on experience with automation frameworks such as Ansible and Terraform, including writing and maintaining reusable modules.
• Solid knowledge of AWS and GCP services with experience developing and deploying cloud-native infrastructure components.
• Proficiency in Unix/Linux systems, emphasizing CLI-based administration and shell scripting.
• Experience designing and integrating RESTful APIs and web service workflows.
• Strong background in CI/CD pipelines using GitLab, GitHub Actions, or similar platforms.
• Excellent written and verbal communication skills in English; able to work effectively in distributed, cross-functional teams.

Benefits:

• Five9 Shares
• Bonus Scheme
• 10% Flex Benefit
• Meal Allowance
• Medical Insurance
• Life Insurance 
• 25 day Annual Leave + Public Holidays

Responsibilities

We're looking for a hands-on Platform/Observability Engineer to join our infrastructure team. You'll own and evolve our observability stack - from logging pipelines and tracing to metrics and alerting - across a multi-datacenter, Kubernetes-based environment. This is a production-first role: you'll be expected to ship, iterate, and improve systems under real delivery pressure, not just design them on paper.
You'll work closely with other infra and product engineering teams to improve observability coverage, reduce operational toil, and help the broader organization adopt better practices.
Tech Stack Highlights: OpenTelemetry · Kafka · Vector · VictoriaMetrics · EKS · Kubernetes · Logging pipelines · Distributed tracing · SPM· AWS

• Designing, deploying, and maintaining production observability stacks (logs, metrics, traces)

• Scaling observability infrastructure across multiple data centers and Kubernetes clusters

• Owning logging pipeline architecture and refactoring efforts

• Improving distributed tracing coverage and driving adoption across engineering teams

• Managing EKS upgrades, node exporters, agents, and collectors

• Automating operational tasks to reduce toil and improve system stability

• Contributing to compliance and audit readiness (access controls, data handling, pipeline integrity)

• Evaluating and adopting new observability tooling - knowing what's worth pursuing and what isn't

Requirements

Core technical experience:

• 8+ years of industry experience

• Solid hands-on production experience with observability systems

• Strong plus - familiarity with OpenTelemetry, Kafka, Vector, and VictoriaMetrics (vmagent, alerting rules)

• Experience with logging pipelines: design, deployment, and refactoring

• Understanding of distributed tracing and SPM (Service Performance Monitoring) built on top of tracing

• Experience with Kubernetes cluster lifecycle management (EKS preferred)

• Practical knowledge of storage trade-offs for observability data at scale

Nice to have  

• Experience using AI to automate infrastructure or observability tasks (e.g., automated RCA, PR generation, deployment workflows)

• Familiarity with AI-assisted tooling selection and workflow integration

• Experience with MCP (custom or open-source implementations)

• Background in cloud account or environment migrations

• Experience preparing infrastructure for compliance/audit processes

• Understanding network architecture, troubleshooting and incident resolution skills in Production environment, writing Post-mortems.

• Experience with containers and Kubernetes (installation and configuration of operators). 

• Basic knowledge of one or more high-level programming languages, such as Python, Golang, Java

Soft Skills / Personal Characteristics

• Good communication and collaboration skills in international technological companies.

• Interest in modern big distributed storage technologies, architectures.

• Good Spoken English to participate in product-related, architectural and technical discussions.

• Proper balance between being hands-on and deeper analytical approaches

(REQ ID: 2640)

We are looking for a Distributed Systems Engineer with experience in building high-performing, scalable, enterprise-grade applications. You will be responsible for building API interfaces (for customers, UI team etc). You will be responsible for building a high performance queuing/storage engine. You will collaborate with UI, connectivity and DevOps teams to come up with elegant solutions to complex problems. You will work in a polyglot environment where you can learn new languages and technologies whilst working with an enthusiastic team.

Responsibilities

• Responsibilities include designing and developing high-volume, low-latency applications for mission-critical systems and delivering high-availability and performance

• Contribute in all phases of the development lifecycle

• Write well designed, testable, efficient code

• Evaluate and propose improvements to existing system

Requirements

• 5+ years of industry experience

• Experience building and shipping large-scale, reliable, highly distributed systems

• Systems-level programming experience, especially in C, Go, Rust

• Expertise in L2, L3, and/or L4 networking protocols

• Good understanding of Linux networking and security

• Experience building on top of Linux kernel networking primitives – netfilter, nftables, eBPF, tc, network namespaces, etc

• Experience with large-scale distributed data pipelines, from data structuring to efficient querying to data analysis

• Experience of working with public cloud infrastructure providers (AWS/Azure/Google Cloud)

• Understanding of Kubernetes concepts

• Excellent debugging and optimization skills

• Understanding at the protocol level, including the differences between what the specs say, and what actually happens on the Internet

• Contributions to open source projects is a plus

• Excited by the idea of optimizing complex solutions to general problems

• Attention to detail and ability to solve complex customer problems

• Own solutions end-to-end and driving the design, development, and deployment process

• Able to work across teams and level common, sustainable solutions

In this pivotal role as a Senior Network Engineer, you will join a team of experienced network engineers at the forefront of shaping and expanding the worldwide infrastructure of a dynamic and growing company. Your core mandate will involve implementing and operating cutting-edge enterprise network solutions. Guided by our strategic vision, you will assist in deploying key initiatives in Europe and in other parts of the globe.

Main duties and responsibilities

• Planning, documenting, and performing network changes/extensions.
• Orchestration of firewall rules and underlying network settings.
• Designing and documenting the corporate network architecture (LAN/WAN/WLAN/SECURITY).
• Network security experience and awareness.
• Operating and monitoring of the corporate network infrastructure.
• Providing next level network infrastructure related support.
• Designing network aspects of disaster recovery and operational security.
• Maintaining, auditing, and improving corporate network & security standards.
• Performing network related root cause analysis (RCA) and problem resolution.
• Defining, monitoring, and reporting KPIs for network services/devices.
• Managing proof of concepts, feasibility studies and other corporate initiatives.
• Hands-on experience in SDWAN technology, network design, and implementation preferred.
• Acting as project leader for network related activities/projects.

Reporting and collaboration

• The holder of the position reports directly to Senior Networking management.
• The position requires excellent communications skills along inter-department collaboration.

Profile and education

• Relevant network/IT related education (academic degree preferred).
• Must have or be actively working towards certifications such as CCNP, PCNSA, or PCNSE.
• Excellent understanding of corporate network & data center application architecture concepts.
• Excellent analytic skills.
• Excellent understanding of these technical areas below:
• Security & firewall infrastructure (Palo Alto, Multivendor) - mandatory
• Network infrastructure (Cisco, Arista) - mandatory
• Cloud platforms (AWS, Azure, Google Cloud)
• Wireless network infrastructure (Aruba HPE wireless cloud central)
• VPN technologies/infrastructure
• Network design/management
• Network automation
• Network technologies (Layer1-Layer4)
• Good communication & technical writing skills.
• Good team player.
• Independent, goal-oriented, and self-motivating personality.
• Passion to deliver high quality standard levels.
• Accuracy and high-risk awareness.
• Excellent English language skills (oral & written).
• Willingness to travel and to perform standby on-calls.

Specific skills and knowledge

• Min 5 years of professional experience in senior network engineering roles.
• SolarWinds configuration and management.
• Practical experience in enterprise network & security Plan/Build/Run setup.
• Hands-on experience with Palo Alto firewalls, Arista switches, and Aruba wireless solutions.
• Work experience within an international/multicultural environment preferred.
• Ability to work with teams distributed in different time zones.

Benefits:

• Five9 Shares
• Bonus Scheme
• 10% Flex Benefit
• Meal Allowance
• Medical Insurance
• Life Insurance 
• 25 day Annual Leave + Public Holidays

Cloud Platform Engineer needed to design, build and maintain our cloud infrastructure and platform services on Google Cloud Platform, with a strong focus on event-driven architectures.

What you’ll get to do:

You will leverage Infrastructure as Code (IaC) with Terraform, design and manage our event-driven API gateway using Apigee X, and ensure robust observability with New Relic. This role involves enhancing platform reliability, scalability, and performance for critical, real-time event-driven systems.

What you should have:

• Proven experience as a Cloud Platform Engineer or DevOps Engineer.
• Extensive experience with Google Cloud Platform (GCP) services and architecture.
• Strong expertise in Infrastructure as Code (IaC) using Terraform.
• Hands-on experience designing, implementing, and managing event-driven architectures.
• Proficiency with Apigee X for API management, specifically in developing and securing event-driven API ecosystems.
• Expertise in setting up and managing monitoring, alerting, and observability tools, particularly New Relic, for complex distributed systems.
• Experience with CI/CD pipelines and automation best practices for cloud deployments.
• Familiarity with containerization technologies like Docker and Kubernetes in event-driven contexts.
• Ability to troubleshoot complex platform issues and optimize cloud resource utilization.

Bonus points if you have:

• GCP Professional Cloud Architect or DevOps Engineer certification.
• Experience with other cloud providers (e.g., AWS, Azure).
• Scripting skills in languages like Python or Go.
• Knowledge of serverless architectures (e.g., Cloud Functions, Cloud Run) for event processing.
• Experience with message brokers and streaming platforms (e.g., Google Cloud Pub/Sub, Kafka).
• Experience with advanced security practices in cloud environments.

What we can offer you:

Alongside the opportunity to work with some of the most exciting brands around the world, we’ll also prioritise your career development and help you grow your skills. We’ll empower you to make a difference, allow you to be yourself, and respect who you are.

Permanent only:
We offer a great benefits package including  training opportunities, medical insurance, Dental insurance, Meal cards, social events, family friendly policies, discounts with hundreds of retailers and much more.

Our culture thrives on our core values, designed for impact-driven individuals: Heart, Brains and Courage.

We lead with Heart, fostering empathy and trust where genuine connections and human-centric work flourish.
We empower your Brains for innovation, valuing relentless curiosity and collaborative intelligence to solve complex challenges.
And we champion Courage, inspiring you to speak up, embrace experimentation, and advocate for bold solutions that push our thinking to be better than yesterday.

AT VML Enterprise Solutions

Our Enterprise Solutions division houses strategic consultants, creative and technical architects and skilled developers and operators that together help some of the world’s leading organisations to deliver outstanding digital experiences across all major routes to market worldwide: marketplaces, online retailers, D2C, B2B and social platforms. With over 4,200 experts in 55 operational centres across 34 countries, our capabilities span the entire buying journey from customer acquisition, through engagement, to conversion and loyalty, driving multi-channel growth for world-leading brands.

We work with some of the most exciting brands such as The Coca-Cola Company, EY, Bosch, Unilever, Ford, DFS, Mercedes-Benz, Johnson & Johnson, Nestlé, Sainsbury’s, Selfridges, Shell and Tiffany & Co. We’ve built over 500 platforms for brands and retailers and generate in excess of $29bn annually for our clients and work with over 50 strategic partners including Adobe, SAP, Salesforce, HCL, Shopify, Sitecore, BigCommerce, commerce tools and Acquia. Our reputation is based on our people, and we believe we have some of the best in the business.

As our business grows internationally, we’re looking for new people to join us on our journey to inspire and take a key role in shaping some of the best commerce solutions, services, and websites in the world. Working as a team, no problem is insurmountable; we share in our client’s successes and believe that anyone can show creative bravery no matter what their role is in the team.

#LI-EMEA

Cloud Platform Engineer with GCP experience needed to design, build and maintain our cloud infrastructure and platform services on Google Cloud Platform, with a strong focus on event-driven architectures. 

Please send over your CV in English

What you’ll get to do:

In our Lisbon or Porto office, you’ll join a team of other specialists who are always ready to help each other. The team is part of our VML Enterprise Solutions network and works in coordination with our Local and EMEA client leads.   

You will leverage Infrastructure as Code (IaC) with Terraform, design and manage our event-driven API gateway using Apigee X, and ensure robust observability with New Relic. This role involves enhancing platform reliability, scalability, and performance for critical, real-time event-driven systems. 

What you should have:

• Proven experience as a Cloud Platform Engineer or DevOps Engineer. 
• Extensive experience with Google Cloud Platform (GCP) services and architecture. 
•  Strong expertise in Infrastructure as Code (IaC) using Terraform. 
• Hands-on experience designing, implementing, and managing event-driven architectures. 
• Proficiency with Apigee X for API management, specifically in developing and securing event-driven API ecosystems. 
• Expertise in setting up and managing monitoring, alerting, and observability tools, particularly New Relic, for complex distributed systems. 
• Experience with CI/CD pipelines and automation best practices for cloud deployments. 
• Familiarity with containerization technologies like Docker and Kubernetes in event-driven contexts. 
• Ability to troubleshoot complex platform issues and optimize cloud resource utilization. 

Bonus points if you have:

• GCP Professional Cloud Architect or DevOps Engineer certification.
• Experience with other cloud providers (e.g., AWS, Azure).
• Scripting skills in languages like Python or Go.
• Knowledge of serverless architectures (e.g., Cloud Functions, Cloud Run) for event processing.
• Experience with message brokers and streaming platforms (e.g., Google Cloud Pub/Sub, Kafka).
• Experience with advanced security practices in cloud environments.  

What we can offer you:

Alongside the opportunity to work with some of the most exciting brands around the world, we’ll also prioritise your career development and help you grow your skills. We’ll empower you to make a difference, allow you to be yourself, and respect who you are.

We offer a great benefits package including hybrid working that works for everyone, social events, training opportunities, medical and dental insurance, life assurance, meal cards and much more. 

Our culture thrives on our core values, designed for impact-driven individuals: Heart, Brains and Courage.

We lead with Heart, fostering empathy and trust where genuine connections and human-centric work flourish.
We empower your Brains for innovation, valuing relentless curiosity and collaborative intelligence to solve complex challenges.
And we champion Courage, inspiring you to speak up, embrace experimentation, and advocate for bold solutions that push our thinking to be better than yesterday.

AT VML Enterprise Solutions

Our Enterprise Solutions division houses strategic consultants, creative and technical architects and skilled developers and operators that together help some of the world’s leading organisations to deliver outstanding digital experiences across all major routes to market worldwide: marketplaces, online retailers, D2C, B2B and social platforms. With over 4,200 experts in 55 operational centres across 34 countries, our capabilities span the entire buying journey from customer acquisition, through engagement, to conversion and loyalty, driving multi-channel growth for world-leading brands.

We work with some of the most exciting brands such as The Coca-Cola Company, EY, Bosch, Unilever, Ford, DFS, Mercedes-Benz, Johnson & Johnson, Nestlé, Sainsbury’s, Selfridges, Shell and Tiffany & Co. We’ve built over 500 platforms for brands and retailers and generate in excess of $29bn annually for our clients and work with over 50 strategic partners including Adobe, SAP, Salesforce, HCL, Shopify, Sitecore, BigCommerce, commerce tools and Acquia. Our reputation is based on our people, and we believe we have some of the best in the business.

As our business grows internationally, we’re looking for new people to join us on our journey to inspire and take a key role in shaping some of the best commerce solutions, services, and websites in the world. Working as a team, no problem is insurmountable; we share in our client’s successes and believe that anyone can show creative bravery no matter what their role is in the team.

#LI-EMEA #LI-HYBRID #LI-JS1

The SRE Connectivity team at Talkdesk is responsible for building, running, and evolving the infrastructure foundation that supports all engineering teams, with an automation-first mindset and a strong focus on availability, reliability, and scalability.

As a Technical Manager, you will combine hands-on technical leadership with people and delivery ownership. You will actively contribute to the design, implementation, and operation of the network and SRE stack, while also guiding the team, setting technical direction, and ensuring sustainable execution.

At Talkdesk, we follow a “you build it, you own it” philosophy. In this role, you will help reinforce that culture by empowering teams with the right tools, practices, and guardrails, fostering a blameless environment focused on learning and continuous improvement.

You will work with a large, distributed, multi-region, multi-cloud infrastructure, using modern technologies at scale.

Be responsible for:

Technical (hands-on)

• Design, build, and maintain the core network infrastructure and related tooling used across Talkdesk
• Remain hands-on in the day-to-day work, contributing code, infrastructure changes, and reviews
• Drive automation-first practices across network and infrastructure operations
• Ensure infrastructure reliability through observability, monitoring, alerting, and proactive issue detection
• Develop and evolve tooling, alerts, and operational processes that enable engineering teams to safely run production workloads
• Participate in on-call rotation, leading by example and staying close to production realities
• Lead and actively participate in incident response, root cause analysis, and post-mortems, ensuring concrete follow-ups that improve resilience

Leadership & management

• Provide technical direction and standards for the network and SRE domain
• Mentor and coach engineers, supporting their technical growth and operational maturity
• Plan and prioritize work with a focus on impact, risk reduction, and long-term sustainability
• Act as a technical partner to product engineering teams, helping them design more reliable, scalable, and observable services
• Balance short-term operational needs with longer-term architectural improvements

Need to have:

• Strong hands-on experience with AWS networking
• Hands-on experience configuring and operating AWS Direct Connect
• Hands-on experience with Fortinet firewalls and Fortinet network security products
• Experience working with NetBox or similar network source-of-truth solutions
• Solid knowledge of Linux/Unix systems
• Programming/scripting skills in at least one language (e.g. Python, Bash)
• Experience with Infrastructure as Code (CloudFormation, Terraform, or similar)
• Experience with configuration management tools such as Ansible
• Experience with monitoring and observability tools (Datadog, New Relic, Grafana, or similar)
• Proven ability to identify manual, error-prone processes and replace them with automation
• Strong troubleshooting skills and ability to identify root causes in large-scale distributed systems
• Pragmatic, solution-oriented mindset with strong critical thinking skills

Be valued for:

• Experience supporting production systems at scale
• Experience with technologies such as Docker, Consul, Vault, Jenkins, Concourse, Prometheus, Nexus
• Experience with encryption and key management technologies (ACM, KMS, hashing, secret management)
• Experience with additional firewall or network security solutions beyond Fortinet
• Experience with other cloud providers such as GCP or Azure
• Previous experience acting as a technical lead or manager while remaining hands-on

The Security Team keeps Feedzai products and systems secure. We work on risk reduction and security issue mitigation as we continue to move forward and grow. We maintain compliance and security best practices aligned with industry standards, as we work in a very regulated environment and do develop our own software and services. The Security Team is involved from the beginning of production to meet and exceed our client expectations and be the top SME in the industry. We run our own Security Operations Center services and incident response with state of the art tools. We are dynamic, tenacious, and driven by our passion for fighting financial fraud and crime with our socially responsible products. Join Us!

You

You’ll be working with a team that's responsible for the security across all ongoing initiatives, products, processes and applications at Feedzai. This will be a very senior role within this team, someone able to work across teams and coach other more junior team members also.

Your day–to–day

• Design and architect robust security controls with 'secure by default' principles, ensuring long-term maintainability and systemic incident resilience across the organization;
• Review technical designs to identify security weaknesses and provide assistance on how to address them;
• Provide subject matter expertise on security across ongoing initiatives to the organization;
• Lead the technical execution of multi-team security initiatives, influencing cross-team priorities and aligning technical roadmaps with direct business impact;
• Work closely with other functional areas and/or departments in the identification of requirements and designing of solutions;
• Produce high-quality narratives and investment cases supported by facts and data, translating complex security challenges into comprehensive business language for company-wide stakeholders;
• Perform internal and external penetration tests, ensuring timeliness and accuracy of reports;
• Assist in the support of compliance with core applicable standards and regulations (PCI DSS, ISO/IEC 27001, SOC 2, NIST, CIS, GDPR) and participate in the audit processes.

Your Have & You Know-How

• Willingness to learn and to stay up-to-date with the state of the art;
• Break things attitude, so that we can improve (hacker-type of attitude);
• Expert knowledge across web, application, hardware & network security;
• Solid understanding of encryption, key management & distribution;
• Extensive knowledge and experience with cloud service providers such as AWS, Azure, or GCP;
• Extensive knowledge with Kubernetes security;
• Knowledge of PCI DSS, ISO/IEC 27001, NIST, CIS, and GDPR standards and regulations preferred;
• Strong business and financial acumen, with the ability to understand the economic implications (cost efficiency, operational burden, time-to-value) of security engineering decisions;
• 4+ years of relevant professional experience;
• Demonstrated experience developing, deploying, and monitoring secure systems;
• Demonstrated experience implementing AI-driven approaches to optimize security workflows and leading the adoption of new AI technologies;
• Global experience in leading and supporting cross-functional projects, interacting effectively with all levels of the company;
• Track record of managing projects with quality, detail, and consistency;
• Background in engineering with a deep passion for making all things secure;
• Excellent communication skills (written and verbal) with an ability to articulate complex topics in a clear and concise manner.

 #LI-Remote #LI-MG3