Top DevOps Engineer Jobs in Belfast

Lead DevOps Engineer responsible for designing and implementing cloud infrastructure, CI/CD pipelines, automation, containerized microservices, monitoring, networking, high availability, disaster recovery, and serverless solutions. The role involves consulting with clients, collaborating across agile teams, shaping technical approaches and bids, maintaining client relationships, coaching engineers, and contributing to account management.

Designs and manages AWS and Kubernetes infrastructure, CI/CD pipelines, monitoring, and DevSecOps processes. The role includes cloud security, vulnerability management, compliance support, infrastructure automation, and AI-assisted engineering. The engineer will also operate AI/ML workloads, including model-serving and GPU-enabled environments, while implementing responsible AI guardrails and cost controls. Collaboration with product teams and application of AWS Well-Architected principles are central responsibilities.

Design, scale, and maintain Upwind’s cloud infrastructure, CI/CD pipelines, and production systems. The role involves architectural design, cloud technology and open-source tool evaluation, infrastructure automation, Kubernetes and database operations, production monitoring, and ensuring reliable, scalable delivery of product features.

Designs and implements cloud infrastructure, CI/CD pipelines, automation, containers, monitoring, networking, disaster recovery, and serverless solutions. The role involves architecture, agile collaboration, client engagement, technical problem-solving, team coaching, bid support, account management, and consulting across varied client projects.

Build and operate DevOps infrastructure for regulated digital-asset exchange, clearinghouse, and brokerage systems. Responsibilities include improving CI/CD pipelines, managing AWS infrastructure with Terraform, running containerized services on Nomad, developing deployment tooling with health checks and rollback, monitoring systems, responding to production alerts, supporting settlement operations, and contributing to Haskell-based services. The role requires on-call participation, distributed-systems expertise, and collaboration across engineering, operations, risk, and compliance.

Lead DevOps modernization across global platforms by designing adoption strategies, engineering CI/CD automation, integrating testing, improving observability and production resiliency, and supporting cloud and on-premises application teams. The role provides hands-on technical leadership, drives containerization and serverless adoption, engages vendors, and promotes measurable productivity and delivery improvements through DevOps, SRE, Agile, and Lean practices.

Design, build, and operate resilient, secure GCP-based infrastructure for customer-facing SaaS. Own networking, CI/CD/GitOps, Kubernetes deployments, monitoring, autoscaling, incident response, and compliance. Collaborate cross-functionally, use AI/LLM tools to automate runbooks and diagnostics, and ensure high availability and performance.

Operate and improve secure, reliable, and cost-effective AWS and Azure cloud services across production and non-production environments. Responsibilities include infrastructure-as-code automation with Terraform, CI/CD support, incident response, change management, monitoring, cloud security and compliance, cost optimization, disaster recovery, operational remediation, and documentation. The role collaborates with application, infrastructure, security, networking, FinOps, and service management teams, with occasional out-of-hours support during business-critical periods.

Leads a DevOps team responsible for the reliability, security, and operational efficiency of cloud and on-premise platforms. Owns Kubernetes infrastructure, GitHub-based CI/CD, GitOps, infrastructure as code, observability, incident response, disaster recovery, and security hardening. Provides technical mentorship, leads production deployments, manages platform tooling, develops runbooks, and collaborates with Engineering, SRE, Security, and Operations on platform improvements.

Design, implement, and evolve complex backend capabilities for GitLab’s global DevSecOps platform. Drive architecture and technical direction, improve quality, security, availability, performance, and operational readiness, and participate in incident response. Mentor engineers, lead through technical influence, collaborate asynchronously across product and infrastructure teams, and integrate reliable agentic AI systems into production engineering workflows.

Build and operate Namespace’s high-performance infrastructure platform supporting customer builds, tests, and CI jobs. Responsibilities include optimizing compute, memory, storage, and networking; automating provisioning, deployment, scaling, and recovery; developing observability and incident response processes; planning capacity; improving cost efficiency; and collaborating with product engineers to deliver reliable platform capabilities.

Designs and maintains scalable AWS cloud infrastructure, deployment architectures, CI/CD pipelines, monitoring frameworks, and Kubernetes environments. Automates provisioning with Terraform or CloudFormation, applies security best practices, and optimizes reliability, performance, and scalability. The role collaborates with development teams, technical leaders, clients, and stakeholders to deliver enterprise solutions, advise on cloud and DevOps practices, analyze requirements, and support project execution. The position requires four days onsite weekly in London.

Own and improve CI/CD pipelines, cloud infrastructure automation, infrastructure as code, deployment tooling, and platform operations for a multi-tenant SaaS environment. Collaborate with development, QA, product, and SRE teams to improve release workflows, reliability, environment management, and tenancy onboarding. Troubleshoot deployments, reduce manual effort through automation, and maintain infrastructure and pipeline documentation.

Own and improve multi-cloud production infrastructure across GCP, AWS, and Azure. Build developer platforms, CI/CD pipelines, deployment automation, Terraform modules, and production Kubernetes environments. Lead incident response, root-cause remediation, observability, networking, security, cost optimization, and reliability initiatives. The role requires hands-on automation and programming, collaboration with security and application teams, mentoring, global on-call participation, and regular overlap with U.S. Pacific Time.

Build and improve DevOps automation for a public sector project, focusing on GitHub repository compliance, code security controls, Terraform configuration, and CI/CD integration. The role involves reviewing repositories, identifying control gaps, documenting compliance evidence and exceptions, maintaining tested production-quality code, troubleshooting tooling, and collaborating with engineering and security stakeholders. Active SC clearance and strong GitHub, Terraform, infrastructure automation, and DevOps experience are essential.

Support and optimize infrastructure across multiple SaaS environments, primarily on Azure. Build scalable cloud infrastructure, automate deployments and system administration, manage CI/CD pipelines, configure networks, troubleshoot operating system and hardware issues, and improve reliability, security, compliance, monitoring, disaster recovery, and operational KPIs. Collaborate with engineering teams on complex projects while supporting evolving IaaS, PaaS, and serverless environments.

Leads technical direction for GitLab’s Core DevOps services, covering CI, CD, planning, and source control. Defines architecture, quality metrics, migration strategies, and technical roadmaps; addresses systemic risk and complex design decisions; prototypes and writes code when needed; partners with Infrastructure, Security, SRE, and Product; adopts AI capabilities; mentors senior engineers; supports incident response and senior technical hiring.

Supports multi-cloud infrastructure for software, fonts, and training tools serving minority language communities. Responsibilities include administering Kubernetes, managing public and private cloud environments, monitoring system health, improving infrastructure, testing disaster recovery plans, orchestrating cloud resources, and troubleshooting with development teams. The role also provides training and requires experience with virtual servers, containers, Linux and Windows administration, scripting, cloud networking and security, infrastructure as code, and automated provisioning.

Build, maintain, and operate Linux-based infrastructure at scale. Collaborate with development and DevOps teams to deploy applications, develop automation tooling, manage CI/CD pipelines, support in-house and third-party systems, troubleshoot production issues, monitor services with Grafana and Prometheus, document processes, and participate in on-call incident response.

Architect, build, and own AWS infrastructure supporting highly available SaaS products. Drive cloud migrations, automation, scalability, security, observability, and reliability improvements while partnering with developers and cross-functional teams. Participate in weekly on-call rotations, lead root cause analysis, and eliminate recurring operational issues. The role requires hands-on experience with AWS, infrastructure as code, CI/CD, configuration management, monitoring, GitOps, and multiple programming and scripting languages.

Design, build, and operate secure, resilient AWS infrastructure and multi-tenant platforms. Own Terraform infrastructure-as-code, CI/CD pipelines, Kubernetes environments, networking, IAM, observability, reliability, and security controls. Lead infrastructure initiatives end to end, collaborate closely with Engineering, support incident response and SRE practices, and contribute to architecture decisions. The role also supports Microsoft 365, zero-trust networking, SOC 2, and Cyber Essentials Plus compliance activities.

Design, deploy, operate, and continuously improve Kubernetes-based AI infrastructure. Responsibilities include managing Linux systems, bare-metal servers, data-centre infrastructure, NVIDIA GPU workloads, infrastructure automation, security access, platform governance, troubleshooting, documentation, customer and vendor collaboration, and on-call operational support.

Design, implement, and maintain AWS cloud infrastructure, deployment architectures, CI/CD pipelines, high-availability systems, monitoring frameworks, and Kubernetes-based applications. Automate infrastructure with Terraform or CloudFormation, apply security best practices, optimize performance and scalability, and collaborate with development teams and clients to improve deployment workflows and deliver projects effectively.

Collaborate with development teams to deploy and maintain applications on GCP using Kubernetes, Docker, Helm, ArgoCD and Terraform. Build automation pipelines, support deployments/upgrades/troubleshooting, manage infrastructure as code, document processes, and participate in on-call rotation.

As a Lead DevOps Engineer, you will build and deploy cloud-based infrastructure, automate deployments, and lead a team in delivering secure environments for data analytics using various technologies.