Top DevOps Engineer Jobs in Belfast

Architect and maintain GitHub-based CI/CD pipelines, test-driven deployments, Docker containerization, and automated release workflows. Manage JavaScript, TypeScript, and C++ package lifecycles; build cross-platform applications with CMake; and automate web, desktop, and mobile releases. Provision secure, scalable infrastructure using IaC tools while supporting Linux administration, networking, monitoring, troubleshooting, and release reliability across distributed teams.

Support and manage production and non-production application environments, own deployment pipelines, triage incidents in ITSM, improve CI/CD, collaborate across teams, and ensure monitoring, security, and performance best 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.

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.

The DevOps Engineer designs and manages AWS cloud infrastructure, automates operations, develops CI/CD pipelines, and ensures robust monitoring and observability.

Design, build, operate and improve secure cloud-native platforms and DevSecOps pipelines. Automate infrastructure (IaC), support AWS/Azure and container platforms (Kubernetes/OpenShift/EKS/ECS), implement observability, troubleshoot production issues, and work within regulated government/defence environments to ensure resilient, secure services.

Build, maintain, and secure cloud infrastructure and CI/CD pipelines; manage VMs, containers, networking, and PostgreSQL; automate deployments, monitor system health, and participate in incident response and documentation.

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.

Technical lead and architect for infrastructure, automation, and deployments. Own IaC, CI/CD, release engineering, observability, and production reliability across Windows and Linux platforms. Design Windows HA/clustering, build Terraform/Ansible standards, manage Octopus/GitHub deployments, set monitoring/alerting with VictoriaMetrics/Prometheus, lead incident response, mentor engineers, and maintain runbooks and platform roadmaps.

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.

Lead the development and implementation of secure cloud environments for National Security and Defence clients by leveraging commercial and open-source technologies.

Design, automate and maintain Azure infrastructure at scale using Terraform and CI/CD. Build pipelines (Azure DevOps, GitHub Actions), enforce security and governance (Azure Policy, RBAC, Key Vault, Entra ID), monitor and optimise workloads, troubleshoot incidents, perform code and architecture reviews, mentor engineers, coordinate delivery, support migrations and onboarding, and participate in on-call rotations.

The Senior DevOps Engineer will manage AWS infrastructure, optimize services, improve CI/CD pipelines, and enhance system observability while ensuring compliance with necessary standards.

The Staff DevOps Engineer will enhance and manage infrastructure for AI inference, focusing on speed, resilience, and automation across GPU fleets and production systems.

As a Senior DevOps Engineer, you'll design and implement AWS infrastructure, ensure system reliability and security, manage CI/CD pipelines, and lead incident resolutions.

Maintain and automate cloud infrastructure and CI/CD for a globally available WebRTC video conferencing service. Build IaC with Ansible and Terraform, manage AWS resources, deploy to Linux, Windows and Kubernetes, troubleshoot test environments, lead incident response and root cause analysis, and automate repetitive tasks to support development and production delivery.

Lead ownership of CI/CD and SDLC infrastructure, automating mobile release pipelines, improving end-to-end test automation, optimizing pipeline performance, and enhancing developer experience while ensuring security and compliance for a consumer fintech product.

Own and operate cloud infrastructure (primarily AWS) using Infrastructure as Code. Maintain and improve Terraform estates, manage Kubernetes and ArgoCD production workloads, keep CI/CD pipelines reliable, automate with Python/Bash, monitor performance, troubleshoot incidents, and collaborate with teams to deliver secure, scalable public-sector services.

Design, build, and operate scalable, secure cloud infrastructure and CI/CD pipelines. Manage Kubernetes environments, implement IaC (Terraform), improve observability, troubleshoot production issues, support security/compliance, and mentor junior engineers to optimize platform reliability and cost.