Top DevOps Engineer Jobs in Belfast

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.

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.

The DevOps Engineer will build and manage CI/CD pipelines, maintain environments, implement testing frameworks, and collaborate with teams on deployment workflows.

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.

Maintain and improve cloud infrastructure across multiple countries, manage Kubernetes and CI/CD, optimize performance and costs, handle monitoring and security audits, lead deployments, and mentor junior team members.

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.

Design and develop internal services and deployment automation tools in Go; build and maintain GitLab CI/CD pipelines; manage Kubernetes production and pre-production environments; evolve internal deployment platform (Packman); implement IaC with Terraform and Ansible; optimize ephemeral/stage environments; improve observability with Grafana/OpenSearch/Prometheus; collaborate with engineering teams to enhance developer experience and delivery speed.

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.

The role involves managing cloud infrastructure, focusing on AWS and Kubernetes, ensuring system reliability, building CI/CD pipelines, and supporting AI workloads. Responsibilities include optimizing production systems, enhancing monitoring, and collaborating with teams to improve developer experience.

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

Build, maintain, and operate Mimica’s multi-region Kubernetes platform (GKE/EKS), infrastructure-as-code, GitOps pipelines, and observability. Support engineering teams, triage incidents, migrate IaC to Crossplane, drive FinOps, and design BYOC/single-tenant access patterns while automating work with Python tooling.

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.

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.

Own and operate cloud infrastructure (primarily AWS) using Infrastructure as Code. Maintain CI/CD pipelines, monitor and troubleshoot environments, automate with Python/Bash, and implement Kubernetes/ArgoCD production patterns. Collaborate with architects and teams to improve tooling, security, and scalability across national public-sector programmes.

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.

Design, deploy, and maintain Linux-based infrastructure and CI/CD pipelines. Automate server and application management with Chef, GitHub Actions, and Jenkins. Monitor systems using Prometheus and Grafana, support deployments and incident on-call rotation, troubleshoot networking and application issues, and document processes.

The Senior DevOps Engineer will enhance the Arbor platform's resilience and performance, improve CI/CD pipelines, and foster team collaboration while ensuring systems documentation and incident response.

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.