Coltech
DevOps Engineer
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Location: UK Remote
Clearance: Eligible for Security Clearance (SC)
Employment Type: Contract
We're looking for experienced DevOps / Platform Engineers to join a growing platform engineering team delivering secure, cloud-native solutions within Defence, Government, and security-focused environments.
You'll be responsible for designing, building, automating, and supporting highly secure cloud and containerised platforms, enabling development teams to deploy and operate applications reliably at scale. This is a fantastic opportunity to work on mission-critical programmes where security, resilience, and automation are at the heart of everything we do.
If you're passionate about Platform Engineering, Infrastructure as Code, Kubernetes, and cloud technologies, we'd love to hear from you.
Key Responsibilities
- ✅ Build, deploy, and support secure cloud-native platforms
- ✅ Design and maintain Kubernetes-based container environments
- ✅ Develop Infrastructure as Code solutions using Terraform
- ✅ Build and optimise CI/CD pipelines using GitLab
- ✅ Implement GitOps deployment practices with ArgoCD and Helm
- ✅ Support AWS cloud environments, ensuring security and scalability
- ✅ Develop automation tooling and scripts using Python
- ✅ Manage artifact repositories with JFrog
- ✅ Implement observability and monitoring using Grafana, Prometheus, and OpenTelemetry
- ✅ Collaborate with development, architecture, and security teams
- ✅ Support multi-environment deployment strategies across development, test, staging, and production
- ✅ Drive DevOps best practices, automation, and continuous improvement
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Essential Skills
We're looking for strong experience across:
- Kubernetes
- Platform Engineering
- AWS
- Docker
- GitLab CI/CD
- Terraform
- Helm
- ArgoCD
- JFrog
- Python
- Rancher
- Packer
- Grafana
- Prometheus
- OpenTelemetry
- Conventional Commits
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Desirable Skills & Experience
Experience with any of the following would be beneficial:
- Ansible
- VMware and/or Hyper-V
- Technical design and solution architecture
- Multi-environment deployment strategies
- Infrastructure as Code best practices
- Automated deployment and release management
- Defence sector experience
- Experience working within secure or regulated environments
- Security-focused project delivery
Ideal Candidate
You'll likely have:
- Experience operating within Defence, Government, National Security, or highly regulated environments
- Strong understanding of cloud-native technologies and platform engineering principles
- A security-first mindset with experience delivering secure infrastructure
- Excellent troubleshooting and problem-solving skills
- Strong stakeholder engagement and communication abilities
- A passion for automation and continuous improvement
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