Principal DevSecOps Engineer - London

Salary: £110,000 - 125,000 per year

Requirements:

• Experienced DevSecOps Lead or Principal Engineer with strong hands-on engineering and technical leadership experience
• Experience with CI/CD and GitOps tools, including GitHub Actions, Argo CD and Argo Rollouts
• Experience with security and compliance tools and practices, including Trivy, vulnerability management, HashiCorp Vault and cert-manager
• Experience with containers and cloud technologies, including Docker, AWS EKS, AWS IAM, S3 and network policies
• Experience with Terraform for Infrastructure as Code
• Experience with Grafana and Loki for observability
• Experience with Python and Bash automation
• Experience delivering within the UK Government Digital Service (GDS) lifecycle on a public sector engagement
• Security Check (SC) clearance and eligibility, including continuous UK residency for the last five years
• Sole UK national

Responsibilities:

• Design and continuously improve secure, automated CI/CD and GitOps pipelines
• Embed security scanning, vulnerability management and secrets management into delivery workflows
• Establish secure-by-design engineering practices and enforce security and technical standards
• Lead Infrastructure as Code (IaC) practices across teams and environments
• Drive observability, monitoring, logging and audit controls
• Support incident response, patching, compliance reporting and technical debt remediation
• Partner with developers and delivery teams to improve engineering quality and security
• Document security processes, controls and operational runbooks
• Provide technical leadership and help establish effective DevSecOps ways of working

Technologies:

• AWS
• Bash
• CI/CD
• Cloud
• DevSecOps
• Docker
• GitHub
• GitOps
• Grafana
• IAM
• Support
• Network
• Python
• Security
• Terraform
• DevOps

More:

We are hiring a Principal DevSecOps Engineer for a permanent role based in London, with hybrid working requiring three days per week on-site. The role supports complex, high-impact technology transformation programmes and offers a salary of £110,000–£125,000, a 5–10% bonus, pension and benefits. We provide learning and development opportunities, professional certifications and the opportunity to shape DevSecOps practices across a growing technology environment.

last updated 40 week of 2026