Principal DevSecOps Engineer - London
Summary
A principal-level DevSecOps engineer leading secure cloud platform work: building CI/CD and GitOps pipelines, hardening containerised workloads on AWS, and running security/compliance tooling. Core stack includes GitHub Actions, Argo CD, Docker, AWS EKS, IAM, Vault and Trivy.
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
- 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
- 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