Principal DevSecOps Engineer

83zero Ltd; West of England; On-site; GBP 110,000 - 125,000; Full time

Benefits offered by this job

Bonus 5-10%

Pension

Benefits

Job summary

83zero Ltd in Bristol is seeking a Principal DevSecOps Engineer to lead secure, automated delivery across complex transformation programmes. You will design and evolve CI/CD pipelines, embed security controls and govern IaC practices.

This role combines hands-on engineering with technical leadership, offering hybrid working 3 days on-site and a focus on security, observability and governance. SC clearance and UK residency required.

Qualifications

• Experience delivering within the UK Government Digital Service (GDS) lifecycle on a public sector engagement.
• Strong CI/CD pipelines and GitOps with modern tooling.
• Proficient in security tooling and vulnerability management.
• Terraform/IaC experience and secure-by-design practices.

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 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 debt remediation.
• Partner with developers to improve engineering quality and security.
• Document security processes, controls and runbooks.

Skills

CI/CD & GitOps

Security & compliance

Containers & cloud

Infrastructure as Code

Observability

Automation

UK Government (GDS) lifecycle

Tools

GitHub Actions

Argo CD

Argo Rollouts

Trivy

HashiCorp Vault

cert-manager

Terraform

Grafana

Loki

Python

Bash

Job description

Principal DevSecOps Engineer - Permanent

Bristol | Hybrid - 3 days per week on-site

£110,000-£125,000 + 5-10% bonus + pension + benefits | Permanent

Build secure, scalable platforms that enable transformation.

We're looking for a Principal DevSecOps Engineer to lead the adoption and continuous improvement of DevSecOps practices across complex technology transformation programmes.

You’ll combine hands‑on engineering with technical leadership - embedding security, automation, governance and reliability throughout the path to live.

What you’ll do

• 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

What we're looking for

• CI/CD & GitOps - GitHub Actions, Argo CD, Argo Rollouts
• Security & compliance - Trivy, vulnerability management, HashiCorp Vault, cert‑manager
• Containers & cloud - Docker, AWS EKS, AWS IAM, S3 and network policies
• Infrastructure as Code - Terraform
• Observability - Grafana, Loki
• Automation - Python and Bash
• Experience delivering within the UK Government Digital Service (GDS) lifecycle on a public sector engagement

Why join?

You’ll work on complex, high‑impact transformation programmes where engineering, security and technology come together.

You’ll have access to extensive learning and development opportunities, professional certifications and flexible hybrid working - with the opportunity to shape DevSecOps practices across a growing technology environment.

Security Check (SC) clearance is required, including continuous UK residency for the last five years, alongside the relevant eligibility requirements.

Important: You must be a Sole UK National for this requirement.

Ready to shape the future of secure engineering? If you’re a senior DevSecOps professional who enjoys solving complex technical challenges, leading from the front and building secure engineering practices that scale, we’d love to hear from you.