DevSecOps Engineer

CBSbutler Ltd.; City Of London; On-site; GBP 111,000 - 120,000; Full time

Job summary

CBSbutler Ltd. is recruiting a DV-cleared DevSecOps Engineer to build, secure and operate the platforms and delivery pipelines for a major AI programme with defence. The role is based on-site in London, four days per week, with Sole British nationals only due to security requirements.

You will implement secure CI/CD pipelines across cloud and on-prem environments, support containerised platforms (Kubernetes) and apply security controls throughout the delivery lifecycle.

Qualifications

• Active DV clearance and ability to work on-site in London.
• Strong hands-on DevSecOps background in secure environments.
• Practical experience with Kubernetes, AWS and/or Azure, Python, VMware.

Responsibilities

• Building and maintaining secure CI/CD pipelines and DevSecOps tooling across cloud and on-prem environments.
• Supporting containerised platforms (Kubernetes) including deployment, hardening, upgrades, and operational stability.
• Implementing and improving security controls across the delivery lifecycle (secure-by-default build, release and runtime).
• Working with engineering teams to enable secure delivery of services and internal tooling (including Python/React components).
• Supporting platform and environment work spanning VMware, AWS, and Azure.
• Working with data/platform teams using MongoDB and Palantir in a secure setting.

Skills

DevSecOps

CI/CD

Cloud platforms

Security engineering

Tools

Python

React

MongoDB

Palantir

Kubernetes

VMware

AWS

Azure

Job description

DevSecOps Engineer - DV cleared

+12 months +

+4 days a week on site in London

+DV cleared - Sole Britsh nationals only due to the nature of the project

+Inside IR35

+£600 - £650 a day

We're partnering with the Ministry of Defence through our Managed Services on a major AI programme that will play a significant role in supporting future defence capabilities. We're looking for a DV Cleared DevSecOps Engineer to help build, secure and operate the platforms and delivery pipelines that underpin this mission-critical work, based on‑site in London 4 days per week.

Key tech / tools

• Python
• React
• MongoDB
• Palantir
• Kubernetes
• VMware
• AWS & Azure

What you'll be doing

• Building and maintaining secure CI/CD pipelines and DevSecOps tooling across cloud and on-prem environments.
• Supporting containerised platforms (Kubernetes) including deployment, hardening, upgrades, and operational stability.
• Implementing and improving security controls across the delivery lifecycle (secure-by-default build, release and runtime).
• Working with engineering teams to enable secure delivery of services and internal tooling (including Python/React components where needed).
• Supporting platform and environment work spanning VMware, AWS, and Azure.
• Working with data/platform teams using MongoDB and Palantir in a secure setting.

Essential experience (must-have)

• Active DV clearance and ability to work on‑site in London.
• Strong hands‑on DevSecOps / Platform Engineering background in secure environments.
• Practical experience with:
  • Kubernetes
  • AWS and/or Azure
  • Python
  • VMware