DevSecOps Engineer

Job in City Of London, Central London, Greater London, England, UK

Listing for: CBSbutler Ltd.

Full Time position
Listed on 2026-08-09

Job specializations:

IT/Tech
Cloud Computing: Infrastructure & Operations, Systems Engineer, SRE/Site Reliability, Cybersecurity

Salary/Wage Range or Industry Benchmark: 111000 - 120000 GBP Yearly GBP 111000.00 120000.00 YEAR

Location: City Of London

Dev Sec Ops 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 Dev Sec Ops 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 Dev Sec Ops 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 Dev Sec Ops / Platform Engineering background in secure environments.
Practical experience with:
- Kubernetes
- AWS and/or Azure
- Python
- VMware

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