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Posted 07 August, 2026

DevSecOps Engineer

CBSbutler Holdings Limited trading as CBSbutler
City of London, ENG, GB Full Time

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 VMwareIf you'd like to discuss this role in further detail, please send your updated CV to (url removed) and I will get in touch