Principal Engineer Software Engineering (Specialist Software)

Principal Engineer - Software Engineering (Specialist Software) Frimley based role (Hybrid working) £67.47 per hour Umbrella Inside IR35 12 Month Contract initially. This is a great opportunity to work within one of the…

Inside IR35 Hybrid Public Sector
Pay rate £67.47/hour
Contract type Contract
Posted 30 September 2026

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About this contract

Principal Engineer - Software Engineering (Specialist Software)

Frimley based role (Hybrid working)

£67.47 per hour Umbrella Inside IR35

12 Month Contract initially.

This is a great opportunity to work within one of the UK's leading Defence organisations based in Frimley. The role is working on a hybrid basis 2-3 days per week on site.

We are seeking an experienced Kubernetes contractor to help define this direction. The emphasis of this role is not on simply deploying or administering Kubernetes clusters, but on shaping the architectural approach, design decisions, and engineering standards that will underpin our future CI capabilities.

This individual will work closely with engineering leadership to ensure that containerisation is introduced in a way that supports both immediate delivery needs and longer-term strategic goals, including multi-team adoption, cost efficiency, and developer experience.

An experienced Kubernetes engineer is required to support the immediate project with the integration of US Common Infrastructure Services (CIS) into CI following which the role would be required within CIIS for delivery of CI capability.

Skills:

Ability to operate at engineering leadership / architecture level
Strong experience designing Kubernetes platforms, not just operating them
Proven experience integrating Kubernetes with CI/CD systems
Experience with multi-team platform design and governance

Desirable:

Experience with GitOps (e.g., ArgoCD, Flux)
Experience with cloud-native build tooling (e.g., BuildKit, Kaniko)
Familiarity with enterprise-scale engineering environments

Qualifications:

(Ideally 5+ years experience)
STEM, CEng, Chartered IT Professional (CITP) ect
For more information please contact Lauren Morley at JAM Recruitment or click apply

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