Senior Systems Engineer

CBSbutler Holdings Limited trading as CBSbutler • Stoke Gifford, Gloucestershire • Posted June 29, 2026

About the Role

Senior Systems Engineer

Location: Bristol (20% onsite / 80% remote)

Duration: Initial 6-month contract with strong extension potential

Rate: £60-£65 per hour (Inside IR35)

Security Clearance: Active SC Clearance required

The Opportunity

We are seeking an experienced Senior Systems Engineer to support the development of complex defence and aerospace capabilities. This role offers the opportunity to work across the full systems engineering lifecycle, helping to shape future operational solutions through requirements engineering, systems architecture, and Model-Based Systems Engineering (MBSE) approaches.

Working within a collaborative, multidisciplinary environment, you will engage with a wide range of stakeholders to understand operational needs, develop robust system architectures, and ensure requirements are effectively managed and traced throughout the engineering lifecycle.

Key Responsibilities

Capture, analyse and refin...