Software Engineer

Yolk Recruitment Ltd; Bristol; On-site; GBP 80,000 - 100,000; Full time

Job summary

A leading defence engineering organisation in Bristol is looking for an experienced Software Engineer to join their team. You will design and develop software tools for defence projects and work closely with CI/CD teams. Essential skills include experience with Cameo, C/C++ development, and the ability to support the full software lifecycle. This position offers a competitive rate of £65 per hour and requires active SC clearance.

Qualifications

• Strong experience with Cameo or IBM Rhapsody (mandatory).
• Solid background in C or C++ development.
• Experience working across the full software development lifecycle.

Responsibilities

• Designing and developing new software tools and architectures.
• Working closely with CI/CD specialists to integrate tools into pipelines.
• Supporting the full software lifecycle from requirements to testing.

Skills

Cameo

IBM Rhapsody

C or C++ development

Understanding of DDS middleware

Experience with CI/CD tools

Collaborative approach

Tools

GitLab

Docker

Job description

Software Engineer (Cameo/Rhapsody) - Bristol - £65 per hour (Umbrella)

12-month contract | SC clearance required | Fully onsite | 4-day week available

A leading defence engineering organisation is looking for an experienced Software Engineer to join the team in Bristol. You’ll be working on cutting‑edge tools and software architectures that support the next generation of Air Defence Systems.

This is a hands‑on role in a highly technical environment. You’ll develop new engineering tools, work closely with CI/CD pipeline teams, and help shape the way complex systems are designed, integrated and verified. If you enjoy solving problems, improving engineering workflows and working across disciplines, this is a great opportunity.

What you’ll be doing

• Designing and developing new software tools and architectures used across major defence projects.

• Working closely with CI/CD specialists to integrate your tools into automated pipelines.

• Explaining how tools should be used and monitoring their effectiveness across engineering teams.

• Supporting the full software lifecycle, from requirements and design through to integration and testing.

• Collaborating with systems engineers, software engineers, integration teams and project leads.

What you’ll need

Essential

• Strong experience with Cameo or IBM Rhapsody (mandatory).

• Solid background in C or C++ development.

• Experience working across the full software development lifecycle.

• Understanding of DDS middleware and real‑time operating systems.

• Familiarity with safety‑related standards such as DefStan 00-55, DO‑178C, or IEC 61508.

• Experience with CI/CD tools such as GitLab and Docker.

• A collaborative approach and the ability to work across multi‑disciplinary project teams.

Nice to have

• Exposure to ontologies or domain‑specific languages.

• Knowledge of defence or aerospace environments.

Contract details

• Location: Bristol (fully onsite)

• Clearance: Active SC clearance required to start

• Duration: 12 months, with strong potential for extension

• Rate: £65 per hour (Umbrella)

• Working pattern: Standard onsite working or optional 4‑day compressed week

• Interview: One‑stage virtual panel