Principal Software Engineer in Luton

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Job Description

Job title: Principal Software Engineer

Location: Luton – Hybrid

Salary: Up to £80k

Clearance: SC eligible (Sole UK )

Duration: Permanent

We are hiring for experienced C++ Senior/Principal Software Engineers on a permanent basis to be based in Luton.

This position is for embedded software development in an end-to-end role focused on electronic warfare systems.

As a software engineer, you will work within an integrated project team and be responsible for creating high quality and robust designs and code; for fully documenting and recording your work products; keeping them under configuration management and providing plans and progress reports.

Work Experience:

:

• C++14 or higher versions

Tools:

• Visual Studio 2019
• VxWorks
• IBM DOORS
• Azure DevOps
• Git

Essential Skills and Qualifications:

• Strong programming expertise in C++14, with extensive experience using Visual Studio for development, debugging, and performance optimisation.
• Proven ability to design, implement, and maintain embedded software on RTOS platforms such as VxWorks, including target integration and validation.
• Strong grasp of Object-Oriented Design (OOD) principles.
• Strong unit test skills using tools such as MS Test Framework.
• Experience in interpreting and managing requirements through IBM DOORS, maintaining full traceability from definition to verification.
• Proven ability to work closely with other teams (i.e. systems), translating requirements into technical deliverables and ensuring alignment with project goals.
• Demonstrates ownership, attention to detail, and the ability to communicate effectively with both client and internal stakeholders to deliver high-quality outcomes.
• Excellent written and verbal communication skills.
• Strong peer reviewing skills (source code and documentation).

Desirable Skills and Qualifications:

• Experience delivering software within Agile and DevOps frameworks, actively contributing to sprint meetings.
• Practical exposure to Continuous Integration (CI) environments and automated build and test pipelines.
• Working knowledge of Azure DevOps for pipeline creation, build orchestration, and release management.
• Familiarity with DO-178C standards for safety-critical software development in aerospace and defence domains.
• Confidence in presenting technical material to a wide range of stakeholders in discussions, technical reviews, and cross-functional collaborations.

Qualifications:

• Honours degree or equivalent in Electronics Engineering or another STEM-based subject
• UK citizenship (Sole UK ) is mandatory to be able to clear the background checks and obtain SC clearance
• Current valid SC clearance would be an advantage

Security Clearance

• You must be eligible for full security clearance with Sole British Nationality

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We are proud to provide equal opportunities in line with our and policy and welcome applications from all suitably qualified or experienced people, regardless of personal characteristics.

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