Software Engineer

Build secure software. Solve complex problems. Shape next-generation defence technology.

Copello are partnering with a leading defence and cyber organisation in Berkshire to find an experienced Senior/Principal Software Engineer to join a highly skilled engineering team.

This is a fantastic opportunity for a software engineer who enjoys technical ownership, complex problem-solving and hands-on development , working on secure, mission-critical products across embedded and application environments.

The Role

You'll take technical responsibility across the software development lifecycle - from requirements and architecture through to design, implementation, testing and verification.

• Designing and developing embedded and/or application software .
• Working with C and C++ across bare-metal, RTOS and Linux environments.
• Developing robust, reusable software using Object-Oriented Design and SOLID principles .
• Supporting software architecture, requirements and technical design.
• Driving best practice across TDD/BDD, CI, DevSecOps and automated testing .
• Working closely with Systems, Hardware and Firmware engineers.
• Leading technical reviews and contributing to key engineering decisions.
• Mentoring and supporting less experienced engineers.
• Contributing to technical proposals, bids and future product development.
• Driving improvements in software tools, processes and engineering practices.

What we're looking for

We're keen to speak with experienced Software Engineers who have:

• Strong C/C++ experience
• Significant experience in embedded software development
• Experience with bare-metal, RTOS and/or Embedded Linux
• Strong understanding of software development lifecycles and best practice
• Experience with Object-Oriented Design and Design Patterns
• Strong software testing and design-for-test experience
• Experience working in complex or regulated environments
• Knowledge of Rust, TCP/IP, MISRA, DevSecOps, CI/CD, DOORS, UML, SysML or Enterprise Architect would be advantageous

Why this opportunity?

You'll be working on secure, mission-critical technology within a highly technical defence environment, with the opportunity to influence architecture, develop your technical expertise and mentor the next generation of engineers.

• bonus
• private medical
• enhanced pension
• 25 days' holiday + bank holidays
• flexible benefits
• a potential early Friday finish

Security clearance:

Candidates will need to be eligible to obtain and maintain SC and DV clearance .