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Senior/Principal Software Engineer

BAE Systems
United Statesfull_timeVerifiedPosted 16 Apr 2026
💰 £65,000/yr

About the role

Senior/Principal Software Engineer-00134906

Description

 

Job Title: Senior/Principal Software Engineer

Job Location: Rochester, Kent. Onsite

Salary: Up to £65.000 per annum depending on experience

 

Who we are:

Join BAE Systems and you’ll be part of something bigger. As a valued member of our global colleague network, you’ll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You’ll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow - shaping a safer future, for all of us.

Role Description:

As a Principal Software Engineer, you will lead the design and delivery of embedded software for complex, safety critical systems. You will develop drivers, protocols and human-machine interfaces. Responsible for technical direction and ensuring robust, certifiable solutions. Working across the full lifecycle, you will define architectures and solve complex engineering challenges through integration, verification and validation. You will provide technical leadership, mentor engineers and influence best practice. Engaging with customers and stakeholders, you will shape strategy, drive innovation and play a key role in delivering high-impact solutions.

Core Duties:

  • Lead design and development of embedded software, including drivers, protocols, human-machine interfaces with certification artefacts
  • Define system and software architectures from requirements using structured design, modelling and simulation
  • Drive integration, verification and validation within a safety critical environment
  • Provide technical leadership through mentoring, peer reviews and best practice
  • Deliver reliable estimates, including sizing and reuse
  • Engage with customers to resolve technical challenges and shape solutions
  • Contribute to engineering processes, design reviews and strategic decisions, ensuring high quality, compliant delivery

     

Essential Skills:

  • You will have a degree or equivalent qualification in a Scientific/Engineering (electronics-engineering, software-engineering, physics, math's) environment
  • You will have excellent Software Engineering skills, with significant experience in C/C++
  • You will have extensive experience of Software Architecture Design using UML or other recognised model-based design techniques as well as experience in UML for software design in CAMEO, EA, Rhapsody or integrity Modeler
  • You will have extensive experience of interfacing software with hardware in a real-time environment and development experience to DO-178B/C Standards

The Software team:

You will be working as part of a team of experienced, passionate and innovative engineers creating world-leading control and display systems. This is an extremely exciting and challenging role and will present the opportunity to design products for the world’s most advanced commercial and military fixed wing and rotary wing aircraft. Exposure to the customer and end user, as well as working alongside like-minded engineers, makes this a unique opportunity for the right candidate.

Why BAE Systems?

Here you’ll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work - this is a place where you can grow your career with confidence and be empowered to be your best. You’ll be recognised for your contribution and enjoy rewards tailored to what’s most important to you and your family - support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make.

A place where everyone can thrive:

We’re committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams

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Company

BAE Systems

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