BAE Systems
Senior Software Engineer (CFD)
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Job Title: Senior Software Engineer (CFD)
Location: Filton - minimum 3 days on site per week. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role
Salary: £46,350
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:
You'll play a key role in developing and supporting BAE Systems' CFD toolset, contributing to the aerodynamic analysis of aerospace platforms. Working within a specialist team of CFD, aerodynamics and software engineering experts, you'll contribute to the development of C++based simulation software and deliver innovative solutions to engineering challenges. Alongside software development, you'll apply your CFD knowledge to a range of aerodynamic and multi-physics simulation projects, using both proprietary and commercial tools to provide critical insights that support engineering decision-making across the business.
Core Duties:
- Gather user requirements and develop new CFD software features and numerical algorithms
- Design, develop and test C++ software enhancements in line with quality and best-practice standards
- Optimise, tune and validate parallel code for High Performance Computing (HPC) environments
- Perform CFD and multi-physics simulations, analysing and reporting technical findings
- Maintain expertise in CFD, numerical methods, HPC and related technologies
- Manage software configuration, release documentation and project records in line with quality processes
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Essential Skills:
- Degree in a STEM discipline such as Engineering, Mathematics, Computer Science or Physics, or equivalent relevant experience
- Experience developing software in C++
- Understanding of Computational Fluid Dynamics (CFD), including numerical methods and solution techniques
- Good Linux programming and debugging skills, with knowledge of High Performance Computing (HPC) environments and parallel computing using MPI
The Computational Engineering Dynamics Team:
Join a close-knit team of CFD and software specialists developing and enhancing BAE Systems' corporate CFD capability. You'll collaborate with engineers and technical experts across the business to deliver cutting-edge aerodynamic simulation solutions and optimise performance on large-scale High Performance Computing platforms.
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.
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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 and is vital to the work we do.
We welcome applications from all candidates and give full, fair and open consideration to everyone. If you require any reasonable adjustments during the recruitment process, please contact our recruitment team to discuss any further support you may need. Connect with us at baesystems.com/connect.
Security Statement:
Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks.
Closing Date: 23rd October 2026
We reserve the right to close this vacancy early if we receive sufficient applications for the role. Therefore, if you are interested, please submit your application as early as possible.
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