Principal Systems Engineer - Architecture, Data and Applications

Job Title: Principal Systems Engineer - Architecture, Data and Applications

Location: Coventry, Filton, Frimley, Broad Oak and Barrow-in-Furness

We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role

Grade: S5

You’re expected to have completed 12 months in role prior to applying for an advertised vacancy and you should also discuss the internal opportunity with your line manager to ensure sustained business continuity and to further support your career development.

We know there may be exceptional individual circumstances that impact this, in the first instance please discuss this with your line manager.

If you don’t feel you can talk to your line manager, you can contact your HRBP.

PLEASE NOTE: Should you be invited for interview; you acknowledge that the Recruitment team will contact you and your line manager regarding your application for this opportunity.

Job Description:

By joining us as a Principal Systems Engineer, you will provide technical leadership across architecture, data and applications within a Model-Based Systems Engineering environment. You will lead Systems Engineering tooling strategies and provide guidance on tool configuration, customisation and concept development.

The role includes stakeholder engagement and driving digital engineering transformation. Working within the Systems Engineering Transformation Team, you will help embed modern Systems Engineering capabilities to enable the efficient delivery of complex programmes.

Core duties:

• You will provide technical leadership and guidance on matters relating to a discipline and may occasionally lead a team of engineers which will include direct line management responsibility
• Liaise with both internal and external stakeholders as required, ensuring that their requirements are adequately supported and that their needs are fully considered and incorporated where appropriate and agreed
• You will be responsible for managing Systems Engineering tooling requirements and concept development
• Provide guidance to the programme to migrate models from Sparx EA to Cameo Systems Modeller
• You will also provide support and guidance on MBSE tool configuration and customisation
• Conduct tooling feasibility studies and impact assessments which will include both automation and AI
• You will be responsible for managing the tools used by the Model-Based Systems Engineering discipline. This will include the requirements for tools and infrastructure support, model management and migration, aswell as supporting the transition to digital engineering

Essential Skills:

• You will require the theoretical knowledge to solve problems in new technologies, alongside the ability to develop new analytical techniques. This will also require you to have demonstrable prior successful application of knowledge to deliver innovative products and services or be able take technical responsibility for complex engineering systems
• You will need to hold experience of developing technical staff and effectively transferring technical knowledge across the team
• A good understanding of the Enterprise architecture frameworks ArciMate will be required
• You will need good familiarity of Cameo systems modeller (Dassault) , Sparx Systems architecture and DOORS
• Prior experience of producing clear, user-friendly technical documentation to support the understanding and effective use of business tools will be required

Systems Engineering Transformation Team

By joining us in the team, you will help to deliver a step-change transformation so that complex programmes can be delivered more efficiently, effectively and quickly by embedding Systems Engineering at their heart, underpinned by a modern and tailored Systems Engineering capability. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria.

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 and is vital to the work we do.

We welcome applications from all suitably qualified people, who are BAE Systems employees and have been in their current role for 12 months or longer.

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