Enterprise Architect Practitioner

Job Title: Enterprise Architect Practitioner

Location: Warton, 3 days per week on site

Salary: From £59,491 (DOE)

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.

From the depths of the ocean, to the far reaches of space, there’s no limit to where a career at BAE Systems could take you.

Job Description:

This role supports the architecture team and business users across the Air Sector, focusing on the design, governance, and development of the Enterprise Architecture repository and models. The Enterprise Architect Practitioner ensures high-quality, consistent architecture artefacts that support decision-making, strategic alignment, and effective IM&T delivery. The role combines hands-on modelling with governance of standards, metamodel design, and repository structure, supporting a broad community of practitioners and stakeholders.

Core duties:

• Develop, maintain and govern enterprise architecture models across business, information, application and technology domains using agreed standards and frameworks
• Lead the design, evolution and governance of the enterprise architecture metamodel, viewpoints, and modelling conventions within the architecture repository
• Act as a senior practitioner, reviewing and assuring the quality, consistency and usability of architecture artefacts
• Support strategic planning, investment decisions and transformation initiatives through clear, accurate and traceable architectural views
• Enable effective use of the architecture repository by defining modelling patterns, guidance, and best practice for the wider architecture community
• Contribute to architecture governance forums, providing expert guidance and influencing key stakeholders across the organisation

Essential Skills:

• Experience in enterprise architecture modelling across multiple domains (business, application, data, technology), using tools such as Bizzdesign or similar
• Working knowledge of architecture frameworks (e.g. TOGAF) and modelling languages such as ArchiMate
• Experience with scripting to query and analyse architecture models
• Ability to assure and enhance the quality of architecture artefacts and repositories within large or complex organisations
• Experience supporting architecture communities of practice or federated modelling communities

The team:

You will join a collaborative architecture community responsible for shaping and governing the enterprise architecture landscape. The team works closely with delivery, business and technology stakeholders to ensure architecture insights enable strategic decision‑making, effective investment, and successful change. This role plays a key part in strengthening architecture capability, consistency and reuse across the organisation, while supporting architects and stakeholders in making effective use of enterprise architecture assets.

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.

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: 7th May 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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