
BAE Systems
Business Domain Architect
Job Description
Salary: £40,000 - 70,000 per year
Requirements:- Experience in a Lead Business Architecture role
- Experience with Enterprise Architecture tools
- Awareness of other architecture domains and how to work together to create an overarching Enterprise Architecture environment
- TOGAF certification, including The Open Group certification in Business Architecture
- Ability to achieve Baseline Personnel Security Standard
- For some roles, higher levels of National Security Vetting may be required, typically involving 5 to 10 years of continuous residency in the UK depending on the vetting level
- Partner with business stakeholders to define and evolve the target business capability model, business process model, and other artefacts in line with enterprise and functional strategies
- Undertake capability maturity assessments and identify opportunities to transform the business operating model, including capabilities, processes, organisational structure, and governance
- Document and maintain the current business architecture and relevant transition states required to realise the desired target state
- Translate the target state architecture into strategic initiatives and roadmaps to transform the business operating model and increase value to customers and other stakeholder groups
- Partner with the wider Enterprise Architecture function and Value Streams to analyse the impact of the target business architecture on data, applications, and infrastructure
- Lead and/or support the development of business cases required to deliver the target business architecture
- Communicate complex architectural concepts and transformation roadmaps to stakeholders at all levels, including executives, business leaders, and IT teams
- Support
- Security
- TOGAF
- Architect
- Network
More:
We are BAE Systems, and this role will be assigned to our Edgewing joint venture in the Reading area, with the possibility of working from any BAE Systems Air site, preferably Frimley. A financial support package may be available to support the assignment, subject to criteria, and a hybrid working policy is in place at Edgewing. By joining Edgewing, you will help shape the company from the ground up, setting foundations for the future and influencing how we work. We unite UK, Italian, and Japanese expertise to drive the future of global defence, with trust at the heart of everything we do. We offer purpose-led careers, lifelong learning, meaningful work, rewards tailored to what matters to you and your family, support for financial and personal wellbeing, a balanced lifestyle, and an inclusive culture where everyone can thrive.
last updated 31 week of 2026
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About BAE Systems

BAE Systems
UK
IT
Skills & Technologies
Inferred from job description
Salary Insight
£55,000
This role
£90,000
UK median
This salary is 39% below the UK median for Architects (£90,000/yr).
Based on 2024–2025 UK technology sector benchmarks