Business Analyst

Amentum is a global leader in engineering, project and programme management, and solutions integration. Built on strong programme and engineering delivery experience, supported by deep specialist capabilities, Amentum is a recognised partner across major UK Government and commercial programmes.

People are at the centre of what we do. We offer a competitive package designed to attract and retain talent. In addition to standard benefits, UK employees receive free single medical cover, digital GP services, enhanced family-friendly policies, employee assistance programmes, and reimbursement for professional development. Our community initiatives include matched-funding schemes, paid volunteering, and charitable contributions.

About the Opportunity:

Amentum are offering an exciting opportunity to join our growing team of IT professionals to work on a range of projects for our diverse client portfolio that covers Critical National Infrastructure, National Security, Defence and Nuclear market sectors. Our team is growing and are we looking for proactive and collaborative professionals of all levels to work within us in providing a range of services to our clients.

With our deep technical, commercial, and strategic expertise we develop solutions that address our client's critical challenges supporting digitalisation and security.

We are looking for a technically focused Business Analyst with experience in digital, data, and enterprise architecture environments. You will support delivery of a UK defence project, operating across the CADMID lifecycle and enabling the development of Defence-wide architecture references, integration frameworks, and data standards.

Key Responsibilities:

• Elicit, analyse, and manage business and technical requirements across Concept, Assessment, Design, and In-Service phases, ensuring traceability to architecture outputs.
• Translate complex business needs into structured artefacts including architecture blueprints, data models, integration patterns, and policy/standards documentation.
• Collaborate with enterprise, solution, and data architects to define Defence-wide reference architectures, integration frameworks, and reusable design patterns.
• Support the development and maintenance of integration policy, standards, and governance aligned with MOD best practice.
• Facilitate workshops, Communities of Practice, and stakeholder engagements to drive alignment across Defence stakeholders and delivery partners.
• Contribute to AI governance principles, data strategy, and horizon scanning activities for emerging technologies.
• Elicit, analyse, and model business processes (As-Is and To-Be) using appropriate techniques (e.g. BPMN), ensuring alignment with business objectives, data flows, and system requirements, and identifying opportunities for continuous improvement and optimisation.

• Strong written and verbal communication skills, including the ability to articulate complex technical concepts to a non-technical audience.
• Strong analytical and problem-solving skills, with the ability to break down complex problems into manageable components.
• Ability to lead, mentor, and collaborate within high-performing teams.
• Strong requirements elicitation techniques (workshops, interviews, stakeholder analysis).
• Excellent stakeholder management skills across technical and non-technical audiences.
• Familiarity with Agile, Waterfall, or hybrid delivery methodologies.

• Minimum 5 years' experience operating as Business Analyst across digital, data, or enterprise level environments.
• Proven experience as a Business Analyst within Defence, ideally supporting MOD (e.g., DE&S, Defence Digital) programmes, and familiarity of JSP
  453 [desirable].
• Experience working across system or service life cycles (e.g. CADMID or equivalent), including requirements management and design phases.
• Strong experience translating business needs into technical artefacts such as requirements specifications, process models, and data flows.
• Experience working in data, integration, or enterprise architecture environments (e.g. supporting architects, modelling data flows, defining interfaces).
• Demonstrable…