Model- Systems Engineering Lead

Job Description

Lead MBSE Engineer – responsible for owning the Model‑Based Systems Engineering (MBSE) strategy for the STEP (Spherical Tokamak for Energy Production) programme, delivering a transformational MBSE capability and ensuring its integration across the organisation and its partners.

• Define the MBSE capability future state and develop a clear MBSE vision, implementation strategy, and roadmap.
• Own MBSE capability definition across people, process and tools; establish competency frameworks, role profiles, and training pathways.
• Define and govern MBSE policy, standards, and conventions; approve deviations and ensure compliance.
• Establish model quality criteria (traceability, completeness, usability) and approve models for decision‑making and programme assurance.
• Implement and continuously improve the MBSE framework, reusable models, templates, and tool chains.
• Support and influence delivery teams to embed MBSE into their plans and drive continuous improvement through lessons learned.
• Act as the authoritative voice on MBSE methods, coach and mentor engineers, and represent the organisation in external forums.
• Build and sustain communities of practice and champion MBSE across the organisation.

Essential:

• Relevant degree in a recognised STEM subject.
• Professional registration as a Chartered Engineer with a recognised engineering institution.
• Experience defining and embedding new capabilities in organisations.
• Demonstrable expertise in MBSE tools, languages and frameworks.
• Experience in defining and enforcing policies, standards and conventions.
• Significant knowledge of Systems Engineering and the ability to apply it pragmatically.
• Exemplary communicator with strong evidence of the ability to influence diverse stakeholders.

Beneficial:

• Membership of the Institute for Systems Engineering (MIfSE).
• Systems Engineering Professional accreditation (ASEP/CSEP).
• OMG‑Certified Systems Modeling Language Professional certification (e.g. SysML Model Builder).
• Experience using Dassault Systemes 3DS tools, specifically Catia Magic and 3DX.

• Base salary: £64,115 per annum.
• Specialist allowance: £7,700 (non‑contractual, non‑pensionable).
• Exceptional pension scheme and other benefits (details available on request).
• Flexible working (3 days onsite per week, plus flexible options).

• We welcome applications from under‑represented groups, including women in STEM, Black and ethnic minority backgrounds, and individuals with disabilities.
• Employees will need to complete an online Baseline Personnel Security Standard (BPSS) and Disclosure & Barring Service (DBS) checks; SC clearance may be required in future.
• Closed to applications after 3 June 2026.