Principal Consultant

Gregory-Martin International • Winchester, Hampshire, United Kingdom • Posted June 07, 2026

Location Winchester, Hampshire
Job Type Full-time
Category management
Posted June 07, 2026
Principal Consultant – MOD, Defence, Government

Location - Winchester, Hampshire / Hybrid role

Salary: £70,000 to £90,000 plus bonus, medical, life insurance

The Opportunity

Our client is looking for a positive and enthusiastic Principal Consultant with demonstrable experience in developing Cat A 5-case model Business Cases within UK Ministry of Defence (MOD) and Government (Navy, Submarine, Army). This role combines a sound knowledge of consultancy delivery with strategic business case leadership, focussing on the strategic case and economic case, optioneering, evidence and approvals. It is an excellent opportunity to become a key member of a small, agile, and growing consultancy working at the heart of Defence transformation.

You will have excellent communication and interpersonal skills , strong stakeholder engagement skills and able to build collaborative relationships

You will work in a dynamic team with consultants, analysts and senior MO...

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