Principal Commercial Officer Location - Oppotunities in Hertfordshire or Bristol Copello is supporting a leading defence organisation in the recruitment of a Principal Commercial Officer. This role offers the exciting chance to work in a business-critical area, directly influencing the future of UK defence domains. This role is ideal for candidates with 2+ years experience looking for career development within an exciting, global company. Salary offered will reflect level of experience. The Role: As a Principal Commercial Officer, you will be responsible for: Leading and managing commercial activities across the full project lifecycle Developing, negotiating, and managing high-value contracts and subcontracts Providing strategic commercial advice to internal stakeholders Ensuring compliance with relevant regulations, governance, and procurement policies Managing risk, supporting pricing strategies, and overseeing bid governance What We re Looking For: Proven experience in a senior or principal-level commercial role A background in defence, aerospace, nuclear, or another regulated industry Strong knowledge of contract law and negotiation, ideally with experience in DEFCONs or equivalent frameworks Ability to work effectively with multiple stakeholders in a complex environment Eligibility for security clearance may be required What s on Offer: The opportunity to influence the nations critical defence programmes Career development in a supportive and collaborative envir