Role: Principal Commercial Officer

Location: Hertfordshire, Hybrid

Salary: Competitive + Bonus + Benefits

This is a great opportunity to join a proactive commercial team supporting early product development, research and technology within the UK defence sector. As a Principal Commercial Officer, you’ll contribute to both winning new business and ensuring the smooth delivery of existing contracts.

Key Responsibilities:

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Lead or support bid activity, including proposal development and internal coordination

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Manage live contracts across their full lifecycle—changes, compliance, issues and documentation

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Support negotiations with customers, suppliers and industry partners

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Build and maintain strong working relationships with internal stakeholders and external customers

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Represent the commercial function in reviews, progress meetings and customer engageme...