Principal Commercial Officer

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: * Lead or support bid activity, including proposal development and internal coordination * Manage live contracts across their full lifecycle—changes, compliance, issues and documentation * Support negotiations with customers, suppliers and industry partners * Build and maintain strong working relationships with internal stakeholders and external customers * Represent the commercial function in reviews, progress meetings and customer engagements * Provide clear reporting on your portfolio to senior management * Maintain commercial systems, records and best practice processes * Work effectively under pressure and to deadlines Principal Commercial Officer Requirements: * Strong negotiation capability and confident communication skills * Experience handling complex or high-value contracts * Good understanding of contract law, liabilities and risk management * Ability to draft and amend terms and conditions * Knowledge of IP protection and awareness of export/import controls * Familiarity with pricing and costing models * Strong process management and ability to drive change * Effective team player with the ability to influence stakeholders * Good IT skills, including SAP and standard business tools What’s on offer: * Competitive salary and performance based bonus. * Competitive pension and comprehensive benefits package. * Flexible and hybrid working arrangements. * Overtime +££ * Enhanced parental and family leave options. * Excellent site facilities including subsidised meals and free parking. * Support for professional development