Commercial Manager / Senior Quantity Surveyor Derby (Hybrid) Up to £80,000 + 10% Bonus + Company Car/Allowance Own the Commercial Function. Shape the Future. A well-established and growing Fire & Security contractor is seeking a commercially astute Senior Quantity Surveyor ready to step up or an experienced Commercial Manager looking for a role with genuine ownership and autonomy. This is a standalone position with full responsibility for the commercial performance of a busy portfolio of Fire & Security installation projects. You’ll work closely with Project Managers and M&E contractors to ensure contracts are robust, projects remain commercially on track, and revenue is recovered efficiently. We are replacing a long-standing team member due to retirement and are ideally looking for someone to start in April/May to allow a full handover and introduction to systems and live projects. ⚠️ Strong NEC3 contract knowledge is essential (non-negotiable). The Role You’ll oversee the full commercial lifecycle across multiple M&E installation projects covering fire alarm, intruder, and detection systems. Key duties include: Reviewing and managing NEC3 contracts, identifying risks and opportunities Monitoring early warning notices, variations, and change control Managing valuations, applications for payment, and final accounts Working closely wi...