Commercial Manager

Commercial Manager / Quantity Surveyor - Fire & Security Systems

Location: Derby - Hybrid

Salary: Competitive in industry

Trinity Fire & Security Systems are seeking an experienced Commercial Manager to own the commercial lifecycle and cost control of fire & security projects-covering pre-contract, contract execution, change management, valuations, final account, and post-project lessons learned.

This dual role combines the strategic, client-facing responsibilities of a Commercial Manager with the analytical, cost-management duties of a Quantity Surveyor, ensuring profitable delivery, contract compliance, and cash certainty across a portfolio of projects (typically major projects and assistance to small works if required).

What you'll be doing

• Lead risk identification and mitigation, interpret specifications/drawings, and select, amend, and negotiate appropriate contract forms (JCT/NEC/bespoke) to secure commercially robust terms.
• Establish and control project budgets and CVRs, manage payments and change control, and maintain all commercial registers to ensure accurate forecasting, compliance, and value protection.
• Measure and value works, reconcile costs, manage interim and final accounts, and optimise margins through productivity validation, value engineering, and procurement efficiencies.

What we're looking for

You might already be a Commercial Manager or Quantity Surveyor - or perhaps a Fire & security professional ready to take the next step. You'll have:

• Proven commercial/QS experience within M&E or Fire & Security, with proven success delivering profitable outcomes under JCT/NEC contracts across complex or multi-site programmes.
• A strong understanding of Commercial law and contract administration.
• Experience with CVR, cash flow, WIP, earned value, forecasting, margin management.

What Trinity Offers

• Competitive base salary.
• 23 days' holiday, increasing with service, plus bank holidays.
• Company vehicle or car allowance.
• Employee Discount Programme - savings across 800+ retailers.
• Pension via Royal London, Life Assurance, and Employee Assistance Programme.
• Referral bonus of up to £2,000.
• Ongoing training and career development opportunities.

Equal Opportunities in Practice

We are committed to equality of opportunity for all staff and applications from individuals are encouraged regardless of age, disability, sex, gender reassignment, sexual orientation, pregnancy and maternity, race, religion or belief and marriage and civil partnerships.

Security Vetting

It is an industry requirement that successful candidates undergo security vetting. Offers of employment are subject to satisfactory vetting and may be withdrawn if the required standards are not met.

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Department Install/Projects - Indirect Locations Derby Remote status Hybrid Employment type Full-time

Trinity Fire and Security provides design, installation and maintenance services for fire alarms, nurse call systems and integrated security solutions.