Mechanical Estimator & Bid Manager in London

As a Mechanical Estimator & Bid Manager, you will prepare detailed cost estimates for mechanical services packages, including HVAC, refrigeration, pipework, plumbing and associated systems. You will analyse tender drawings, specifications, schedules and client requirements; carry out detailed take‑offs, cost build‑ups and analytical tasks; source, evaluate and negotiate supplier and subcontractor terms; identify commercial risks, opportunities and value‑engineering opportunities; maintain accurate pricing records, cost data and benchmarking; manage the full bid process from opportunity identification through to submission; prepare, compile and submit compliant tender documentation; coordinate inputs from internal teams and other stakeholders; attend site visits, surveys and pre‑tender meetings; manage post‑tender clarifications, negotiations and finalisations; and ensure effective and structured handover of successful bids to Operations, including scope, pricing assumptions, risks and exclusions.

Responsibilities:

• Prepare detailed cost estimates for mechanical services packages.
• Analyse tender documentation and conduct take‑offs.
• Source, evaluate and negotiate with suppliers and subcontractors.
• Identify commercial risks and opportunities and propose value engineering.
• Maintain accurate pricing records and benchmarking.
• Manage the full bid process from opportunity identification to final submission.
• Coordinate inputs from internal teams and external partners.
• Attend site visits, surveys and pre‑tender meetings.
• Manage post‑tender clarifications and negotiations.
• Ensure structured handover of successful bids to Operations.

Qualifications:

• Proven experience in mechanical estimating within building services, small works, maintenance and Hard FM environments.
• Strong technical understanding of mechanical systems and installation.
• Ability to manage multiple tenders simultaneously with minimal hand‑holding.
• Confident interpreting technical drawings and specifications.
• Strong written and verbal communication and negotiation skills.
• Well organised, prioritise workload and meet deadlines.
• Proactive, solution‑focused and detail‑oriented.
• Good command of English.
• Professional, optimistic, helpful.
• Reliable, flexible and responsible with strong work ethic.

Specialists in Heating, Ventilation, Cooling (HVAC), Air Source Heat Pumps, Refrigeration, Design & Consultation. Our client is a well‑established, reputable business with a diverse range of clients, including educational institutions such as colleges and schools, cultural venues like theatres, recreational facilities and specialist environments such as laboratories.