Mechanical Estimator Ventilation

Position: Mechanical Estimator - (Ventilation) (Permanent)
We are seeking an experienced Mechanical Estimator to produce accurate, competitive tenders and budgets for ventilation and associated mechanical systems on data centre and commercial property projects. The role involves detailed take-offs from drawings, obtaining and analysing supplier/subcontractor quotations, and working closely with design, project management, and commercial teams. You will help ensure our bids are technically robust, commercially competitive, and aligned with client specifications and industry standards.

Responsibilities:

Prepare detailed mechanical and ventilation estimates from MEP drawings, specifications, and BIM models.
Complete material and labour take-offs for ductwork, air handling units, fans, dampers, grilles, supports, and associated equipment.
Develop cost build-ups, including preliminaries, plant, labour, and subcontractor elements.
Obtain, evaluate, and negotiate quotations from suppliers and specialist subcontractors.
Identify value engineering options while maintaining performance, resilience, and compliance requirements.
Clarify scope, exclusions, and assumptions in proposals and tender submissions.
Attend pre- and post-tender meetings, providing technical and commercial input.
Liaise with design/engineering teams to resolve queries and align estimates with design intent.
Support handover to project delivery teams, including cost breakdowns and risk registers.
Maintain and update unit rates, cost databases, and benchmarking information.

Required Qualifications:

Degree/HNC/HND in Mechanical Engineering, Building Services, or related field (or equivalent experience).
Proven experience (typically 3-5+ years) as a Mechanical or HVAC Estimator.

Experience with ventilation/HVAC projects in commercial, residential and data centres.
Strong ability to read and interpret MEP drawings, specs, and schedules.
Proficiency with MS Excel and estimating/take-off software.
Strong numerical, analytical, and commercial skills.
Excellent communication and stakeholder management skills, with attention to detail and deadlines.

Preferred Qualifications:

Experience with BIM-based take-off tools and 2D/3D platforms (e.g., Revit, AutoCAD, Navisworks, Plan Swift, Trimble, or similar).
Knowledge of relevant standards and guidelines (e.g., ASHRAE, CIBSE, local building regulations).
Background in high-availability environments (tiered data centres, critical facilities, hospitals, etc.).
Familiarity with energy efficiency and sustainability frameworks (e.g., LEED, BREEAM).

Working Conditions:

Home based role with regular coordination meetings with the main head office in London; occasional/site visits to commercial properties.
May require occasional travel to client and supplier offices.

Performance Metrics:

Accuracy of estimates vs. actual project costs.
Bid success/hit rate on targeted opportunities.
Timely submission of tenders and budgets.
Quality and clarity of proposals and handover documentation.

This is an established company with a long standing reputation for their quality of work with prestigious clients. Its an opportunity to join the company at a stage where they are expanding in to other commercial markets and have a great workflow. They are offering a competitive salary commensurate with experience, plus travel costs to sites, Pension and Holiday