Hybrid Quantity Surveyor​/Estimator

Hybrid Quantity Surveyor / Estimator

MJM Industrial Ltd – Colnbrook/Heathrow & project sites. Permanent, Full‑time.

Base pay: £50,000 – £70,000 (DOE). This role is central to our commercial success, requiring someone who can price work accurately, win work competitively, and control cost and margin throughout delivery under NEC4 contracts (Options A &

E). It is a practical, delivery‑focused role suited to a commercially minded individual who thrives in a fast‑paced SME environment and is comfortable owning work from enquiry through final account.

• Pre‑Contract / Estimating
  • Prepare accurate and competitive estimates for projects ranging from £500k to £2m+.
  • Carry out take‑offs and measurements from drawings, specifications, schedules and site visits.
  • Price works across multiple disciplines including electrical & mechanical engineering, small civils and enabling works, fabricated metalwork (non‑machining), refurbishment and maintenance works.
  • Develop client quotations aligned to MJM’s commercial and margin targets.
  • Obtain, assess and negotiate subcontractor and supplier quotations.
  • Identify commercial risks, assumptions and opportunities within tender submissions.
  • Attend site visits, pre‑bid meetings and client meetings, including within the Heathrow estate.
  • Manage multiple tender enquiries simultaneously, ensuring speed, accuracy and consistency.
  • Maintain and develop MJM’s cost database, rate libraries and estimating templates.
  • Support continuous improvement of estimating processes and systems.
• Post‑Contract / Quantity Surveying
  • Provide commercial support to Project Managers and Directors during delivery.
  • Administer contracts under NEC4 (primarily Options A &
    
    E), including early warnings, compensation events, change management.
  • Prepare and submit applications for payment.
  • Assess subcontractor applications and manage payments and final accounts.
  • Track and control project costs, maintaining CVRs and forecasts.
  • Manage variations, compensation events and commercial correspondence.
  • Support negotiation and agreement of final accounts.
  • Monitor and report on project profitability, cash flow and risk.
  • Maintain accurate commercial records in line with MJM’s ISO 9001 Quality Management System.
• Stakeholder & Team Support
  • Work closely with Project Managers, Engineers, Site Teams, Directors, Clients and supply chain partners.
  • Provide timely commercial updates and insights to support sales, delivery and margin growth.
  • Maintain a professional, client‑focused approach, particularly in live operational environments such as Heathrow.
  • Contribute positively to team culture with a can‑do, solution‑focused attitude.

• Minimum 5 years’ experience in a QS, Estimator or hybrid commercial role.
• Proven experience preparing estimates and managing costs on live projects.
• Strong working knowledge of NEC4 contracts, especially Options A and
  
  E.
• Experience working on M&E, construction, civils, refurbishment or maintenance projects.
• Ability to read and interpret drawings, specifications and contract documents.
• Strong commercial and numerical skills with high attention to detail.
• Proficient in Microsoft Excel, Word and estimating/cost management tools.
• Ability to manage multiple projects and tenders concurrently.
• Confident communicator with clients, subcontractors and internal teams.
• Self‑motivated and able to work autonomously within a small team.

• Heathrow or airport environment experience (airside or landside).
• Familiarity with framework or term maintenance contracts.
• Experience working in an SME or specialist contractor environment.
• Knowledge of electrical or mechanical services pricing.
• Progression toward RICS or equivalent professional qualification.

• Accuracy and consistency of estimates.
• Tender turnaround times.
• Contribution to winning work and margin protection.
• Profitability and cost control of delivered projects.
• Quality of commercial reporting and documentation.
• Client satisfaction and repeat business.
• Effective support to Project Managers and Directors.

• A positive, energetic and driven mindset.
• Commercial awareness and accountability.
• Adaptability and resilience in a live operational environment.
• Clear communication at all levels.
• Strong work ethic and pride in delivering quality outcomes.
• A collaborative, team‑first approach.

• Varied and interesting work across the Heathrow estate and beyond.
• Exposure to electrical, mechanical, civils, fabrication and refurbishment projects.
• Real responsibility and influence in a growing, respected business.
• Opportunity to shape commercial processes and grow with the company.
• Supportive, professional team environment.