Mechanical Engineer

Company: Thomas Gray
Apply for the Mechanical Engineer
Location: London
Job Description:

We are working with an established Tier 1 Mechanical, Electrical & Public Health (MEP) contractor seeking an experienced Mechanical Engineer to join their team in London.

The business delivers major M&E packages across high-profile residential and commercial schemes and is expanding its site engineering and project delivery teams.

This position suits a driven Mechanical Engineer with proven contracting experience who wants a long-term role with clear avenues into Senior Mechanical Engineer or Mechanical Project Manager positions.

Key Responsibilities

  • Manage and coordinate mechanical building services packages on major London developments from design coordination through to testing, commissioning and handover.
  • Review and validate technical drawings, specifications, submittals and calculations.
  • Coordinate mechanical services seamlessly with electrical, public health, structural and architectural trades.
  • Manage specialist mechanical subcontractors and plant/equipment suppliers.
  • Monitor installation quality on site to ensure all works align with specifications, Building Regulations and British Standards.
  • Resolve technical engineering challenges and on-site clash issues promptly.
  • Attend regular design coordination, project progress and client-facing meetings.
  • Track programme milestones and support the commercial team with procurement and package scope reviews.
  • Assist with integrated testing, balancing, commissioning and final building handover procedures.

About You

  • Proven background working directly as a Mechanical Engineer for an M&E / building services contractor.
  • Extensive track record delivering sizable mechanical packages within the commercial, residential or mixed-use sectors.
  • Deep technical knowledge of HVAC, pipework, public health interfaces and central plant systems.
  • Strong capability in reading drawings, coordinating spatial layouts and working across BIM/CAD models.
  • Confident communication skills with the ability to lead subcontractor meetings and liaise with consulting engineers.
  • Demonstrable career stability and commitment to long-term professional development.

What’s on Offer

  • Highly competitive salary of up to £90,000 depending on experience, plus package.
  • Direct involvement on flagship London construction schemes.
  • Clear career development pathway towards Senior Engineer and Project Management roles within a leading Tier 1 contractor.

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Posted: October 12th, 2026