Senior Mechanical Design Engineer

  • TLG Infrastructure Limited
  • Basildon, Essex
  • Oct 01, 2025
Full time Construction Architect and Design Mechanical / Electrical Engineer

Job Description

Senior Mechanical Design Engineer - Building Services
Location: Essex (Hybrid options available)
Salary: Up to 90,000- 95,000 + Benefits (DOE)

A leading Building Services Engineering Contractor based in Essex is seeking a highly skilled Senior Mechanical Design Engineer to join their growing design team. With a strong pipeline of projects across the commercial, education, and healthcare sectors, this is an excellent opportunity for a technically strong, client-focused engineer looking to progress within a forward-thinking business.



The Role

  • Lead the mechanical design process across a variety of building services projects.

  • Produce detailed mechanical building services designs using Hevacomp and other industry-standard software.

  • Collaborate with clients, contractors, and project teams to deliver efficient, compliant, and sustainable design solutions.

  • Review designs, calculations, and technical submissions to ensure accuracy and best practice.

  • Mentor junior engineers and contribute to team development.

  • Work across full project lifecycle, from concept and feasibility through to handover.



About You

  • Degree qualified in Mechanical Engineering or Building Services (or equivalent experience).

  • Significant experience in mechanical building services design within the UK construction industry.

  • Proficiency in Hevacomp and a good understanding of other relevant design software (e.g. IES, AutoCAD, Revit).

  • Strong technical knowledge across commercial, education, and healthcare projects.

  • Excellent communication and leadership skills, with the ability to represent the company at client and design team meetings.



What's On Offer

  • Highly competitive salary up to 95,000 (DOE) plus comprehensive package.

  • Exciting, varied project portfolio across multiple sectors.

  • Clear career progression within a respected and expanding contractor.

  • Collaborative working environment with opportunities to innovate and influence design standards.

How to Apply
If you are a driven Senior Mechanical Design Engineer looking to take the next step in your career with a respected contractor, please apply today or get in touch for a confidential conversation.