Mechanical Design Engineer

  • Options Resourcing Ltd
  • Oxford, Oxfordshire
  • 13/03/2026
Full time Construction Project Manager Architect and Design Mechanical / Electrical Engineer

Job Description

Mechanical Design Engineer - Building Services

Location: Midlands / Hybrid Working
Salary: Competitive + Benefits

An established and growing building services engineering contractor is seeking a Mechanical Design Engineer to join its expanding design team. The business delivers mechanical and electrical design and installation services across a wide range of sectors including commercial, leisure, education, industrial, and large-scale development projects across the UK.

This is an excellent opportunity for a mechanical engineer to play a key role in the design and delivery of complex building services projects within a collaborative and supportive engineering environment.

The Role

As a Mechanical Design Engineer, you will be responsible for contributing to the mechanical design of building services systems from concept through to construction. You will work closely with project managers, site teams, and external consultants to ensure designs are practical, efficient, and delivered on schedule.

Key Responsibilities

  • Assist in the design and development of mechanical building services systems including HVAC, heating, ventilation, and domestic water services

  • Produce detailed mechanical calculations, specifications, and technical reports

  • Prepare and coordinate mechanical drawings and BIM models using industry-standard design software

  • Liaise with internal project teams, contractors, and external consultants to coordinate services design

  • Provide technical support to project delivery and site installation teams

  • Attend design meetings and contribute to project planning and coordination

  • Support and collaborate with engineers within the design team

  • Ensure designs comply with relevant regulations, standards, and sustainability targets

Requirements

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

  • Experience in mechanical design within the building services sector

  • Strong knowledge of HVAC systems, heating and cooling plant, and ventilation design

  • Experience producing mechanical calculations and technical specifications

  • Familiarity with industry design software such as CAD and BIM tools

  • Strong communication and coordination skills

  • Ability to manage multiple tasks and work within project deadlines

Desirable

  • Progress toward professional chartership

  • Experience working within a design-and-build or contractor environment

  • Knowledge of energy-efficient and low-carbon building systems

What's on Offer

  • Competitive salary and benefits package

  • Hybrid working options

  • Opportunities to work on large and high-profile construction projects

  • Career progression within a long-established and growing engineering business

  • Support for professional development and chartership

If you are a Mechanical Design Engineer looking to further develop your career and contribute to delivering complex building services projects, we would welcome your application.

Click apply now! Or for further information please call Millie (phone number removed), alternatively send an email removed)