Senior Mechanical Design Engineer

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Job Title: Mechanical Design Engineer
Company: MEPH Contractor
Job Type: Full-Time | Permanent
Salary: Competitive, based on experience
Start Date: ASAP

The company
A leading MEPH contractor based near Cirencester, specialising in mechanical, electrical, and HVAC installations across commercial, industrial, and public sector projects. Known for their high standards, technical expertise, and commitment to delivering energy-efficient, sustainable building solutions.
As they continue to grow, they are looking for a talented Mechanical Design Engineer with a strong HVAC focus to support their expanding project portfolio.
Role Summary:
The Mechanical Design Engineer will take ownership of the mechanical (HVAC) design aspects of building services projects from concept to completion. You’ll work closely with our in-house delivery team and external consultants to ensure systems are designed efficiently, meet client requirements, and comply with relevant standards.
Key Responsibilities:

* Design and specification of HVAC systems including ventilation, heating, cooling, and air conditioning for commercial and public buildings

* Produce technical schematics, layout drawings, and schedules using AutoCAD and/or Revit

* Conduct thermal load calculations, duct and pipe sizing, and equipment selection

* Liaise with architects, consultants, and subcontractors to coordinate design intent and installation practicalities

* Carry out site surveys and attend design team/client meetings

* Ensure compliance with current regulations including CIBSE guides, British Standards, and Building Regulations

* Provide technical support during installation and commissioning phases

Required Skills & Experience:

* HNC/HND or degree in Mechanical Engineering or Building Services Engineering

* 3+ years of experience in mechanical/HVAC design within the building services industry

* Strong working knowledge of HVAC system design principles and low carbon technologies

* Proficient in AutoCAD and at least one HVAC calculation software (Hevacomp, IES, etc.)

* Familiarity with UK building regulations and industry best practices

* Strong communication and organisational skills

Desirable:

* Experience with Revit MEP and BIM coordination

* Knowledge of LTHW, CHW, VRF/VRV, and natural ventilation systems

* Experience in delivering designs for sectors such as healthcare, education, or commercial offices

* Working towards or already achieved chartership (CIBSE or IMechE)

What We Offer:

* Competitive salary and annual bonus

* 25 days holiday + bank holidays

* Pension scheme

* CPD and training opportunities

* A supportive, growing company with a strong team culture
Apply
Location:
Gloucester
Salary:
£55,000 - £60,000 /annum
Job Type:
FullTime
Category:
Engineering

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