Mechanical Design Engineer (Building Services)

Job Description

Job Title: Mechanical Design Engineer (Building Services)

Location: Postcombe, Oxfordshire

Salary: £45,000 per annum

The Role

• Produce mechanical schematics, layouts, elevations, and detailed drawings using AutoCAD (Revit experience is a bonus).
• Carry out mechanical engineering calculations including heat loss, pipework sizing, and ductwork design using software such as Hevacomp.
• Prepare accurate equipment schedules aligned with Employers’ Requirements and design standards.
• Review and check technical design documents for compliance with Building Regulations and British Standards.
• Identify and address design risks with practical, well-communicated solutions.
• Attend design meetings and liaise with clients, consultants, and contractors.
• Use electronic document management systems to keep documentation organised and up to date.
• Assist in delivering installation-ready Stage 5 designs.

The Company

• Over 20 years delivering Mechanical/HVAC projects throughout the UK.
• Operates across both commercial and residential sectors.
• Office based in Oxfordshire.
• Team of approximately 30 direct employees, including office and site staff.
• Annual turnover around £8.5 million.
• This hire is due to company growth and a strengthened order book.

The Ideal Candidate

• Minimum of 2 years' experience in mechanical building services or HVAC design.
• Proficient in AutoCAD; Revit experience desirable.
• Working knowledge of Hevacomp and familiarity with SAP/SBEM tools.
• Strong understanding of Building Regulations, British Standards, and best practices.
• Experience preparing technical submissions and using document management systems.
• HNC or higher qualification in Building Services Engineering or a related field.
• Excellent communication skills with a proactive, detail-oriented approach.
• Strong IT and organisational skills.

What You’ll Get

• Salary in the region of £45,000
• Company pension scheme
• 21 days holiday + bank holidays
• Private healthcare

Process

1. Apply for the job.
2. We will call you to discuss the role.
3. If you’re a good fit and interested, we’ll submit your details for consideration.
4. If the client is interested, you’ll be invited for a 1–2 stage interview.
5. If successful, you’ll receive a job offer.

Interested?

Please send your CV to l.chapman@vincent-gurney.com

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