Hays Specialist Recruitment Limited
Mechanical Design Engineer – Building Services
Are you an experienced Mechanical Design Engineer with a passion for delivering high-quality M&E solutions across commercial and industrial environments? Do you enjoy working in a fast-paced setting where innovation, precision, and low-carbon design are central to every project? Hays are partnering with a well-established engineering business that is expanding its design team. This is an excellent opportunity to join a forward-thinking organisation delivering complex, sustainable building-services projects across multiple sectors.
About the Employer
- Renewable energy integration
- Low-carbon heating and energy-efficiency solutions
- Decentralised energy and multi-utility networks
- Commercial heating, industrial plumbing, and mechanical engineering
They work across Commercial, Industrial, Education, Housing, and Local Authority, sectors, delivering everything from ASHP systems to high-efficiency commercial plant rooms.
Role Overview
You'll play a key role in design, coordination, and technical delivery while contributing to best practice and supporting junior team members.
- Lead the design, planning, and delivery of mechanical and electrical engineering projects.
- Produce and review technical drawings, calculations, and specifications.
- Conduct site visits and surveys to support design development.
- Coordinate project activities, resources, and programme milestones.
- Prepare high-quality documentation, reports, and technical records.
- Ensure compliance with Health & Safety standards, including RAMS.
- Collaborate with internal teams, subcontractors, and suppliers.
- Apply and develop expertise in ASHP, GSHP, and energy-efficient systems.
- Attend client meetings and provide technical input.
- Support continuous improvement and mentor junior colleagues.
- Perform detailed HVAC calculations (heat loss/gain, ventilation, system sizing).
- Design HVAC systems including ductwork, pipework, plant rooms, and distribution networks.
- Ensure compliance with CIBSE, Building Regulations, BS, and IET Wiring Regulations.
- Undertake mechanical and electrical load calculations (heating, cooling, ventilation, lighting, distribution).
Experience & Qualifications
- Degree in Mechanical Engineering, Electrical Engineering, Building Services Engineering, or similar.
- Strong interest in building services and sustainable energy solutions.
- Excellent understanding of engineering principles.
- Proficient in Microsoft Office and AutoCAD (Revit desirable).
- Strong communication and teamwork skills.
- Highly organised with strong attention to detail.
- Full UK driving licence and right to work in the UK.
What's on Offer
- Competitive salary – Up to £45,000
- Company pension scheme
- On-site parking
- Hybrid working
- Employee discounts
- Additional holiday with length of service
- Ongoing training and professional development
- Clear career progression pathways
- Opportunity to work on large-scale commercial and low-carbon projects
What you need to do now
If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.
If this job isn't quite right for you, but you are looking for a new position, please contact us for a confidential discussion about your career.
Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C's, Privacy Policy and Disclaimers which can be found at hays.co.uk
To apply for this job please visit www.reed.co.uk.
Make this application stronger
Use these quick checks before applying so your CV, interview preparation and job search are better matched to this vacancy.
Before you apply
Check the key details and make sure the role matches what you are looking for.
- Review the job title, company, location, salary and working pattern if provided.
- Check the skills, experience or qualifications requested by the employer.
- Make sure the commute, hours and contract type are realistic for you.
Tailor your CV
For Teaching Jobs, highlight the most relevant skills, experience and achievements linked to this type of work. Keep it honest, clear and focused on what the employer is asking for.
Use the CV Builder or browse Career Advice.
Prepare for interview
If your application is successful, prepare simple examples that show your motivation, strengths and suitability.
Keep searching smarter
Do not rely on one application. Keep searching similar roles and set up alerts so new vacancies reach you faster.