Senior Mechanical Design Engineer - Building Services

Your new company
A leading specialist contractor delivering high‑performance, technically advanced facilities for some of the most complex and innovation‑driven industries. The business provides end‑to‑end capability across design, construction, and validation of controlled environments, including cleanrooms, laboratories, specialist manufacturing spaces, and mission‑critical technical facilities.

With deep expertise in sectors such as life sciences, pharmaceuticals, medical devices, micro‑electronics, quantum technologies, and advanced research, the company is recognised for its ability to deliver tightly controlled, highly engineered environments where precision, compliance, and reliability are essential. Their integrated team brings together designers, engineers, construction specialists, and validation experts to support projects from early concept through to fully operational delivery.

Your new role
This is an excellent opportunity for an experienced Mechanical Engineer to join a growing engineering team in Glasgow. You will play a key role in delivering mechanical designs, technical support, and engineering solutions across a wide variety of projects, from full-scale refurbishments to highly technical, fast‑paced fit‑out environments. The role is predominantly office‑based with occasional site visits as required.

Main Responsibilities:

• Producing detailed mechanical building services designs across HVAC, hot & cold water, public health, and associated systems.
• Carrying out load calculations, sizing, and equipment selection using industry‑standard software and internal design tools.
• Preparing technical drawings, schematics, and layout information in collaboration with in‑house design teams.
• Liaising with project managers, site teams, subcontractors, and clients to ensure seamless delivery of design intent.
• Conducting site surveys to assess existing installations, identify constraints, and support accurate design development.
• Reviewing and interpreting project specifications, client briefs, and regulatory requirements.
• Supporting tender submissions with technical input and mechanical design information where required.
• Ensuring design compliance with building regulations, industry standards, and best‑practice guidelines.
• Providing engineering support throughout the project lifecycle, including addressing queries during installation stages.

What you'll need to succeed

• Proven experience in mechanical building services engineering within consultancy, contractor, or design & build environments.
• Strong understanding of HVAC, public health systems, and mechanical services design principles.
• Proficiency with design software (e.g., Hevacomp, IES, AutoCAD or similar).
• Excellent technical knowledge, with the ability to produce accurate calculations, specifications, and design documents.
• Strong communication and coordination skills, with the ability to work effectively in a multidisciplinary project team.
• Full right to work in the UK.

What you'll get in return

• Opportunity to join a supportive and growing engineering team with genuine long‑term career progression.
• Competitive salary package and benefits.
• Exposure to diverse, technically challenging projects across Scotland.
• A collaborative, modern working environment that values innovation and continuous improvement.
• Ongoing training and professional development opportunities.

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.

If this job isn't quite right for you, but you are looking for a new position, please contact us using the details below for a confidential discussion about your career:

Email:
Mobile No.:

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