Senior / Principal Mechanical Building Services Engineer

Job Title: Senior / Principal Mechanical Building Services Engineer
Location: Glasgow (3 days office / 2 days WFH)
Contract: 12 months | Inside IR35
Rate: -50-60/hr (Senior) | -65-75/hr (Principal)
We''re looking for Mechanical Engineers to join a JV team delivering the Nuclear Technical Support Provider (NTSP) framework - a -(Apply online only)m programme supporting the Clyde Infrastructure Programme (CIP) and wider Royal Navy / MOD projects.
The Role:

• 
  Lead the design & delivery of building services systems (HVAC, water, drainage, fire protection) for nuclear facilities.
• 
  Carry out mechanical calculations, flow analysis, and code-based design.
• 
  Oversee drawings, schematics, schedules, and CAD/Revit models.
• 
  Ensure compliance with nuclear, safety, and engineering standards.
• 
  Collaborate across disciplines & mentor junior engineers.

Requirements:

• 
  Proven building services & HVAC design experience.
• 
  Strong background in mechanical calculations & design to code.
• 
  Sole British nationality (security requirement).