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Data Centre/Mission Critical Specialist at TGS

Role: Senior Mechanical Design Engineer (Level 1–3)

Location: Edinburgh

Type: Permanent/Full-time

We’re working with a respected consultancy looking to expand their mechanical design team across multiple seniority levels. Whether you’re stepping up into a senior role or already leading complex design packages, this is a fantastic opportunity to work on high-quality, sustainability-led building services projects across the UK and Ireland.

What you’ll be doing:

• Taking ownership of mechanical design packages for sectors like commercial, healthcare, education, and industrial
• Designing mechanical systems including HVAC, LTHW/CHW, VRF, domestic hot/cold water, and renewable technologies (e.g., heat pumps, CHP)
• Carrying out detailed mechanical calculations — ductwork, pipework, pumps, fans, and plant selection
• Producing schematics, layouts, technical drawings, and specifications using industry-standard software
• Coordinating with other disciplines (electrical, public health, structural, architectural) to deliver fully integrated designs
• Attending client meetings, technical reviews, and supporting site visits and inspections
• Supporting or mentoring junior engineers depending on your experience level

What we’re looking for:

• 5–10+ years of UK-based experience in mechanical building services design (depending on level)
• Strong understanding of CIBSE Guides, Building Regulations Part L, and BREEAM/LEED principles
• Hands-on experience with:
• Hevacomp for HVAC/load sizing
• IES VE for thermal modelling and compliance
• Revit MEP / MagiCAD for 3D design and BIM coordination
• Microsoft Excel and in-house tools for calculations
• Proven ability to deliver coordinated designs across project stages
• Excellent communication skills — verbal, written, and visual
• A degree in Mechanical or Building Services Engineering
• Chartered or working towards CEng with CIBSE or IMechE

Bonus if you have

• Knowledge of lifecycle carbon analysis (e.g., CIBSE TM65)
• Experience working on projects in Ireland (TGD Part L)
• Experience with commissioning and site support
• Understanding of RIBA stages and BIM Level 2 (ISO 19650)

Seniority level

• Seniority level

  Not Applicable

Employment type

• Employment type

  Full-time

Job function

• Job function

  Engineering, Project Management, and Other

• Industries

  Construction, Building Construction, and Engineering Services

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