Senior Mechanical Design Engineer - Data Centres & Critical Infrastructure

Location: Newcastle

Employment Type: Permanent

Salary: Competitive, based on experience

Red Sky Personnel is recruiting on behalf of a specialist engineering firm delivering cutting-edge solutions across critical infrastructure and data centre environments. We are seeking a Senior Mechanical Design Engineer to join their growing team in Newcastle.

This is a fantastic opportunity to play a key role in the design and development of high-resilience mechanical systems in some of the most demanding and technically advanced environments in the UK.

Key Responsibilities:

Mechanical Design & Development

Lead the design of close-control cooling (CRAC/CRAH), chilled water systems, DX cooling, ventilation, and energy-efficient solutions.
Produce mechanical designs from concept to detailed stages (RIBA 2-5).
Ensure designs meet UK Building Regs and standards including CIBSE, ASHRAE, and BSRIA.
Focus on energy efficiency, resilience, and sustainability.
Site Surveys & Assessments

Conduct detailed mechanical surveys and assess system performance.
Identify inefficiencies, single points of failure, and recommend system upgrades.
Contribute to refurbishment scoping and technical feasibility reviews.
Analysis & Reporting

Produce technical reports, energy models, and feasibility studies.
Deliver Total Cost of Ownership (TCO) and carbon impact assessments.
Recommend carbon reduction and energy-saving strategies.
Collaboration & Project Support

Coordinate with electrical and CSA teams for integrated solutions.
Support tender designs, supplier due diligence, and technical vetting.
Deliver construction-ready Stage 4 & 5 design packages.
Provide on-site technical input and commissioning support as required.
Innovation & Standards

Stay current with low-carbon technologies and best practices.
Drive continuous improvement in design quality and project delivery.
Ensure compliance with industry standards and maintain detailed documentation.
Requirements:

Degree-qualified in Mechanical or Building Services Engineering.
Proven experience in critical environments such as data centres or large M&E infrastructure.
Strong working knowledge of HVAC, chilled water, ventilation, and DX systems.
Proficient in AutoCAD, Revit, and energy modelling tools like IESVE.
Excellent technical writing, analysis, and reporting skills.
Understanding of commissioning, lifecycle costing, and carbon analysis.
Strong communication skills and a collaborative approach.
Why Apply?

Work on high-impact, future-ready infrastructure projects.
Join a technically strong and passionate engineering team.
Be part of a company driving sustainability and innovation in M&E design.
Competitive salary and long-term career progression opportunities.
If you're a forward-thinking Mechanical Design Engineer ready to work on exciting, complex projects, apply now to join a leading name in critical infrastructure design