Mechanical Design Engineer – Intermediate to Senior​/Principal

Mechanical Design Engineer – Intermediate to Senior/ Principal

Location: Cheshire – Warrington (Office Based / Hybrid)

Duration: Permanent

Employment Type: Full–Time, Permanent

Posted: 12 Jan 2026

Job : PGA/12/01/mech

Salary: GBP
35,000 – GBP
60,000 (depending on experience)

Our client is a well–established building services design consultancy, expanding its Mechanical Engineering team in Warrington and looking for experienced designers ranging from intermediate to senior or principal levels. This team is passionate about delivering comfortable, efficient and sustainable mechanical systems that underpin high–quality built environments.

You'll be involved in the full lifecycle of mechanical building services design, working closely with electrical, public health and BIM teams to deliver coordinated, efficient solutions.

• Mechanical design of HVAC, ventilation, heating and cooling systems
• Producing calculations, reports, specifications and technical drawings
• Developing energy–efficient, practical designs aligned with project objectives
• Coordinating designs across disciplines using BIM–led workflows
• Supporting and mentoring junior engineers (for senior/principal level)
• Contributing to design reviews and client discussions

• Proven experience in mechanical building services design within a consultancy or design led environment
• Solid understanding of UK building regulations, standards and best practice
• Confidence in managing your own design workload and contributing to team delivery
• Strong communication skills and a collaborative mindset
• Experience with Revit/BIM environments is highly desirable

• Projects are properly resourced and well planned, no constant firefighting
• Strong emphasis on engineering quality and sustainability, not just delivery speed
• Engineers are trusted, listened to, and given real ownership of their work
• Clear progression routes for those stepping into senior or principal positions
• A professional, down to earth culture with low staff turnover

• Competitive salary depending on experience and level
• Hybrid working and flexible hours
• Long term career development rather than short term promotion promises

If you're a Mechanical Design Engineer looking for a role where good engineering is genuinely valued, I'd be happy to talk confidentially.