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Senior Mechanical Engineer 
Location: London (Hybrid – 3 days in office, 2 days remote) 
Salary: £50,000 – £60,000 per annum 
Type: Full-time, Permanent 
Sector: Building Services and Environmental Design 

A respected building services and environmental design consultancy based in central London is seeking a Senior Mechanical Design Engineer to join their growing team. 

This is a great opportunity for an experienced engineer to lead mechanical design on a range of high-quality, sustainability-focused projects. The role involves delivering detailed design packages, coordinating with external consultants, and guiding junior engineers through each stage of the project lifecycle. 

The consultancy has built a strong reputation for technically excellent, environmentally responsible design, with a collaborative, people-focused approach. Projects span residential, commercial and cultural sectors in both the UK and internationally. 

Key responsibilities include: 

Leading mechanical design across multiple projects 

Carrying out thermal calculations, energy modelling, plant sizing and carbon assessments 

Producing detailed design reports, drawings, specifications and schedules 

Coordinating with external design teams and internal MEP disciplines 

Attending design team meetings and conducting site inspections 

Mentoring and delegating to junior engineers 

Ensuring compliance with all relevant standards and regulations 

Essential requirements: 

Minimum 4 years' experience in mechanical building services design 

Degree in Mechanical Engineering, Building Services Engineering or similar 

Proficient in thermal modelling (e.g. IES), AutoCAD and ideally Revit 

Strong understanding of building regulations, British Standards and CIBSE guidance 

Awareness of CDM responsibilities and sustainable design principles 

Excellent written and verbal communication skills 

Strong organisational and leadership qualities 

Working towards chartership (CIBSE or IMechE) 

Benefits include: 

Competitive salary of £50,000 – £60,000 depending on experience 

Flexible hybrid working (3 days office / 2 days from home) 

Support for chartership and continued professional development 

Collaborative and relaxed working environment 

Opportunities to work on innovative, design-led projects 

This is an ideal role for a motivated engineer looking to take the lead in a consultancy where technical quality, design integrity and sustainability are core values. 

To apply or find out more, please contact David Hilditch at RGB Network