Senior Mechanical Engineer

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.