_{06th November, 2026}

Mechanical Design Engineers - All Levels
Location: Central London
Salary: Up to £50,000 - Intermediate | Up to £60,000 - Senior | Up to £75,000 - Principal
 
The Role
We are working with an established building services consultancy based in Central London that is expanding its mechanical design team and is looking to appoint Mechanical Design Engineers at Intermediate, Senior and Principal level.
This is an excellent opportunity for engineers looking to join a consultancy where they can take responsibility for technically challenging building services projects, with the level of responsibility and salary reflecting your experience.
Whether you're an Intermediate Engineer looking to develop your design experience, a Senior Engineer ready to take greater responsibility for projects, or an experienced Principal Engineer looking for a technical and project leadership position, there are opportunities available.
 
What You'll Be Doing
Depending on your level of experience, you will be involved in:

• Developing mechanical designs from concept through to detailed design
• Producing mechanical calculations, drawings, specifications and technical schedules
• Designing building services systems including HVAC, heating, cooling, ventilation and domestic water
• Carrying out system calculations, equipment sizing and plant selection
• Considering low-carbon technologies, energy efficiency and sustainability within designs
• Using AutoCAD and Revit to produce and develop design information
• Using relevant mechanical design and thermal modelling software
• Coordinating designs with electrical engineers, architects, structural engineers and other members of the design team
• Liaising with clients, contractors, manufacturers and other project stakeholders
• Attending design meetings and site visits
• Supporting and mentoring junior engineers where appropriate

At Senior and Principal level, you will take increasing responsibility for leading design packages, coordinating projects and supporting junior engineers.
At Principal level, you will also take responsibility for project leadership, resources, fees and client relationships, acting as a key point of contact across multiple projects.
 
What We're Looking For
We're interested in speaking with building services mechanical design engineers at all levels, from experienced Intermediate Engineers through to Senior and Principal Engineers.
 
You should have:

• Building services mechanical design experience
• Experience working on projects from concept through to detailed design
• Strong knowledge of mechanical building services design and calculations
• Experience with HVAC, heating, cooling, ventilation and domestic water systems
• Experience with AutoCAD and Revit
• Knowledge of relevant Building Regulations, British Standards and CIBSE guidance
• An understanding of sustainability and low-carbon building design
• Good communication and coordination skills
• A relevant Mechanical Engineering or Building Services Engineering degree

For Senior and Principal positions, experience leading projects, coordinating design teams and mentoring junior engineers is required.
 
CIBSE membership and progression towards chartership is desirable.
 
Salary & Benefits

• Intermediate: up to £50,000
• Senior: up to £60,000
• Principal: up to £75,000
• 24 days annual leave + bank holidays
• Hybrid working available following successful completion of probation

Apply Today
 
If you're an experienced Mechanical Design Engineer looking for your next opportunity in Central London, we'd like to hear from you.
 
Apply today with your CV or get in touch to discuss the opportunity in more detail.
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