Senior or Principal Mechanical Design Engineer

Eden Brown; Greater London; Hybrid; GBP 63,000 - 75,000; Full time

Job summary

A well-established building services consultancy is seeking a Senior or Principal Mechanical Design Engineer in London to lead mechanical design projects. Responsibilities include technical leadership and managing design activities across commercial and residential sectors. Candidates should have a degree in Mechanical Engineering and significant experience in building services, along with strong communication skills. This role offers a competitive salary up to £75,000, a hybrid working model, and opportunities for professional development.

Benefits

Competitive salary

Hybrid working model

Professional development support

Diverse range of projects

Qualifications

• Degree-qualified in Mechanical Engineering or related discipline.
• Chartered Engineer status (CEng) or working towards Chartership.
• Significant experience in mechanical building services projects.
• Understanding of UK Building Regulations and sustainable design practices.

Responsibilities

• Lead mechanical design process on various projects.
• Manage design activities from concept to completion.
• Ensure design quality and compliance with standards.
• Provide guidance to project and design engineers.
• Contribute to project planning and delivery timelines.
• Liaise with clients and multidisciplinary teams.

Skills

Mechanical design

Project leadership

Client engagement

Communication

Team coordination

Education

Degree in Mechanical Engineering or related field

Chartered Engineer status or working towards Chartership

Job description

Senior or Principal Mechanical Design Engineer

Location: London (Hybrid – 3 days in office, 2 days remote)

Salary: Up to 75,000 per annum

About the company

Our client is a well‑established building services consultancy based in London, recognised for delivering high‑quality engineering design solutions across the commercial fit out, residential, and educational sectors. Following a recent partnership with a data‑specialist consultancy, the business has expanded its portfolio to include data centre projects, further enhancing its technical expertise and market presence. This is an excellent opportunity to join a growing team that values technical excellence, collaboration, and innovation within a supportive and progressive environment.

The role

As a Senior or Principal Mechanical Design Engineer, you will take a lead role in the delivery of mechanical design solutions across a range of building services projects. You will be responsible for technical leadership, design management, and coordination, as well as supporting the development of junior engineers within the team.

Key responsibilities

• Leading the mechanical design process across commercial, residential, educational, and data centre projects.
• Managing and coordinating design activities from concept through to completion.
• Ensuring design quality and compliance with relevant standards, regulations, and client requirements.
• Providing technical guidance and mentorship to project and design engineers.
• Contributing to project planning, resource management, and delivery timelines.
• Liaising effectively with clients, contractors, and multidisciplinary design teams.

About you

The successful candidate will be an experienced and driven mechanical design engineer with a proven track record in building services consultancy environments. You will demonstrate strong technical capability, project leadership skills, and a collaborative approach to design and delivery.

Essential skills and experience

• Degree‑qualified in Mechanical Engineering, Building Services Engineering, or a related discipline.
• Chartered Engineer status (CEng) or working towards Chartership.
• Significant experience in the design and delivery of mechanical building services projects.
• Comprehensive understanding of UK Building Regulations, standards, and sustainable design practices.
• Excellent communication, coordination, and client engagement skills.
• Experience in leading multidisciplinary design teams.

What's on offer

• Competitive salary of up to 75,000 per annum, depending on experience.
• Hybrid working model – three days in the London office and two days working remotely.
• Opportunity to work on a diverse range of projects, including data centres and commercial developments.
• Professional development and support towards achieving or maintaining Chartership.
• A collaborative and forward‑thinking working environment.

To apply

If you are an experienced Mechanical Design Engineer seeking to progress into a Senior or Principal role, within a growing and dynamic consultancy, please send your CV to (url removed), for consideration.

Eden Brown is committed to equality in the workplace and is an equal opportunity employer.