Senior Mechanical Design Engineer

Ignite Recruitment; England; On-site; GBP 72,000 - 88,000; Full time

Job summary

A leading building services contractor in London is seeking a Senior Mechanical Design Engineer to lead the mechanical design delivery on residential developments. The role involves producing compliant designs, mentoring team members, and ensuring adherence to standards. Candidates should have a degree in Building Services or Mechanical Engineering and extensive mechanical design experience. Offering a competitive salary up to £80,000 and opportunities for career progression.

Qualifications

• Extensive experience in mechanical design for residential or mixed-use developments.
• Strong knowledge of HVAC systems and modern low-carbon technologies.
• Excellent coordination and communication skills.

Responsibilities

• Lead the mechanical design delivery on new residential developments.
• Ensure compliance with CIBSE standards and Building Regulations.
• Provide technical leadership and mentoring within the design function.

Skills

Mechanical Design

HVAC Systems

Stakeholder Management

Building Services

Low-Carbon Strategies

Education

Degree or HNC/HND in Building Services or Mechanical Engineering

Job description

Senior Mechanical Design Engineer – Building Services | London – Up to £80,000 + Package

Are you a Mechanical Building Services Design Engineer ready to take the technical lead on high‑quality residential developments?

This is an exciting opportunity to join a leading, family‑run building services and construction contractor renowned for delivering sustainable, design‑led housing schemes across London and the South East.

The Role

You’ll lead the mechanical design delivery on two new‑build residential developments (106 and 72 units) progressing through RIBA Stages 3–4. Working closely with internal design teams, architects, and external consultants, you will be responsible for producing efficient, compliant and buildable mechanical solutions.

Key responsibilities

• Taking ownership of the full mechanical design package from concept to detailed design
• Producing and reviewing technical drawings, specifications and coordinated layouts
• Ensuring compliance with CIBSE standards and Building Regulations
• Developing low‑carbon strategies, including communal ASHP systems in line with CIBSE CP1
• Supporting design coordination and buildability reviews with construction teams
• Providing technical leadership and mentoring within the design function

About you

• Degree or HNC/HND in Building Services or Mechanical Engineering
• Extensive experience in mechanical design for residential or mixed‑use developments – essential
• Strong knowledge of HVAC systems, ASHP systems, CIBSE CP1 and modern low‑carbon technologies
• Excellent coordination, communication and stakeholder management skills
• Confidence producing detailed technical information and design deliverables

What’s on Offer

• Opportunity to lead key residential schemes from design through delivery
• Join a respected, design‑focused contractor that values innovation and quality
• Work within a collaborative, family‑driven culture offering autonomy and progression
• Competitive salary up to £80,000 and long‑term career stability

Important information

• Candidates must have proven UK building services residential design experience.
• No visa sponsorship can be offered for this role.
• This is not a hybrid role and will require 4‑5 days a week in office.

Start ASAP.

Seniority level

Mid‑Senior level

Employment type

Full‑time

Job function

Engineering and Information Technology

Industries

Staffing and Recruiting, Construction, Design Services