Senior Mechanical Engineer

ibse; Greater London; On-site; GBP 53,000 - GBP 63,000; Full time

Job summary

A leading engineering consultancy in Greater London is seeking a Senior Mechanical Design Engineer to take on responsibilities for delivering complex HVAC projects. This role involves direct interaction with end-user clients, ensuring high-quality design and supervision. The ideal candidate will have more than 4 years of relevant experience in HVAC design and be comfortable mentoring others. The company values work-life balance and offers a supportive working environment with strong employee retention.

Benefits

26 days of annual leave

CIBSE Approved Training and Development

Job security with a full order book

Pension

4 x Life assurance

Subsidised gym/lifestyle benefits

Cycle to work scheme

Interest-free season ticket loan

Annual performance-based bonus

Clear progression

Qualifications

• 4+ years of experience in HVAC Design, ideally in consultancy or design and build.
• Comfortable leading projects and mentoring less experienced Engineers.
• Previous commercial project experience or complex ventilation experience preferred.

Responsibilities

• Deliver end-to-end design, specification, and site supervision for HVAC building services.
• Work directly with end-user clients rather than solely with contractors.

Skills

HVAC Design

Project leadership

Mentoring

Complex ventilation

Job description

Senior Mechanical Design Engineer - To £63K

Interested in partnering with the UK's biggest banking brands to deliver complex, high-value projects that shape the future of the financial sector?

In an industry where the average length of service is less than two years, it's reassuring that their staff tend to stay for a minimum of five years.

As a "Good Employer" and "Investor in People," people genuinely enjoy working here and are supported and encouraged to achieve their true potential at every stage of their career.

What sets them apart?

• 35-hour working week, designed with work‑life balance in mind.
• Average staff retention of nearly 6 years, with many employees choosing to stay for 20+ years.
• As an "Investor in People," your growth and well‑being are at the heart of their culture.

Due to growth, they are seeking a Senior Mechanical Engineer to deliver complex commercial projects. The role involves end‑to‑end responsibility for the design, specification, and site supervision of HVAC building services, working directly with end‑user clients rather than solely with contractors.

Requirements

• 4+ years' experience in HVAC Design, as a consultancy or design and build contractor
• Comfortable leading projects and mentoring less experienced Engineers
• Ideally, some previous commercial project experience or complex ventilation experience
• Able to work without the need to be sponsored

Benefits

• 26 days of annual leave as standard
• CIBSE Approved Training and Development program
• Job security (full order book for the next 12 months)
• Pension
• 4 x Life assurance
• Subsidised gym/lifestyle benefits
• Cycle to work scheme
• Interest‑free season ticket loan
• Annual performance-based bonus
• Clear progression

This is more than just another job as a Senior Mechanical Design Engineer; it's a place where you can build a meaningful, lasting career.