Senior Mechanical Engineer

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

Job summary

A leading engineering firm in Greater London seeks a Senior Mechanical Design Engineer to take on the responsibility of delivering complex HVAC projects. The role requires over 4 years of experience in HVAC design, leading projects, and mentoring junior engineers. Significant benefits include 26 days of annual leave, a CIBSE approved training program, and job security. This role offers a clear path for career progression within a supportive environment.

Benefits

26 days annual leave

CIBSE Approved Training and Development program

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' experience in HVAC Design, as a consultancy or design/build contractor.
• Comfortable leading projects and mentoring less experienced Engineers.
• Ideally, some previous commercial project or complex ventilation experience.

Responsibilities

• Deliver complex commercial projects with end-to-end responsibility.
• Design, specify, and supervise site HVAC services.
• Work directly with end-user clients.

Skills

HVAC Design

Project Leadership

Mentoring

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.