Senior Mechanical Engineer

Job description

Contract Senior Mechanical Engineer – Lab & Office Fit-Outs

We are currently supporting a well-established building services consultancy delivering technically complex laboratory and commercial office fit-out projects in London.

Due to an immediate project requirement, they are looking to appoint a (Contract) Senior Mechanical Engineer who can hit the ground running and support live schemes through detailed design and delivery.

The Role

You will be working on fast-paced lab and office fit-out projects, taking ownership of mechanical design packages and supporting coordination with internal and external stakeholders.

The role is split across:

• London – 3 days per week (client offices / project teams)
• Peterborough – 2 days per week (design team collaboration)

This is a hands-on role suited to someone comfortable working autonomously, managing design outputs, and contributing immediately to live projects.

Key Requirements

• Proven experience as a Senior Mechanical Engineer within building services
• Essential: Previous experience delivering laboratory and/or office fit-out projects
• Strong background in mechanical design (HVAC, plant, distribution systems)
• Comfortable working in client environments and project offices
• Available to start quickly
• UK project experience essential

Contract Details

• Rate: £400 per day (LTD)
• Initial term: 3 months
• Extension: Opportunity to extend to a 12-month contract based on performance
• Location split: Peterborough (2 days) / London (3 days)

Why This Role?

• Immediate start on high-quality, technical projects
• Clear pathway to a longer-term contract
• Strong, collaborative delivery team
• Well-structured projects with defined scope and outputs

If you’re a Senior Mechanical Engineer with solid lab or office fit-out experience, and you’re looking for your next London-focused contract, this is an excellent opportunity.

Apply now or get in touch for a confidential discussion.

Extra information

Status

Open

Education Level

Secondary School

Location

Greater London

Type of Contract

Full-time jobs

Published at

01-03-2026

Profession type

Manufacturing / Industrial

Full UK/EU driving license preferred

No

Car Preferred

No

Must be eligible to work in the EU

No

Cover Letter Required

No

Languages

English