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Skilled Careers

Principal Mechanical Engineer

London
£70k – £75k/yr
Posted about 17 hours ago
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Principal Mechanical Design Engineer – Commercial Projects (MEP Contractor)

Location: London

Salary/Package: Up to £75,000 + Car Allowance + Travel + Bonus + Comprehensive Package

Skilled Careers is partnering with one of the most prominent and highly respected MEP contractors in the London market. Known for delivering complex, high-spec engineering solutions, this business is looking for a Principal Mechanical Design Engineer to spearhead the mechanical design delivery across a major portfolio of commercial sector projects.

This is a fantastic opportunity to join a top-tier M&E specialist, take ownership of high-profile commercial developments, and lead a talented team in a dynamic design-and-build environment.

The Role:

As a Principal Mechanical Design Engineer, you will lead the mechanical design process from the pre-construction phase through to final delivery. A significant portion of the current pipeline consists of major commercial projects (including high-end office fit-outs, shell and core developments, and mixed-use commercial spaces). You will be responsible for ensuring that all mechanical designs are robust, fully coordinated, and optimized for seamless construction on site.

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Graduate Consultant — 2026 Scheme

PwC·London, UK
£35,000/yr

Why you're a good match

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Your economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.

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You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.

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Key Responsibilities:

  • Lead the mechanical engineering design on major commercial projects, developing designs from Stage 3/4 through to Stage 5 construction issue.
  • Act as the technical lead for mechanical services, attending design team meetings with clients, main contractors, and external consultants.
  • Manage, mentor, and develop junior and intermediate mechanical design engineers within the team.
  • Work closely with the BIM/CAD teams, Electrical counterparts, and Operational teams to ensure fully clash-resolved and buildable designs.
  • Identify opportunities for value engineering and ensure all designs comply with the latest industry regulations and sustainability standards.

About You:

  • A proven track record as a Senior or Principal Mechanical Design Engineer, ideally working within a leading M&E contractor or a multi-disciplinary consultancy.
  • Extensive and demonstrable experience delivering commercial sector projects in the UK.
  • Strong technical background with the ability to manage complex mechanical design packages independently.
  • Degree qualified in Mechanical Engineering or Building Services Engineering (Chartered status or working towards CEng is highly advantageous).
  • Excellent communication skills, with the ability to lead technical discussions and manage key stakeholder relationships.

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The Package:

  • Up to £75,000 Base Salary (dependant on experience)
  • Generous Car Allowance
  • Fully expensed travel
  • Performance-related Bonus
  • A comprehensive corporate benefits package

How to Apply:

If you are an experienced Principal Mechanical Design Engineer with a strong commercial portfolio looking to join an industry-leading MEP contractor, we would love to hear from you.

For a confidential discussion about this position, please reach out directly:

Matt Jones
Section Manager – Building Services & M&E
📧 mjones@skilledcareers.co.uk
📞 07711 370552

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Location

London, England, United Kingdom

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