Senior Mechanical Design Engineer

Company: Human Capital Solutions UK
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Overview

Senior Mechanical Design Engineer – To £63K

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This range is provided by Human Capital Solutions UK. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

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Role description

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.

What sets them apart?

  • A 35-hour working week, designed with work-life balance in mind.
  • An 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.

Responsibilities

  • Lead HVAC design projects from concept through to delivery, including design and specification, and site supervision.
  • Collaborate with end-user clients and internal stakeholders to ensure project goals are met.
  • Mentor and guide less experienced engineers on the team.

Qualifications

  • 4+ years’ experience in HVAC Design, in a consultancy or design-and-build contractor environment.
  • 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.
  • 4 x Life assurance, Pension, and other staff benefits listed below.

Benefits and incentives

  • 26 days of annual leave as standard
  • CIBSE Approved Training and Development program
  • Subsidised gym/lifestyle benefits
  • Cycle to work scheme
  • Interest-free season ticket loan
  • Annual performance-based bonus
  • Clear progression

Employment details

  • Seniority level: Mid-Senior level
  • Employment type: Full-time
  • Job function: Consulting, Design, and Engineering
  • Industries: Engineering Services, Design Services, and Construction

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.

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Location notes and job alerts: London, England, United Kingdom 1 week ago

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Posted: January 11th, 2026