Senior​/Principal Mechanical Engineer

Position: Senior / Principal Mechanical Engineer (Permanent)
Principal Design Engineer (Mechanical)

An excellent opportunity has arisen for a Senior / Principal Mechanical Design Engineer to join a national building services consultancy. This is a permanent, full-time role operating within an agile and flexible working framework, based from a UK office with hybrid working available.

About the role

You will join a collaborative team of mechanical, electrical and low-carbon engineers delivering high-quality, sustainable building services design. As a national consultancy with a strong UK footprint, the business works across a broad range of sectors including healthcare, education, residential, commercial, industrial, pharmaceutical, public sector and net-zero carbon projects.

The role offers significant autonomy, technical responsibility and client exposure, with clear progression opportunities for the right individual.

Key responsibilities

Acting as Project Lead on selected mechanical building services projects
Working as part of a wider multi-disciplinary team on larger schemes
Attending client, design team and principal meetings, including presentations
Providing technical leadership and mentoring to junior mechanical engineers
Raising and promoting technical excellence within the mechanical discipline
Developing into a key point of contact for strategic clients
Supporting repeat business through strong client relationships
Delivering technically challenging projects across multiple sectors
Client-facing involvement across all project stages from concept to completion
Producing and reviewing drawings, specifications and technical reports
Producing calculations or overseeing their completion by others
Collaborating closely with colleagues to achieve project and business goals
Experience and qualifications

Degree in Mechanical Engineering or Building Services Engineering
Chartered or working towards chartership preferred
HNC / HND candidates with strong design experience also considered

Minimum 3 to 4 years post-qualification experience in building services design
Proficiency in relevant design software, including:
Microsoft Office
Relux or Dialux
Amtech
Revit

Strong knowledge of British and European Standards and Building Regulations
Knowledge of HTMs beneficial
Professional membership or working towards membership of CIBSE or IET
Understanding of HVAC systems and associated plant
Experience integrating embedded generation and renewable technologies
Working knowledge of BREEAM and sustainable design principles
General understanding of electrical engineering to contribute effectively at meetings
Strong written and verbal communication skills
Proactive mindset with a genuine desire to learn and develop
What’s on offer

Clear career progression within a national consultancy
Flexible and agile working environment
Competitive salary with enhanced sickness and family benefits
Generous annual leave with buy and sell options
Exposure to interesting and technically complex projects
Recruitment referral bonus scheme
Cycle to work scheme
Electric vehicle scheme
Eye care vouchers
Employee Assistance Programme
Funded team-building and social activities
Opportunities to engage in charitable, educational and community initiatives
Inclusive working environment

The consultancy is committed to fostering a diverse, inclusive and supportive workplace where individuals feel valued and able to reach their full potential. Flexible working and reasonable adjustments are actively supported throughout the recruitment process and employment