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.