Principal Mechanical Engineer

A leading multidisciplinary engineering consultancy is seeking an experienced and forward\-thinking Principal Mechanical Building Services Engineer to join its growing UK team. This is a key leadership role focused on delivering innovative, sustainable building services solutions while acting as a trusted advisor to a diverse client base. This organisation is committed to delivering sustainable, future\-focused solutions to the built environment’s most pressing challenges. You’ll be joining a collaborative team of experts working at the forefront of engineering design, with the autonomy to make an impact and the support to grow your career.

Role:

You will take ownership of mechanical design delivery across a broad portfolio of projects spanning sectors such as commercial, residential, hospitality, and energy efficiency. Working within collaborative, cross\-disciplinary teams, you will play a central role in shaping both technical outcomes and team development.

Responsibilities:

• Leading mechanical design from early concept through to project completion on complex schemes


• Acting as a primary client interface, translating business needs into practical engineering solutions


• Supporting project inception activities including brief development, technical workshops, and design reviews


• Embedding low\-carbon and energy\-conscious design principles into all stages of delivery


• Providing technical direction and mentoring to engineers and technicians


• Managing project deliverables to meet programme, budget, and quality expectations


• Promoting the effective use of digital design tools and coordinated workflows (e.g. BIM environments)


• Contributing to continuous improvement of processes, standards, and technical excellence across the business


• Collaborating across regional teams to support wider business growth and capability

You will be a confident leader with strong technical grounding and a collaborative approach.

• Degree\-qualified in Mechanical Engineering or similar discipline


• Chartered Engineer status (or equivalent)


• Extensive experience in building services design across multiple sectors


• Demonstrated ability to lead multidisciplinary teams and manage client relationships


• Strong understanding of UK regulations, industry guidance, and best practice standards


• Proven experience delivering sustainable and low\-energy design solutions


• Excellent communication skills with both technical and non\-technical stakeholders

• Deep knowledge of HVAC and integrated building systems


• Strong analytical and problem\-solving capability


• Commercial awareness and ability to balance innovation with deliverability


• Organised and proactive, with the ability to manage competing priorities


• Passion for mentoring and developing others

• Flexible and hybrid working arrangements


• Competitive pension and life assurance


• Private healthcare provision


• Car allowance or company vehicle option


• Annual bonus scheme


• Professional membership support


• Generous annual leave with option to purchase additional days


• Wellbeing and employee support programmes


• Access to retail and lifestyle discounts


• Electric vehicle salary sacrifice scheme

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