Job Title: Principal Mechanical Engineer

Job Location: Motherwell

Job Type: Permanent

Annual Salary: Up to £60K  + £7K Car allowance + Package

Client Overview

Our client is a well-established, multidisciplinary engineering and design consultancy with a strong reputation for delivering complex projects across the built environment, infrastructure, defence, nuclear, life sciences, industrial and more. With a collaborative and people-focused culture, they provide innovative engineering solutions from concept through to detailed design and project delivery.

Known for their technical excellence and commitment to sustainability, they work closely with a diverse portfolio of public and private sector clients on some of the UK's most challenging and high-profile developments. Their teams combine deep sector knowledge with a practical approach to problem-solving, enabling them to deliver efficient, future-focused solutions that add real value throughout the project lifecycle.

The business offers a supportive environment where engineers are empowered to take ownership of projects, develop their technical expertise, and progress their careers within a growing and forward-thinking organisation. This is an excellent opportunity to join a company that places equal importance on innovation, professional development, and delivering outstanding results for its clients.

Role Overview

Our client is seeking a Principal Mechanical Engineer to join their growing Building Services team. This is an excellent opportunity for an experienced Mechanical Building Services Engineer to take a leading role in the delivery of complex and technically challenging projects across a range of sectors, including life sciences, industrial, defence, commercial and highly regulated environments.

As a senior member of the engineering team, you will be responsible for delivering innovative and sustainable mechanical design solutions, managing project delivery, and leading multidisciplinary collaboration from concept through to completion. You'll play a key role in maintaining technical excellence, developing client relationships, and mentoring engineers to support the continued growth of the team.

This position would suit a Chartered (or near Chartered) Mechanical Engineer who enjoys taking ownership of projects, leading teams, and working on bespoke engineering challenges that require creative and practical solutions.

Key responsibilities will include:

• Design and specify mechanical building services systems in accordance with current regulations, standards and project requirements.
• Lead the mechanical discipline on a range of projects, ensuring successful delivery to programme, budget and quality expectations.
• Manage project resources, workloads and technical outputs across multiple projects.
• Produce and review technical deliverables, including calculations, specifications, reports and design documentation.
• Build and maintain strong relationships with clients, project stakeholders and multidisciplinary teams.
• Provide technical leadership and guidance throughout the project lifecycle.
• Monitor and champion quality assurance processes and compliance standards across projects.
• Support and mentor engineers and technicians, encouraging professional development and technical excellence.
• Contribute to project planning, risk management and project delivery strategies.
• Promote innovation and sustainable engineering solutions within project designs.

Requirements

• Degree qualified in Mechanical Engineering, Building Services Engineering or a related discipline.
• Chartered Engineer (CEng) status with CIBSE, IMechE or equivalent, or actively working towards Chartership.
• Proven experience delivering mechanical building services projects within one or more relevant sectors.
• Experience managing medium-sized projects or leading mechanical work packages on larger multidisciplinary schemes.
• Strong technical knowledge of mechanical building services design and current industry regulations.
• Ability to manage project delivery, including programme, resource, cost and quality considerations.
• Excellent communication and client relationship management skills.
• Experience coordinating with multidisciplinary design teams and stakeholders.
• Strong leadership and mentoring capabilities.
• Commitment to quality, compliance and continuous improvement.

Benefits

• Salary up to £60,000 per annum
• Company car or car allowance
• Annual bonus (based on performance)
• Up to 6% matched pension contribution
• Life assurance
• 25 days annual leave plus the option to purchase additional leave
• Flexible and hybrid working arrangements
• Employee discount platform
• Family-friendly policies
• Employee Assistance Programme (EAP)
• Ongoing professional development and chartership support
• Clear career progression opportunities within a highly respected engineering consultancy

Next Steps

If you're interested in this opportunity, please submit your updated CV or reach out to Lusona Consultancy for a confidential conversation.

If this role isn’t quite the right fit but you’re exploring new opportunities, we would be happy to assist you in finding the perfect match.