(Associate) Technical Director – Mechanical Services

Overview

As Associate Technical Director (Mechanical) Building Services Engineer, you lead complex railway and infrastructure projects, delivering high-quality mechanical design and mentoring multidisciplinary teams. You’ll manage client relationships, drive sustainable and safe asset delivery, and advance digital tools like BIM and common data environments. The role blends technical leadership with business development to secure opportunities and improve project outcomes.

Responsibilities

• Lead technical delivery of mechanical and building services projects across railway and infrastructure sectors
• Mentor and develop multidisciplinary teams for high performance
• Manage client relationships and support business development
• Oversee project planning, budgeting, resourcing, and risk management
• Champion sustainability (including BREEAM) and integration of renewable energy systems
• Provide expertise in ventilation, smoke management, HVAC, public health systems, and railway-related technologies
• Drive standardisation, automation, and adoption of digital tools (3D BIM, ProjectWise)
• Promote SHE culture and embed safety best practices across teams
• Contribute to bid preparation, client presentations, and networking

Key requirements

• Degree in Mechanical or Building Services Engineering (BEng/BSc minimum; MEng/MSc preferred)
• Chartered Engineer (CEng) or equivalent
• Proven track record delivering mechanical/building services in railway, infrastructure, or transport sectors
• Strong knowledge of tunnel ventilation, smoke management, HVAC, and commissioning
• Experience with sustainability standards like BREEAM
• Excellent project and people management skills
• Strong commercial acumen including budgets, proposals, and client relationships
• Proficient in BIM, common data environments (ProjectWise), and other engineering software
• Excellent communication with senior clients and stakeholders
• Willingness to travel within the UK and internationally

• leadership and team mentoring
• client relationship management
• clear communication and influencing
• ventilation and smoke management
• HVAC and public health systems
• tunnel ventilation

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