Mechanical Engineer (Principal/ Associate) – Rail

Overview

As a Principal/Associate Mechanical Engineer in WSP’s Stations team, you will lead mechanical building services design for railway stations and railway buildings worldwide, delivering sustainable, low-carbon solutions. You’ll supervise design work, mentor colleagues, and engage with clients to realise large-scale rail projects. The role combines technical delivery with work winning and knowledge sharing within a global, collaborative culture. Your impact spans concept to handover, advancing net-zero goals and shaping landmark infrastructure.

Pay / Benefits

• Work-life balance
• Hybrid working policy
• Flexible working arrangements
• Thrive wellbeing programme
• Virtual GP service
• Gymflex scheme

Responsibilities

• Produce and supervise high-quality building designs for railway facilities
• Deliver sustainable, low-carbon solutions aligned with net-zero ambitions
• Mentor and supervise junior engineers and share knowledge across the global practice
• Interpret client specifications to translate requirements into designs
• Design pipework (heating, cooling, hot/cold water) and ventilation systems
• Select plant/equipment (AHUs, fans, pumps, boilers, chillers, ductwork, etc.)
• Ensure compliance with Building Regulations, Part L, and other MEP standards
• Contribute from concept through handover on major rail station projects
• Engage with clients and support work-winning initiatives
• Collaborate within a multi-disciplinary, cross-functional team across UK and international locations

Key requirements

• Mechanical building services design experience in the Rail environment
• Chartership status with a UK Engineering Institution
• Understanding of Network Rail and/or London Underground standards
• Knowledge of controls/BMS for mechanical systems
• Experience in design of above-ground plumbing, waste, rainwater disposal, and drainage systems

• Team leadership and mentoring
• Client engagement and stakeholder communication
• Collaboration in cross-functional teams
• Heating, cooling, hot and cold water systems
• Ventilation system design
• Plant and equipment selection (AHUs, fans, pumps, boilers, chillers)

…