Junior Tunnel Ventilation Engineer

This role involves designing and analysing tunnel ventilation systems for both normal and emergency operations, as well as assessing related fire and life safety systems. You will work on a range of underground facilities and tunnels, including metro systems, railway stations, road tunnels, and cable tunnels.

What You'll Be Doing

Project & Technical Delivery

• Support the design and assessment of tunnel ventilation systems.
• Assist with 1D modelling (SES / IDA), CFD studies, and basic risk assessments.
• Contribute to fire and life safety assessments and ventilation strategies.
• Support commissioning activities, testing, and asset performance reviews.
• Prepare technical reports and support production of client deliverables.

Business Growth & Client Engagement

• Support team activities to grow the UK and international market.
• Assist in building relationships with clients in the rail and road sectors.
• Contribute to identifying opportunities in tunnel ventilation and fire/life safety projects.
• Support the preparation of bids and technical proposals.

Internal Capability Development

• Work collaboratively with senior engineers and wider teams.
• Support continuous improvement of tools, methods, and best practices.
• Engage in training and development to build technical capability.

About You

• Degree in Engineering (Mechanical, Civil, Aerospace or related discipline).
• Working towards, or committed to achieving, professional chartership (e.g. CEng).
• Understanding or interest in tunnel ventilation and fire/life safety.
• Familiarity with SES / IDA Tunnel modelling tools and CFD tools (e.g. FDS, Pyrosim, Pathfinder).
• Understanding of fundamental ventilation principles, airflow, and fire and smoke behaviour.
• Good communication and teamwork skills.
• Experience with modelling or simulation tools in underground infrastructures.
• Awareness of relevant standards (e.g. NFPA, PIARC, UK guidance).
• Interest in developing technical expertise in tunnel ventilation and fire safety.

Personal Attributes

• Eager to learn and develop technical skills.
• Proactive and willing to take initiative with guidance.
• Good communication skills and team-oriented mindset.
• Enthusiastic about developing a career in tunnel engineering.

Rewards & Benefits

• Competitive salaries.
• Employee rewards.
• A range of benefits you can tailor to suit your health, wellbeing, financial and lifestyle choices.
• Opportunities for training and professional development.
• Hybrid working culture.
• Flexible holiday allowances.