Junior Tunnel Ventilation Engineer

Overview

Take our vision into the future.

You might know us for the great work we do across our wide variety of projects. We're proud to say it's thanks to our people's diversity of thought, expertise and knowledge. And when you join us, you'll be a part of this genuinely collaborative environment, where everyone's voice is valued and treated equally.

We're passionate about what we do, but we don't take ourselves too seriously. Simply put, this a great place to be. So, when it comes to your life outside of work, ask us about our flexible and remote working policies designed to help you get the most out of life.

Tunnels and underground structures form an increasingly important part of modern‑day infrastructure. This infrastructure provides economic, societal, and environmental benefits through the facilitation of the efficient and rapid movement of people below‑ground. This may be in mass transit systems, high‑speed rail lines or in highway tunnels.

As a Junior Tunnel Ventilation Engineer, you will design and analyse tunnel ventilation systems for both normal and emergency operations. You will also assess the related elements such as fire and life safety systems following client specifications and worldwide standards. You will work on a range of underground facilities and tunnels, including metro systems, railway stations, road tunnels, cable tunnels and more.

• Support delivery of Road and Rail tunnel ventilation projects and fire and life safety assessments.
• Strengthen and expand our presence in the UK Road and Rail sector.
• Assist in technical work and engagement with project teams and clients.
• Support business activities, including bids and technical studies.
• Work towards achieving professional chartership (e.g. CEng).

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.

• Degree in Engineering (Mechanical, Civil, Aero space 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 and 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.

Explore the rewards and benefits that help you thrive – at every stage of your life and your career. Enjoy competitive salaries, employee rewards and a brilliant range of benefits you can tailor to suit your own health, wellbeing, financial and lifestyle choices. Make the most of a myriad of opportunities for training and professional development to grow your skills and expertise.

And combine our hybrid working culture and flexible holiday allowances to balance a great job and fulfilling personal life.

Be rewarded. Find out more.