Junior Tunnel Ventilation Engineer

Job Description 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. Your role 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. About you 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. Rewards & benefits 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. About AtkinsRéalis We're AtkinsRéalis , a world-class engineering services and nuclear organization. We connect people, data and technology to transform the world's infrastructure and energy systems. Together, with our industry partners and clients, and our global team of consultants, designers, engineers and project managers, we can change the world. We're committed to leading our clients across our various end markets to engineer a better future for our planet and its people. Find out more. Additional information Security clearance This role may require security clearance and offers of employment will be dependent on obtaining the relevant level of clearance. If this is necessary, it will be discussed with you at interview. The vetting process is delivered by United Kingdom Security Vetting (UKSV) and may require candidates to provide proof of residency in the UK of 5 years or longer. If applying to this role please do not make reference to (in conversation) or include in your application or CV, details of any current or previously held security clearance. We are committed to creating a culture where everyone feels that they belong - a place where we can all be ourselves, thrive and develop to be the best we can be. So, we offer a range of family friendly, inclusive employment policies, flexible working arrangements and employee resource groups to support all employees. As an Equal Opportunities Employer, we value applications from all backgrounds, cultures and ability. As a Disability Confident Leader, we are committed to offering an interview to all applicants who have a disability and meet the essential criteria. If you would like to be considered under this commitment, please let us know at the application stage. #LI-INFRASTRUCTURE | #LI-UK | #GETJOBS Worker Type Employee Job Type Contractual (Fixed Term) At AtkinsRéalis , we seek to hire individuals with diverse characteristics, backgrounds and perspectives. We strongly believe that world-class talent makes no distinctions based on gender, ethnic or national origin, sexual identity and orientation, age, religion or disability, but enriches itself through these differences.