## Company Description Work with Us. Change the World. At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for future generations. There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world. We're one global team driven by our common purpose to deliver a better world. Join us. ## Job Description AECOM is seeking a Mid-Level to Senior Tunnel Ventilation Engineer to support our Americas Tunnel Practice in New York, New York. Role/Responsibilities of this position include but are not limited to: - Consultancy in design, design optimization and construction administration of Tunnel Ventilation and Fire Life Safety systems for transit, rail, and highway projects. Project facilities include bridges, tunnels, and overbuilds, including also miscellaneous industrial and utility tunnels, in locations across North America and globally. - Development of design criteria, manuals, technical reports, designs, calculations, drawings and specifications, heating and cooling load calculations, pressure loss calculations, and related engineering processes for such facilities. - Development of ventilation concepts and strategies, and performance prediction and optimization of ventilation capacities for determination and satisfaction of tenability and fire life safety requirements using 1-D Subway Environment Simulation (SES) and 3-D Computational Fluid Dynamics (CFD). - Provide support during commissioning and construction administration. - Assist in growing the firm’s tunnel vent practice with development of pursuit strategies, technical concepts, and proposal technical approaches. - Help identify, attract, and assist in recruiting additional staff. - Mentor more junior tunnel ventilation engineers to strengthen the tunnel ventilation center of excellence and grow technical expertise. - Publish technical articles in ISAVFT, ASHRAE, and other national and international venues. - Support technical client relationships and marketing. - Collaborate with National Tunnel and Underground Engineering Practice Risk and Quality Leaders to recommend Risk Management Plan and Quality Plan on projects. ## Qualifications MINIMUM REQUIREMENTS: BA/BS + 8 years of relevant experience or demonstrated equivalency of experience and/or education. PREFERRED QUALIFICATIONS: - Bachelor’s degree in mechanical engineering. - Professional registration (PE) in at least one state, and ability and willingness to register in other states if needed. - Experience with Regulatory requirements for tunnel ventilation and fire life safety, including experience in road, railway, and underground spaces, including NFPA 130 and NFPA 502. - Experience with systems engineering, integration, equipment testing and implementation. - 8+ years of tunnel ventilation and underground structures related experience. - MS in Mechanical engineering or equivalent. - Thorough knowledge of various tunnel ventilation design methods and techniques. - Thorough knowledge of computer simulation packages and application techniques. - Membership in relevant professional organizations and active participation in National societies and organizations. - Publications in technical journals and conferences and seminars. - Ability and willingness to work in office with occasional travel outside NYC. - Competency in technical report writing, preparation, and editing for issue. - Experience in mechanical and electrical factory and field performance qualification of tunnel ventilation equipment. - Experience in load and energy modeling, LEED, Revit and facilities MEP design requirements. - In depth understanding and a proven track record in the application of fluid flow, heat and mass transfer governing equations. ## Additional Information THIS POSTING IS FOR A CURRENT VACANCY, AND AECOM INTENDS TO FILL THIS POSITION BY OCTOBER 13, 2026. At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment. About AECOM AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan. AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025. Learn more at aecom.com. What makes AECOM a great place to work You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you’ll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you’ve always envisioned. Here, you’ll find a welcoming workplace built on respect, collaboration and community—where you have the freedom to grow in a world of opportunity. As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines.