Principal Engineer, Mechanical (Fire Life Safety)

Responsible for engineering, design, and modifications related to Tunnel Ventilation System, Fire Strategies and Fire Engineering, 3D CFD Fire Simulation and analyzing Smoke control movement including the development of all related equipment and specifications and handling of procurement processes. May also support the installation, operation, and maintenance of mechanical systems. This role includes expertise in TVS design with Fire Simulation knowledge. Duties and Responsibilities Effectively design and verify the TVS for Rail, Road and Metro Tunnels, Buildings, Subways, Parking etc. Able to prepare Fire Life Safety Design and Analysis, Risk Management and Compliance Should be able to deal with the client directly and effectively respond to all the technical queries. Provide technical expertise for the mid to large size projects wherever needed. Prepare engineering calculations, design drawings and specifications of mechanical ventilation systems for tunnels in a diverse range of projects. Ensure accuracy of design to employers’ Requirements documentation. Active Collaboration with all the stakeholders. Prepare Technical reports, Calculations, Drawings, equipment selections and specifications, heating and cooling load calculations, pressure loss calculations, Attenuator sizing calculations. Develop simulation on SES (Subway environment simulation), IDA Tunnel, FDS (Fire Dynamics Simulator) or any other equivalent software for defining the air flow requirement of TVS fans and also for fire simulation for various scenarios. Develop 3D CFD simulation on Pyrosim/FDS or any other equivalent software for Smoke Management system. Provide guidance for space planning for TVS fans , Damper sizing and smoke management system, shaft requirements as per design scheme, in coordination with all other disciplines involved in the design. Work in multidisciplinary teams, review Structure, MEP design drawings to correctly develop models that accurately reflect the tunnels network, station(s) and facilities. Equipment selection in coordination with the vendor that aligns with the design intent. Space proofing of the tunnel ventilation equipment including equipment access and removal plans. Prepare and Check mode of operation table, systems integration with control and monitoring systems. Design optimization/ Value engineering to provide the most efficient solution. Attend and manage Internal & external project / design audits. Identify risks and develop appropriate risk mitigation plan. Collects and organizes fundamental engineering data following established procedures. Engages in routine engineering tasks involving calculations and basic testing. Proposes solutions for new issues that arise. Identifies and addresses discrepancies in results. Provides guidance to entry-level engineers. Works within agreed-upon budget and schedule, with moderate supervision. Collaborate with cross-functional teams to integrate TVS with other engineering disciplines Stay updated on the latest advancements in TVS and industry best practices Assist in design reports, calculations, drawings, specifications, cost estimates, and project schedules Bachelor's degree in Mechanical Engineering or equivalent is required for this opportunity Registered with Board of Engineer (BEM) A minimum of 10 years of experience in Metro, MRT/LRT, Rail/Road tunnels, Buildings, Subways etc. ventilation design simulation, Fire Strategies, Fire Simulation and Smoke movement analysis Proficiency in SES (Subway environment simulation), IDA Tunnel, FDS (Fire Dynamics Simulator), PyroSim, Pathfinder or any other related software. Strong knowledge of mechanical systems, principles, and industry standards Excellent analytical and problem-solving skills Ability to perform complex calculations and conduct engineering tests Experience in gathering and correlating engineering data Strong communication and interpersonal skills Capability to work independently and manage multiple projects efficiently Familiarity with relevant industry codes and standards Demonstrated ability to innovate and think creatively in engineering solutions Excellent organizational skills and attention to detail Willingness to learn and adapt to new technologies and methodologies in design of TVS and FLS. 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 . 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. Work with Us. 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