Principal Engineer - HVAC (MEP)

B.E./B.Tech in Mechanical Engineering; Master's degree preferred. 12-15 years of experience in HVAC design engineering within a consulting environment. Minimum 6-7 years of experience working in a Global Design Center (GDC) delivering international projects. Proven experience in Data Center and/or Healthcare facility design is highly preferred. Proficient in Carrier HAP for cooling and heating load calculations (mandatory). Working knowledge of IES-VE for energy modeling and building performance analysis Strong expertise in: Chilled water plants and distribution systems Airside HVAC systems Critical cooling systems (CRAH/CRAC) Ventilation, pressurization, and smoke management systems Energy-efficient and sustainable HVAC solutions Thorough understanding of ASHRAE, SMACNA, NFPA, IMC, and other international design codes and standards. Knowledge of Revit MEP, AutoCAD, BIM workflows, and multidisciplinary coordination. Experience in HVAC load calculations, equipment selection, design reports, technical specifications, and construction documentation. Ability to independently lead HVAC design packages and provide technical oversight on complex projects. Experience managing design quality, technical reviews, client interactions, and project delivery. Strong leadership and mentoring capabilities for developing engineering teams. Proven track record of delivering projects from Concept Design through Detailed Design and Construction Support. Preferred Project Experience Hyperscale and Colocation Data Centers Hospitals and Healthcare Campuses Mission-Critical Facilities Pharmaceutical and Laboratory Facilities Commercial and Mixed-Use Developments Additional Advantage Chartered Engineer (CEng), PE, IntPE, or equivalent professional registration/chartership is highly desirable. Exposure to sustainability frameworks such as LEED, BREEAM, WELL, or Green Mark. Key Competencies Technical leadership and decision-making. Client and stakeholder management. Strong project delivery and quality management skills. Excellent communication, presentation, and mentoring abilities. Ability to drive engineering excellence within a GDC environment. 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. 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.