Project Engineer, Mechanical

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.

We're looking for a talented and detail-oriented Project Engineer, Mechanical to join our dynamic team in Bangkok, Thailand. In this pivotal role, you will design and coordinate mechanical engineering projects across the transportation infrastructure projects. You'll work collaboratively with cross-functional teams to deliver innovative mechanical solutions that meet the highest standards of technical excellence and client satisfaction.

• Design and develop mechanical building services solutions, including ACMV, fire protection and detection, plumbing, water supply, and drainage systems
• Conduct comprehensive technical analyses and detailed calculations to support project requirements
• Prepare, review, and coordinate mechanical design drawings while ensuring compliance with current building services legislation and engineering standards
• Manage multiple projects simultaneously, maintaining focus on quality deliverables and adherence to project timelines
• Collaborate with BIM coordinators to ensure design packages are produced to required specifications and quality standards
• Provide technical support throughout the design, installation, commissioning, and testing phases of projects
• Prepare and maintain technical documentation, manuals, and project-related materials
• Liaise effectively with clients, stakeholders, and their representatives to understand requirements and provide technical guidance
• Develop and maintain strong relationships with technical consultants and equipment suppliers
• Participate in the development of technical proposals and feasibility studies
• Ensure full compliance with Health, Safety, Environmental, and Quality management policies across all project activities
• Support the Project Manager with timely production of necessary documentation and regulatory submissions

• Bachelor's or Master's Degree in Mechanical Engineering from an accredited institution
• Minimum 5 years of professional experience in a design consultancy firm or mechanical engineering environment
• Proven track record working on infrastructure projects such as Metro/LRT/MRT systems, rail or road tunnels, data centers, hospitals, healthcare facilities, or residential/commercial buildings
• Strong analytical and problem-solving skills with exceptional attention to detail
• Demonstrated ability to manage multiple projects concurrently while meeting strict deadlines
• Comprehensive knowledge of local and international building codes and authority submission procedures
• Excellent verbal and written communication skills with strong technical writing capabilities
• Open to work on a 24 months' contract

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.