Principal Engineer, Mechanical

AECOM’s Enterprise Capabilities team is looking for a Principal Engineer, Mechanical to join our team in Bukit Damansara.

About Enterprise Capabilities

Fundamental to our Think and Act Globally strategy and digital adoption, Enterprise Capabilities (EC) is AECOM’s primary vehicle for workshare. Operating across geographic boundaries and time-zones, EC partners with regional and Global Business Line project teams to provide technical expertise, accelerate delivery and keep AECOM competitive in the industry. 

With a team of over 3000 technical professionals located across nine countries and remote technical anchors, EC teams are trusted to deliver high-quality, specialist services that help to fill capability gaps, resourcing needs and technical constraints on projects of all scopes and sizes.  

Start here. Grow here

This role will be responsible for mechanical engineering system design HVAC, Fire, Plumbing, Drainage and 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 all engineering calculation required for these above systems.

Transportation infrastructure like LRT, MRT, Metro and Buildings and Hospitals experience preferred.

Duties and Responsibilities:

1. Effectively design and verify the TVS for Rail, Road and Metro Tunnels
2. Should be able to deal with the client directly and effectively respond to all the technical queries.
3. Provide technical expertise for the mid to large size projects wherever needed.
4. Prepare engineering calculations, design drawings and specifications of mechanical ventilation systems for tunnels in a diverse range of projects.
5. Ensure accuracy of design to employers’ Requirements documentation.
6. Prepare Technical reports, Calculations, Drawings, equipment selections and specifications, heating and cooling load calculations, pressure loss calculations, Attenuator sizing calculations.
7. Provide guidance for space planning of mechanical system, shaft requirements as per design scheme, in coordination with all other disciplines involved in the design.
8. Equipment selection in coordination with the vendor that aligns with the design intent.
9. Design optimization/ Value engineering to provide the most efficient solution.
10. Attend and manage Internal & external project / design audits.
11. Identify risks and develop appropriate risk mitigation plan.
12. Collects and organizes fundamental engineering data following established procedures.
13. Engages in routine engineering tasks involving calculations and basic testing.
14. Proposes solutions for new issues that arise.
15. Identifies and addresses discrepancies in results.
16. Provides guidance to entry-level engineers.

1. Bachelor's degree in Mechanical Engineering is required for this opportunity
2. Registered with Board of Engineer (BEM)
3. A minimum of 8 to12 years of experience design engineering in Metro, MRT/LRT, Rail/Road tunnel, Buildings, Hospitals etc.
4. Excellent analytical and problem-solving skills
5. Ability to perform complex calculations and conduct engineering tests
6. Experience in gathering and correlating engineering data
7. Strong communication and interpersonal skills
8. Capability to work independently and manage multiple projects efficiently
9. Familiarity with relevant industry codes and standards
10. Demonstrated ability to innovate and think creatively in engineering solutions 
11. Excellent organizational skills and attention to detail
12. Willingness to learn and adapt to new technologies and methodologies
13. Works within agreed-upon budget and schedule, with moderate supervisions

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.