Mechanical Engineer

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.

AECOM is seeking a Mechanical Engineer to be based in our Atlanta, GA office. The ideal candidate will work independently with limited supervision on HVAC design projects, demonstrating a proven track record in design quality and innovative solutions.

Key responsibilities include:

• Design and develop comprehensive HVAC systems for government and commercial buildings using industry-standard software and engineering techniques.
• Coordinate HVAC systems with other disciplines and perform site visits to evaluate existing conditions and equipment.
• Make design decisions and recommendations with minimal input from senior staff, while adhering to agreed-upon budgets and schedules.
• Review and approve shop drawings, respond to RFIs, and manage other construction admin-related tasks.
• Organize and plan projects to ensure quality control and project criteria are met within budget constraints.
• Maintain accurate project documentation and design data for permanent project files.
• Attend project meetings, both internal and with clients, and assist in mentoring junior staff.
• Perform self-checks of work products and identify discrepancies in results.

AECOM’s Buildings + Places practice includes architecture, interiors, building engineering, workplace strategy, business transformation, asset advisory, economics and development planning, master planning, urban planning, and landscape architecture. With a range of expertise from strategy and design through project realization, we create better outcomes to grow economies, protect natural systems, conserve natural resources, make societies more equitable, and connect and engage people through innovative, sustainable design solutions. Our teams have worked on signature projects such as air traffic control towers, NASA Laboratory buildings, and many others.

Minimum Requirements

• BA/BS in Mechanical Engineering plus four (4) years of relevant experience in mechanical design of HVAC systems for buildings, or demonstrated equivalency of experience and/or education.
• Ability to obtain a Professional Engineer (PE) within 1 year.
• Due to the nature of work, U.S. citizenship is required.
• AutoCAD and Revit experience.
• Experience with building HVAC load calculations and energy modeling.

Preferred Qualifications

• Six (6) years of professional experience designing HVAC and Plumbing systems utilizing industry-standard software.
• IES HVAC load modeling.
• Understanding of and ability to complete and coordinate project design assignments with the ability to review team member’s work for quality.
• Knowledge/experience with building HVAC systems design including but not limited to chilled water, hot water, condenser water, steam, and air-side systems.
• Knowledge/experience with building plumbing systems design including but not limited to sanitary drainage and venting, domestic service water, domestic hot water, and storm drainage systems.
• Experience with sustainable design and energy efficiency.
• Experience with U.S. Department of Defense agency requirements (UFCs, SpecsIntact, etc.).
• Experience with ASHRAE & NFPA standards and International Building Codes.
• Candidate should be well organized, able to demonstrate critical thinking, quickly recognize issues, and be part of the solution.

•  This position does not support relocation assistance.
•  Sponsorship is not available for this position.

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 2024. 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.