Mechanical Engineer - 2+ years experience

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 motivated and skilled Mechanical Engineer to support the design and construction of buildings within the Buildings + Places business line. This opportunity would be based out of Denver, CO office.

This is an exciting opportunity, with tremendous growth potential, for a Mechanical Engineer to join a talented team working on a wide range of building typologies primarily for the Federal Government and on Commercial Building Projects.

Major Responsibilities:

• Design of Plumbing, Fire Protection and HVAC systems;

• Review HVAC calculations prepared by junior staff and prepare design HVAC design concepts and layouts. Assist in preparing markups and design instructions for modelling/drafting by technicians and junior staff.

• Prepare plumbing design concepts and layouts for modelling/drafting by technicians and junior staff.

• Contribute to the preparation and review of technical documents, calculations, and drawings.

• Provides technical input to studies and design reports to meet client requirements.

• Performs self-quality control reviews of design calculations or drawings prior to submitting to senior staff for review and verification.

• Assists in preparing technical specification sections.

• Assist with the design and drafting of mechanical systems in 2D AutoCAD;

• Assist with the design and drafting of mechanical systems in 3D such as REVIT;

• Must be able to prepare written reports and deliver results in a clear manner to technical or non-technical persons;

• Strong communication skills, spoken and written;

• Experienced at using computers and utilizing Windows, e-mail, internet, MS Word, and Excel;

• Able to work independently or as part of a team.

• Assists mechanical engineering team manager with mentoring junior engineering staff.

• Benefit from hands-on mentorship from senior engineers while contributing your expertise to live projects.

• Grow within a supportive environment that values continuous learning and technical excellence.

Minimum Requirements:

• Bachelor's Degree in Mechanical Engineering plus two (2) years of experience designing HVAC and plumbing for commercial, institutional, and light industrial facilities or demonstrated equivalency of experience and/or education.

Preferred Requirements:

• Five (5)+ years of experience designing HVAC and plumbing for commercial, institutional, and light industrial facilities.

• Proficiency in heat load estimating software such as IES VE, Trane Trace 3D Plus or Carrier HAP.

Sponsorship is not available for this position now or in the future.

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.