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Project Mechanical Engineer

AECOM
United Statesfull_timeVerifiedPosted 15 Jun 2026

About the role

Company Description

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.

Job Description

AECOM is seeking an initiative-taking Professional Engineer with a Mechanical Engineering background to be based in the Denver, Colorado office to support mining projects in the planning and execution phases of projects and to help augment a team of Mechanical Professionals. The Project Mechanical Engineer will be working as an integral part of the team.

Job Summary/ Responsibilities:

  • Lead mechanical design and analysis for mining and heavy industrial projects, including piping systems, pumps, tanks, and process equipment.
  • Develop and review engineering calculations, including equipment sizing, pipe stress analysis, and system design in accordance with applicable codes and standards.
  • Support early-stage project development through conceptual design, including PFDs, P&IDs, equipment selection, and facility layouts.
  • Prepare and review technical deliverables such as reports, specifications, and design packages to ensure quality and accuracy.
  • Coordinate with multidisciplinary teams to integrate mechanical systems into overall project design.
  • Perform quality control reviews of calculations, drawings, and technical documents.
  • Support procurement activities, including vendor engagement, bid evaluations, and review of shop drawings.
  • Contribute to project planning by supporting cost estimates, schedules, and technical work planning.
  • Provide technical guidance and mentorship to junior engineers and support staff.
  • Support construction activities through design clarifications, RFI responses, and field coordination as needed.

Qualifications

  • Minimum Requirements

  • BA/BS + 6 years of relevant experience and or demonstrated equivalency of education and/or experience
  • Professional Engineer (PE) Certification
  • Valid U.S. Driver’s License
     
  • Preferred Qualifications

  • 8+ years or more of relevant industry experience
  • PE in Colorado, New Mexico, Utah, Arizona, or the ability to acquire a PE in any of these States within 6 months.
  • On-site field experience in commissioning and start-ups for pump stations.
  • Demonstrated progressive experience in mechanical pipe stress modeling using industry standard software programs in conformance with codes and standards as well as project requirements.
  • Demonstrated progressive experience in mechanical engineering systems for pump and piping design, modeling, and construction documentation.
  • Demonstrated progressive project experience including task leadership on design-bid-build projects.
  • Demonstrated progressive experience in collaborating with CAD designers to produce construction-level drawings.
  • Demonstrated progressive experience as a technical resource to serve as technical reviewer and advisor for mechanical pumping and piping systems with strong written and oral communication and people management skills.

Additional Information

  • No sponsorship will be offered for this role now or in the future

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

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AECOM

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