Mechanical Engineering Jobs

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.

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.

AECOM is seeking an initiative-taking individual 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 Mechanical Engineer will be working as an integral part of the team that is expected to provide the following responsibilities:

Perform mechanical engineering design and analysis for mining and industrial projects, including pumps, tanks, piping systems, and related equipment.

Develop engineering calculations and technical reports to support design decisions and clearly communicate results.

Support early-stage design activities, including trade‑off studies, PFDs, P&IDs, equipment sizing, and facility layouts.

Prepare and contribute to detailed design deliverables, including equipment and piping layouts, specifications, and construction documents.

Conduct technical evaluations, including bid analyses, vendor submittal reviews, and shop drawing reviews in accordance with applicable codes and standards.

Perform pipe stress analysis and ensure designs meet project, regulatory, and industry requirements.

On‑site field experience in facility walk‑downs, commissioning or start‑ups for heavy industrial facilities.

Performed mechanical pipe stress modeling using industry standard software programs in conformance with codes and standards as well as project requirements.

Performed hydraulic and pumping computations and computer modeling and analysis of water distribution systems using industry standard software programs.

Experience in piping design collaborating with technical staff that uses 3D modeling software to produce construction‑level drawings.

No relocation will be offered for this role.

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.

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. 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.

Business Line: Water

Strategic Business Unit: West

Career Area: Engineering