Senior Mechanical Engineer

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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.

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AECOM is seeking a Senior Mechanical Engineer to join our multi-disciplinary design team in support of industrial process and power generation design projects. This position includes leading mechanical engineering efforts for mid- to large-sized capital projects, as well as providing technical oversight of staff engineers.

For this role, AECOM offers the freedom and flexibility to work remotely and/or be located at a variety of Industrial and Power Generation offices across the United States.  Primary locations are Austin TX, Dallas TX, Houston TX, Denver CO, Long Beach CA and New Orleans, LA.

The responsibilities of this role include, but are not limited to, the following:

• Proposal Support: Support proposal development by creating deliverable lists, estimating engineering hours, and providing mechanical engineering input for proposal write-ups.
• Project Leadership: Serve as the lead mechanical engineer on medium to large projects. Maintain responsibility for the development of deliverables, management of junior mechanical engineering staff, and coordination with other disciplines. Typical deliverables include P&IDs, equipment location plans, piping plans, piping isometrics, piping material specifications, mechanical equipment lists, piping line lists, specialty items lists, and construction scopes of work.
• Communication: Coordinate with project management and other disciplines regarding design work, scope changes, engineering budgets, and schedule constraints.
• Analysis: Perform and check engineering calculations, including equipment sizing, hydraulic analysis, and pipe stress analysis.
• Procurement: Support the equipment procurement process, including the development of specifications and data sheets, obtaining quotations, completing technical bid tabulations, and reviewing equipment vendor data.
• Travel: Conduct occasional site visits for proposal development, project walkthroughs, field data acquisition, design verification, and construction support.
• Design & Modeling: Assist the design team with the development of the project model and system layout.
• Resource Management: Assist the Chief Mechanical Engineer with workload distribution for junior engineers and manpower loading plans.
• Mentorship: Provide feedback, mentorship, and leadership to developing engineers.

MINIMUM REQUIREMENTS:

• BA/BS in Mechanical Engineering or related field + 8 years of related experience or demonstrated equivalency of experience and/or education.
• Professional Engineer (PE) License.
• Understanding of design, industrial process and energy projects.
• Experience in industrial and/or energy-related fields.

PREFERRED QUALIFICATIONS:

• Masters Degree in Mechanical Engineering or related field.
• 9+ years of experience in industrial and/or energy-related fields.
• Familiarity with industry codes and standards (API, ASME, PIP, ANSI, ASTM, etc.).
• Experience with engineering calculation software packages (Pipe-Flo, Applied Flow Technology Fathom, CAESAR II).

• Sponsorship for US employment authorization is not available now or in the future for this position.
• Relocation is not available for this position.
• THIS POSTING IS FOR A CURRENT VACANCY, AND AECOM INTENDS TO FILL THIS POSITION BY OCTOBER 30, 2026. 

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.