Sr. Mechanical Engineer

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 has a position available for a Mechanical Engineer to support our team addressing the most challenging engineering tasks in power generation. AECOM's broad technical capabilities, global footprint and experience in executing large scale projects uniquely position us to lead in traditional steam, thermal power generation and advanced nuclear technologies. This includes being a part of the first-of-a-kind program with AECOM partners advancing the innovative stellarator technology to the world.

The position is an opportunity to directly work in the design of fusion island support components and systems. The engineer will work primarily at the technology developer's office, collaborating closely with their team.

The successful candidate will possess a high level of understanding and experience in mechanical engineering design and technology principles for process/mechanical and generation projects, and is expected to be a detail-oriented, experienced engineer capable of making decisions independently.

The responsibilities of this role also include, but may not be limited to, the following:

• Responsible for the mechanical engineering design work on assigned projects
• Serve as lead engineer on all size projects maintaining responsibility for deliverable development
• Coordination with the mechanical piping design team to direct completion of engineering drawings.
• Multi-discipline collaboration on the development of equipment general arrangements, P&ID’s, isometrics, asset and tie-in lists, orthographic, etc.
• Provides technical expertise for risk assessments, due diligence and other studies presenting complex technical solutions to clients.
• Generate applicable mechanical engineering deliverables to support all phases of scope development – Feasibility through Detail Design
• Develop construction and equipment specifications and material requisitions
• Home office support of projects during construction, start-up, and commissioning
• Performs quality control reviews of work developed by others
• Participate in project and client meetings
• Interact with vendors, regulatory agencies and contractors
• Assist with internal and external presentations
• Occasional travel to client and/or project sites

Qualifications

Minimum Requirements:

• Bachelor’s degree in Mechanical Engineering
• 6 years of relevant experience in mechanical engineering for industrial or power generation projects

Preferred Qualifications:

• Professional Engineering licensure
• 10+ years of experience preferred
• 2+ yrs experience as project technical mechanical lead
• Demonstrated experience with specifying mechanical equipment (e.g. rotating equipment, tanks, pumps, pressure vessels, heat exchanges)
• Familiarity with diverse metallurgy
• Demonstrated experience with engineering software packages: Caesar II, Pipe-Flo (or other hydraulic modeling application), AspenTech applications and/or Applied Flow Technology applications
• Experience with nuclear power generation and thermal power generation
• Experience executing work in 3D model environments and collaborative model environments (e.g. Navisworks, ACC)
• Experience with AutoCAD Plant3D Smart P&ID’s
• Strong knowledge of piping specifications and pipe stress analysis
• Strong experience leveraging laser scan or other data sets to inform design development
• Knowledge of typical stakeholders and be able to anticipate data requests and expectations
• Demonstrated experience in participating complex, multi-discipline programs/projects and CAD teams
• Comprehensive knowledge of industry (incl safety) standards (e.g. API, ASME)

Additional Information

• Sponsorship is not available for this role.
• This role would be contingent on project start.

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.

State/Province: TennesseeBusiness Group: DCSLegal Entity: AECOM Technical Services IncBusiness Line: EnergyWork Location Model: HybridOperating Group: AmericasPrimary Location: US - Oak Ridge, TN - 102 Mitchell Ro Compensation: USD 125000 - USD 150000 - yearly