Industrial Mechanical Engineer

Company Description

AECOM is the worlds trusted infrastructure consulting firm partnering with clients to solve their most complex challenges and deliver a better world.

Job Description

AECOM is seeking a Senior Industrial Mechanical Engineer with experience with chem gas to lead the design of specialty gas bulk gas and chemical distribution systems for our Advanced Manufacturing practice. You will be the technical authority on hazardous production materials and ultra-high-purity (UHP) systems working directly with client facilities EHS and tool teams from concept through turnover. Business sectors: semiconductor battery energy and nuclear fuel and defense and aerospace.

Responsibilities include but are not limited to:

• Design bulk and specialty gas systems (N₂ O₂ Ar H₂ He CDA; silane NH₃ NF₃ HF Cl₂ WF₆) including gas cabinets VMBs/VMPs purifiers and point-of-use connections.

• Design bulk chemical distribution for acids bases solvents CMP slurry and battery electrolyte: dispense units day tanks reclaim and double-contained piping with leak detection.

• Specify UHP materials and quality: EP 316L stainless PFA/PVDF orbital welding cleanliness and particle moisture and O₂ certification testing.

• Lead code and life-safety strategy: IBC/IFC Group H occupancy MAQ and control-area analysis HPM rooms and HMIS/HMMP documentation.

• Coordinate toxic gas monitoring emergency shutdown and exhaust abatement with HVAC fire protection and controls.

• Develop P&IDs utility matrices tool hookup and point-of-connection (POC) design and hydraulic and pressure-drop calculations.

• Support construction: submittals RFIs pressure and leak testing commissioning and turnover.

• Serve as client-facing technical lead in workshops and pursuits; mentor plumbing and mechanical engineers to extend AECOMs process-system capability.
• This role may require travel as needed to client sites.

Qualifications :

Minimum Requirements

• Bachelors degree in Mechanical or Chemical Engineering or related field and 6 years of experience designing specialty gas or chemical distribution systems for semiconductor battery pharmaceutical or similar high-purity facilities or demonstrated equivalency of experience and/or education.
• Working knowledge of NFPA 55 NFPA 400 ASME B31.3 IFC hazardous materials provisions and CGA standards.
• PE license or ability to obtain PE within 24 months.
• Proficiency in Revit and/or AutoCAD Plant 3D and P&ID development.
• Due to the nature of the role United States citizenship is required.

Preferred Qualifications

• 8 years of experience including 5 years designing specialty gas or chemical distribution systems for semiconductor battery pharmaceutical or similar high-purity facilities.
• Semiconductor fab or tool-install experience; familiarity with SEMI S2 S6 and F-series standards and NFPA 318.
• Hydrogen systems battery (electrolyte NMP recovery) or NRC/DOE-regulated fuel-cycle facility experience.
• Background with an EPC tool-install contractor or industrial gas supplier.
• Steam heat-transfer fluid or process chemical system design.
• U.S. citizenship and ability to obtain a security clearance (required for Federal and defense projects).

Additional Information :

Relocation assistance may be available.

Sponsorship for U.S. employment authorization is not available.

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 . 

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 youll 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 youve always envisioned. Here youll find a welcoming workplace built on respect collaboration and communitywhere 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. 

Remote Work :

No

Employment Type :

Full-time