Mechanical Engineer

ABM is seeking an experienced Mechanical Engineer to provide multi-site facility infrastructure and reliability support across semiconductor and advanced manufacturing environments. The ideal candidate combines strong mechanical systems expertise with proven project management and commissioning experience, ensuring safe, reliable, and efficient operation of high-tech manufacturing facilities.
This role will work across multiple client locations, supporting both greenfield and brownfield facilities, leading system upgrades, projects, and operational improvements.

Pay: $140,000 - $155,000 DOE
The pay listed is the hourly range or the hourly rate for this position. A specific offer will vary based on applicant's experience, skills, abilities, geographic location, and alignment with market data.

Benefit Information:
ABM offers a comprehensive benefits package. For information about ABM's benefits, visit ABM Employee Benefits | Staff & Management

Key Responsibilities

• Provide engineering and technical oversight for site mechanical infrastructure including process cooling water (PCW), chilled water, HVAC, vacuum, CDA, scrubbers, VOC abatement and process exhaust
• Lead or support commissioning, startup, retrofit, and capital improvement projects, ensuring design intent, constructability, and long-term maintainability.
• Develop and maintain preventive and predictive maintenance programs to maximize system uptime and reliability.
• Evaluate system performance data to identify capacity, efficiency, and reliability opportunities across multiple facilities.
• Collaborate with construction, OEM, facilities, and EH&S teams to develop programs, standards, and procedures for safe and efficient operations.
• Develop and update mechanical and process utility drawings, P&IDs, and system documentation.
• Drive standardization and best practices across sites for design review, commissioning, safety, and documentation.
• Ensure compliance with ASME, SEMI S-series, and local mechanical and environmental codes and standards.
• Support on-call response and root cause analysis for system upsets or reliability events.

Required Qualifications

• Bachelor's degree in Mechanical Engineering (Master's preferred).
• 7–12 years of experience in industrial or mission-critical mechanical systems, with exposure to semiconductor, biotech, or similar high-tech facilities.
• Strong background in mechanical system operation and maintenance, including HVAC, chilled water, vacuum, and process exhaust systems.
• Proven experience leading commissioning, reliability improvement, or capital upgrade projects.
• Working knowledge of process cooling, fluid dynamics, and control systems for mechanical utilities.
• Experience with facility systems integration (e.g., BMS, CMMS, SCADA, others).
• Strong interpersonal and communication skills with ability to interface directly with client engineering and operations teams.
• Willingness to travel regionally to support multiple client sites.

About Us

ABM (NYSE: ABM) is one of the world's largest providers of facility services and solutions. A driving force for a cleaner, healthier, and more sustainable world, ABM provides essential services and forward-looking performance solutions that improve the spaces and places that matter most. From curbside to rooftop, ABM's comprehensive services include janitorial, engineering, parking, electrical and lighting, energy and electric vehicle charging infrastructure, HVAC and mechanical, landscape and turf, and mission critical solutions. ABM serves a wide range of industries – from commercial office buildings to universities, airports, hospitals, data centers, manufacturing plants and distribution centers, entertainment venues and more. Founded in 1909, ABM serves over 20,000 clients, with annualized revenue approaching $8 billion and more than 100,000 team members in 350+ offices throughout the United States, United Kingdom, Republic of Ireland, and other international locations. For more information, visit

ABM is proud to be an Equal Opportunity Employer qualified applicants without regard race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran or any other protected factor under federal, state, or local law. ABM is committed to working with and providing reasonable accommodation to individuals with disabilities. If you have a disability and need assistance in completing the employment application, please call We will provide you with assistance and make a determination on your request for reasonable accommodation on a case-by-case basis.

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ABM is a military-friendly company proudly employing thousands of men and women who have served in the U.S. military. With ABM, you'll have access to a world-class training program and ample opportunities to use the skills you developed while serving our country. Whether you're looking for a frontline or professional position, you can find post-military career opportunities across ABM.

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