Senior Facilities Mechanical Engineer

Job Title:

Senior Facilities Mechanical Engineer

Posting

Start Date:

7/1/26

Requisition

Job Description:

We are seeking a highly motivated Senior Facilities Engineer to support the operation, reliability, expansion, and compliance of critical facility systems within our semiconductor wafer fabrication facility. This position will serve as the technical owner for toxic gas distribution, hazardous exhaust, gas monitoring, and abatement systems that support semiconductor manufacturing equipment.

The Senior Facilities Engineer will lead facility engineering efforts for new tool installations, capacity expansion projects, utility infrastructure upgrades, and system reliability improvements. The role will work closely with Manufacturing, Process Engineering, Equipment Engineering, EHS, and Facilities Operations to ensure safe, reliable, and uninterrupted support of fab operations.

The position works closely with Facilities Operations, Tool Install Engineering, Manufacturing, EHS, Construction Management, and external contractors to support the entire asset lifecycle from design and installation through commissioning, maintenance, optimization, and decommissioning.

• Develop system designs, specifications, engineering calculations, and P&IDs for utility infrastructure.
• Support installation, startup, commissioning, and integration of new manufacturing equipment and facility expansion projects.
• Serve as the technical owner for facility gas distribution, Clean Dry Air (CDA), and vacuum generation and distribution systems supporting manufacturing operations.
• Perform capacity assessments, flow analyses, pressure studies, and future demand forecasting for utility systems.
• Monitor system performance and identify opportunities to improve reliability, maintainability, efficiency, and operational costs.
• Evaluate and optimize compressors, dryers, pumps, vacuum generators, filtration equipment, pressure regulation devices, and distribution networks.
• Troubleshoot utility system issues and lead root cause failure analyses to identify and implement corrective actions.
• Ensure system redundancy, reliability, and operational readiness to support critical manufacturing requirements.
• Review and approve contractor designs, engineering submittals, construction activities, and commissioning plans.
• Coordinate planned utility shutdowns, tie-ins, and maintenance activities while minimizing operational impact.
• Maintain accurate engineering documentation, standards, as-built drawings, operating procedures, and system specifications.

• Lead facility utility projects from concept through design, construction, commissioning, and turnover.
• Develop engineering scopes, cost estimates, schedules, and technical specifications.
• Participate in factory expansion, renovation, and tool installation projects.
• Provide engineering review of drawings, equipment submittals, contractor proposals, and change requests.
• Coordinate with internal stakeholders to ensure utility systems meet operational requirements.
• Support startup, testing, qualification, and acceptance activities.

• 5+ years of experience supporting industrial, manufacturing, semiconductor, or mission-critical facilities.
• Experience with gas distribution, compressed air/CDA, vacuum, or other critical utility systems.
• Knowledge of mechanical system design, fluid flow, thermodynamics, and pressure distribution systems.
• Experience troubleshooting mechanical utility equipment and infrastructure.
• Ability to interpret engineering drawings, P&IDs, specifications, and construction documents.
• Experience managing contractors, vendors, and capital projects.
• Strong analytical, communication, and project…