Process Commissioning Engineer

Atlantach Technical Services is an engineering and technical solutions company specializing in Construction Management, Project Management, Commissioning and Operations & Maintenance.

Ireland | Europe| USA

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We are seeking to hire a Process Commissioning Engineer to join our company in Chandler, AZ. The Process Cx Engineer verifies that all process utilities and specialty systems are installed, started up, tested, and ready for safe operational use.

These systems include those relates to Process Gases, Process Chemicals, Ultra-Pure Water (UWP), Waste Systems, Exhaust Systems, Utilities, and Tool Hook-Up.

• Review and interpret P&IDs, process flow diagrams, isometrics, and equipment data sheets
• Review vendor submittals and commissioning procedures
• Verify correct installation of systems and components
• Perform walkdowns and generate punch lists
• Witness pressure testing, flushing, cleaning, and drying
• Support loop checks, valve stroke checks, and instrument calibration verification
• Coordinate and support vendor-led start‑up activities

• Lead or witness functional performance testing
• Verify system alarms, interlocks, shutdowns, and per missives
• Confirm system performance (pressure, flow, temperature, conductivity, purity, chemical concentration)
• Test redundancy, duty/standby changeover, and failure scenarios
• Validate control sequences in coordination with BMS, SCADA, and PLC teams

• Support integrated systems testing under operational load
• Verify interaction between process utilities, exhaust systems, abatement, life safety, and tool interfaces
• Support recovery testing following power loss, EPO events, utility failures, and alarm scenarios

• Complete commissioning check sheets and test scripts
• Maintain FAT/SAT records and redline documentation
• Track and close punch lists
• Compile system turnover packages
• Prepare final commissioning and close‑out reports

• You have authority to stop the job if you feel there is an unsafe work practice which could result in a risk of injury, have an environmental impact or risk to equipment and other personnel.
• Carry out your duties to meet Quality, Safety and Environmental requirements at all times.

• Bachelor’s degree in engineering (Chemical, Mechanical, Electrical, or related discipline) preferred
• 5+ years of commissioning experience on semiconductor, life sciences, or other high‑tech facilities
• Strong working knowledge of process utility systems and cleanroom support infrastructure
• Ability to read and interpret P&IDs, control narratives, commissioning procedures, and specifications
• Familiarity with structured commissioning methodologies (Levels 1–5)
• Strong coordination, reporting, and technical documentation skills
• Ability to work independently and communicate effectively with clients, contractors, and vendors