Facilities Controls Engineer (PLC/SCADA) – Semiconductor Plant

Amkor Technology, Inc.; Peoria (AZ); On-site; USD 90,000 - 130,000; Full time

Job summary

Amkor Technology Arizona is seeking an experienced facilities Controls System Engineer to design, install, and maintain PLC and SCADA-based control systems for the OSAT factory. You will ensure reliable and safe operation of HVAC, water treatment, and life-safety systems throughout the project lifecycle.

You will collaborate with instrument vendors, review drawings, support commissioning, perform root-cause analyses, update control logic, and help optimize system performance.

Qualifications

• Bachelor’s degree in Electrical Engineering, Instrumentation & Controls Engineering, or related field.
• 3+ years of experience in facilities control systems engineering (design and operations).
• Strong understanding of PLCs, SCADA, PID, and VFDs.
• Ability to read P&ID drawings and engineering specifications.
• Experience in semiconductor facility design, construction, commissioning, and start-up.
• Professional Engineering License (PE) is a plus.

Responsibilities

• Collaborate with instrumentation and controls design vendors to ensure system requirements are met.
• Review engineering drawings, submittals, and monitor construction progress.
• Support commissioning activities, including equipment preparation and operational testing.
• Identify and resolve abnormalities during construction and start-up phases.
• Manage documentation, manuals, and handover processes for control systems.
• Provide engineering support for operation and maintenance of PLC and SCADA systems.
• Respond to facility interruptions across HVAC, process systems, UPW, WWT, gas and chemical systems, and life safety systems.
• Conduct root cause analysis and trend evaluations for facilities-related incidents.
• Modify control logic and programming to enhance system performance and prevent recurrence.
• Develop and maintain an instrument calibration program for transmitters, control valves, and positioners.
• Perform system capacity planning, troubleshooting, and sustaining activities to meet production demands.
• Partner with operations and maintenance teams to optimize system performance and reliability.
• Apply reliability engineering principles, including FMEA and root cause analysis, to improve system performance.
• Ensure compliance with safety standards, codes, and corporate control system guidelines.

Skills

PLC/SCADA knowledge

P&ID interpretation

HMI interfaces

Troubleshooting

Education

Bachelor’s degree in Electrical Engineering or related

Tools

MS Office

Job description

Amkor Technology Arizona is seeking an experienced facilities Controls System Engineer to design, install, and maintain PLC and SCADA-based control systems for the OSAT factory. You will ensure reliable and safe operation of HVAC, water treatment, and life-safety systems throughout the project lifecycle.

You will collaborate with instrument vendors, review drawings, support commissioning, perform root-cause analyses, update control logic, and help optimize system performance.