Onsite Facilities Mechanical Technician – HVAC

Amkor Technology, Inc.; Peoria (AZ); On-site; USD 65,000 - 90,000; Full time

Job summary

Amkor Technology, Inc. in Peoria, AZ is seeking an experienced Facilities Mechanical Technician to maintain and optimize HVAC and mechanical systems that support building operations.

The role ensures reliable performance of critical facility systems to maintain a safe, compliant, and efficient working environment. Responsibilities include preventive and corrective maintenance on HVAC, plumbing, and mechanical components; BMS monitoring; commissioning support; and documentation using CMMS tools.

Qualifications

• 3+ years of mechanical maintenance experience in industrial, commercial, or manufacturing facilities (semiconductor industry preferred).
• Strong working knowledge of HVAC, pumps, hydronic systems, compressed air, piping, and mechanical utilities.
• Ability to interpret mechanical drawings, schematics, and manuals.
• Experience using CMMS work order and asset management systems.
• Experience of working in the Central Control rooms as an operator.

Responsibilities

• Establish and perform preventive and corrective maintenance on HVAC systems, scrubbers, boilers, chillers, air handlers, pumps, compressors, and mechanical support equipment.
• Experience supporting maintenance and repair of facility plumbing systems including PCW, domestic water, wastewater, drain systems, valves, associated piping (a strong plus).
• Inspect, troubleshoot, and repair mechanical components including belts, motors, bearings, valves, actuators, fans, and piping systems.
• Conduct routine rounds and equipment performance checks to ensure proper operation.
• Monitor and adjust building management systems (BMS) to maintain optimal temperature, airflow, humidity, and energy efficiency.
• Start up, shutdown, and calibrate mechanical systems in accordance with operating procedures.
• Support mechanical system commissioning, validation, and performance testing.
• Maintain all mechanical systems in compliance with applicable codes, standards, and regulations (ASHRAE, OSHA, local mechanical codes, etc.).
• Keep accurate maintenance logs, equipment histories, and documentation using CMMS tools.
• Follow lockout/tagout (LOTO), confined space, and other safety protocols.
• Diagnose mechanical failures using technical tools, schematics, test equipment, and system data.
• Respond to facility work orders and emergency calls related to system performance issues.
• Recommend improvements or modifications to enhance equipment reliability.
• Support mechanical infrastructure upgrades, retrofits, and equipment installations.
• Collaborate with technicians, engineers, contractors, and vendors on maintenance activities and repairs.
• Assist with facility shutdowns, system integrations, and equipment lifecycle planning.

Skills

Mechanical maintenance experience

HVAC systems

Pumps and hydronic systems

Piping and utilities

CMMS usage

Building Management Systems (BMS)

Reading drawings/schematics

Central Control rooms operation

Tools

CMMS

BMS

Job description

Amkor Technology, Inc. in Peoria, AZ is seeking an experienced Facilities Mechanical Technician to maintain and optimize HVAC and mechanical systems that support building operations.

The role ensures reliable performance of critical facility systems to maintain a safe, compliant, and efficient working environment. Responsibilities include preventive and corrective maintenance on HVAC, plumbing, and mechanical components; BMS monitoring; commissioning support; and documentation using CMMS tools.