Facilities Mechanical Technician

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. (Nasdaq: AMKR) is the world’s largest U.S. headquartered OSAT and is a global leader in outsourced semiconductor packaging and test services. With a strong track record of innovation, a broad and diverse geographic footprint and solid partnerships with lead customers, Amkor delivers high-quality solutions that enable the world’s leading semiconductor and electronics companies to bring advanced technologies to market. The company’s comprehensive portfolio includes advanced packaging, wafer‑level processing, and system‑in‑package solutions targeting applications for smartphones, data centers, artificial intelligence, automobiles and wearables. For more information visit amkor.com.

Position Summary

Amkor Technology Arizona is seeking an experienced Facilities Mechanical Technician, responsible for maintaining, repairing, and optimizing mechanical systems and equipment that support building operations. This role ensures reliable performance of HVAC infrastructure, mechanical utilities, and critical facility systems to maintain a safe, compliant, and efficient working environment.

Job 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.

Required Qualifications

• 3+ years of mechanical maintenance experience in industrial, commercial, or manufacturing facilities. (semiconductor industry is 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.

Preferred Qualifications

• EPA Section 608 certification (Type I/II/III or Universal).
• Boiler or chiller operator certification is plus.
• Experience with Building Management Systems (BMS) and energy optimization.
• Trade school or technical certification in HVAC, mechanical systems, or a related field

Physical Requirements

• Ability to work in various weather conditions and awkward positions.
• Ability to lift up to 50 lbs and work in mechanical spaces, rooftops, and equipment rooms.
• Exposure to sharp, hot, and cold equipment.
• Must be medically qualified to wear a respirator.
• Ability to climb ladders, work at elevation, and in confined spaces with PPE.

Location

Peoria, AZ. This position is onsite. During the construction phase and initial onboarding period, employees will work a standard Monday–Friday schedule of 8:00 a.m. to 5:00 p.m. As the facility transitions into manufacturing operations, the role will move to a 12‑hour compressed workweek schedule. Shift assignments may include day or night shifts, weekends, and holidays, and will be determined based on business and operational needs.

Amkor is proud to be an Equal Opportunity Employer. We do not discriminate on the basis of race, color, ancestry, national origin, religion or religious creed, mental or physical disability, medical condition, genetic information, sex (including pregnancy, childbirth, and related medical conditions), sexual orientation, gender identity, gender expression, age, marital status, military or veteran status, citizenship, or other characteristics protected by state or federal law or local ordinance.