Lead Facilities Mechanical Technician

Amkor Technology, Inc.; Peoria (AZ); On-site; USD 70,000 - 100,000; Full time

Job summary

Amkor Technology Arizona is seeking a Lead Facilities Mechanical Technician to maintain, repair, and optimize HVAC systems and core facility infrastructure to ensure safe, compliant operations. The role focuses on reliability of HVAC, utilities, and critical systems in a fast-paced manufacturing environment.

The position is onsite in Peoria, AZ with a standard day schedule during construction and onboarding, then a 12-hour compressed workweek as operations scale. Equal opportunity employer.

Qualifications

• 5+ years of mechanical maintenance experience in facilities.
• Strong working knowledge of HVAC, pumps, hydronic systems.
• EPA Section 608 certification.
• Boiler or chiller operator certification is a plus.
• Experience with Building Management Systems (BMS) and energy optimization.
• Trades-school/technical certification in HVAC or related field.

Responsibilities

• Establish and implement preventive and corrective maintenance for HVAC systems and mechanical utilities.
• Repair facility plumbing systems including PCW, domestic water, wastewater, drains and valves.
• Troubleshoot mechanical components like belts, motors, bearings, valves, actuators, fans and piping.
• Monitor building management systems to optimize temperature, airflow and energy use.
• Assist commissioning and calibration of mechanical systems per SOPs.
• Ensure compliance with ASHRAE, OSHA and local codes in all activities.

Skills

HVAC knowledge

Pumps & piping

Troubleshooting

Education

EPA 608 Certification

Boiler/Chiller operation certification

Job description

Career Opportunities: Lead Facilities Mechanical Technician (29092)

Requisition ID29092-Posted09/11/2026-Facilities-Regular Non-Exempt Full-Time Employee

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 LeadFacilities 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 implement preventive and corrective maintenancefor HVAC systems,scrubbers,boilers, chillers, air handlers, pumps, compressors, and mechanical support equipment.
• Experience supporting maintenance and repair of facility plumbing systemsincluding PCW,domestic water, wastewater, drain systems, valves, associated piping(a strong plus).
• Advanced troubleshooting and repair of mechanical components including belts, motors, bearings, valves, actuators, fans, and piping systems.
• Monitor and adjust building management systems (BMS) tomaintainoptimaltemperature, airflow, humidity, and energy efficiency.
• Commissioning and calibrate mechanical systemsin accordance withSOP procedures.
• Maintain all mechanical systems in compliance with applicable codes, standards, and regulations (ASHRAE, OSHA, local mechanical codes, etc.).
• Follow lockout/tagout (LOTO), confined space, and other safety protocols.
• Diagnose mechanical failures using technical tools, schematics, test equipment, and system data.
• Recommend improvements or modifications to enhance equipment reliability.
• Support mechanical infrastructure upgrades, retrofits, and equipment installations.
• Ability to develop procedures using mechanical drawings, schematics, manuals, central control rooms, and using CMMS work order and asset management systems.

Qualifications

• High School Diploma/ GED required; Technical College or Trade Program preferred.
• 5+ 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.
• EPA Section 608 certification (Type I/II/III or Universal).
• Boiler or chiller operator certificationisplus.
• Experience with Building Management Systems (BMS) and energy optimization.
• Tradeschool or technical certification in HVAC, mechanical systems, or a related field

Physical Requirements:

Ability to work in various weather conditions and awkward positions.

Ability tolift upto 50lbsand 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.