Sr. Staff Engineer, Gas & Chemical; ATA

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 Technology Arizona is seeking an experienced facilities Gas and Chemical Engineer, responsible for supporting the ongoing design, construction, commissioning and operations for Gas and Chemical systems. Responsibilities will evolve throughout the project lifecycle, ranging from design and commissioning to full-scale operations, requiring adaptability and a proactive approach to each phase.

• Collaborate with design vendors to ensure gas and chemical 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 gas and chemical systems.
• Provide engineering support for operation and maintenance of gas and chemical distribution systems.
• Ensure safe and reliable operation of Gas Cabinets, CDMs, VMBs, VMPs, chemical control systems, and toxic gas monitoring systems.
• Perform system capacity planning, troubleshooting, and sustaining activities to meet production demands.
• Develop and maintain system databases, shutdown plans, and expansion strategies.
• Partner with operations and maintenance teams to optimize performance and reliability.
• Conduct system evaluations and implement improvements through capital and expense projects.
• Maintain accurate documentation for operational and maintenance procedures.
• Apply reliability engineering principles, including FMEA and root cause analysis, to improve system performance.
• Ensure compliance with safety standards, codes, and environmental regulations.

• Bachelor’s degree in Chemical Engineering or related field. Master’s degree highly preferred.
• 8+ years of experience in gas and chemical facilities engineering (design and operations).
• Strong understanding of Gas Cabinets, CDMs, VMBs, VMPs, chemical control systems, and toxic gas monitoring systems.
• Ability to read and interpret engineering drawings and specifications.
• Knowledge of adjacent disciplines (automation, drains, UPW, exhaust, environmental systems).
• Proficiency in MS Office and engineering tools.
• Strong analytical, decision-making, and time management skills.
• Experience in design, construction, commissioning, and start-up preferred.
• Professional Engineering License (PE) is a plus.

• Ability to work in various weather conditions and awkward positions.
• Regularly lift up to 50 lbs. and adjust heavy objects.
• 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.

This position will be based at the Arizona Tempe and Peoria sites during the Construction phase and will transition to Peoria for management during the Factory Operation phase.

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.