Sr. Engineer, Facilities Wastewater (ATA)

Amkor Technology; Tempe (AZ); On-site; USD 85,000 - 120,000; Full time

Job summary

Amkor Technology Arizona is seeking an experienced Wastewater Engineer to support design, construction, commissioning, and operation of our new OSAT facility. You will ensure regulatory compliance, optimize treatment operations, and advance sustainable water management to meet ESG goals.

Responsibilities include overseeing treatment systems, collaborating with engineering teams, maintaining records, and assisting with permits while promoting safety and continuous improvement throughout project

Qualifications

• Bachelor’s degree in Environmental Engineering, Chemical Engineering, or related field.
• 3+ years of wastewater treatment operations experience, preferably in semiconductor.
• Strong knowledge of biological, chemical, and physical treatment processes.
• Familiarity with SCADA systems and automated monitoring tools.
• Excellent problem-solving and communication skills.

Responsibilities

• Assist design, installation, and commissioning of wastewater treatment systems for the organic, inorganic waste treatment and BRF facilities.
• Collaborate with engineering teams and contractors to ensure system reliability and scalability.
• Oversee daily operation of wastewater treatment plants, including monitoring, troubleshooting, and preventive maintenance.
• Maintain accurate records of water quality, flow rates, and chemical usage.
• Permitting: Ensure compliance with county regulations; prepare and submit reports to regulatory agencies; support wastewater discharge permits and approvals.
• Implement continuous improvement initiatives to reduce water consumption and improve treatment efficiency.
• Enforce safety protocols for chemical handling and equipment operation.
• Support ESG reporting related to water management.

Skills

Problem-solving

Communication

Environmental concepts

Education

Bachelor's degree in Environmental or Chemical Engineering

Tools

AutoCAD

Revit

MS Office

Bluebeam

Job description

Requisition ID29045-Posted07/31/2026-Facilities-Regular 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 facilities Wastewater Engineer, responsible for supporting the ongoing design, construction, commissioning and operations for our new OSAT facility. This role ensures compliance with environmental regulations, manages permitting processes, maintain and optimizes treatment operations, and supports sustainable water management practices to meet production and corporate ESG goals.

Essential Duties and Responsibilities:

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.

• Support the design, installation, and commissioning of wastewater treatment systems for the organic, inorganic waste treatment and BRF facilities.
• Collaborate with engineering teams and contractors to ensure system reliability and scalability.
• Oversee daily operation of wastewater treatment plants, including monitoring, troubleshooting, and preventive maintenance.
• Maintain accurate records of water quality, flow rates, and chemical usage.
• Permitting: Ensure compliance with the county regulations. Prepare and submit required reports to regulatory agencies. Support ongoing efforts to develop and secure wastewater discharge permits and related environmental approvals.
• Implement continuous improvement initiatives to reduce water consumption, improve treatment efficiency, and minimize discharge impact.
• Enforce safety protocols for chemical handling and equipment operation.
• Support corporate sustainability goals and ESG reporting related to water management.

Required Qualifications:

• Bachelor’s degree in Environmental Engineering, Chemical Engineering, or related field.
• 3+ years of experience in wastewater treatment operations, preferably in semiconductor.
• Strong knowledge of biological, chemical, and physical treatment processes.
• Familiarity with SCADA systems and automated monitoring tools.
• Excellent problem-solving and communication skills.
• Proficiency in software tools (AutoCAD, Revit, MS Office, Bluebeer).
• Experience in design, construction, commissioning, and start-up preferred.
• Professional Engineering License (PE) is a plus.

Physical Requirements:

• 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.

Location:

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.