Senior Staff Engineer Jobs in Arizona

INTRODUCTION

Global leader in outsourced semiconductor packaging and test services is looking for a Senior Staff Engineer – Ultra-Pure Water, to join their team!!

Position Summary:

Top Semiconductor packaging and test company is seeking an experienced facilities UPW Engineer, responsible for the design, installation, commissioning, and ongoing operation of Ultra-Pure Water (UPW) systems for Amkor’s OSAT factory. This includes RO, EDI, DI, and ultrafiltration systems to ensure reliable and high-quality water supply for our facility. The role supports system performance, compliance, and continuous improvement throughout the project lifecycle.

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.

• Collaborate with UPW design vendors to ensure system requirements and specifications are met.
• Review engineering drawings, submittals, and monitor construction progress.
• Support commissioning activities, including equipment preparation, operational testing, and system validation.
• Identify and resolve abnormalities during construction and start-up phases.
• Manage documentation, manuals, and handover processes for UPW systems.
• Conduct training and on-the-job training (OJT) for operations and maintenance teams.
• Oversee production and delivery of UPW to site production areas, ensuring system reliability and water quality standards.
• Collaborate with WWT/BRF engineering teams for integrated water management strategies.
• Develop preventive maintenance programs and emergency response procedures.
• Implement technology upgrades to improve reliability, efficiency, and sustainability.
• Perform system capacity planning, troubleshooting, and sustaining activities to meet dynamic production demands.
• Partner with operations and maintenance teams to optimize system performance and streamline maintenance strategies.
• Maintain accurate documentation for operational and maintenance procedures.
• Ensure compliance with environmental regulations and corporate standards.

Required Qualifications:

- 5+ years of experience in UPW systems engineering (design and operations), preferably in semiconductor or high-tech manufacturing.
- Strong understanding of UPW systems, water treatment technologies, and industry standards.
- Ability to read and interpret engineering drawings and specifications.
- Knowledge of adjacent disciplines (automation, wastewater, gas, chemicals).
- Proficiency in MS Office, Bluebeam, and engineering tools.
- Strong analytical, decision-making, and troubleshooting skills.
- Experience in semiconductor facility design, construction, commissioning, and start-up.
- 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 Northern Phoenix sites during the Construction phase and will transition to Northern Phoenix for management during the Factory Operation phase.