Entegris is seeking a Senior Production Supervisor who can lead and optimize operations in a fastpaced, technologydriven, and continuously improving manufacturing environment. This role provides operational leadership in planning, organizing, and enhancing production activities to meet safety, quality, productivity, and cost targets. As part of the new Precursor Chemicals project, the Senior Supervisor will play a critical role in establishing stable operations, ensuring operational readiness, driving process improvements, and developing a highperformance production team. This position is based at the Oseong Plant in Korea. 

What You’ll Do 

• Lead and supervise employees in the manufacturing & Shipping of New Precursor Chemical products, ensuring safe, compliant, and efficient daily operations.  

• Manage and optimize key production KPIs, including yield, throughput, equipment downtime, scrap reduction, and OEE/OLE performance. 

• Oversee production planning, RM/consumables forecasting, inventory management, and warehouse operations to ensure uninterrupted supply. 

• Develop, implement, and maintain Work Instructions (WI), SOPs, and required documentation in alignment with Quality System standards. 

• Drive continuous improvement initiatives focused on safety, quality, process efficiency, equipment utilization, and 5S. 

• Ensure full compliance with Quality Systems, including training, documentation, audit readiness, CAPA execution, and regulatory requirements.  

• Provide leadership in team development, including training, competency qualification, scheduling, and personnel management. 

What We Seek 

Must Have 

• B.S. in Chemical Engineering or related engineering field. 

• 5–10 years of experience in chemical manufacturing with proven supervisory leadership. 

• Strong understanding of production operations, SOP/WI compliance, and Quality Systems. 

• Experience in raw material/consumables planning, inventory control, and warehouse operations. 

• English proficiency for communication with global stakeholders. 

• Strong problem‑solving capability, with the ability to manage multiple priorities in a fast‑paced environment. 

Preferred 

• Experience with precursor chemical handling, including canister‑based systems. 

• Experience supporting chemical plant startups, ramp‑up, commissioning, or operational readiness. 

• Knowledge of Lean, 5S, Six Sigma, or other process optimization methodologies. 

• Hands‑on experience with CAPA, internal/external audits, and regulatory compliance. 

• Familiarity with SAP or other ERP/MRP systems for production and warehouse operations. 

Competencies/Soft skills/etc. 

• Operational Leadership: Ability to stabilize operations, drive KPIs, and lead teams effectively. 

• Technical Problem Solving: Skilled in RCA, deviation management, and corrective action deployment. 

• Quality & Compliance Mindset: Strong understanding of documentation, audits, and regulatory expectations. 

• Cross‑Functional Collaboration: Able to work seamlessly with Engineering, Facilities, QA/QC, Supply Chain, IT, and EHS teams. 

• Communication & Accountability: Clear communicator who promotes transparency, ownership, and teamwork. 

​Why Work at Entegris 

Lead. Inspire. Innovate. Define Your Future. 

Not everyone who works for a global company shares the same background, experiences and perspectives. We leverage the differences of our employees to bring new ideas to the table. Every employee throughout the company is encouraged to share input on projects and initiatives. Our decision-making process is truly a collaborative effort as we realize there are leaders at every level of the organization. We put our values at the core of how we operate as an organization — not just when it’s convenient, but in a lasting and meaningful way. We want the time and energy you spend here to have a positive impact on your life inside and outside of the office. 

(Visit Entegris Korea Career site) 

What We Offer 

Our total rewards package goes above and beyond just a paycheck. Whether you’re looking to build your career, improve your health, or protect your wealth, we offer generous benefits to help you achieve your goals. 

• Generous Retirement Pension plan 

• Impressive Flexible benefits, you can use as online cash 

• Excellent group insurance packages to fit your needs 

• Flexible work schedule 

• Paid time off (PTO) policy empowering you to take the time you need to recharge 

• Education assistance to support your learning journey 

• Values-driven culture with colleagues that rally around People, Accountability, Creativity and Excellence 

At Entegris we are committed to providing equal opportunity to all employees and applicants. Our policy is to recruit, hire, train, and reward employees for their individual abilities, achievements, and experience without regard to race, color, religion, sexual orientation, age, national origin, disability, marital or military status.