Jobs › Entegris

Specialist, Supply Chain Planning

Entegris · Aurora, IL · $80,000–$90,000 a year · Full time

Posted Sep 17, 2026 · We last checked this listing on Oct 6, 2026

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Likely interview questions for this role

Written from this job description, not a generic list. Each one notes what the interviewer is really checking.

About your past

Tell me about a time a production schedule you built fell apart. What happened and what did you learn?

What they are checking: Whether they own planning misses and adjust their process afterward.

Tell me about a constraint you spotted early and raised before it hit a customer delivery.

What they are checking: Whether they plan ahead and surface risks, which the posting calls out directly.

What would you do

A key raw material is late and three customer orders depend on it. How do you rework the schedule?

What they are checking: Whether they can resequence quickly and communicate tradeoffs before customers are affected.

Manufacturing says your schedule isn't achievable. How do you handle that conversation?

What they are checking: Whether they listen to the floor and adjust plans while keeping customer priorities clear.

Sales calls with a rush order that would bump a committed order. What do you do?

What they are checking: Whether they escalate priority conflicts with data instead of deciding alone or saying yes to everyone.

About the work

Walk me through how you'd turn customer demand into an executable production schedule for a work center running 24/5 plus weekends.

What they are checking: Whether they plan against real capacity, materials, and labor rather than demand alone.

How have you created and released production orders in an ERP or MRP system?

What they are checking: Whether they have hands-on system experience the role depends on every day.

How do you sequence production to reduce changeovers without hurting on-time delivery?

What they are checking: Whether they understand the tradeoff between efficiency and service in scheduling.

How would you measure schedule adherence, and what would you do if it stayed low?

What they are checking: Whether they can use adherence data to find root causes rather than blame operations.

How do you keep inventory low without starving the line?

What they are checking: Whether they understand safety stock and buffer decisions in a manufacturing setting.

Practice this interview out loud.

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The full job description

As published by Entegris.

Job Title: Specialist, Supply Chain Planning Job Description: The Role Entegris is seeking a full ‑ time Specialist, Production Planner to support daily manufacturing operations at our Aurora, IL. This position is an onsite position supporting 24/5 and weekend operation. The Production Planner is responsible for developing and managing executable production plans that align customer demand, inventory requirements, material availability, manufacturing capacity, and operational priorities. This position serves as a critical link between Supply Chain Planning and Manufacturing, ensuring production schedules are achievable, priorities are clearly communicated , and potential constraints are shown and addressed before they impact customer delivery. The Production Planner will play a key role in improving On-Time Delivery, production schedule adherence, capacity utilization , inventory performance, and overall manufacturing execution. What You’ll Do • Develop and maintain production schedules for assigned manufacturing lines and work centers. • Translate customer demand and supply requirements into executable production plans. • Create, release, and maintain production orders within the ERP/MRP system. • Balance demand, inventory, capacity, labor, materials, and manufacturing constraints. • Sequence production to optimize available capacity and minimize unnecessary changeovers. • Maintain appropriate planning horizons and ensure production priorities are clearly communicated . • Re-plan production as demand, capacity, material availability, or operational priorities change. • Monitor daily production performance against the established schedule. • Show production orders at risk of missing planned completion or customer commitment dates. • Partner with Production leadership to develop recovery plans for missed or at-risk orders. • Monitor and improve production schedule adherence. • Analyze causes of schedule misses, delays, and production interruptions. • Escalate significant risks and constraints with clear recommendations and recovery actions. • Partner with Procurement and Material Planning to ensure material availability supports the production plan. • Identify material shortages and communicate their potential impact on production and customer commitments. • Prioritize production based on material availability, customer requirements, inventory position, and business priorities. • Support efforts to minimize shortages, excess inventory, and unnecessary production. • Align production plans with customer requested dates and committed ship dates. • Show orders at risk of becoming past due and proactively communicate potential impacts. • Partner with Customer Service and Sales when customer priorities or requirements change. • Support initiatives designed to improve customer service and On-Time Delivery. • Develop strong working relationships with Production, Procurement, Quality, Engineering, Warehouse, Customer Service, Sales, and Supply Chain. • Participate in daily production and supply chain meetings. • Communicate production priorities, constraints, shortages, and recovery plans. • Drive alignment between the production schedule and operational execution. • Monitor key planning and manufacturing performance indicators. • Develop and maintain reports supporting production planning and decision-making. • Identify trends and opportunities to improve planning effectiveness. • Support initiatives to improve schedule adherence, OTD, inventory, capacity utilization , and schedule stability. • Improve planning processes, ERP/MRP parameters, data accuracy, and standard work. • Participate in Lean, continuous improvement, and process optimization initiatives. What We Seek • Bachelor’s degree in Supply Chain , Operations, Business, Industrial Engineering, or related discipline; equivalent experience may be considered . • 3+ years of experience in production planning, supply planning, manufacturing planning, or a related role. • Manufacturing environment experience required . • Strong analytical and problem-solving capabilities. • Experience working with ERP/MRP systems. Preferably SAP • Advanced Excel/data-analysis capabilities. • Strong organizational and prioritization skills. • Ability to manage multiple priorities in a fast-paced manufacturing environment. • Strong written and verbal communication skills. • Ability to work effectively across functional boundaries. • Power BI or other data-visualization experience, preferred. • Capacity planning and constraint-management experience, preferred. • Experience in discrete, batch, or complex manufacturing, preferred. • Experience working with MPS/MRP modules, preferred. 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. 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. • Compensation: $80,000 - $90,000 per year range with actual pay dependent on candidate overall skills for the role • Annual bonus eligibility • Progressive paid time off policy that empowers you to take the time you need to recharge • Generous 401(K) plan with an impressive employer match with no delayed vesting • Excellent health, dental and vision insurance packages to fit your needs • Education assistance to support your learning journey • A values-driven culture with colleagues that rally around People, Accountability, Creativity and Excellence Entegris does not provide immigration-related sponsorship for this role. Do not apply for this role if you will need Entegris immigration sponsorship (e.g., H1B, TN, STEM OPT, etc.) now or in the future. 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. #LI-TP1

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