Jobs › Plexus

Senior Manager - Planning

Plexus · Neenah, WI · $129,500–$194,300 a year · Full time

Posted Jul 28, 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 the planning organization you lead today. How big is it and what do you own?

What they are checking: Whether their scope matches leading planning for a large, multi-customer manufacturing site.

Tell me about a time you changed a planning process and what results it delivered.

What they are checking: Whether they drive improvement in how planning works, not just run the current process.

How do you develop planners and build future leaders on your team?

What they are checking: Whether they grow people and build a bench rather than doing the hard calls themselves.

What would you do

Customer forecasts swing wildly month to month. How do you protect the factory and the customer?

What they are checking: Whether they can manage volatility with buffers, agreements and honest communication.

A major part shortage hits three customers at once. How do you decide who gets the parts?

What they are checking: Whether they can make tough allocation calls using clear criteria and get leadership aligned.

Operations says planning keeps changing the schedule. How do you respond?

What they are checking: Whether they can protect schedule stability while still responding to customer changes.

About the work

How do you run sales and operations planning in a contract manufacturing environment with many customers?

What they are checking: Whether they can balance demand from many customers against shared capacity and materials.

How do you set inventory targets, and how do you hold your team to them?

What they are checking: Whether they manage inventory as a financial lever without starving production.

Walk me through how MRP works in your ERP and where it usually goes wrong.

What they are checking: Whether they understand planning systems deeply enough to fix bad data and bad signals.

What metrics do you use to judge planning performance?

What they are checking: Whether they manage with measures like on-time delivery, schedule attainment and inventory turns.

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The full job description

As published by Plexus.

About us: At Plexus, our vision is to help create the products that build a better world. Driven by a passion for excellence, we partner with leading Aerospace/Defense, Healthcare/Life Sciences and Industrial companies to design, manufacture and service some of the world’s most transformative products, including advanced surgical systems, diagnostic instruments, healthcare imaging equipment, mission critical aerospace systems, and electric vehicle (EV) charging solutions. Visit Plexus.com to learn more about our unwavering commitment to our vision. When we invest in our people, we invest in building a better world. With a vision rooted in the wellbeing and inclusive engagement of our team members, our customers, their end users and our communities, people are the heart of what we do and who we are. It is our values that unite us and guide us in everything that we do, including how we operate, behave and interact to foster a workplace where every team member feels valued and empowered to contribute their best. Our values include: Growing our People, Building Belonging, Innovating Responsibly, Delivering Excellence and Creating Customer Success. As a team member, you will engage in impactful work through global collaboration and the use of emerging technologies, join an inclusive culture where every team member is valued and working toward a greater purpose, and be empowered to reach your full potential through various development programs designed to accelerate your growth. Plexus offers a comprehensive benefits package designed to support team members' wellbeing, including medical, dental, and vision insurance, paid time off, retirement savings, and opportunities for professional development. We also prioritize work-life balance and offer a variety of perks to enhance the team member experience. For more information, visit our US benefits website at usbenefits.plexus.com . Our commitment to pay range transparency fosters an equitable workplace, where everyone can feel valued. The annual compensation range for this position is stated below. The salary offered within this range will be based upon the geographic location, work experience, education, licensure requirements and/or skill level. Salary Range: $129,500.00 - $194,300.00 Purpose Statement: This position will be responsible for defining the demand management and planning processes. Ensuring world class Demand Management & Planning Processes and tools are in place, trained and utilized effectively globally. Lead the deployment of Best Practice. Key Job Accountabilities: • Develop metrics that are globally used to measure supply chain performance supporting demand management and planning. Measure the effectiveness of demand management and planning processes • Lead development, implementation, documentation and training of demand management and planning processes across all regions. Update training and documentation related to these enhancements, including Standard Operating Procedures (SOP), Work Instructions (WI) and Specific Functional Training (SFT). Ensure best practices exist across all regions. • Develop improved processes for demand management and planning in order to enhance Supply Chain tools and systems. Ensure the demand management and planning processes meet the company’s objectives of maximizing customer service, limiting inventory investment and maintaining high operating efficiencies. • Lead and support Site/Regional supply chain teams in the analysis and design of optimal supply chain strategies. Provide guidance to the team in terms of tools and processes available to design solutions that achieve the goals of Plexus, our customers and our suppliers. • Responsible to exemplify and hold their team accountable to demonstrating the Plexus Core Values. Leader will focus on evaluating potential, driving succession planning, and ensuring their employees receive the development and coaching required to realize their full potential. Education/Experience Qualifications: • Bachelor’s degree and 8 - 10+ years of experience in the related field, or a Master’s degree and at least 5 years of experience in the related field. Previous experience in a management role is required. Other Qualifications: • Employee must be self-motivated with the ability to work independently and in a team environment. • Employee must possess good written and oral communication, organizational and troubleshooting skills. • The ability to take a proactive approach, and take ownership for all activities related to the success of the Focus Factory in order to ensure successful operations. • Employee must work safely at all times and maintain confidentiality of all company and customer information. • Must have computer experience with Google Workspace or Microsoft Word, Microsoft Excel, and the ability to learn Plexus Data Collection and MRP/ERP systems. This document does not represent a contract of employment and is not intended to capture every possible assignment the incumbent could be asked to perform. We are pleased to provide reasonable accommodations to individuals with disabilities or special requirements. If you need an application accommodation, please contact us by email at GHQ.TA@plexus.com . Please include your contact information and clearly describe how we can help you. This email is for accommodation requests only and cannot be used to inquire about the status of applications. We are an Equal Opportunity Employer (EOE) and do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. Some offers of employment are contingent upon successfully passing a drug screen and/or background check.

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