Jobs › Charter Manufacturing

Accounts Payable Supervisor

Charter Manufacturing · Mequon, WI · Full time

Posted Sep 14, 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

Walk me through how you've run an AP team in a high-volume shared services setup. What did a normal week look like for you?

What they are checking: Whether they have actually led transactional volume, not just processed invoices alongside the team.

Tell me about a time you found a duplicate payment or a payment error after it went out. How did you handle it and what did you change?

What they are checking: Whether they own mistakes, recover money calmly, and fix the root cause rather than just the single case.

How do you coach an AP specialist whose accuracy has slipped over the last couple of months?

What they are checking: Whether they can address performance directly and fairly while finding out what is actually causing the drop.

Describe a process you made more efficient or more consistent. How did you get the team to adopt it?

What they are checking: Continuous improvement that sticks, which depends on bringing people along as much as redesigning steps.

What would you do

It's month end, a plant manager is calling about a supplier who is threatening to stop shipping over a late payment, and your team is short a person. What do you do?

What they are checking: Prioritizing under pressure in a manufacturing setting where an unpaid supplier can stop production.

A senior leader asks you to rush a payment to a new vendor that hasn't gone through setup yet. How do you respond?

What they are checking: Whether they hold financial controls under pressure from rank while still being helpful and fast.

How do you partner with Finance stakeholders who need accruals and reporting from AP at close?

What they are checking: Understanding how AP data feeds the close and how to deliver accurate, timely numbers to others.

About the work

What controls do you expect to see around vendor master changes, like a supplier asking to switch bank accounts?

What they are checking: Whether they know where AP fraud really happens and treat bank detail changes as a high-risk event.

Explain how a three-way match works and what you do with the invoices that fail it.

What they are checking: Basic AP mechanics plus judgment about exceptions, which is where most of a supervisor's time goes.

You'd be maintaining and improving our expense reporting system. What makes an expense reporting process good for both employees and Finance?

What they are checking: Whether they can balance policy enforcement with ease of use so people actually submit clean reports on time.

What AP metrics would you track to know if the team is healthy, and which one do you look at first?

What they are checking: Whether they manage by data such as cycle time, exceptions and on-time payment rather than by feel.

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The full job description

As published by Charter Manufacturing.

Charter Manufacturing is a fourth-generation family-owned business where our will to grow drives us to do it better. Join the team and become part of our family! Accounts Payable Supervisor Position Overview We’re looking for a motivated and results-driven Accounts Payable leader to join our Finance team. In this role, you’ll partner closely with Finance stakeholders and Accounts Payable Specialists to ensure accurate transactions, strong financial controls, and timely reporting. You’ll play a key role in maintaining and optimizing our expense reporting system while driving efficiency and consistency across Shared Services processes. This is a great opportunity to lead a high-performing team and influence continuous improvement within a dynamic environment. What You’ll Bring (Minimum Qualifications) • Bachelor’s degree in Accounting, Finance, or a related degree, or equivalent combination of education and relevant professional experience • 3+ years of accounting or general business experience • 1+ year of leadership or supervisory experience • Strong working knowledge of Accounts Payable systems and processes • Analytical mindset with the ability to independently evaluate and resolve AP-related issues • Experience in a Shared Services or high-volume transactional accounting environment • Customer-first approach with strong collaboration skills • Proven ability to lead and contribute in a team environment • Experience with ERP systems and data analysis/reporting • Ability to develop, interpret, and improve policies and procedures • Strong initiative and ability to work independently • Advanced proficiency in Microsoft Office (Excel, Word, PowerPoint) • Demonstrated focus on continuous improvement and process optimization • Excellent communication skills and exceptional attention to detail Preferred Qualifications • Bachelor’s degree in Accounting or Finance • 5+ years of related experience • Knowledge of general accounting practices and financial controls • Experience in business process improvement initiatives • Familiarity with automated AP systems (e.g., Newgen, OnBase, or similar tools) • Flexibility and adaptability in a fast-changing business environment What You’ll Do (Key Responsibilities) • Lead, coach, and develop a team of Accounts Payable professionals to drive performance and engagement • Provide direction and support on departmental strategic initiatives • Oversee monthly general ledger reconciliations and ensure accuracy of financial data • Manage and maintain AP systems (including OnBase), providing training and support as needed • Identify process improvement opportunities and lead implementation efforts • Participate in or lead finance-related projects and cross-functional initiatives • Ensure timely and accurate 1099 reporting and compliance with regulatory requirements • Review AP transactions, identify discrepancies, and resolve issues proactively • Deliver daily and monthly reporting, insights, and performance metrics • Monitor team performance and manage workload allocation effectively • Support the development and maintenance of policies, procedures, and documentation • Assist with internal and external audits • Provide technical guidance and problem-solving support to the AP team • Support month-end close activities, including reconciliations and reporting • Ensure adherence to Environmental, Quality, and Safety standards Why Join Us • Opportunity to make a meaningful impact on finance operations and process improvement • Collaborative and supportive team environment • Leadership role with visibility across Finance and Shared Services • Continuous learning and professional development opportunities #app250 We offer comprehensive health, dental, and vision benefits, along with a 401(k) plan that includes employer matching and profit sharing. Additionally, we offer company-paid life insurance, disability coverage, and paid time off (PTO).

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