Accounts Payable Specialist

Posted:
3/10/2026, 12:26:33 AM

Location(s):
Wisconsin, United States ⋅ Sussex, Wisconsin, United States

Experience Level(s):
Junior

Field(s):
Customer Success & Support ⋅ Sales & Account Management

Workplace Type:
On-site

We are Energy Systems, the leader in industrial power solution sales, service, and rentals.

With an ongoing tradition of providing excellent products and outstanding service for our customers, Energy Systems is one of the longest existing Generac Industrial Distributors in the United States. We are a full-service distributor of Generac equipment and solutions providing sales, service and rentals.

In the role of Accounts Payable Specialist II working onsite in Sussex, Wisconsin you will support the accounting department with accounts payable functions.

Office Location:

Generac Power Systems

N64W23110 Main Street

Sussex, WI 53089

Essential Duties:

  • Process AP vouchers, vendor credits, and debit memos.

  • Review invoices for accuracy, documentation, and required approvals.

  • Perform three-way matching for production/direct POs and verify indirect PO invoices.

  • Prioritize invoice processing based on payment terms and cash discounts.

  • Respond to vendor, buyer, and internal inquiries in a timely manner.

  • Review AP statements and assist with A/R offsets, cash application, and AR inbox support.

  • Support system enhancements and process improvements within the AP function.

  • Provide backup support for departmental duties and assist with additional accounting activities as needed.

Minimum Qualifications:

  • High School Diploma or equivalent experience

  • Minimum of 1 year experience in accounts payable

Preferred Qualifications:

  • Experience in a manufacturing setting 

  • Experience using Field Servio or equivalent ERP

  • Proficiency in Microsoft Office (Excel, Word, Outlook)

  • Understanding of basic accounting principles

  • Ability to perform basic mathematical calculations quickly and accurately

Great Reasons to work for Generac:

  • Competitive Benefits: Health, Dental, Vision, 401k and many more

  • Free onsite gym open Monday through Saturday for Generac employees

  • We offer product loan (for up to 4 days) and discount programs 

  • Pride! When a storm strikes, Generac employees always rise to the occasion. Each time a storm hits, many employees volunteer their time with the customer support team or on the production line, while others go right into storm-affected areas to repair generators 

  • Make a positive impact. Generac has always been community-minded and dedicated to giving back. The company proudly offers a Volunteer Time Off program, inviting team members to participate in charitable volunteer opportunities on company time. 

  • We believe in having fun. From minor celebrations to major events, our employees balance their work by building a strong culture of teamwork and collaboration through a variety of occasions, including our Fun Days. 

  • We’re an inclusive company that celebrates differences and keeps equity and respect at the forefront.

Physical Demands: While performing the duties of this job, the employee is regularly required to talk and hear; and use hands to manipulate objects or controls. The employee is regularly required to stand and walk.  On occasion the incumbent may be required to stoop, bend or reach above the shoulders. The employee must occasionally lift up to 25 pounds. Specific conditions of this job are typical of frequent and continuous computer-based work requiring periods of sitting, close vision and ability to adjust focus. Occasional travel.

“We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, national origin, disability status, protected veteran status, or any other characteristic protected by law.”

Generac Power Systems Inc

Website: https://www.generac.com/

Headquarter Location: Waukesha, Wisconsin, United States

Employee Count: 5001-10000

Year Founded: 1959

IPO Status: Public

Last Funding Type: Grant

Industries: Electrical Distribution ⋅ Electronics ⋅ Energy ⋅ Manufacturing