Demo

Senior AP Specialist

Fathom Mfg
Hartland, WI Full Time
POSTED ON 10/12/2026
AVAILABLE BEFORE 12/11/2026

Company History: Fathom is one of the largest digital manufacturing platforms offering on-demand manufacturing in North America. With more than 90 large-platform industrial-grade 3D printing machines and a national footprint with more than 500,000 square feet of manufacturing capacity across 10 facilities, Fathom seamlessly blends in-house capabilities across plastic and metal additive technologies, CNC machining, injection molding & tooling, urethane casting, sheet metal fabrication, and design and engineering.

With over 50 years of industry experience, Fathom is at the forefront of the industry 4.0 digital manufacturing revolution serving clients in the technology, defense, aerospace, medical, automotive and IOT sectors. Fathom’s extensive certifications include ISO 9001:2015, ISO 9001:2015 Design, ISO 13485:2016, AS9100:2016, NIST 800-171 and ITAR.

Position Summary

The Accounts Payable Specialist is responsible for new supplier on-boarding, review and posting of supplier invoices, matching to purchase orders and receipts when applicable, obtaining proper approvals for payment, proposing payments and initiating electronic payments in the bank website. This role requires strong Excel skills, familiarity with banking practices for accounts payable, and the ability to work accurately in a high-paced environment.

Key Responsibilities

  • Support ERP Implementation to Global Shop and work with operational, IT, and Finance teams to test, review, and ensure accuracy.
  • Initiate the supplier master data process for new and existing clients, ensuring accuracy of contact information, Form W-9 support, bank account details, and other critical data
  • Receive supplier invoices and compares to PO’s and shipment receipts for matching and accuracy before entry into the ERP system
  • Follow guidelines for proper handling and coding of invoices to maintain general ledger records
  • Ensure proper approvals for supplier invoices in accordance with Company policies prior to requesting payments
  • Reconcile accounts payable subledger with general ledger account for month-end close
  • Prepare supplier payment requests for accounting leadership based on invoice due date and Company payment policy
  • Prepare checks for authorized signature
  • Set up electronic payments in bank website for management approval, including NACHA files, payment imports and exports, and related banking activity
  • Assist with annual Form 1099 process
  • Ensure proper maintenance, filing, and storage of accounts payable records

Preferred/Required Education and Experience 

  • High school diploma and equivalent combination of secondary education and experience
  • At least four years of accounts payable experience

Required Skills/Abilities

  • Excellent verbal and written communication skills.
  • Strong Microsoft Excel skills, including the ability to work with aging’s, imports, exports, reconciliations, and other accounts payable reporting needs.
  • Preferred experience with QuickBooks or similar accounting software.
  • Familiarity with accounts payable banking practices, including NACHA, bank imports and exports, electronic payment setup, and Excel-based aging analysis.
  • Ability to manage competing priorities and maintain accuracy in a fast-paced, deadline-driven environment.
  • Thorough understanding of accounts payable functions.
  • Excellent analytical skills
  • Excellent organizational skills and attention to detail

Embody Fathom’s Core Values

  • Focus on excellence: Foster a culture of continuous improvement dedicated to safety, quality, productivity, and on-time delivery.
  • Add value together: Achieve success through teamwork and a shared commitment to exceed stakeholder expectations.
  • Transform manufacturing: Reimagine the future of manufacturing by leveraging our collective expertise and breadth of capabilities.
  • Honor our differences: Show up for each other and our communities by consistently amplifying the individual backgrounds, cultures, and experience of our team.
  • Own your part: Be accountable to yourself, your team, and our customers.
  • Make the complex simple: Approach challenges with creativity and deliver innovative outcomes.

What we offer: 

Health Benefits: Medical, dental, and vision coverage. Company paid for Life insurance, short-term and long-term disability insurance.

Additional Benefits: Paid time off, Floating Holidays, Volunteer time off, and sick time off (depending on state of employment). 401k Plan

Employee Perks: Discounts on products and services.


Equal Opportunity Employer/Veterans/Disabled

This employer participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S.  If E-Verify cannot confirm that you are authorized to work, this employer is required to give you written instructions and an opportunity to contact Department of Homeland Security (DHS) or Social Security Administration (SSA) so you can begin to resolve the issue before the employer can take any action against you, including terminating your employment. Employers can only use E-Verify once you have accepted a job offer and completed the Form I-9. 




Salary : $25 - $35

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