Accounts Payable Administrator

Position Overview:

Solid Power is seeking an Accounts Payable Administrator to join our talented team. Solid Power is a public company that is dynamic, fast‐paced, collaborative environment. This role will work closely with the Director and be a key resource on the team who will oversee accounts payable functions. The right candidate for this role has impeccable attention to detail, is a critical thinker, has a positive attitude, seeks constant improvement, thrives in a dynamic environment, and can work both collaboratively and independently.

The Accounts Payable Administrator is responsible for leading the day‑to‑day operations of the Accounts Payable function. This role oversees high‑volume invoice processing through Esker and SAP, ensures timely and accurate vendor payments, manages vendor onboarding and maintenance, and partners closely with Procurement and business stakeholders. The AP Administrator is also responsible for compliance, internal controls, and annual 1099 reporting. This position requires a strong process mindset, exceptional communication skills, and a deep understanding of AP best practices within a public-company environment.

 

Job Duties:

Accounts Payable Operations

• Perform end-to-end AP processes including vendor setup, invoice intake, workflow approvals, 3‑way match, exception handling, and downpayment processing.
• Oversee invoice processing through Esker (OCR/workflow automation) into the Company ERP, SAP (posting, coding, payment execution).
• Ensure timely and accurate payment of vendor invoices in accordance with company policy, contract terms, and SOX compliance requirements.
• Monitor AP aging, payment schedules, and working capital impacts (e.g., DPO targets).
• Maintain AP metrics, KPIs, and dashboard reporting.

Vendor Management & Outreach

• Oversee vendor onboarding, setup, and master data maintenance, ensuring accuracy and completeness.
• Manage vendor communications, issue resolution, payment inquiries, and relationship building.
• Ensure vendor documentation is collected and validated (W‑9, banking details, tax IDs, insurance, etc.).
• Establish strong controls around vendor master data to mitigate fraud risk.

1099 & Regulatory ComplianceA

• Manage the annual 1099 preparation and filing process, including vendor classification, data validation, corrections, and year‑end reporting.
• Ensure AP processes comply with GAAP, SOX, and internal control requirements.
• Support external and internal audit requests related to AP.

Month-End Close & Accruals

• Own the AP month-end close process, ensuring the AP subledger is closed accurately and on schedule.
• Prepare AP-related journal entries to support accounting records, including:
  • accruals for GRIR
  • accruals for invoices not yet processed
  • reclasses and adjustments
• Reconcile AP-related general ledger accounts, including vendor accounts and clearing accounts.
• Review and validate month‑end AP reporting and variance analysis.
• Partner with Accounting to ensure completeness and accuracy of period-end liabilities.

Procurement & Business Partner Collaboration

• Serve as the AP point of contact for Procurement, Legal, and business units to ensure proper purchasing workflows and supplier engagement.
• Partner with Procurement on supplier onboarding, contract terms, and PO compliance.
• Train internal stakeholders on AP policies, approval workflows, and system usage.

Systems & Process Improvement

• Maintain expert-level knowledge of Esker and SAP AP modules, including troubleshooting, system enhancements, and process optimization.
• Identify automation opportunities and lead continuous improvement initiatives to improve efficiency, accura