Senior Accounts Payable Clerk

Pennymac (NYSE: PFSI) is a specialty financial services firm with a comprehensive mortgage platform and integrated business focused on the production and servicing of U.S. mortgage loans and the management of investments related to the U.S. mortgage market.

At Pennymac, our people are the foundation of our success and at the heart of our dynamic work culture. Together, we work towards a unified goal of helping millions of Americans achieve aspirations of home ownership through the complete mortgage journey.

Responsible for executing end-to-end Accounts Payable operations across all legal entities. Core responsibilities include PO & Non-PO invoice processing, corporate card expense report creation, understanding intercompany allocations, prepaid expense, capitalized expense, processing weekly payment requests, month-end accruals, vendor account reconciliations, annual 1099 tax compliance reporting and other duties as assigned.

The Senior Accounts Payable Clerk will:

• Maintain supplier setup and maintenance, inclusive of working with Treasury team for bank account validation for electronic payments.
• Prepare Stop Payment requests using Treasury system ensuring all research has been completed and proper documentation is attached in Treasury and ERP systems.
• Process and audit incoming vendor invoices, check requests, and corporate card expense reports for policy compliance and accurate GL/entity coding.
• Perform 3-way matching between vendor invoices, Purchase Orders (POs), and receiving reports; investigate and resolve pricing/quantity variances before posting.
• Post all approved AP transactions to the sub-ledger and ensure timely payment runs (checks, ACH, wire transfers), adhering to vendor payment terms.
• Obtain required managerial and executive approval thresholds across all departments and legal entities based on AP Approval Matrix
• Ensure all incoming invoices are processed by reviewing aging reports, scan queues, and Accounts Payable email.

• Manage vendor onboarding by collecting and validating W-9 forms and verifying Taxpayer Identification Numbers (TIN).
• Maintain 1099-eligible vendor profiles and track payments throughout the fiscal year.
• Lead annual 1099-NEC and 1099-MISC filing processes, threshold reviews, and year-end tax reporting.

• Perform accounts payable functions across all legal entities
• Allocate shared vendor expenses across entities via invoice GL coding.

• Collaborate with Accounting team and lines of business to review vendor historical trend to support estimated and calculated unbilled month-end AP accruals.
• Reconcile the AP sub-ledger to the General Ledger (GL) and complete monthly balance sheet reconciliation.
• Assist with month-end and year-end close schedules by preparing AP Control reports for management re view.

• Serve as the primary contact for offshore team, vendors and internal stakeholders, resolving payment inquiries, invoice holds, and billing disputes diplomatically.
• Generate ad hoc AP and expense analysis reports for lines of business and executive leadership as requested.

• Experience : 3–4 years of full-cycle Accounts Payable experience handling high-volume processing in a multi-entity environment.
• Industry Experience :
  Mortgage Industry and/or Financial Services experience strongly preferred.
• Accounting Software :
  Hands-on proficiency in ERP systems (Oracle, or equivalent enterprise ERP).
• Technology: Skilled on workflow automation and efficiency.
• Excel Competency :
  Intermediate-to-advanced MS Excel skills required (must be comfortable using Pivot, VLOOKUP/XLOOKUP, and SUMIFS for…