Accounts Payable & Billing Manager

Lumbermens Merchandising Corporation•Wayne, PA

About The Position

LMC is the leading buying group for a network of independent building material companies across the US. As their buying group, LMC negotiates and facilitates procurement opportunities for the most desired brands in the lumber and building materials industry. We also work to provide operational support with focus on logistics, capital equipment, technology, and marketing. By leveraging the billion dollar buying power of our members, LMC ensures our members have a competitive edge to capture more of their local market share. The Accounts Payable & Billing Manager is responsible for leading end ‑ to ‑ end operations of the payables & billing functions, building a metric ‑ driven dashboard and monitoring framework, managing a team of 9–10, and driving continuous process improvement across claims, statement reviews, invoice exception handling, & manual invoice processing. The Accounts Payable & Billing Manager oversees daily AP & Billing operations, ensuring timely, accurate processing of invoices, credits, claims, and payments in alignment with company policies and internal controls. This role partners closely with internal partners to support smooth purchasing ‑ to ‑ payment workflows and reliable vendor relationships. The manager leads a team of 9–10 AP & Billing specialists/coordinators, using a KPI ‑ based dashboard to monitor throughput, quality, and service levels, and to identify opportunities for automation and process improvement.

Requirements

Bachelor’s Degree in Accounting, Finance or other related field or equivalent experience required.
5+ years of directly related work experience in the accounting field required.
Strong knowledge of accounts payable operations, 2 ‑ /3 ‑ way match, and related controls, with experience managing AP and/or Billing in a mid ‑ to high ‑ volume environment.
Demonstrated ability to design and use metric ‑ based dashboards, interpret financial and operational data, and drive improvements using KPIs.
Proven leadership experience supervising a small team, with skills in coaching, performance management, and building a collaborative culture.
Excellent communication and relationship ‑ building skills to work effectively with vendors, finance, procurement, and operations.
Detail ‑ oriented, organized, and proactive mindset with a focus on controls, service, and continuous improvement.

Responsibilities

Oversee day ‑ to ‑ day accounts payable and billing operations, including invoice intake, 2 ‑ and 3 ‑ way match, claims and credit processing, and payment runs.
Ensure invoices, statements, and claims are processed accurately and within agreed SLAs, aligned with company approval matrices, delegations of authority, and internal control requirements.
Review and approve payment batches (checks, ACH, wires, virtual cards), monitoring cash flow timing, discount capture, and compliance with payment terms.
Maintain and enforce AP & Billing policies and procedures, including invoice coding standards, vendor master data controls, and documentation requirements for audits and tax reporting.
Monitor AP aging, vendor statement reconciliations, and unresolved exceptions, ensuring timely resolution of discrepancies and escalations with vendors and internal stakeholders.
Support month ‑ end and year ‑ end close activities, including accruals, reconciliations, and AP ‑ related schedules, and provide documentation for internal and external audits.
Design and maintain an AP & Billing performance dashboard that tracks core KPIs such as invoices processed per FTE, cost per invoice, first ‑ pass match rate, exception rate, on ‑ time payment %, early ‑ pay discount capture, and aging of unmatched/held invoices.
Build monitoring routines (daily/weekly/monthly) to review aging reports, open claims, unmatched receipts, vendor credits, recurring invoice warnings, & invoice entry errors, highlighting risks and bottlenecks to leadership.
Prepare and present Billing & AP metrics and analysis to finance and operations leadership, translating data into clear insights and prioritized actions for process and control improvements.
Partner with IT and systems owners to leverage automation (workflow, OCR, EDI, RPA) and to ensure data integrity and reporting reliability across AP and related financial systems.
Lead, coach, and develop a team of approximately 9–10 Billing & AP professionals, providing clear goals, expectations, and regular performance feedback.
Create a supportive, accountable team culture that emphasizes customer service to internal stakeholders and vendors, ownership of metrics, and continuous learning.
Organize workload and cross ‑ training to balance complexity across the team (e.g., by vendor segment, business unit, or transaction type), ensuring coverage during absences and peak volumes.
Identify skill gaps and provide training on systems, operational processes, control requirements, and vendor communication best practices.
Own and improve end ‑ to ‑ end processes for claims (pricing errors, quantity discrepancies, freight disputes, damage/shortage claims), coordinating with operations, procurement, and vendors to resolve root causes and prevent recurrence.
Establish standardized workflows for vendor statement reviews, ensuring all open items, unapplied credits, and aged balances are reconciled and documented, with clear accountability and timelines.
Implement and refine exception and warning rules in the AP system (e.g., duplicate invoice flags, tolerance exceptions, missing PO/receipt warnings, tax discrepancies) and build queues for timely review and clearance by the team.
Lead continuous improvement initiatives such as reducing manual touchpoints, increasing straight ‑ through processing, shortening cycle time from receipt to payment, and improving vendor satisfaction scores.
Document improved processes and embed changes into SOPs, training materials, and dashboards so that improvements are sustained and easily measured.
Performs other duties as required and/or assigned.