Accounts Receivable and Payable Specialist

Mechanical Resource Group•Nashville, TN

8d•$65,000 - $75,000

About The Position

Mechanical Resource Group, an HVAC, hydronics, sales, and service organization, is seeking a results driven Accounts Receivable and Payable Specialist to take over our accounts receivable function and provide support on the accounts payable side. The right candidate will share MRG’s core values of a commitment to excellence, a servant heart and commitment to personal and professional growth. MRG Core Values Industry leader committed to excellence Servant heart Committed to personal & professional growth Strategic selling team Position Overview For the AR role, you will train alongside the current AR specialist for several weeks before transitioning the function fully. For the AP role, we already have a dedicated specialist; you will back them up, handle overflow, and step in when needed.

Requirements

3–5 years of A/R experience required
Direct experience managing an aging and handling customer collections
Experience with an ERP or accounting system required
Proficient in Microsoft Excel and Office Suite
Solid understanding of basic accounting fundamentals and internal controls

Nice To Haves

Combined A/R and A/P background preferred
Oracle NetSuite strongly preferred
Avalara / AvaTax experience a plus
Background in construction, HVAC, mechanical services, or a similar service-based industry is a plus
Able to manage multiple priorities and follow through on open items.
Comfortable making collection calls and communicating directly with customers and vendors
Strong attention to detail
Comfortable working with operations, sales, service, and accounting teams throughout the day

Responsibilities

Work the A/R aging on an ongoing basis; identify past-due accounts and escalate collection risk to management when appropriate
Contact customers directly by phone and email regarding overdue invoices; follow up consistently until payment is received or escalated
Document all collection activity, payments, and dispute notes accurately in the system
Provide customers with invoice copies, statements, and supporting documentation needed to process payment
Navigate customer payment portals to submit invoices, track status, and resolve submission issues
Prepare and lead weekly aging review meetings with accounting and department leaders; proactively work with customers and internal teams to resolve billing issues, maintain customer AP requirements, and reduce payment friction
Coordinate with Account Managers on specific collection accounts; escalate when needed
Flag accounts with recurring delinquency or emerging credit risk
Support month-end close for A/R
Process vendor invoices accurately and on time when stepping in: match to POs and receipts, verify amounts, and confirm GL coding before posting
Pull invoices from vendor portals and manage inbox queues to prevent missed or duplicate items
Investigate and resolve discrepancies between invoices, purchase orders, and receipts; work directly with appropriate team members to clear them
Prepare vendor payments with complete supporting documentation as needed
Reconcile vendor statements and resolve open items
Assist with vendor master maintenance, including new vendor setup and payment information updates
Support the ongoing transition to ACH vendor payments
Maintain organized filing of paid invoices and payment documentation
Assist with A/P month-end close activities.