Accounts Payable Manager

Overview

Our company is a leading AV integration and Data Center construction firm seeking an experienced Accounts Payable Manager to lead our AP function and oversee a team of three AP staff. This role is responsible for the accuracy, timeliness, and integrity of the full accounts payable cycle across multiple entities, while building strong working relationships with vendors, Project Managers, and Finance leadership. The ideal candidate is a hands-on

leader who combines strong technical AP knowledge with team management experience in a fast-paced, project-based construction environment.

Responsibilities

Manage and mentor a team of 3 Accounts Payable staff, including workload distribution, training, performance management, and professional development

Oversee the full-cycle accounts payable process across multiple entities, including invoice intake, coding, matching, approval routing, and payment processing

Ensure vendor invoices are coded accurately to the correct job, cost code, and GL account, partnering with Project Accountants and Project Managers as needed

Review and approve weekly payment runs (checks, ACH, wire) and ensure adherence to payment terms and cash flow priorities

Help oversee employee credit card transactions, expense reimbursements, and per diem processing through SAP Concur, ensuring submissions comply with company policy and are reviewed and reimbursed in a timely manner

Maintain strong vendor relationships, resolving escalated invoice discrepancies, payment inquiries, and disputes in a timely and professional manner

Oversee subcontractor compliance documentation (lien waivers, W-9s, COIs) in coordination with Project Management

Manage the 1099 process, ensuring accurate vendor classification and timely year-end filing

Reconcile AP subledger to the general ledger monthly and research/resolve any discrepancies

Develop, document, and enforce AP policies, procedures, and internal controls to strengthen accuracy and reduce risk

Identify and implement process improvements and automation opportunities within the AP workflow, including AP and expense module usage within Concur and/or the company’s ERP system

Partner with the Financial Controller on cash flow forecasting related to upcoming payables

Support month-end close by ensuring accruals for unrecorded liabilities are accurate and complete

Serve as a key point of contact for AP-related items during audits and provide supporting schedules as needed

Qualification

Bachelor’s degree in Accounting, Finance, or related field preferred; equivalent experience considered

5+ years of accounts payable experience, including at least 2 years in a supervisory or management role

Experience managing full-cycle AP in a multi-entity or multi-project environment

Strong understanding of AP controls, vendor management, and month-end close processes

Proficiency with AP automation/expense platforms (e.g., SAP Concur) and ERP systems

Advanced Excel skills (pivot tables, VLOOKUP/XLOOKUP)

Strong leadership, organizational, and communication skills

Ability to work in-person, full-time, at the Rockville, MD office

Preferred:

Experience in construction, AV integration, low-voltage, or data center industries (Preferred)

Familiarity with lien waivers, subcontractor compliance, and job-cost-related AP coding (Preferred)

Experience with construction/ERP software (e.g., Sage 300 CRE, Procore, Viewpoint, Foundation, or similar) (Preferred)

Experience managing or supporting 1099 filing processes (Preferred)

NTI is an organization committed to diversity and inclusion to drive its business results and to create a better future every day for its diverse employees, clients, partners and communities. We are proud to be an Equal Opportunity and Affirmative Action Employer providing opportunities to all employees and applicants without regard to race, sex, national origin, religion, age, disability, veteran status, genetic information, sexual orientation, gender identity and any other protected status in accordance with applicable law.