Accounts Payable Specialist

AR&B is seeking an experienced Accounts Payable Specialist to support the day-to-day financial operations of our growing mechanical construction business.

This role is responsible for the accurate and timely processing of vendor invoices and payments while helping ensure costs are properly documented, approved, coded, and recorded. The right candidate will be organized, dependable, comfortable working with a high volume of transactions, and able to communicate professionally with both vendors and employees.

The position is well suited for someone who enjoys owning their responsibilities, solving discrepancies, and becoming a trusted resource within a finance and operations team

Manage day-to-day accounts payable processing from invoice receipt through payment.

Review invoices for accuracy, appropriate approvals, supporting documentation, and proper accounting and job-cost coding.

Match invoices to purchase orders, commitments, receipts, or other supporting documentation as applicable.

Enter and maintain accurate invoice and vendor information within the company's accounting system.

Prepare and support regularly scheduled vendor payment runs—including checks and electronic payments.

Reconcile vendor statements and proactively research missing invoices, duplicate charges, credits, and other discrepancies.

Communicate directly with vendors regarding invoices, payment status, account discrepancies, and other AP-related questions.

Maintain accurate vendor records and required documentation, including W-9 information.

Work with project managers, service, purchasing, operations, and accounting personnel to obtain approvals and resolve invoice or coding questions.

Coordinate requests for and maintain Certificates of Insurance (COIs), working with vendors, subcontractors, and internal teams to ensure required insurance documentation is current and complete.

Order and maintain office supplies, monitor routine inventory needs, and coordinate purchases to support the day-to-day operation of the San Francisco office.

Process union fringe benefit hours and related payments, ensuring hours are accurately reported, and payments are submitted in accordance with applicable union requirements and deadlines.

Prepare and process preliminary notices for applicable projects, ensuring required project information is accurate, and notices are completed and distributed within established timelines.

Support payroll processing, including reviewing time and payroll information for accuracy, resolving discrepancies, and assisting with the timely and accurate completion of payroll.

Assist the finance team with month-end accounts payable cutoff, reporting, reconciliations, and accrual support.

Assist with annual 1099 preparation and requests related to audits or financial reviews.

Maintain organized electronic records and documentation consistent with AR&B's internal accounting controls.

Identify opportunities to make AP processes more efficient, accurate, and consistent.

Provide additional accounting and administrative support to the finance team as needed.

3+ years of accounts payable or closely related accounting experience.

Strong attention to detail and a high level of accuracy.

Strong written and verbal communication skills.

Ability to organize and prioritize a significant volume of transactions and competing deadlines.

Ability to research discrepancies and follow an issue through to resolution.

Experience independently processing invoices and managing routine vendor relationships.

Comfortable working directly with employees at different levels of an organization as well as outside vendors.

Reliable, professional, and comfortable taking ownership of assigned responsibilities.

Working knowledge of Microsoft Excel, Outlook, and standard business applications.

Experience with accounting or Foundation software

This is an exceptional opportunity to play a critical role within a growing construction organization that values discipline, accountability, and long-term employee relationships. If you thrive in a fast-paced operational environment, we want to hear from you.

As a family-owned company for over a century, we have built a culture centered around loyalty, accountability, craftsmanship, and long-term commitment to both our employees and customers. We believe great people build strong companies, and we are committed to creating an environment where employees can build stable, meaningful careers with us.