Project Accounting/Billing Coordinator

Exponent • Phoenix, AZ

1d • Hybrid

About The Position

Exponent is seeking a Project Accounting/Billing Coordinator for its Finance/Accounting Group in Phoenix, Arizona. The role is part of a team primarily responsible for processing client invoices and working with internal and external clients to ensure invoices are accurate and delivered on time. Additional work includes analyzing project accounting reports, assisting with internal and external audits, and completing other financial tasks that support the department’s objectives.

The coordinator supports project billing across multiple engineering disciplines, corporate departments, clients, and office locations. The position also contributes to special projects, process improvements, accounting research, and efforts to improve billing, collections, and cash-flow processes. The role follows a hybrid schedule requiring at least three days per week in the office.

Requirements

• Bachelor’s degree in Business Administration, Accounting, or a related field, or 3–4 years of accounting, finance, or billing experience within a professional services environment.
• Working knowledge of invoicing, accounts receivable, and accounts payable processes.
• Ability to prioritize competing deadlines and manage multiple responsibilities in a fast-paced environment.
• Strong analytical and problem-solving skills, including researching discrepancies, identifying trends and exceptions, and independently resolving issues.
• Excellent written and verbal communication skills and a strong customer-service orientation.
• Ability to thrive in a high-volume, deadline-driven work environment.
• Ability to identify process improvements, strengthen controls, and leverage technology, automation, and AI-driven solutions.
• Ability to take ownership, exercise sound judgment, and appropriately escalate complex, sensitive, or high-risk matters.
• Strong interpersonal skills and professionalism, tact, and diplomacy when working with internal and external stakeholders.
• Highly organized, detail-oriented, and self-motivated, with the ability to work independently and follow through with minimal supervision.
• Ability to partner effectively with consulting and project staff on project billing and invoicing.
• Flexible, adaptable, and collaborative approach, with willingness to support changing business needs.
• Proficiency with Microsoft Office applications, including Outlook, Excel, and Teams.
• Ability to support a hybrid schedule, including at least three days per week in the office.
• Presently legally authorized to work in the United States; no immigration sponsorship or processing is required.

Nice To Haves

• Experience with electronic invoicing portals, LEDES billing files, and related databases.

Responsibilities

• Distribute and process monthly electronic invoices, including uploading invoices through client invoicing platforms and electronic billing portals.
• Work with project managers and internal stakeholders to obtain invoice approvals.
• Guide project managers on invoicing procedures and client billing requirements.
• Communicate with clients about billing and account-related inquiries.
• Reconcile project and client accounts and resolve discrepancies in a timely manner.
• Assist project managers with budget monitoring, invoicing, and revenue recognition activities.
• Review, maintain, and update project and client information in the accounting system.
• Prepare and process month-end billing and financial reports and assist with audits.
• Review and manage unbilled aging reports to support timely, accurate billing.
• Set up and maintain project billing terms and invoicing requirements in accordance with internal financial controls.
• Collaborate with Accounts Receivable to process account adjustments, credits, and customer refunds.
• Support multiple office locations and assist with special projects, process improvements, and accounting research initiatives.
• Partner with Accounts Receivable to streamline billing and collection processes, improve efficiency, and accelerate cash collections.

Benefits

• The company describes its benefits and compensation and recognition programs as competitive.
• Programs and resources to support health and well-being.
• Mentoring, sponsorship, and a culture of learning.

What This Job Offers

• Job Type: Full-time
• Career Level: Entry Level