Accounts Receivable & Collections Specialist

Exponent is the only premium engineering and scientific consulting firm with the depth and breadth of expertise to solve our clients’ most profoundly unique, unprecedented, and urgent challenges.

We are committed to engaging multidisciplinary teams of science, engineering, and regulatory experts to empower our clients with solutions that create a safer, healthier, more sustainable world. For over five decades, we've connected the lessons of past failures with tomorrow's solutions to advise clients as they innovate technologically complex products and processes, ensure the safety and health of their users, and address the challenges of sustainability.

Join our team of experts with degrees from top programs at over 500 universities and extensive experience spanning a variety of industries. At Exponent, you’ll contribute to the diverse pool of ideas, talents, backgrounds, and experiences that drives our collaborative teamwork and breakthrough insights. Plus, we help you grow your career through mentoring, sponsorship, and a culture of learning. Thanks for your interest in joining our team!

• 1,100+ Team members
• 950+ Consultants
• 640+ Ph.D.s
• 90+ Disciplines
• 30+ Offices globally

Exponent is currently seeking an Accounts Receivable & Collections Specialist for our Finance/Accounting Group in our Phoenix, AZ office
. In this role, you will serve as a key partner to consultants, project managers, clients, and internal stakeholders by managing customer accounts, supporting collection efforts, resolving billing disputes, and ensuring timely payment of outstanding invoices.

This position is responsible for maintaining strong client relationships while balancing excellent customer service with the firm's financial objectives. The successful candidate will proactively monitor accounts receivable activity, research account issues, coordinate with project teams on collection strategies, and support process improvements that enhance operational efficiency and cash flow.

• Manage a portfolio of client accounts to ensure timely collection of outstanding receivables.
• Perform collection activities through phone calls, emails, and written correspondence.
• Monitor aging reports and identify delinquent accounts requiring follow-up.
• Partner with consultants, project managers, and administrative staff to develop collection strategies and resolve payment issues.
• Research and resolve account discrepancies, unapplied payments, short pays, and disputed invoices.
• Process A/R adjustments, write-offs, and refunds in accordance with company policies.
• Maintain accurate account notes and collection documentation.

• Serve as a primary contact for client inquiries related to invoices, account balances, payment status, and account activity.
• Provide invoice copies, statements, supporting documentation, and payment histories as requested.
• Coordinate with consultants and project teams to resolve client billing concerns and disputes.
• Build positive relationships with clients while maintaining accountability for payment obligations.

• Review aging reports and identify collection trends, risks, and opportunities.
• Analyze customer payment patterns and recommend appropriate actions.
• Assist management with collection reporting, account reviews, and special projects.
• Support month-end and year-end closing activities related to accounts receivable.

• Participate in process improvement initiatives designed to enhance collection effectiveness and operational efficiency.
• Assist with testing and implementation of new systems, client portals, and payment technologies.
• Support internal and…