QA/QC Accounting Specialist

The QA/QC Accounting Specialist reviews subcontractor invoices and client billing packages for accuracy, completeness, and compliance with program and contractual requirements. This role supports Accounts Payable and Accounts Receivable activities for energy-efficiency, fuel-switching, and related projects, with a strong focus on complex, data-intensive Excel-based invoices. The position partners with program, finance, construction, and accounting teams to resolve discrepancies, maintain reliable documentation, and improve invoicing quality across one or more regional programs.

Essential Duties and Responsibilities

• Review subcontractor invoices, client invoices, and supporting documentation for accuracy, completeness, proper authorization, and consistency with applicable contracts, scopes of work, and program requirements.
• Reconcile invoice line items, quantities, rates, project data, and backup documentation; identify missing, duplicate, inconsistent, or unsupported charges.
• Analyze complex Excel workbooks and other data sources used to support billing for energy-efficiency, fuel-switching, and related projects.
• Document findings clearly, communicate discrepancies to the appropriate team members, and track corrections through resolution before invoices are processed or submitted.
• Support Accounts Payable and Accounts Receivable activities, including invoice intake, validation, coding support, status tracking, and maintenance of complete billing records.
• Enter and maintain accurate information in Willdan's proprietary platforms, accounting systems, tracking tools, and databases.
• Maintain organized audit trails, invoice files, reconciliation records, and other required documentation in accordance with established procedures and retention requirements.
• Monitor assigned work to meet recurring billing cycles, client deadlines, and internal service expectations; promptly escalate issues that may affect timely payment or client invoicing.
• Partner with program, finance, construction, and accounting teams to clarify requirements and promote consistent invoicing practices across programs.
• Assist with developing, documenting, and implementing QA/QC procedures, checklists, controls, and process improvements.
• Protect confidential company, employee, subcontractor, client, and financial information and follow applicable internal controls.
• Support multiple regional programs, as assigned, and complete other related projects and duties based on business needs.
• Complete and maintain all required paperwork, records, documents, etc.

Job Requirements / Qualifications

• One to three years of experience in an accounting support, invoice review, billing, accounts payable, accounts receivable, quality assurance, or a related role, including experience reviewing detail-intensive financial or project documentation for discrepancies.
• Experience supporting utility, energy-efficiency, construction, engineering or project-based billing is preferred.
• Must be able to handle a wide work variety and work in a fast-paced environment.
• Excellent attention to detail, organization, follow-through, and time-management skills, with the ability to manage competing priorities and recurring deadlines.
• Ability to maintain and manage their own daily work schedule from home or office.
• Proficient in Microsoft Excel, including formulas, sorting, filtering, lookups, and pivot tables; proficient in Microsoft Outlook and other Microsoft office applications.
• Proficient in PDF editing and review tools, such as Adobe Acrobat or Nitro, and experience entering data into accounting systems, tracking tools, or databases.
• Strong analytical, reconciliation, data-entry, and practical problem-solving skills.
• Ability to communicate effectively, both verbally and in writing with customers, clients and employees.
• Ability to prioritize multiple projects and tasks to ensure timely delivery of high-quality deliverables.
• Demonstrated ability to collaborate with a wide range of stakeholders while delivering excellent customer service in a highly dynamic growth environment.