Senior Project Billing and Accounts Receivable Consultant

We are looking for an experienced Accounts Receivable Manager to support a fast-moving Hi Tech Engineering environment in Boulder, Colorado. This Long-term Contract opportunity focuses on overseeing complex invoicing activity, maintaining accurate receivables, and partnering with cross-functional teams involved in operations and project-related spending. The role is well suited for a senior accounting specialist who can bring organization, improve financial processes, and help maintain timely billing in a setting with significant capital and facility activity.Responsibilities:• Oversee a high volume of customer billing, including invoices that require tailored terms, calculations, or supporting detail.• Evaluate and process expenses tied to operational initiatives, facilities work, and project-based activities to ensure proper financial treatment.• Coordinate with finance, operations, and project stakeholders to produce accurate invoices and maintain alignment on billable activity.• Investigate payment issues, reconcile billing differences, and respond to customer questions related to invoicing and account status.• Track receivables performance, review aging trends, and support collection efforts to improve cash flow and reduce outstanding balances.• Maintain organized records for project spending, invoice support, and capital-related documentation for audit and reporting purposes.• Identify inefficiencies in billing procedures and recommend stronger controls, reporting methods, and workflow improvements.• Contribute to month-end close by preparing reconciliations, validating account activity, and assisting with financial reporting requests.• Provide ad hoc analysis and financial support related to billing, receivables, and project expenditure activity.