Remote Accountant – Client Billing & Reconciliations

Remote Accountant – Client Billing & Reconciliations Highmark Healthcare | 5-Month Contract | 100% Remote Sigma Systems Inc. is seeking an experienced Remote Accountant to support Highmark Healthcare. This is a non-traditional accounting position with a strong focus on client billing, accounts receivable, client-level reconciliations, funding settlements, and financial operations. Due to the governmental nature of the position, candidates must be U.S. Citizens. The position is initially a 5-month contract with the potential for full-time conversion if a permanent opportunity becomes available. Responsibilities Manage end-to-end client billing processes, ensuring accuracy, timeliness, and compliance with contractual agreements. Perform client-level billing reconciliations and funding settlements, researching and resolving discrepancies. Monitor and support Accounts Receivable activities including invoicing, cash application, aging, collections follow-up, credits, rebills, and payment discrepancies. Partner with clients and internal teams to investigate and resolve billing, funding, reconciliation, and settlement issues. Maintain accurate financial records and ensure transactions are recorded in accordance with GAAP and company policies. Prepare and analyze account reconciliations, identify variances, research root causes, and recommend corrective actions. Support financial settlement activities and ensure client accounts are accurately reconciled. Assist in developing and implementing accounting, billing, and reconciliation workflows within a growing or evolving function. Identify opportunities to improve billing accuracy, reconciliation processes, operational efficiency, and scalability. Collaborate cross-functionally with Finance, Operations, Billing, Treasury, and client-facing teams to maintain financial and data integrity. Support audits by preparing documentation, reconciliations, reports, and explanations as needed. Assist with banking, treasury, cash management, and other financial operations as required. Required Qualifications Bachelor's degree in Accounting, Finance, or a related field. 3–5+ years of relevant accounting, billing, Accounts Receivable, reconciliation, or financial operations experience. Strong understanding of GAAP and financial reporting practices. Experience working with billing, Accounts Receivable, account reconciliations, cash application, or financial settlements. Ability to analyze financial data, identify discrepancies, research root causes, and resolve issues efficiently. Experience developing or improving accounting and operational processes. Experience with ERP/accounting platforms such as SAP, Oracle, NetSuite, PeopleSoft, or similar systems. Advanced Microsoft Excel skills. Strong attention to detail, organization, analytical ability, and problem-solving skills. Ability to communicate effectively with clients and cross-functional internal teams. Ability to manage multiple priorities in a fast-paced environment. U.S. Citizenship required. Highly Preferred Experience working for a healthcare payer, health plan, Third-Party Administrator (TPA), or similar healthcare financial environment. Experience supporting self-funded/ASO healthcare clients. Hands-on experience with client-level reconciliations and/or financial settlements. Experience with client funding reconciliations, billing settlements, payer/client account reconciliation, or similar financial activities. Experience with banking, treasury, cash management, or funding operations. What Makes This Role Different This is not primarily a traditional general ledger or month-end-close accounting position. The strongest candidates will combine solid accounting fundamentals with hands-on operational experience involving client billing, Accounts Receivable, reconciliations, funding/settlements, and resolution of financial discrepancies.