Senior Legal Billing Specialist

Opensity Solutions is the largest tech‑enabled managed services organization serving leading law firms, financial institutions and professional services firms. At Opensity, we provide integrated operational platforms, automation and advisory services that enable clients to modernize operating models, reduce cost and accelerate growth. Our capabilities include IT and technology solutions, document processing and administrative support, marketing and communications, billing and AP/AR services, records and information governance, workflow automation, consulting and hospitality and facilities services.

Ourmissionis to provide modernized technology platforms,elevated technology support, and valuable insights, empowering our clientsto excel inwhat they do best.

The Legal Billing Specialist at Opensity Solutions is responsible for ensuring accurate, timely, and compliant billing operations across client accounts and service engagements. This role partners closely with operations, finance, and client service teams to validate billing data, resolve discrepancies, and support revenue accuracy and financial integrity. The position plays a key role in maintaining billing compliance, supporting client invoicing processes, and ensuring adherence to contractual and operational billing standards.

This role is classified as non-exempt
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• Prepare, process, and issue client invoices based on contract terms, service delivery data, and billing schedules.
• Review and validate billing data for accuracy, completeness, and compliance with contractual agreements.
• Reconcile billing discrepancies by investigating variances in labor, equipment, and service usage data.
• Collaborate with operations and service delivery teams to ensure accurate capture of billable activities.
• Maintain and update billing records, rate tables, and client-specific billing configurations.
• Monitor billing cycles to ensure timely invoicing and adherence to deadlines.
• Research and resolve billing inquiries from internal teams and external clients.
• Support month-end and year-end closing processes, including revenue reconciliation and reporting.
• Ensure compliance with internal billing policies, audit requirements, and financial controls.
• Assist in identifying billing process improvements and automation opportunities.
• Support the implementation of billing updates related to contract changes, addendums, and pricing adjustments.
• Generate billing reports and summaries for management review and client reporting needs.

• Strong understanding of billing processes, revenue cycles, and financial reconciliation.
• High attention to detail with strong accuracy in data entry and validation.
• Strong analytical and problem-solving skills with ability to resolve billing discrepancies.
• Excellent communication skills for interacting with internal teams and clients.
• Ability to manage multiple billing cycles and deadlines simultaneously.
• Strong organizational skills and ability to work in a structured, deadline-driven environment.
• Proficiency in financial systems, billing platforms, and reporting tools.
• Understanding of contract-based billing models and service-based pricing structures.
• Strong teamwork and collaboration skills across finance and operations functions.
• Ability to identify process improvements and support operational efficiency.

Education:Associate or Bachelor’s degree in Accounting, Finance, Business Administration, or related field preferred; equivalent experience accepted.

Experience:2–4 years of experience in legal billing, accounts receivable, finance operations, or revenue cycle management, preferably in a service-based or multi-client environment.

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