Senior Billing Specialist

Lowenstein Sandler•Roseland, NJ

17h•Hybrid

About The Position

Lowenstein Sandler is seeking a Senior Billing Specialist to join their revenue team. This role is responsible for the accurate and timely preparation and processing of client invoices. The ideal candidate will have expert-level billing experience, a deep command of Aderant Financial Systems, and a strong understanding of law firm billing requirements, including electronic billing (eBilling) protocols. The Senior Biller will work closely with partners, attorneys, and legal assistants to ensure all billing activity aligns with client guidelines, firm policies, and revenue management objectives. This position may offer hybrid/remote flexibility.

Requirements

Minimum 4 years of law firm billing experience
At least 3 years of hands-on experience using Aderant Financial Systems
Expert-level knowledge of law firm billing processes, including eBilling submission platforms and LEDES file formats.
Strong familiarity with outside counsel guidelines (OCGs) and client-specific billing requirements.
Demonstrated ability to manage a high-volume billing workload with a high degree of accuracy, urgency, and attention to detail.
Proficiency in Microsoft Office Suite
Excellent analytical and problem-solving skills; ability to identify discrepancies and resolve issues independently.
Strong interpersonal and communication skills; ability to interact professionally with partners, attorneys, and staff at all levels.
Exceptional organizational skills with the ability to prioritize multiple competing deadlines in a fast-paced environment.
Proactive, self-directed, and solutions-oriented with a demonstrated track record of follow-through.

Nice To Haves

Experience with Legal Tracker, Collaborati, or TyMetrix

Responsibilities

Prepare, process, and finalize a high volume of complex client invoices using Aderant Financial Systems, ensuring accuracy, completeness, and compliance with client billing guidelines.
Manage the full billing lifecycle from pre-bill review through final invoice submission, including narrative edits, time entry adjustments, write-offs, waivers, and reductions.
Review and edit pre-bills for accuracy, including consistency of client/matter names and attorney names, accuracy and professionalism of time narratives, identification and removal of duplicate time entries, and verification of phase/task codes.
Prepare and submit eBills through various electronic billing platforms, ensuring compliance with client-specific LEDES or other format requirements.
Monitor and manage eBilling rejections and resubmissions promptly, resolving issues in coordination with billing partners and their assistants.
Maintain and update Billing Partner Instructions documenting matter-specific billing requirements and client preferences.
Assist with monthly billing close processes, including reconciliation of time and billing records in Aderant.
Serve as a primary billing contact for assigned billing partners, attorneys, and legal assistants.
Build and maintain thorough knowledge of assigned client portfolios, rate structures, billing arrangements, and outside counsel guidelines (OCGs).
Identify and flag billing issues, potential write-offs, or out-of-guideline charges proactively before invoice submission.
Coordinate with the Accounts Receivable and Credit teams to address outstanding balances and resolve billing-related collection issues.
Demonstrate expert-level proficiency in Aderant Expert Billing, leveraging system functionality to maximize billing efficiency.
Identify inefficiencies in current billing workflows and recommend process improvements to the Billing Manager.
Assist in training and mentoring junior billing staff on Aderant system functions, billing best practices, and firm billing policies.
Contribute to the review and updating of billing procedures, policies, and the firm’s internal billing manual as needed.
Provide support to firm leadership and partners as requested.
May be required to work periodic evenings and/or weekends, particularly around billing close periods, often without advanced notice.
Perform other duties and special projects as assigned.