Our mission is to provide modernized technology platforms, elevated technology support, and valuable insights, empowering our clients to excel in what they do best.

The Legal Billing Specialist is responsible for preparing timely, accurate billings for external clients, resolving complex invoice rejections, and ensuring compliance with client-specific billing guidelines. This role supports the full spectrum of billing operations, contributing to the design, implementation, and streamlining of billing policies and procedures.

The successful candidate will be customer-focused, creative, and solution-oriented, capable of managing multiple concurrent initiatives while delivering high-quality results. This position requires strong technical skills, attention to detail, and the ability to thrive in a fast-paced, collaborative environment. Extreme professionalism is required when interacting with clients and attorneys, as this role involves frequent and direct communication with both.

RESPONSIBILITIES:

• Review and resolve rejected invoices due to errors such as Timekeeper/Rate issues, Incorrect Matter Billed, Missing PO Numbers, Budget discrepancies, Credential problems, and more.

• Perform prebill revisions, narrative clean-up, and time/expense entry corrections.

• Finalize invoices for key clients, including multi-matter and multi-currency billing.

• Manage write-offs, discount approvals, and apply unapplied or on-account funds.

• Generate manual invoices and resubmit LEDES files as needed.

• Set up new matters with appropriate task/activity codes and configure e-vendor platforms.

• Submit and update accruals and respond to billing status inquiries.

• Handle client-mandated Alternative Fee Arrangement (AFA) adjustments.

• Provide PDF copies of invoices/prebills, reprint/resend invoices, and update billing contacts or client addresses.

• Ensure urgent enforcement of client-specific billing guidelines and resolve high-value matter escalations.

QUALIFICATIONS:

• Legal billing experience with strong proficiency in Aderant preferred.

• Deep understanding of client billing guidelines and contractual arrangements preferred.

• Advanced Microsoft Office skills, especially Excel, Outlook, and Word.

• Exceptional attention to detail and organizational skills.

• Strong analytical and problem-solving abilities.

• Excellent communication skills—written, verbal, and presentation.

• Ability to thrive in a fast-paced, matrixed environment.

• Positive, customer-focused attitude with a commitment to accuracy and timeliness.

• Ability to manage multiple priorities and contribute to process improvements.

• Demonstrated professionalism in all client and attorney interactions.

• PREFERRED: Experience with legal billing e-vendors such as Legal Tracker, Tymetrix360, CounselLink, BillingPoint, Legal eXchange, etc.

Schedule:

Monday to Friday — 8:00 AM to 5:00 PM. Hybrid (Phoenix, AZ)

The Compensation range for this role is 22.00 to 29.00 USD hourly and may be eligible for an annual bonus. Actual compensation within that range will depend on the individual's location, skills, experience, and qualifications.

Opensity is an Equal Opportunity Employer. 

We are committed to providing equal employment opportunities to all applicants and employees and do not discriminate on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, and related medical conditions), sexual orientation, gender identity or expression, national origin, age, disability, genetic information, veteran or military status, or any other characteristic protected by applicable federal, state, or local law. 

Employment decisions at Opensity are based on qualifications, merit, and business needs. This policy applies to all aspects of employment, including recruitment, hiring, promotion, compensation, training, discipline, and termination. 

Opensity is committed to providing reasonable accommodations for qualified individuals with disabilities, for pregnancy related conditions, and for sincerely held religious beliefs, in accordance with applicable law. We do not tolerate retaliation against individuals who raise concerns or participate in an investigation related to equal employment opportunity.