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Job Description:

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.

This position is part of the Opensity Solutions team.  For Information on Opensity’s benefits please visit opensitybenefits.com.

Opensity is a technology‑enabled managed services organization that helps leading law firms and professional services organizations modernize how their operations run. We bring together talented people, innovative technology, and integrated services to create scalable, efficient environments where teams can do their best work and grow their careers.

It is Opensity’s policy to comply with all applicable equal employment opportunity laws by making all employment decisions without unlawful regard or consideration of any individual’s race, religion, ethnicity, color, sex, sexual orientation, gender identity or expressions, transgender status, sexual and other reproductive health decisions, marital status, age, national origin, genetic information, ancestry, citizenship, physical or mental disability, veteran or family status or any other basis protected by applicable national, federal, state, provincial or local law. Opensity’s policy prohibits unlawful discrimination based on any of these impermissible bases, as well as any bases or grounds protected by applicable law in each jurisdiction. In addition, Opensity will take affirmative action for minorities, women, covered veterans and individuals with disabilities. If you need assistance or an accommodation during the application process because of a disability, it is available upon request. Opensity is pleased to provide such assistance and no applicant will be penalized as a result of such a request. Pursuant to relevant law, where applicable, Opensity will consider for employment qualified applicants with arrest and conviction records.