Legal Billing Specialist

About Us:

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.

Our Mission:

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 — 9:00 AM to 6:00 PM. Hybrid (Phoenix, AZ)

The Compensation range for this role is 22.00 to 25.00 USD hourly. Actual compensation within that range will depend on the individual's location, skills, experience, and qualifications.

All eligible employees receive access to a comprehensive benefits package, including:

Medical insurance

Dental insurance

Vision insurance

401(k) retirement plan

Paid Time Off (PTO)

Opensity is committed to fostering an inclusive, equitable, and accessible workplace. We believe diverse perspectives strengthen our teams and the work we do for our clients. 

Opensity provides equal employment opportunities to all applicants and employees and does not discriminate on the basis of race, colour, religion or creed, sex, sexual orientation, gender identity or expression, age, national or ethnic origin, ancestry, citizenship, disability, family status, marital status, source of income, record of offences, or any other characteristic protected under applicable federal or provincial human rights legislation. 

We are committed to fair and barrier free recruitment, selection, and employment practices, and to providing reasonable accommodation throughout the hiring process and employment lifecycle, in accordance with applicable human rights legislation. 

Candidates who require accommodation during any stage of the recruitment process are encouraged to advise our Talent team so appropriate support can be provided.