Katten Muchin Rosenman LLPVerified Source

Senior Billing Specialist, Legal Billing & E-Billing

95K–105K
Partially · Chicago, Illinois
Posted August 12, 2026
payroll

Overview

You own complex billing for high-revenue partners at Katten, a 650-attorney law firm, using Elite and Aderant. You resolve discrepancies, manage e-billing platforms, and ensure compliance. You collaborate with Capital Partners and clients, with year-end intensity. This role offers hybrid flexibility and mentorship opportunities.

What You'll Do10

  • 1Manage a portfolio of complex billing assignments supporting partners with large, sophisticated books of business.
  • 2Prepare and finalize client invoices using advanced methodologies including consolidated billing and alternative fee arrangements (AFAs).
  • 3Perform pre-bill reviews to verify accuracy, flag non-billable entries, and resolve discrepancies before attorney approval.
  • 4Analyze billing discrepancies and account variances, reconciling misapplied funds and enforcing client guidelines.
  • 5Submit electronic invoices through Billblast and eBillingHub, monitoring status and resolving rejections.
  • 6Partner with attorneys and legal assistants to interpret billing guidelines and resolve complex issues.
  • 7Create detailed Excel reports to support client-specific needs and decision-making.
  • 8Review aged work-in-process (WIP) and recommend write-offs or retain balances with justification.
  • 9Mentor junior billing staff on procedures and best practices, fostering team development.
  • 10Collaborate with accounting to research payment applications and resolve discrepancies.

Requirements9

  • 110+ years progressive billing/e-billing experience, preferably in a large legal or professional services firm.
  • 2Bachelor's degree required.
  • 3Advanced knowledge of Elite, Aderant, CMS, or comparable legal billing systems.
  • 4Extensive experience with e-billing platforms like Billblast and eBillingHub.
  • 5Proficiency in Microsoft Office (Word, Excel), Outlook, and Adobe.
  • 6Demonstrated ability to interpret complex client billing guidelines and alternative fee arrangements.
  • 7Strong analytical skills to reconcile discrepancies and manage multiple reports simultaneously.
  • 8Excellent communication and interpersonal skills for attorney and client interactions.
  • 9Ability to work overtime at month-end and year-end, with availability from November 15 through January 31.

Salary Insight

$95 - $105k per year

Location

Typepartially
LocationChicago, Illinois

Required Skills

EliteAderantCMSBillblasteBillingHubMicrosoft ExcelMicrosoft WordOutlookAdobeAnalytical skills
Share:

Similar open positions

Explore active roles that match your skills and interests.

DLA Piper LLP (US)

4d agoSan Francisco, Californiapayroll

Client Accounts Administrator | DLA Piper Billing

You will own the firm's top-tier billing portfolios, managing complex domestic and global clients with the highest volumes and fees. As a subject-matter expert, you will handle full-cycle billing, from prebills to electronic submissions, using BillBlast and Aderant. You'll collaborate with Legal Support Services and Accounting teams, and mentor junior staff. This role stands out for its direct client exposure and global billing coordination.

85K–135K
BillBlastLEDESExcel+5 more
Holland & Knight LLP

Holland & Knight LLP

6d agoTampa, Floridapayroll

Senior Billing Specialist - Holland & Knight LLP

We seek a Senior Billing Specialist to generate monthly client invoices and drive billing excellence within our Tampa or Dallas offices. This role contributes to firm growth while maintaining high performance standards. The ideal candidate thrives in dynamic environments and collaborates closely with Partners and their assistants.

Competitive salary
Aderant softwareE-BillingWindows-based software+6 more
DLA Piper LLP (US)

DLA Piper LLP (US)

6d agoSan Francisco, Californiapayroll

Client Accounts Administrator | DLA Piper Billing Role

You will own the most complex domestic and global billing books for DLA Piper's top-tier clients, managing high-volume portfolios in Aderant and BillBlast. You will serve as the billing subject-matter expert, driving process improvements and mentoring junior staff while collaborating across Legal Support Services and Accounting. This role offers a hybrid schedule and sits in major West Coast hubs, giving you direct exposure to institutional clients and global e-billing operations.

85K–135K
BillBlaste-Billing HubAderant+5 more

G&A Recruiting Partners

14h agoDetroit, Michigancontract

Billing Specialist, Legal & E-Billing

You will manage legal billing cycles for a fast-paced law firm in Detroit, from pre-bill generation to final invoice submission. You will work with Aderant, BillBlast, and Serengeti to ensure accuracy and compliance. This temp role drives efficiency in client billing workflows and requires prior legal billing experience.

35K–55K
aderantbillblastserengeti+2 more
DLA Piper LLP (US)

DLA Piper LLP (US)

2d agoSan Francisco, Californiapayroll

Client Accounts Operations Lead - Pacific Time

The Client Accounts Operations Lead will own billing for top-tier institutional clients. This role serves as a subject-matter expert driving process improvements and mentoring staff. It is a remote position with hybrid flexibility across multiple offices.

90K–143K
Advanced Microsoft ExcelAderant Legal Billinge-Hub+7 more

Kahana & Feld LLP

16d agoAustin, Texaspayroll

Legal Billing Specialist Position Austin TX

The Legal Billing Specialist will own the timely accurate and compliant preparation submission and management of client invoices at our Austin location. This role supports the firm revenue cycle by acting as a liaison between attorneys legal staff and third party payers. We seek a detail oriented individual who thrives in a fast paced environment. The position offers competitive compensation and benefits.

71K–77K
pythonawsreact+2 more