Billing Senior Coordinator

The Billing Senior Coordinator provides billing and financial data support to Billing Specialists, Billing Managers, and Lawyers, and serves as an experienced support-level resource within the Billing team. This role owns assigned areas of responsibility, performs quality reviews, coordinates follow-up across the team, and supports the development of Billing Coordinators. The individual must be flexible, well organized, detail oriented, and deadline focused, with the ability to work with decreasing supervision.

Duties and Responsibilities: 

• Runs, reviews, and monitors billing reports, escalates aging or outstanding items ahead of reporting deadlines, and identifies recurring issues and trends for managers.

• Reviews report outputs for exceptions, processes routine resolution requests, maintains follow-up trackers, and supports accrual reporting, including timekeeper outreach as directed.

• Validates the billing status list for quality and completeness, coordinates status follow-up with billers, identifies patterns, and recommends improvements to reporting accuracy and review efficiency.

• Maintains Partner and client billing preference notes, tracks new lawyers, clients, and assignment changes requiring updates, transfers notes for reassigned or departing billers, and reviews Coordinator-entered updates for accuracy as part of ongoing quality oversight.

• Reviews cost backup documentation for completeness, confirms client-specific requirements, compiles final documentation packages, and escalates gaps for resolution.

• Monitors electronic billing systems for rejections, researches root causes, recommends and carries out corrective actions for routine issues, and escalates recurring patterns to managers.

• Performs delegated proforma edits, maintains review and distribution trackers, monitors held or stalled items, and conducts quality checks before work is returned for review. Owns Pro Bono proforma distribution and follow-up, maintaining partner-facing communication through completion.

• Over time, may manage a small portfolio of light, routine billing matters end to end, based on readiness and capacity.

• Manages progress on assigned activities, coordinates handoffs across the team, identifies bottlenecks, and escalates exceptions.

• Helps Coordinators navigate routine tasks, reinforces standard procedures, supports training and onboarding of new team members, and identifies training or job aid gaps.

• Applies cross-functional knowledge to recommend workflow improvements and supports testing, pilots, and special projects.

• Provides high levels of customer service to lawyers, staff, vendors, and clients of the Firm while observing confidentiality of client and Firm matters.

Education and/or Experience:

Required:

• Bachelor’s degree

• A minimum of one year of billing, accounting, or related professional services experience

• Proficiency in Microsoft Word and Excel

Preferred:

• Two or more years of billing, accounting, or related professional services experience

• Previous law firm or professional services firm experience

• Experience with legal billing systems and electronic billing platforms

Other Skills and Abilities:

The following will also be required of the successful candidate:

• Strong organizational skills

• Strong attention to detail

• Good judgment

• Strong interpersonal communication skills

• Strong analytical and problem-solving skills

• Able to work harmoniously and effectively with others

• Able to preserve confidentiality and exercise discretion

• Able to work under pressure

• Able to manage multiple projects with competing deadlines and priorities

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The target salary range for this role is:

Salaries vary by location and are based on numerous factors, including, but not limited to, the relevant market, skills, experience, and education of the selected candidate. Our compensation package also includes bonus eligibility and a comprehensive benefits program. Benefits information can be found at Sidley.com/Benefits.

To perform this job successfully, an individual must be able to perform the Duties and Responsibilities above satisfactorily and meet the requirements. The requirements listed above are representative of the minimum knowledge, skill, and/or ability required. Reasonable accommodations will be made to enable individuals with disabilities to perform the essential functions of the job. If you need such an accommodation, please email [email protected] (current employees should contact Human Resources).

Sidley Austin LLP is an Equal Opportunity Employer.