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Billing Assistant

Sidley Austin LLP
Washington, DC Full Time
POSTED ON 1/10/2026
AVAILABLE BEFORE 2/17/2026
Summary

The Billing Assistant will provide billing and administrative support to Billing Specialists and Billing Managers. The position provides exposure/opportunities to learn the firm’s billing operations and to interact with the firm’s lawyers, secretaries and other accounting departments. This individual must be flexible, well organized, detail oriented and deadline focused.

Duties And Responsibilities

  • Perform invoice maintenance as directed by Billing Specialists. This may include but is not limited to: narrative edits, time transfers, invoice splitting and cost exception updates.
  • Prepare and print draft bills, and other client reports as necessary.
  • Assist with the printing, sorting and routing of monthly proformas.
  • Upload electronic invoices upon request and ensure processing is accurate and efficient. Monitor the status of the electronic invoices to ensure the invoice is moving towards approval and payment. As needed, submit appeals through the electronic billing systems.
  • Submit accrual estimates and billing rates/fee offers in the electronic billing systems.
  • Follow up with attorneys as requested by Billing Specialists or the Billing Manager.
  • Provide high levels of customer service to attorneys, staff, vendors, and clients of the firm while observing confidentiality of client and firm matters.
  • Perform various administrative duties such as duplicating, mailing, proofreading and scanning of invoice packets.
  • Serve as the billing point person for a small portfolio of client and billing partners, with oversight by the Billing Supervisor and Manager.
  • Assist with special projects which will include, among other projects, testing related to system upgrades or conversions.

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. If an estimated salary range for this role is available, it will be provided in our Target Salary Range section. Our compensation package also includes bonus eligibility and a comprehensive benefits program. Benefits information can be found at Sidley.com/Benefits .

Target Salary Range

$66,500 - $75,000 if located in Washington DC

Qualifications

To perform this job successfully, an individual must be able to perform the Duties and Responsibilities (Duties) above satisfactorily and meet the requirements below. The requirements listed below 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 sidleytalentacquisition@sidley.com (current employees should contact Human Resources).

Required

Education and/or Experience:

  • Bachelor’s degree or equivalent experience working in an office environment
  • Proficiency in Microsoft Word and Excel

Preferred

  • Previous law firm or professional services firm experience
  • Experience with 3E and ebilling Hub

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

Sidley Austin LLP is an Equal Opportunity Employer

Salary : $66,500 - $75,000

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