Billing Assistant

Simpson Thacher & Bartlett LLP; New York, Northern (NY, KY); Hybrid; USD 65,000 - 75,000; Full time

Benefits offered by this job

Hybrid work model

Job summary

Simpson Thacher & Bartlett LLP, based in New York, NY, seeks a Billing Assistant to support billing coordinators, attorneys, and staff with complex invoicing and inquiries. The role involves preparing client invoices, processing invoices, and maintaining data in a fast-paced environment.

Under general supervision, you will help with high-volume invoice creation, edits based on partner input, e-billing submissions, and resolving e-billing issues, while ensuring confidentiality and accuracy.

Qualifications

• High School diploma or GED required.
• 1–2 years billing, finance or accounting experience in a law firm.
• Familiarity with 3E and E-Billing Hub preferred.

Responsibilities

• Assist with creating, editing, and processing a high volume of invoices promptly.
• Review invoices for misallocated time and ensure client guideline compliance.
• Edit drafts: narratives, transfers, splits, write-offs per policy.
• Support filing of bill packages and monthly billing discussions.
• Maintain client-specific instructions and internal comments.
• Submit e-bills via eBillingHub or client sites; resolve rejections.
• Provide general administrative support and respond to inquiries promptly.
• Maintain confidentiality and meet deadlines in a fast-paced environment.
• Adapt to additional hours as needed.

Skills

Communication skills

Written and oral communication

Math skills

MS Office

Attention to detail

Team player

Customer service

Multitasking

Discretion with confidential info

Education

High School diploma or GED

BA preferred

Tools

3E

E-Billing Hub

Job description

Under general supervision, the Billing Assistant is responsible for assisting billing coordinators, attorneys, and other non-legal staff with complex billing assignments and related billing inquiries. Responsibilities include preparation of client invoices, invoice processing, data maintenance and related administrative duties.

Responsibilities

Assist Billing Coordinators with creating, editing, and processing high volume of invoices in a timely manner. Review invoices for misallocated time and ensure time entries are in accordance with client guidelines. Edit draft invoices based on partner mark-up, including: time entry narrative changes, fee/cost transfers, splitting entries, unblocking entries, on-account applications, and write-offs in accordance with firm policy. Assist Billing Coordinators with the filing of bill packages in accordance with department policy. Attend meetings with Billing Managers, Billing Coordinators, and/or Partners to discuss monthly billing strategy and outstanding invoices. Maintain and update special instructions and internal comments related to billing attorneys’ clients and matters. Assist with electronic invoice submissions by submitting e-bills via eBillingHub and/or the client’s designated e-billing website. Assist with identifying e-billing issues; work to resolve e-bill rejections and short payments. Provide department-wide administrative support as needed (ie. filing, providing client invoice copies, pulling expense back up, etc.). Respond to inquiries and requests for information made by attorneys, secretaries, legal and non-legal staff using effective communication skills, both oral and written, in a timely manner. Actively seek to enhance knowledge of all billing related processes and procedures. Use sound judgement when approaching problems and making decisions. Observe confidentiality of client and firm matters. Assist with special projects. Flexibility to work additional hours as needed. Perform other duties as assigned.

Required Skills

• Strong communication skills, both written and oral


• Ability to effectively present information verbally and in writing


• Basic math skills: add, subtract, multiply, divide, percentage calculations, etc.


• Knowledge of Microsoft Office Suite, with the ability to learn new software and operating systems


• Ability to work effectively, independently, at times with minimal supervision, in a fast-paced environment


• Must be able to work collaboratively in a team environment


• Strong attention to detail


• Strong customer service skills


• Demonstrated analytical and problem-solving skills


• Can organize, prioritize, plan and multi-task work activities, with the ability to effectively meet deadlines in a high-pressure environment


• Ability to adapt to all work situations in order to achieve desired results


• Ability to use discretion with sensitive and confidential information

Preferred Skills

• 1-2 years billing, finance or accounting experience in a law firm environment


• 1 year experience with 3E and E-Billing Hub or related applications

Required Education

High School diploma or GED equivalent required

Preferred Education

BA preferred

Salary Information

NY Only: The estimated base salary range for this position is $65,000 to $75,000 at the time of posting. The actual salary offered will depend on a variety of factors, including without limitation, the qualifications of the individual applicant for the position, years of relevant experience, level of education attained, certifications or other professional licenses held, and if applicable, the location in which the applicant lives and/or from which they will be performing the job. This role is non-exempt meaning it is overtime pay eligible. Simpson Thacher will not sponsor applicants for work visas for this position.

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Simpson Thacher & Bartlett is committed to a collegial work environment in which all individuals are treated with respect and dignity. The Firm prohibits discrimination or harassment based upon race, color, religion, gender, gender identity or expression, age, national origin, citizenship status, disability, marital or partnership status, sexual orientation, veteran’s status or any other legally protected status. This Policy pertains to every aspect of an individual’s relationship with the Firm, including but not limited to recruitment, hiring, compensation, benefits, training and development, promotion, transfer, discipline, termination, and all other privileges, terms and conditions of employment.

#LI-Hybrid

Simpson Thacher & Bartlett LLP is one of the world’s leading international law firms. The Firm was established in 1884 and has approximately 2,000 lawyers. Headquartered in New York with offices in Beijing, Boston, Brussels, Dallas, Hong Kong, Houston, London, Los Angeles, Luxembourg, Palo Alto, San Francisco, São Paulo, Tokyo and Washington, D.C., the Firm provides coordinated legal advice and transactional capability to clients around the globe.