Senior Billing Analyst

Wilson Sonsini is the premier legal advisor to technology, life sciences, and other growth enterprises worldwide. We represent companies at every stage of development, from entrepreneurial start-ups to multibillion-dollar global corporations, as well as the venture firms, private equity firms, and investment banks that finance and advise them. The firm has approximately 1,100 attorneys in 17 offices: 13 in the U.S., two in China, and two in Europe. Our broad spectrum of practices and entrepreneurial spirit allow exceptional opportunities for professional achievement and career growth. Wilson Sonsini is looking for a Senior Billing Analyst to join our growing finance department. The Senior Billing Analyst independently analyzes client billing issues, implements complex client arrangements, and supports automated billing operations. This position is available as a hybrid work schedule. Essential Duties and Responsibilities: Analyze current Expert Billing workflows and functions and implement automations and improvements. Conduct quality control of team’s billing practices by establishing and administering internal quality control procedures. Alongside Senior Manager, oversee and ensure compliance with financial policies for billing workflows. Analyze WIP aging, and proactively collaborate with legal and finance teams to ensure timely billing. Implement and support billing templates, task codes, bill groups, matter plans, and split payors. Identify and Implement billing solutions for flat and fixed fees, and action codes. Apply and manage alternate fee arrangements in Entity Manager. Coordinate with finance team on client-specific billing arrangements and provide guidance for proper execution in Expert Billing. Conduct billing and payment reconciliation for client accounts. Find resolutions as needed. Manage sensitive time modifications including deletions and changes to dates and worked hours. Education and/or Work Experience Requirements: Bachelor’s degree preferred. 5+ years of demonstrated results at a big law firm, including expertise in Aderant Expert Billing. Experience with Aderant Expert Billing, Entity Manager and BillBlast required. Knowledge of firm and client billing policies and procedures. Advanced knowledge of Microsoft Excel. Strong service-oriented skills including excellent interpersonal and communication skills. Must be able to work in a fast paced environment and meet deadlines, while maintaining a positive attitude and providing exemplary customer service. Ability to work independently and to carry out assignments to completion within parameters of instructions given, prescribed routines, and standard accepted practices. The primary location for this job posting is in Palo Alto, but other locations may be listed. The actual base pay offered will depend upon a variety of factors, including but not limited to the selected candidate’s qualifications, years of relevant experience, level of education, professional certifications and licenses, and work location. The anticipated pay range for this position is as follows: Palo Alto, New York, San Francisco: $102,000 - $138,000 per year. San Diego, Seattle, Washington, D.C.: $91,800 - $124,200 per year. The compensation for this position may include a discretionary year-end merit bonus based on performance. We offer a highly competitive salary and benefits package. Benefits information can be found here. Equal Opportunity Employer (EOE). careers.wsgr.com Wilson Sonsini is the premier legal advisor to technology, life sciences, and growth enterprises worldwide, as well as the venture firms, private equity firms, and investment banks that finance them. We represent more than 300 public enterprises and 3,000 private companies in a wide range of today’s cutting-edge industries, from AI and fintech to life sciences and mobility. For more than 60 years, our attorneys and professional staff have created a unique working environment. With deep roots in the fast-paced and innovative world of Silicon Valley, the firm fosters an entrepreneurial spirit and team-oriented approach for all employees, providing professional and personal development opportunities and encouraging all departments to promote a stable and optimal work/life balance. Wilson Sonsini is committed to creating a diverse and inclusive workforce globally. We have built a culture in which employees of all backgrounds, viewpoints, and experiences are encouraged and empowered to achieve their maximum potential. Our firm is consistently recognized among the top law firms in annual diversity rankings. For example, Wilson Sonsini ranked No. 2 among firms with more than 601 attorneys in Law360’s 2025 Diversity Snapshot. Additionally, in 2025, for the seventh consecutive year, Wilson Sonsini achieved Mansfield Plus Certification, and in 2026, for the sixth consecutive year, the firm achieved a top score of 100 on the Human Rights Campaign Foundation’s Corporate Equality Index. We are also dedicated to enhancing the communities in which we live and work by providing legal services, financial support, and volunteer services to worthy agencies and individuals in need. In 2025, Wilson Sonsini attorneys and staff provided more than 80,500 pro bono hours, participated in 125 community service projects, and raised over $130,000 for charitable organizations and causes. In addition, the Wilson Sonsini Foundation contributed more than $2.35 million to 112 law-related organizations and 129 community organizations in 2025. Wilson Sonsini has 17 offices in 16 technology and business hubs worldwide. Austin, TX Boston, MA Boulder, CO Brussels, Belgium Century City, CA Hong Kong London Los Angeles, CA New York, NY Palo Alto, CA Salt Lake City, UT San Diego, CA San Francisco, CA Seattle, WA Shanghai (China) Washington, D.C. Wilmington, DE