Billing Analyst - Protiviti

Who We Are 

Robert Half, one of FORTUNE’s World’s Most Admired Companies and a Fortune 100 BEST Companies to Work For is hiring a contract Billing Analyst – Protiviti to join the Protiviti Operations department. At Robert Half, we don’t just process invoices—we power the financial engine behind Protiviti’s innovative consulting services. As a Billing Analyst, you’ll play a key role in ensuring accurate, timely, and compliant billing for high-impact projects. If you thrive in a fast-paced, detail-oriented environment and love working with Excel, this is your opportunity to make a difference in a collaborative, innovative team. 

What You’ll Do 

Billing & Tax Operations 

• Review and validate sales tax calculations for various service lines. 

• Coordinate tax table updates with IT using third-party software. 

• Maintain invoice logs and tax summaries for audit readiness. 

• Prepare Monthly tax reports 

Process Optimization & Compliance 

• Identify and implement process improvements in billing workflows. 

• Ensure compliance with Sarbanes-Oxley and internal controls. 

• Analyze client billing requirements and develop custom invoice templates. 

Collaboration & Support 

• Partner with IT, Finance, and Operations to resolve complex billing issues. 

• Train and support Billing Specialists, especially during peak periods. 

• Monitor group inbox activity and ensure timely responses. 

Reporting & Reconciliation 

• Prepare monthly billing metrics  

• Verify daily billing reconciliations and sign off on control batches. 

• Reconcile client invoices/balances to external source data.  

What You’ll Need 

• Bachelor’s degree in Accounting or related field (or 5+ years of relevant experience without a degree). 

• 3+ years in accounting operations within a high-volume environment. 

• Advanced Microsoft Excel: Pivot tables, VLOOKUP, macros, and data analysis tools. 

• Proficiency in Microsoft 365: Outlook, Word, PowerPoint, and Teams. 

• Familiarity with ERP systems and payroll platforms. 

• Strong analytical and problem-solving abilities. 

• Excellent communication and team collaboration skills. 

• Detail-oriented with a commitment to accuracy and deadlines. 

The typical annual salary range for this position is shown below and is negotiable depending upon experience and location.

We offer exceptional earning potential and a competitive benefits package, including group health insurance benefits (medical, vision, dental), FSA and HSA healthcare accounts, life and accident insurance, adoption and fertility assistance, paid parental leave of up to 6 weeks, and short/long term disability. Robert Half provides paid time off for vacation, personal needs, and sick time. The amount of Choice Time Off (CTO) our people receive varies based on their years of service and is pro-rated based on the hours worked per week. A new hire earns up to 17 days of CTO per calendar year. Our people also receive up to 11 paid holidays per calendar year. We also offer the opportunity to contribute to our company 401(k) savings and investment plan or deferred compensation plan (if eligible), with an employer match of 100% on the first 3% of your contributions for eligible employees. Learn more at https://roberthalfbenefits.com.

Robert Half Inc. is an Equal Opportunity Employer. M/F/Disability/Veteran

As part of Robert Half’s Corporate Services facility employment process, any offer of employment is contingent upon successful completion of a background check.

Our recruiters use their expertise and may utilize AI to help with their evaluation of candidates.

Robert Half is committed to being an equal employment employer offering opportunities to all job seekers, including individuals with disabilities. If you believe you need a reasonable accommodation in order to search for a job opening or to apply for a position, please contact us by sending an email to HRSolutions@roberthalf.com or call 1.855.744.6947 for assistance.

In your email please include the following:

• The specific accommodation requested to complete the employment application.

• The location(s) (city, state) to which you would like to apply.

For positions located in San Francisco, CA: Robert Half will consider qualified applicants with criminal histories in a manner consistent with the requirements of the San Francisco Fair Chance Ordinance.

For positions located in Los Angeles County, CA: Robert Half will consider for employment qualified applicants with arrest or conviction records in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act.