Jobs › Fiserv

Billing Professional

Fiserv · Milwaukee, WI · Full time

Posted Sep 30, 2026 · We last checked this listing on Oct 6, 2026

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Likely interview questions for this role

Written from this job description, not a generic list. Each one notes what the interviewer is really checking.

About your past

Tell me about a time you found an error that others had missed. What led you to it?

What they are checking: Attention to detail and curiosity, which protect revenue and client trust in billing work.

Tell me about a time you worked with finance or operations to fix a recurring billing issue.

What they are checking: Whether they partner across teams to fix causes, which strengthens operational consistency.

How do you keep your accuracy high when the volume is heavy and the work is repetitive?

What they are checking: Whether they have habits that hold quality steady through routine, high-volume work.

What would you do

A client disputes a charge and says they were billed twice. How do you handle it from start to finish?

What they are checking: Whether they can investigate calmly, fix the record properly and communicate clearly with the client.

You're at the end of a recurring billing cycle and an adjustment request comes in that isn't fully documented. What do you do?

What they are checking: Whether they follow established procedures under deadline pressure rather than cutting corners on controls.

A teammate asks you to push an adjustment through quickly without the usual approval because the client is important. What do you do?

What they are checking: Integrity around billing controls, which matters because adjustments affect revenue and audit trails.

About the work

Walk me through how you would review a batch of invoices before they go out. What are you checking for?

What they are checking: Whether they have a real review routine that catches errors before a client ever sees them.

You find a billing discrepancy between account details and transaction records. How do you trace where it came from?

What they are checking: Whether they can work an exception back to its root cause instead of just patching the number.

How does billing fit into the order-to-cash process, and what happens downstream when an invoice is wrong?

What they are checking: Whether they understand that billing errors ripple into collections, revenue and client satisfaction.

Which Excel skills do you lean on most for billing analysis, and give me an example of how you used them?

What they are checking: Whether they can actually work large transaction data, not just say they are good with spreadsheets.

What would make you confident that an account maintenance change was done correctly?

What they are checking: Whether they verify their work against source records rather than assuming a system update took.

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The full job description

As published by Fiserv.

Calling all innovators – find your future at Fiserv. We’re Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants, and consumers to one another millions of times a day – quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we’re involved. If you want to make an impact on a global scale, come make a difference at Fiserv. Job Title Billing Professional About your role: As a Billing Professional, you will support billing operations by preparing, reviewing, and resolving billing activity that helps ensure accurate invoicing and timely revenue-related processing. You will work with finance, operations, and cross-functional business partners to support account maintenance, issue resolution, and billing accuracy. Your work helps strengthen operational consistency, client satisfaction, and the integrity of the order-to-cash process. What you'll do: • Prepare, review, and process billing transactions to support accurate invoicing and timely completion of billing activities. • Analyze billing data, account details, and transaction records to identify discrepancies and resolve exceptions. • Support recurring billing cycles, account maintenance, and adjustments in accordance with established procedures and deadlines. • Partner with finance, operations, and internal business teams to research billing issues and ensure accurate account resolution. • Maintain billing records, supporting documentation, and transaction details in accordance with internal controls and standard processes. • Monitor billing activity and reporting to identify trends, reduce errors, and improve process consistency. • Assist with audit requests, reporting support, and documentation related to billing operations and controls. • Responsibilities listed are not intended to be all-inclusive and may be modified as necessary. Experience you'll need to have: • 2+ years of experience in billing, finance, accounting, order-to-cash, or related business operations supporting invoicing, account maintenance, and transaction processing. • 2+ years of experience analyzing billing records, resolving discrepancies, and supporting recurring billing cycles or payment-related processes. • Proficiency with Microsoft Excel including large data sets, Macros, V Look-up, and Pivot tables. • Experience maintaining documentation and records to support billing accuracy, internal controls, and audit readiness. • Bachelor's degree or higher in Accounting, Finance, Business, or related field or equivalent combination of education, related experience and/or military experience. Experience that would be great to have: • Experience supporting order-to-cash operations in a high-volume business environment (SAP, Oracle or similar) • Experience working with billing systems, enterprise resource planning systems, or financial platforms. • Experience partnering with internal teams to resolve billing exceptions and account issues. • Experience supporting process improvement initiatives within billing or revenue operations. How you'll work: • This role is on-site Monday through Friday. Fiserv considers in-person collaboration to be an essential part of this role as in-person office experience helps you with your overall onboarding experience and leads to stronger productivity. Sponsorship: You must currently possess valid and unrestricted U.S. work authorization to be considered for this role. Individuals with temporary visas including, but not limited to, F-1 (OPT, CPT, STEM), H-1B, H-2, or TN, or any candidate requiring sponsorship, now or in the future, will not be considered for this role. Benefits at Fiserv: • Fuel Your Life program to support your physical, financial, social, and emotional well-being. • Paid holidays and generous time away policies. • No-cost mental health support through Employee Assistance Programs. • Living Proof program to recognize your peers’ extra effort with points redeemable for rewards. • Eight Employee Resource Groups to foster a collaborative culture and expand your network. • Unparalleled professional growth with training, development, and internal mobility opportunities. • Medical, dental, vision, life, and disability insurance options available from day one. • Retirement planning including 401k match and discounted shares with the Employee Stock Purchase Plan. • Tuition assistance and reimbursement program. • Paid parental and military leave. #LI-CR1 This role is not eligible to be performed in Colorado, California, District of Columbia, Hawaii, Illinois, Massachusetts, Maryland, Minnesota, New Jersey, New York, Nevada, Rhode Island, Vermont, Virginia, Maine or Washington. It is unlawful to discriminate against a prospective employee due to the individual's status as a veteran. Please note that salary ranges provided for this role on external job boards are salary estimates made by outside parties and may not be accurate. Thank you for considering employment with Fiserv. Please: • Apply using your legal name • Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable). Our commitment to Equal Opportunity: Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law. If you have a disability and require a reasonable accommodation in completing a job application or otherwise participating in the overall hiring process, please contact AskHR.US@fiserv.com . Please note our AskHR representatives do not have visibility to your application status. Current associates who require a workplace accommodation should refer to Fiserv’s Disability Accommodation Policy for additional information. Note to agencies: Fiserv does not accept resume submissions from agencies outside of existing agreements. Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions. Warning about fake job posts: Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address.

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