Billing Specialist

ActiveProspect, Inc.•Austin, TX

1d•Hybrid

About The Position

ActiveProspect is seeking a detail-oriented and analytical Billing Specialist to support billing operations for a hybrid SaaS revenue model, including subscription-based and usage-based billing. This role is responsible for ensuring accurate invoicing tied to contract terms and customer usage, resolving discrepancies, and partnering cross-functionally. In collaboration with our Sales teams, this role ensures the timely collection and processing of customer payments.

Requirements

2–4 years of experience in billing, accounts receivable, or a related finance function
Strong attention to detail and accuracy in data entry and analysis
Experience with billing systems and ERP platforms (e.g., NetSuite, Salesforce, or similar)
Proficiency in Microsoft Excel (e.g., pivot tables, lookups)
Strong problem-solving skills and the ability to investigate discrepancies independently
Effective communication skills with the ability to collaborate cross-functionally
Ability to manage multiple priorities and meet deadlines in a fast-paced environment

Nice To Haves

Hands-on experience with Zuora Billing and Zuora Revenue (formerly RevPro) strongly preferred; experience with ZoneBilling is also highly desirable.
Basic understanding of revenue recognition principles is a plus

Responsibilities

Generate and distribute monthly invoices, including fixed subscription fees and variable usage-based charges (e.g., lead volume, usage, or transaction-based pricing)
Validate billing inputs by reconciling usage data from internal systems with contracted pricing and customer agreements
Review contracts and order forms to ensure accurate billing setup, including pricing tiers, minimums, overages, and discounts
Investigate and resolve billing discrepancies, including mismatches between usage data, CRM records, and invoicing systems
Partner closely with Sales, Customer Success, and RevOps to ensure alignment between contracts, product usage, and billing outputs
Maintain accurate billing schedules for renewals, amendments, and mid-cycle changes (e.g., upgrades, downgrades, prorations)
Participate in month-end close by preparing billing reports, reconciliations, and variance analyses
Support revenue recognition efforts by ensuring billing aligns with contract structure and delivery of services
Identify and implement process improvements to enhance billing accuracy, scalability, and automation, including Zuora integration
Maintain documentation of billing processes and controls to support audit readiness
Other duties as requested.