Senior Billing Specialist

Location: Dallas, TX, Hybrid
Department: Finance & Accounting
Reports To: Accounting Manager

Position Summary

Our Client is seeking an experienced Senior Billing Specialist to serve as a subject-matter expert responsible for executing and overseeing complex customer billing activities within a SaaS and services-based revenue model.

This position plays an important role in ensuring billing accuracy, alignment with ASC 606 revenue recognition principles, and audit-ready financial support. The Senior Billing Specialist will go beyond transactional billing, providing advanced billing analysis, revenue-related reporting, reconciliations, and cross-functional coordination to support accurate revenue recognition, deferred revenue management, and the monthly financial close.

The ideal candidate brings significant billing and revenue operations experience, exceptional attention to detail, strong analytical capabilities, and the ability to support both operational execution and financial reporting requirements within a growing SaaS environment.

Key Responsibilities

Advanced Billing Execution

• Prepare, review, and issue complex customer invoices in accordance with executed contracts, pricing schedules, and service delivery data

• Support billing across subscription-based, usage-based, and services revenue streams

• Validate billing inputs, including contract terms, pricing changes, service information, and customer master data

• Research and resolve billing discrepancies and complex invoicing issues

• Serve as an escalation point and subject-matter expert for complex or non-standard billing scenarios

• Ensure invoices are accurate, complete, and issued within established timelines

SaaS Billing & ASC 606 Alignment

• Ensure billing activities align with ASC 606 revenue recognition principles, including:

  • Identification of performance obligations

  • Billing timing versus revenue recognition

  • Variable consideration and true-ups

• Partner with Accounting to support reconciliations between billed revenue, deferred revenue, and recognized revenue

• Assist in maintaining billing documentation and audit support related to revenue recognition

• Help ensure billing practices appropriately reflect contractual terms and revenue accounting requirements

Revenue & Deferred Revenue Reporting

• Prepare and support billing-to-revenue reconciliation schedules

• Assist with deferred revenue rollforwards and waterfall reporting

• Perform billing versus revenue variance analysis and research discrepancies

• Provide monthly close inputs related to billing cut-off, deferred revenue, and unbilled receivables

• Support FP&A with billing data used for forecasting, ARR analysis, and customer-level revenue insights

• Help maintain accurate and reliable billing data used for financial and management reporting

Controls, Documentation & Audit Support

• Perform quality assurance reviews of invoices prior to issuance

• Maintain accurate, complete, and audit-ready documentation for billing transactions and adjustments

• Support internal and external audit requests related to billing and revenue

• Ensure adherence to documented billing SOPs, accounting policies, and internal controls

• Assist with revenue recognition reviews and provide supporting billing documentation as required

Cross-Functional Collaboration

• Partner with Accounts Receivable, Collections, Revenue Cycle, Customer Success, Sales Operations, Accounting, and FP&A to resolve billing disputes and inquiries

• Support Accounting leadership in identifying root causes of billing issues affecting collections or accounts receivable aging

• Act as a trusted billing subject-matter expert for cross-functional stakeholders

• Communicate complex billing issues clearly and work collaboratively to achieve timely resolution

Process Improvement & Systems Enablement

• Identify opportunities to improve billing accuracy, efficiency, timeliness, and automation

• Support system enhancements, implementations, and testing related to billing platforms and ERP systems

• Assist with documenting and updating billing procedures as systems, contracts, and processes evolve

• Participate in continuous improvement initiatives designed to create scalable billing processes

• Support increased automation and improved data quality across billing operations

Qualifications

• Bachelor's degree in Accounting, Finance, Business, or a related field, or equivalent professional experience

• 7+ years of experience in billing, revenue operations, accounts receivable, or a related function

• Direct experience working within a SaaS, subscription-based, or services-based billing environment

• Working knowledge of ASC 606 as it relates to billing and revenue recognition

• Experience handling complex customer billing arrangements and reconciliations

• Strong analytical and problem-solving capabilities

• Excellent attention to detail and commitment to financial accuracy

• Ability to work effectively across multiple Finance and business functions

Preferred Qualifications

• Experience preparing or supporting deferred revenue rollforwards and waterfall schedules

• Familiarity with ERP and billing platforms such as Oracle, Zuora, or similar systems

• Experience supporting financial audits or revenue recognition reviews

• Advanced Excel skills

• Strong experience with reconciliations and variance analysis

• Previous experience in a growing SaaS, software, technology, or services organization

Key Competencies

Billing Subject-Matter Expertise: Deep understanding of complex billing mechanics, customer contracts, and revenue flows.

Analytical & Detail-Oriented: Highly accurate, disciplined, and capable of identifying discrepancies within complex billing and revenue data.

Compliance-Minded: Understands the relationship between billing, revenue integrity, internal controls, and audit readiness.

Cross-Functional Collaboration: Works effectively across Accounting, FP&A, Accounts Receivable, Collections, Customer Success, Sales Operations, and other business teams.

Problem Solving: Able to research complex billing issues, identify root causes, and drive issues through resolution.

Continuous Improvement: Proactively identifies opportunities to strengthen processes, improve data quality, and increase automation.

Success Measures

Success in this position will include:

• Accurate and timely issuance of customer invoices with minimal rework

• Clean billing-to-revenue and deferred revenue reconciliations

• Reduction in billing-related disputes, errors, and adjustments

• Timely and accurate support of the monthly financial close

• Strong audit readiness with no significant billing-related findings

• Improved billing data quality supporting FP&A and revenue reporting

• Increased efficiency and scalability of billing processes

Career Growth

This position offers opportunities for continued growth within billing, revenue operations, and accounting, including potential progression into roles such as:

• Senior Billing Analyst

• Revenue or Billing Analyst

• Billing Lead

• Billing or Revenue Operations leadership

Work Environment

This position is based in Dallas, TX and operates on a hybrid work schedule.

Our Client offers the opportunity to join a growing organization where the Senior Billing Specialist will have meaningful visibility across Finance and play an important role in strengthening billing operations, revenue integrity, financial reporting, and scalable processes.

Throughout the past 35+ years, MMC, one of the most trusted names in workforce management services, has successfully delivered strategic solutions to large and small businesses in numerous industries.

We have built our reputation on partnering with our clients and candidates to achieve the desired results. Our recruiting professionals have extensive experience matching the right candidate, to the right client, for the right position. We provide the best opportunities to the most talented candidates in a multitude of industries.

MMC is a privately owned business with corporate headquarters in Irving, Texas. With 2,000+ employees, working in 40+ states, MMC is able to support all United States locations, and some international locations.

We appreciate your interest in reviewing this particular position and we encourage you to visit our website where you can always search and apply for opportunities at www.mmcgrp.com

Benefits with MMC Group
MMC offers health insurance plans for our active candidates on assignment, including:

• Medical, dental, and vision coverage
• Life and disability insurance
• Additional voluntary benefits

Join MMC and enjoy the support of a team that values your well-being, both on and off the job!

MMC strives to ensure all job postings confirm details of the position, the rate of pay, and acknowledge that medical benefits are offered.

Get started on your career journey today! Apply to become a part of the MMC Team!

We are an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status or any other characteristic protected by law. In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification document form upon hire.