Billing Specialist

MMC Group LP; United States; On-site; USD 90,000 - 130,000; Full time

Job summary

MMC Group LP is seeking a Senior Billing Specialist who acts as a subject-matter expert in a SaaS and services-based revenue model. You will execute complex invoices, support ASC 606 alignment, and provide audit-ready documentation while collaborating with cross‑functional teams.

You will drive advanced billing analysis, revenue reporting, and close support, ensuring accurate billed and recognized revenue, deferred revenue management, and timely financial close in a growing SaaS environment.

Qualifications

• Bachelor's degree in Accounting, Finance, Business, or equivalent experience.
• 7+ years of experience in billing, revenue operations, or accounts receivable.
• Direct experience in a SaaS, subscription, or services-based billing environment.
• Working knowledge of ASC 606 related to billing and revenue recognition.

Responsibilities

• Prepare, review, and issue complex customer invoices in accordance with contracts and service data.
• Support billing across subscription-based, usage-based, and services revenue streams.
• Validate billing inputs including contract terms, pricing changes, and customer data.
• Ensure billing aligns with ASC 606 revenue recognition principles, including obligations and true-ups.
• Partner with Accounting to support reconciliation between billed revenue, deferred revenue, and recognized revenue.
• Assist in maintaining billing documentation and audit support related to revenue recognition.
• Provide inputs to monthly close related to billing cut-off, deferred revenue, and unbilled receivables.
• Collaborate with AR, Collections, RCS, Customer Success, and Sales Operations to resolve disputes.

Skills

Billing expertise

Revenue operations

Cross-functional collaboration

Attention to detail

Education

Bachelor's degree in Accounting, Finance, Business

Tools

Zuora

Oracle

Excel

Job description

The Senior Billing Specialist is a subject-matter expert (SME) responsible for executing and overseeing complex customer billing activities within a SaaS and services-based revenue model, ensuring billing accuracy, ASC 606 alignment, and audit-ready support.

This role goes beyond transactional billing and includes advanced billing analysis, revenue-related reporting, and cross-functional coordination to support accurate revenue recognition, deferred revenue management, and financial close.

The ideal candidate brings deep institutional knowledge, strong attention to detail, and the ability to support both operational execution and financial reporting requirements in a growing SaaS organization.

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, and customer master data.
• Ensure billing activity aligns with ASC 606 revenue recognition principles, including:
• Identification of performance obligations
• Variable consideration and true-ups
• Partner with Accounting to support reconciliation between billed revenue, deferred revenue, and recognized revenue.
• Assist in maintaining billing documentation and audit support related to revenue recognition.
• Revenue & Deferred Revenue Reporting
• Prepare and support billing-to-revenue reconciliation schedules, including:
• Deferred revenue rollforwards and waterfall reports
• Billing vs. revenue variance analysis
• Provide inputs to monthly close related to billing cut-off, deferred revenue, and unbilled receivables.
• Support FP&A with billing data for forecasting, ARR analysis, and customer-level revenue insights.
• Controls, Documentation & Audit Support
• Perform quality assurance reviews on invoices prior to issuance.
• Maintain audit-ready documentation for billing transactions and adjustments.
• Support internal and external audit requests (EY / Client) related to billing and revenue.
• Ensure adherence to documented billing SOPs and internal controls.
• Cross-Functional Collaboration
• Partner with AR, Collections, RCS, Customer Success, and Sales Operations to resolve billing disputes and inquiries.
• Support AR Manager in identifying billing-related root causes impacting collections or aging.
• Act as a trusted billing SME for cross-functional stakeholders.
• Process Improvement & Systems Enablement
• Identify opportunities to improve billing accuracy, timeliness, and automation.
• Support system enhancements and testing related to billing platforms (e.g., Zuora, Oracle).
• Assist in documenting and updating billing procedures as systems and processes evolve.

Qualifications

• Bachelor's degree in Accounting, Finance, Business, or equivalent experience.
• 7+ years of experience in billing, revenue operations, or accounts receivable.
• Direct experience in a SaaS, subscription, or services-based billing environment.
• Working knowledge of ASC 606 as it relates to billing and revenue recognition.

Preferred Qualifications

• Experience preparing or supporting deferred revenue rollforwards / waterfalls.
• Familiarity with ERP and billing systems (Oracle, Zuora, or similar).
• Experience supporting audits or revenue recognition reviews.
• Strong Excel skills and comfort with reconciliations and variance analysis.
• Billing SME: Deep understanding of billing mechanics and revenue flows.
• Detail-Oriented Analyst: Accurate, disciplined, and reliable.
• Compliance-Minded: Understands billing's role in revenue integrity and audit readiness.
• Collaborative Partner: Works effectively across Accounting, FP&A, RCS, and Customer teams.
• Continuous Improver: Identifies and supports process enhancements.

Success Metrics

• Accurate, timely issuance of invoices with minimal rework.
• Clean billing-to-revenue and deferred revenue reconciliations.
• Reduction in billing-related disputes and adjustments.
• Timely close support with no billing-related audit findings.
• Improved billing data quality for FP&A and revenue reporting.