Manager, Customer Billing Collections (AR) and Credit

Opal Fuels•City of White Plains, NY

2d•$115,000 - $125,000•Hybrid

About The Position

We are hiring a Manager, Customer Billing Collections and Credit with at least 8 years of experience with billing, accounts receivable, and customer management in a high-volume, contract-driven environment. This position reports to the Business Controller and is in our White Plains, New York headquarters. The Manager, Customer Billing Collections and Credit will create and lead Opal Fuels’ centralized Customer Billing and Management function within the Chief Accounting Officer organization. This role oversees end-to-end customer invoicing and billing support to ensure accuracy, on-time issuance, strong internal controls, and high-quality customer experience. This customer manager standardizes billing practices across renewable power, environmental/energy credits, fuel services, and construction billing; owns customer master data governance and dispute resolution; and partners cross-functionally with Commercial/Sales, Operations, Legal and Accounting to translate contract terms into correct, auditable billing and collection execution.

Requirements

Bachelor’s degree in Accounting, Finance, Business Administration (or equivalent experience).
Minimum 8 years of progressive experience in in billing, accounts receivable, and customer management in a high-volume, contract-driven environment. including 4+ years in a supervisory or management role; prior experience in a publicly traded company strongly preferred.
Strong proficiency with NetSuite billing/AR workflows and Microsoft Office (advanced Excel preferred).
Excellent communication, stakeholder management, and problem-solving skills.
Ensures high accuracy in financial documentation and maintains auditable support for billing adjustments.
Ability to resolve complex customer billing issues and drive root-cause prevention across teams.
Experience leading a team to meet or exceed operational objectives, control requirements, and business support initiatives.
Comfortable working in a fast-paced, growing company

Responsibilities

Own end-to-end invoicing against contractual terms; implement standard work, cutoffs, and review controls to ensure complete, accurate, and timely billing.
Standardize and consolidate billing processes across renewable power, environmental/energy credits, fuel services, and construction billing; ensure consistent invoice formats, supporting documentation, and customer communications.
Establish and maintain customer records (bill-to/ship-to, invoice delivery preferences, taxability/exemptions, PO requirements, pricing/rate setups) in coordination with Accounting and Commercial stakeholders.
Serve as escalation point for complex billing disputes; drive root-cause identification and corrective actions with Operations and Commercial teams; ensure proper documentation for adjustments and credit memos.
Hire, train, and coach billing and customer management staff; establish service levels and coverage models to support the business.
Partner with Accounting/Finance leadership to support installation and improve NetSuite billing and AR workflows, reporting, and automation; maintain documented procedures and control evidence.
Produce and analyze weekly/monthly metrics (invoice accuracy, cycle time, dispute aging/backlog, unapplied cash trends) and communicate performance and risks to the Business Controller.
Coordinate with AR/Collections on customer payment issues and dispute holds; support credit onboarding workflows (credit applications, due diligence, account “do business” requirements) per company policy.