Senior Billing Specialist, NATO Services
Houston, TX (Hybrid)
World Fuel is seeking a detail-oriented and highly organized Senior Billing Specialist to support billing operations for a strategic international customer under the NATO Support and Procurement Agency (NSPA) services program. This role serves as the primary billing subject matter expert, managing complex customer invoicing processes, validating supporting documentation, resolving billing discrepancies, and ensuring timely and accurate invoicing across global transactions.
This is an excellent opportunity for a billing professional who thrives in a fast-paced environment, enjoys solving complex challenges, and takes pride in delivering exceptional service to internal and external stakeholders.
What You'll DoManage End-to-End Billing Operations
- Serve as the primary billing specialist supporting NSPA services transactions.
- Prepare, review, and process invoices in accordance with customer and contractual requirements.
- Validate billing information before invoice generation and submission.
- Ensure invoices are accurately processed and submitted on schedule.
- Support timely customer billing, accounts receivable accuracy, and merchant payment processing.
- Create complete customer invoice packages for submission.
- Review and validate supporting documentation, approvals, and required signatures.
- Coordinate with internal stakeholders to obtain missing information.
- Ensure delivery tickets and supporting records are properly matched to invoices.
- Conduct quality reviews of billing packages prior to customer submission.
- Manage customer-specific invoice templates and billing files.
- Prepare and organize billing documentation according to customer requirements.
- Ensure invoice packages comply with established submission guidelines and formats.
- Support recurring billing cycles and reporting requirements.
- Apply approved pricing structures and billing rules.
- Review invoices for accuracy and compliance with contract requirements.
- Support location-specific and customer-specific billing configurations.
- Coordinate with commercial, finance, and operations teams to resolve pricing discrepancies and billing exceptions.
- Investigate invoice issues and identify root causes.
- Process billing corrections, credits, and rebills as necessary.
- Maintain documentation supporting all billing adjustments.
- Ensure billing records remain accurate and audit-ready.
- Research billing disputes and invoice inquiries.
- Partner with internal stakeholders to resolve customer concerns.
- Track open issues through completion.
- Implement corrective actions and billing adjustments when required.
- Perform detailed pre-submission reviews of invoices and supporting documentation.
- Identify and address potential issues before customer submission.
- Maintain strong process controls and documentation standards.
- Help reduce billing errors, disputes, delays, and rework.
- Escalate significant billing issues when appropriate.
What We're Looking ForRequired Qualifications
- 3+ years of experience in billing, accounts receivable, finance operations, contract administration, or related areas.
- Experience managing complex customer invoicing and billing processes.
- Strong proficiency in Microsoft Excel, including data validation, formulas, and reporting.
- Exceptional attention to detail and accuracy.
- Strong analytical and problem-solving skills.
- Ability to manage multiple priorities and meet deadlines in a fast-paced environment.
- Excellent written and verbal communication skills.
- Experience supporting contract-based or government-related billing environments.
- Knowledge of accounts receivable and billing controls.
- Experience managing credits, rebills, and dispute resolution processes.
- Familiarity with ERP or financial systems such as SAP, Oracle, Workday, or similar platforms.
- Experience supporting international customers or global billing operations.
Why Join Us?
At World Fuel, you'll be part of a global organization supporting critical aviation and business operations around the world. This role offers the opportunity to own a highly visible billing function, collaborate across global teams, and make a direct impact on the success of a strategic customer relationship.
#WFS
World Fuel is an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected veteran status, age, or any other characteristic protected by law.World Fuel Services, Inc.
Skills Required
- 3+ years of experience in billing, accounts receivable, finance operations, contract administration, or related areas
- Experience managing complex customer invoicing and billing processes
- Strong proficiency in Microsoft Excel, including data validation, formulas, and reporting
- Exceptional attention to detail and accuracy
- Strong analytical and problem-solving skills
- Ability to manage multiple priorities and meet deadlines in a fast-paced environment
- Excellent written and verbal communication skills
- Experience supporting contract-based or government-related billing environments
- Knowledge of accounts receivable and billing controls
- Experience managing credits, rebills, and dispute resolution processes
- Familiarity with ERP or financial systems such as SAP, Oracle, Workday, or similar platforms
- Experience supporting international customers or global billing operations
What We Do
Headquartered in Miami, Florida, World Kinect Corporation (NYSE: WKC) is a leading global energy management company, offering a broad suite of solutions across the energy product spectrum. In addition to our core energy and fuel offerings to customers in the transportation sector, we provide advisory services, sustainability and renewable energy solutions, as well as supply fulfillment for natural gas and power. We continue to focus on advancing the energy transition to lower carbon alternatives through expanding our portfolio of energy solutions and providing customers with greater access to sustainably sourced energy. For more information, visit https://corp.worldkinect.com.
