Billing Specialist
Billing Specialist
Deutsche Windtechnik is Germany’s largest Independent Service Provider, offering a comprehensive service package for Wind Turbine Generators (WTG) from one single source.
With more than 9,000 WTGs under contract and more than 2,200 worldwide employees operating in Europe, the US and Asia, Deutsche Windtechnik sets the bar for Independent Service Provider services.
Deutsche Windtechnik came to North America and started operations here in 2018.
Headquartered in Houston, TX., it is our goal to set the standard for best-in-class levels of quality, safety, efficiency, and customer service in the US market.
About the Role
We are seeking a detail-oriented Billing Specialist to support our wind energy service operations. This role is responsible for accurate billing of service transactions, financial reporting, and coordination across operations, planning, and client-facing teams. The ideal candidate brings strong experience of ERP, a solid accounting foundation, and the ability to manage high volume, time sensitive transactional work in a fast-paced environment.
Key Responsibilities
Service Billing & Project Transaction Management
Generate accurate service invoices for scheduled maintenance, corrective work, inspections, and other service activities.
Validate billable items using work orders, technician time authorizations, planning schedules, and service documentation.
Track and monitor estimated completion dates (ECDs) to ensure timely and accurate billing.
Reconcile discrepancies between IFS data, planning software, and field reports
Produce and maintain clean, error-free billing records for proof of service
ERP & Systems Expertise
Utilize IFS as the primary ERP system for billing, reporting, and workflow management.
Support ERP implementation activities, including testing, data validation, and process improvements.
Maintain complete and audit-ready billing records within IFS.
Financial Reporting & Monitoring
Prepare routine financial reports on billing status, revenue trends, and outstanding transactions.
Support month-end close activities, including accruals and reconciliation of service-related revenue.
Monitor billing KPIs and identify areas for improvement and help prevent revenue leakage
Client Communication & Issue Resolution
Manage close-out communication with clients, ensuring all documentation and approvals are complete.
Provide clear explanations of invoices, adjustments, and service charges.
Resolve billing conflicts professionally and efficiently.
Cross-Functional Coordination
Collaborate with service coordination, planning, and operations teams to ensure accurate billing inputs.
Work closely with planners to confirm scheduled work, ECDs, and resource allocations.
Provide clerical and administrative support to the service coordination team as needed.
Follow established processes to ensure compliance with financial controls and operational standards.
Qualifications
Required
3–5 years of experience in billing service transactions, preferably in a field service, industrial, or energy environment.
Proficiency with ERP systems and experience supporting ERP implementation or upgrades.
Strong understanding of service coordination workflows and planning software.
Solid accounting background with experience in financial reporting and reconciliation.
Exceptional attention to detail and accuracy in high volume environments.
Strong communication skills with the ability to resolve conflicts and work cross functionally.
Strong Excel skills incl. Vlookup, pivot tables, data cleanup
Analytical & problem-solving skills
Preferred
Experience in the wind energy, renewable energy, or utilities sector.
Familiarity with scheduling or planning tools used in field service operations.
Clerical or administrative support experience.
What We Offer
Competitive compensation and benefits
Opportunities for growth within a rapidly expanding renewable energy organization
A collaborative environment focused on operational excellence and customer satisfaction.