Senior Billing Manager (m/w/d)

The Senior Billing Manager owns IP Innovative Power Gmb H’s end-to-end billing function across electricity, heating and cooling, photovoltaic and tenant electricity models, PPAs, charging infrastructure, metering and related energy services.

The role ensures accurate, complete, timely and compliant invoicing while building scalable processes, reliable data and transparent reporting.

It combines operational leadership, energy-sector billing expertise, system and master-data governance, and close cooperation with Finance, Operations, Legal, Sales, Metering, Project Management and external partners.

Key Responsibilities

• Own the Billing Process which includes: Preparation, verification, invoice issuing, recording of all outgoing invoices (e. g.
• Heat, Electricity, Photovoltaic (PV) and other services
• Timely issuing of all outgoing invoices according to the specific requirements
• Coordinate and follow-up on outsourced billing process (Gas, Electricity)
• Ensure correct application of prices, tariffs, indexation, fixed charges, taxes, levies, metering costs and contractual adjustments, and accurate allocation of volumes and costs across properties, customers, tenants and contractual parties.
• Ensure billing is based on complete and validated contract, customer, property, meter, tariff, price and consumption data; establish controls against missing, duplicatedor incorrect invoices.
• Translate billing-relevant contract terms into system parameters and coordinate new contracts, amendments, tariff changes, ownership changes and customer onboarding, supported by a structured cross-functional handover process.
• Maintain a central overview of contract start dates, contract terms, price adjustments, notice periods and other relevant milestones; proactively resolve missing or contradictory information.
• (for me this is the part of operations)Work with Finance and Accounting to reconcile billing systems, accounting records, bank payments and customer accounts; support receivables management, disputed invoice resolution and month-, quarter- and year-end closing.
• Develop the Billing Department by defining responsibilities, workflows, service levels and performance expectations; allocate workload, provide technical guidance and reduce dependency on individuals or external providers.
• Optimise end-to-end billing processes through SOPs, checklists, exception reporting, automation and system integration across billing, CRM, ERP, metering and accounting platforms.
• Establish and monitor KPIs such as on-time invoicing, unbilled revenue, billing backlog, error and correction rates, missing meter data, disputes, receivables and onboarding lead time; provide transparent management reporting and revenue forecasts.
• Ensure compliance with contractual requirements and applicable German energy, tax, invoicing, metering, VAT, energy tax, levy and e-invoicing rules; maintain audit-ready documentation and appropriate approval and segregation-of-duties controls.
• Act as the central contact for complex billing topics and communicate clearly with internal stakeholders, customers, property managers, network operators, metering providers, advisers and software partners.
• Required Qualifications
• Degree or relevant professional qualification in business administration, finance, accounting, energy management, economics or a comparable field.
• Several years of experience in billing, energy operations, accounting, revenue operations or a related function, including recurring and consumption-based billing.
• Strong knowledge of contract-based billing, master-data management, billing or ERP systems and large data sets.
• Excellent numerical, analytical, organisational and problem-solving skills, with high accuracy and the ability to manage deadlines, escalations and incomplete information.
• Experience in German Business environment
• Fluent German and strong professional English.
• Preferred Experience
• Experience with ERP systems (e. g. SAP, Microsoft Dynamics 365, Odoo)
• Eperience with external billing solutions ( (e. g. QBilling, Solarize or outsourced solutions).
• Experience with process automation, system interfaces, Power BI or Power Automate, audits, closing processes, revenue reconciliation and structured e-invoicing formats.
• Ownership and accountability
• Leadership and team development
• Process orientation
• Commercial understanding
• Analytical thinking
• Accuracy and quality focus
• Prioritisation
• Clear communication
• Cross-functional collaboration
• Continuous improvement
• Success Measures
• All billable services are invoiced completely and on time, while billing errors, correction volumes, unbilled revenue and backlogs are materially reduced and controlled.
• Contractual and meter data are correctly reflected in billing systems, responsibilities and workflows are clearly defined, and management receives dependable billing , revenue and open receivable reporting.
• Billing processes scale with company growth, knowledge is documented and institutionalised, and customer disputes are resolved quickly and professionally with clear supporting documentation.

What We Offer

A senior operational role with direct influence on financial performance and the opportunity to build a central billing function.

The position offers close cooperation with senior management, exposure to innovative electricity, heating, photovoltaic and tenant electricity projects, an international working environment and significant scope to improve systems, processes and organisational structures.

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