Customer Billing & Invoice Operations Specialist

Company Description

Ranked as Hungary’s most attractive employer in 2025 (according to Randstad’s representative survey), Deutsche Telekom IT Solutions is a subsidiary of the Deutsche Telekom Group. The company provides a wide portfolio of IT and telecommunications services with more than 5300 employees. We have hundreds of large customers, corporations in Germany and in other European countries.

DT-ITS recieved the Best in Educational Cooperation award from HIPA in 2019, acknowledged as the the Most Ethical Multinational Company in 2019. The company continuously develops its four sites in Budapest, Debrecen, Pécs and Szeged and is looking for skilled IT professionals to join its team.

Job Description

Your Department 

We run T Cloud Public! 

T Cloud Public is a public cloud standard product based on open-source community software and driven by DevSecOps principles. Lean structures, agile methods, highly motivated teams, and an extremely dynamic business environment define the way we work. With our customer-oriented and agile mindset, we are the anchor point for the Public Cloud business within the Deutsche Telekom Group. 

As a Senior Customer Billing & Invoice Operations Specialist, you will ensure smooth and accurate billing, financial, and commercial processes across the cloud customer lifecycle.

You will act as a key interface between customers, Sales, Finance, Delivery, Operations, Partner Management, and other internal teams.

Your main responsibilities will include:

• Managing Order-to-Cash and billing activities for cloud products and services
• Ensuring accurate and timely invoicing in line with contracts, consumption data, and internal policies
• Reviewing invoice quality, identifying discrepancies, and coordinating corrections
• Supporting customer and partner onboarding into billing and operational processes
• Providing commercial and financial guidance to Sales and Bid teams
• Supporting pricing, billing models, deal structures, and financial evaluations
• Ensuring compliance with TSI governance and financial steering requirements
• Driving process improvements, standardization, transparency, and audit readiness
• Supporting revenue assurance, profitability, and financial performance management

Qualifications

• Degree in Business Administration, Business Informatics, Finance, or a comparable qualification
• Several years of experience in billing, financial operations, invoice management, commercial operations, or cloud business management
• Strong understanding of Order-to-Cash processes and financial governance
• Experience with cloud business models, consumption-based billing, and partner environments
• Good understanding of IaaS, PaaS, SaaS and hyperscaler ecosystems such as AWS, Microsoft Azure, or Google Cloud
• Experience working across Sales, Finance, Delivery, Operations, and Partner organizations
• Strong knowledge of TSI processes and governance, ideally including AGP, SalSa, PSP Setup, TSI Delivery Model, Offering Elements, and Financial Steering
• Strong analytical, problem-solving, and stakeholder management skills
• Independent, structured, and solution-oriented way of working
• German and English at C1 level

Additional Information

What We Offer

• Unique insights into the operation of a large-scale public cloud
• International and intercultural collaboration
• Flat hierarchies and fast decision-making
• A high level of ownership and independence
• The opportunity to shape commercial processes and governance in a dynamic cloud environment

* Please be informed that our remote working possibility is only available within Hungary due to European taxation regulation.