Collections Controller (M/F/D) - International Intermediary Business (B2p)

About the Role

Are you a results-driven Collections and Accounts Receivable professional who thrives on resolving complex financial matters while building strong international partnerships? Do you combine commercial acumen with analytical rigor to optimize cash flow and drive business performance? Join SIXT as our new Collections Controller within our International Intermediary Business (B2P) team in Lisbon!

In this strategic role, you'll be the trusted point of contact for our global intermediary partners across multiple markets, taking full ownership of collections, dispute resolution, and special billing processes. You'll work at the intersection of finance, operations, and commercial strategy – ensuring financial transparency, protecting revenue, and contributing directly to the success of one of the world's leading mobility providers. You'll report directly to our Senior Executive Manager Controlling for B2P.

Your Role at SIXT

• Own the collections process for our international intermediary partners, proactively resolving past-due accounts through structured analysis, negotiation, and collaboration with receivables management, customer service, and commercial teams across regions.
• Monitor and drive performance by tracking collection KPIs, identifying trends and risks, and providing timely, data-driven reporting to senior management and key stakeholders.
• Manage complex billing processes, including partner incentive calculations, bonus settlements, and special billing arrangements, ensuring accuracy and timeliness.
• Ensure data integrity across all receivables and billing workflows, investigating discrepancies, identifying root causes, and implementing preventive measures to enhance process quality.
• Build strategic relationships with internal teams and external business partners, acting as a trusted advisor and fostering collaborative, win-win solutions in challenging situations.

Your Skills Matter

Experience

You bring a background in Accounts Receivable, Collections, Credit Control, or Receivables Management – international, B2B, or multi-entity exposure is a strong plus, but we welcome applicants at all career stages who bring the right analytical mindset and drive.

Excel Proficiency

You have strong Excel skills, including advanced formulas, pivot tables, power pivots, and data manipulation for analysis and reporting.

Problem-Solving

You approach challenges with a solution-oriented mindset, tenacity, strong negotiation skills, and the ability to handle difficult conversations professionally and diplomatically.

Organization

You are highly organized and structured, thriving in fast-paced, agile environments with shifting priorities and tight deadlines.

Languages

You are fluent in English (mandatory); additional languages (namely German or French) are a strong plus.

Systems & Tools

You are familiar with ERP systems (SAP experience is advantageous), and any previous experience in the car rental, mobility, travel, or tourism industry, basic SQL knowledge, or exposure to AI/automation tools is a strong plus.

What We Offer

The SIXT Lisbon Experience

Two of Lisbon's most exciting hubs — Factory Lisboa in Beato and ARTs Lisboa in Parque das Nações — are where you'll find your new home base. Expect a fast-paced, international atmosphere where ideas flow freely, people genuinely look out for each other, and no two days feel quite the same.

Community & International Environment

Join a truly global workplace with colleagues from many nationalities. Regular team events, community activities, and inspiring talks with internal and external speakers make our Lisbon hubs more than just an office.

Flexibility & Modern Work Setup

Benefit from a hybrid working model with two office days per week and flexible working hours. Our modern offices are designed for collaboration while allowing you the flexibility to work in the way that suits you best.

AI at Your Fingertips

From day one, you'll have access to Claude by Anthropic and SIXTgpt, SIXT's own AI platform, to supercharge your work. We invest in every team member's AI journey: encouraging experimentation, building knowledge, and making sure you're ahead of the curve.

Time Off & Wellbeing

Enjoy 28 vacation days per year, an additional day off on your birthday, one volunteer day annually, and private health insurance that also covers your spouse and children free of charge.

Everyday Benefits

Receive a yearly Coverflex allowance and a daily meal allowance to make life a little easier every day.

Employee Perks

Get exclusive rates on all SIXT services, with special discounts extended to your family and friends. Because great perks are even better when you can share them.

About Us

We are a globally leading mobility service provider with a revenue of €4.3 billion and around 9,000 employees worldwide. Our mobility platform ONE combines our products SIXT rent (car rental), SIXT share (car sharing), SIXT ride (taxi, ride, and chauffeur services), and SIXT+ (car subscription), giving our customers access to our fleet of 360,000 vehicles, the services of 4,000 cooperation partners, and around 5 million drivers worldwide. Together with our franchise partners, we are present in more than 100 countries at 2,000 rental stations. At SIXT, top-tier customer experience and outstanding customer service are our highest priorities. We believe in true entrepreneurship and long-term stability and align our corporate strategy with foresight. Get started with us and apply now!