Celonis is the global leader in Process Intelligence and the pioneer of Process Mining technology. As one of the world’s fastest-growing enterprise SaaS companies, we are changemakers pushing the boundaries of what’s possible. We invest heavily in advanced AI capabilities—specifically our Process Intelligence Graph—to turn data insights into immediate business action. We believe there is a massive opportunity to unlock global productivity and sustainability by placing intelligence at the core of every business process. Join our mission to make processes work for people, companies, and the planet.
The Team:
From a finance perspective, the Billing team is critical to Celonis' growth. We act as business partners, ensuring accurate and timely invoicing of global deals to meet deadlines and optimize cash flow. The Billing Specialist will report to the Billing Team Lead.
The Role:
As a Billing Specialist, your responsibilities will include managing the team's mailbox, processing purchase orders, handling customer onboarding requests, uploading portal invoices, invoicing for both professional services and SaaS. You will collaborate with various departments such as Collection, Finance Operations, and Deal Desk to achieve shared objectives. The role requires good independent judgment to evaluate and resolve unique situations effectively.
The work you’ll do:
- Onboard clients into the billing system.
- Upload invoices to portals.
- Support daily team communications as requests for action are received in the team inbox.
- Process financial documents, invoices, and purchase orders.
- Responsible for accurate and timely invoicing and related administrative tasks.
- Generate invoices for both professional services and SaaS offerings.
- Actively collaborate with Collection, Finance Operations, and Deal Desk teams to ensure smooth processes and achieve common goals.
The qualifications you need:
- A BA/BS degree, preferably in Finance, Economics, and/or Linguistic.
- First experience in a billing, AR or similar role within finance.
- Business fluency in English as a Must-have
- Strong communications skills to deal with different internal stakeholders and in multinational teams.
- Very comfortable with numbers.
- Target driven, quick leaner and team player.
- An independent and entrepreneurial way of working.
- Located in Madrid to work one-site from the Celonis Madrid office.
What Celonis can offer you:
- Pioneer Innovation: Work with the global leader in Process Mining and the Process Intelligence Graph to shape the future of AI-driven business operations.
- Ownership from Day 1: Every full-time "Celonaut" is an owner, receiving Restricted Stock Units (RSUs) and merit-based refresh grants.
- Unrivaled Family Support: Benefit from our inclusive parental leave policy—24 weeks of fully paid leave for primary carers and 12 weeks for supporting carers, available from your first day of employment.
- Work-Life Integration: Enjoy Unlimited PTO (in applicable regions) and generous PTO globally, as well as a flexible hybrid work model that balances remote focus with vibrant office collaboration.
- Continuous Growth: Elevate your skills through our 70-20-10 learning framework, mentorship programs, and access to a dedicated learning platform.
- Holistic Well-being: Prioritize your health with subsidized Wellhub memberships, mental health counseling, and dedicated "Wellness Weeks" that prioritize work/life balance.
- Drive Sustainability: Participate in annual Impact Days, where you receive paid time off to volunteer for community and environmental causes with your local office, or virtually.
- Global Inclusion & Belonging: Find community through our Inclusion Think Tank and participate in our annual Inclusion Days, ensuring every voice is heard and valued.
- Value-Driven Impact: Join a mission-led organization where our core values—Live for Customer Value, The Best Team Wins, We Own It, and Earth Is Our Future—drive every decision.
About Us:
Celonis makes processes work — for people, companies, and the planet. Powered by process mining and AI, the Celonis Process Intelligence Platform integrates process data and business context to create a living digital twin of business operations. We enable thousands of companies worldwide to understand how their business actually runs and, together with their partners, build intelligent solutions that transform and continuously improve the way they operate — unlocking billions in value. Celonis is headquartered in Munich, Germany, and New York City, USA, with more than 20 offices worldwide.
Get familiar with the Celonis Process Intelligence Platform by watching this video.
Celonis Inclusion Statement:
At Celonis, we believe our people make us who we are and that “The Best Team Wins”. We know that the best teams are made up of people who bring different perspectives to the table. And when everyone feels included, able to speak up and knows their voice is heard - that's when creativity and innovation happen.
Your Privacy:
Any information you submit to Celonis as part of your application will be processed in accordance with Celonis’ Accessibility and Candidate Notices
By submitting this application, you confirm that you agree to the storing and processing of your personal data by Celonis as described in our Privacy Notice for the Application and Hiring Process.
Please be aware of common job offer scams, impersonators and frauds. Learn more here.
Skills Required
- BA/BS degree
- Degree in Finance, Economics, or Linguistics
- First experience in billing, accounts receivable or similar finance role
- Business fluency in English
- Strong communication skills for multinational stakeholder interaction
- Comfortable with numbers / numerical accuracy
- Target-driven, quick learner, and team player
- Independent and entrepreneurial way of working
- Located in Madrid and able to work on-site from the Celonis Madrid office
What the Team is Saying
Celonis Compensation & Benefits Highlights
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Parental & Family Support — Policies include approximately 6+ months of paid parental leave globally, with 24 weeks for main carers and 12 weeks for supporting carers, plus carer/emergency leave. Feedback suggests these provisions apply from day one and extend to adoption.
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Equity Value & Accessibility — All full‑time employees receive equity grants with refreshes and merit‑based awards, positioning ownership as a core element of total rewards. Feedback suggests equity access is broadly available across locations for eligible roles.
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Healthcare Strength — Offerings include medical, dental, and vision coverage alongside free counseling sessions and subsidized fitness programs. Feedback suggests wellbeing resources are a prominent part of the package.
Celonis Insights
What We Do
Celonis makes processes work — for people, companies, and the planet. Powered by process mining and AI, the Celonis Process Intelligence Platform integrates process data and business context to create a living digital twin of business operations. We enable thousands of companies worldwide to understand how their business actually runs and, together with their partners, build intelligent solutions that transform and continuously improve the way they operate — unlocking billions in value. Celonis is headquartered in Munich, Germany, and New York City, USA, with more than 20 offices worldwide. # Approximately half of the top 200 companies of the Forbes Global 2000 are Celonis customers. # More than 30% of the Fortune Global 500, and more than 25% of the Fortune 500 are Celonis customers. # To date, Celonis customers have realized more than $8 billion in value, and identified more than $18 billion in value. Celonis has been recognized as: # Germany’s most valuable startup and one of the most valuable in New York City # One of the world’s 50 most valuable private companies # The first German decacorn and one of only 48 in the world # The second largest unicorn in Europe
Why Work With Us
Celonis is a dynamic, fast-paced, and rewarding place to work. Proudly calling ourselves Celonauts, we are innovators and change-makers who challenge the status quo. We tackle challenges together and celebrate our successes as a team in and out of the office. Together, we’re changing the world one process at a time. Care to join us?
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Celonis Teams
Celonis Offices
Hybrid Workspace
Employees engage in a combination of remote and on-site work.
Celonis offers a hybrid work policy, blending remote work flexibility with in-office collaboration. Employees enjoy the comfort of working from home while benefiting from teamwork and connection in our modern office spaces.
