Junior Financial Administrator

Introduction

For more than half a century, Serco has walked alongside the pioneers of space. Serco has supported over 50 ESA missions where our teams have helped launch satellites, guide spacecraft across the void and turn data into discoveries that reshape our world.
With thousands of specialists contributing across the entire space lifecycle, from engineering support and satellite testing to launch services, LEOP, operations and surveillance, we have become a trusted force in national and European space strategies. And now, the next chapter could include you.

On behalf of our team in the Netherlands, we are looking for a Junior Financial Administrator to support the European Space Agency at ESTEC.

The Community You’ll Step Into

At Serco, you will join an experienced on-site team supporting the European Space Agency at ESTEC in Noordwijk. Within ESA’s Financial Operations Section, the focus is on supporting ESA staff throughout their business travel and financial administration journeys, working closely with internal stakeholders and external partners such as travel agencies, car rental providers, auditors and IT support teams.
You will be part of an international and collaborative environment where accuracy, service quality, and reliability are essential. The role offers daily interaction with ESA colleagues and systems, providing a strong foundation for developing your career within a structured and professional space organisation.

The Difference You Will Make

As a Junior Financial Administrator, you will play an important role in ensuring that financial and travel-related processes run smoothly and in line with ESA rules and procedures. Your work will directly support ESA staff by ensuring that travel claims, invoices and settlements are processed accurately and on time.

By maintaining high standards of data quality, supporting reconciliations, and contributing to reporting activities, you will help ensure transparency, compliance, and efficiency across financial operations. Your contribution will support the reliability of ESA’s financial processes and the positive experience of staff using these services.

What You’ll Do

In this role, you will support the certification and calculation of individual travel claims, checking supporting vouchers and invoices and applying the relevant agency rules. You will calculate business trip settlements and enter the corresponding data into ESA systems, ensuring accuracy and completeness.

You will receive and process invoices from travel agents and car hire providers, reconcile corporate credit card transactions, and support the correction of ticket discrepancies and error logs. You will also upload invoices and credit notes into SAP, assist with resolving SAP posting errors, and contribute to payment list checks and execution.
In addition, you will support the creation of statistics and reports, maintain proper filing of financial documentation, and assist with ad-hoc tasks as requested by the Team Manager, contributing to the smooth day-to-day operation of the service.

What You'll Bring

• Vocational degree (MBO) or equivalent qualification
• Minimum 2 years of relevant experience in Travel & Expense processing, Accounts Payable is an asset.
• Strong hands-on experience with travel expense claims and settlement processes
• Experience using SAP (ECC module preferred) and SAP ConcurSolid understanding of financial accounting principles
• Proficiency in Microsoft Office and financial systems
• Ability to manage high workloads, prioritize tasks, and work independently.
• Resourceful and good conflict management skills.
• Strong communication skills with fluency in English (French is an asset).
• Must be EU National 

What We Offer: More Than Just a Job

At Serco, we believe that a career should come with more than just a paycheck, it should provide support, security, and a sense of balance in your life. Your salary will be paid promptly on Fridays before the 28th of each month, giving you peace of mind about your finances. To recognize your dedication over the year, you’ll also receive a Holiday Bonus, calculated as 8% of your basic gross salary, adding an extra boost when you need it most.

We support your daily life and commute in practical ways. If you travel to work, you can claim a travel allowance of €0.21 per kilometre for up to 150 km, or you can have your public transport fully reimbursed. For those working from home, there’s a small daily allowance of €2 to cover extra costs, and new employees can be reimbursed up to €500 for a desk or chair to make their home workspace comfortable.
When your work takes you on missions or travel, all business-related expenses are fully covered, and for peace of mind during tax season, our appointed advisor will assist you in completing your income tax forms. If you enjoy cycling, our bicycle scheme allows you to benefit from a tax-efficient allowance of up to €749, one year of full insurance with an additional €89 per year for accessories.

Serco also cares about your long-term security. All employees are covered under a collective life insurance scheme, and our health insurance partnership with Zilverenkruis Achmea offers discounts of 5% on basic coverage and up to 10% on additional plans. Our company pension scheme, managed via Nationale Nederlanden, follows the Dutch State Pension framework, ensuring you can plan confidently for the future.

In addition, in emergency situations, you may request an advance salary payment of up to one month’s net salary at the discretion of your line manager. To support your wellbeing and daily work, we offer up to €250 reimbursement for work glasses to reduce blue light strain and provide access to Benefits & Work, offering multiple discounts for online shopping. For lifelong learning, all employees receive a 35% discount on programs at Webster University.

At Serco, our benefits are designed to make your life easier, healthier, and more flexible, so you can focus on contributing to groundbreaking space missions while feeling supported every step of the way.

Relocation

The Netherlands' central location in Europe makes it an ideal base for travel and business within the EU. Major cities are well-connected by road, rail, and air with Amsterdam Schiphol Airport one of Europe's busiest and most well-connected airports, facilitating easy international travel.

Serco offers relocation support for all EU passport holders that are planning to relocate to the Netherlands and work for Serco B.V.