Book keeper

Book keeper Aim high, go beyond! At Open Cosmos we are solving the world’s biggest challenges from space, providing businesses, governments and researchers access to more readily available information than ever before - ready for the challenge? Then read on… Working in our Finance Team Our Finance Team keeps Open Cosmos financially strong as we scale. From day-to-day bookkeeping and payments to reporting, compliance, and strategic insights, the team ensures we stay efficient, accurate, and ready to deliver on our mission. It’s a hands-on, detail-focused group that keeps the business running smoothly while supporting ambitious growth. What will you be doing? Manage the end-to-end Accounts Payable process, ensuring supplier invoices are received, verified, coded and recorded accurately Prepare and process supplier payment runs Reconcile supplier statements, bank accounts and other balance sheet accounts, investigating and resolving discrepancies promptly Record daily financial transactions maintaining accurate accounting records Support the monthly financial close through the preparation of reconciliations, journals and supporting documentation Process employee travel and expense claims Maintain organised and accurate accounting records in line with internal controls, company policies and audit requirements Build effective working relationships with suppliers and internal stakeholders to resolve invoice, payment and account queries Support internal and external audit activities Contribute to the continuous improvement of financial processes What You’ll bring Knowledge of bookkeeping principles, Accounts Payable processes and the accounting cycle Knowledge of financial reconciliations, invoice processing and payment procedures Ability to maintain accurate financial records with excellent attention to detail Strong organisational skills with the ability to manage multiple priorities and meet deadlines Intermediate to advanced Microsoft Excel skills Knowledge of accounting or ERP systems such as Xero, NetSuite, SAP or similar financial software Ability to communicate effectively with colleagues, suppliers and external stakeholders Comfortable working within established financial controls, policies and accounting standards Proactive approach to identifying opportunities to improve financial processes and operational efficiency This role is based in our locations in either Porto, Portugal or in Barcelona, Spain. To apply, you must have the legal right to work in your chosen location. Please submit your application and CV in English. Why Open Cosmos? Work at the cutting edge of space technology with customers around the globe A mission-driven company making space accessible to help solve real-world challenges A diverse, ambitious, and supportive team Equal opportunity employer At Open Cosmos, we are dedicated to fostering a workplace built on respect, dignity, and belonging. As an equal opportunity employer, we actively challenge bias to ensure every candidate and employee feels truly welcome. We celebrate diversity in all its forms and are committed to maintaining an inclusive environment where everyone has the opportunity to thrive. Division FINANCE Department FINANCE Role Bookkeeper Locations Barcelona, Spain, Porto, Portugal Remote status Hybrid Employment type Full-time About Open Cosmos Open Cosmos is dedicated to solving Earth's critical challenges using actionable data and connectivity from space. The company offers a complete, end-to-end service for satellite missions, from design and manufacturing to launch and operations, simplifying access to orbit. A key initiative is the Open Constellation, a mutualised satellite infrastructure that allows organisations to access vital information. This collaborative model makes space simple, affordable, and scalable, enabling partners to share data and assets for wider global coverage and more frequent insights. By empowering clients in Earth observation, IoT connectivity, and secure communications, Open Cosmos is building a better future powered by space technology to understand and connect the world.