Finance Administrator

Your mission You will join Kreios Space’s Finance team, working closely with the Finance Manager to keep the company’s day-to-day financial and accounting operations running smoothly. You will support payments, accounting records, reconciliations and reporting, while helping maintain accurate and well-organised financial information as the company grows. You will also support the financial management of publicly funded R&D projects, including the tracking and justification of project costs and the preparation of supporting documentation. Own day-to-day finance operations : Support invoice management, expenses, payments, bank reconciliations and accounting documentation. Support closing and reporting :Work with the Finance Manager on reconciliations, cash monitoring, month-end activities and preparation of financial information. Support public funding and R&D projects :Track eligible costs, personnel expenses, invoices and supporting documentation for project reporting and audits. Keep financial information accurate : Ensure records and supporting documents are complete, traceable and properly maintained. Work across the company : Coordinate with People, Procurement, Operations and technical teams to collect information and resolve discrepancies. Improve how Finance works : Help implement and improve financial processes, controls and tools as Kreios scales.- Your profile Degree or vocational qualification in Finance, Accounting, Business Administration, Economics or a related field. Around 2-3 years of experience in finance, accounting or financial administration. Good understanding of basic accounting principles and day-to-day financial processes. Experience with invoices, payments, bank reconciliations, expenses and accounting documentation. Strong Excel skills and confidence working with financial data. Good organisational skills, attention to detail and a proactive, resourceful mindset. Comfortable working in both Spanish and English. Able to identify issues, ask the right questions and follow tasks through to resolution in a fast-moving environment. Nice to have Previous experience in a startup, technology or engineering company. Exposure to public funding, grants or R&D project financial justification. Experience supporting month-end closing or management reporting. Experience with ERP or accounting software and familiarity with Spanish accounting and tax processes. Interest in developing a broader career in Finance within a growing international company. We are looking for someone curious, reliable and sharp: someone who understands what they are doing, spots inconsistencies and is ready to take on more responsibility as the Finance function grow. Why us? Be part of a fast-growing NewSpace company where your work will directly support the financial operations behind cutting-edge aerospace innovation. You will gain exposure to a wide range of finance activities, from accounting and reporting to the financial management…