Your Main Responsibilities

We are looking for a reliable and structured AccountingAssistant to support our finance and office operations. The role focuses primarily on invoice handling and bookkeeping support, with additional administrative assistance for the whole ISPTech team.
This is an on-site position with a workload of approximately 20 hours per week.

• Sort, organise prepare incoming and outgoing invoices and support basic follow-ups
• Support bookkeeping processes in collaboration with external tax advisors
• Track payment statuses and support basic follow-ups
• Manage incoming mail and deliveries and execute payments
• support the team with administrative tasks, such as general office organisation and document management, booking of business trips, organisation of events and similar.

Your Qualification

• Structured, reliable, and detail-oriented way of working
• Previous experience in administrative or finance support, bookkeeping or accounting education in Germany (e.g. Ausbildung) is a strong plus
• Comfortable handling sensitive financial data with discretion
• Good organisational and communication skills
• Fluent in German; good English skills

Our Benefits

• An exciting work environment encompassing the whole process from the development, building, and launch of space propulsion systems
• Primarily on-site, with occasional remote days after onboarding
• Flexible working hours within a part-time setup (15–20h/week)
• Professional skills development through a broad base of responsibilities and freedom
• Engage directly and actively participate in the end-to-end development processes of an expanding NewSpace start-up