Company Description:

Aistech Space is focused on generating affordable, recurrent, high resolution thermal imagery of the planet to provide a new perspective of Earth’s changing resources. The company is based in Barcelona and aims to revolutionize remote sensing for environmental monitoring and resource management.

Our vision is focused on a key sentence: “See the Unseen, protect what matters most on Earth”

What you will do:

Aistech Space is looking for a Purchasing and Accounting Assistant to join our Accounting and Finance Department at our headquarters in Sant Cugat. This strategic, dual-focused role acts as a vital bridge between our Purchasing, Accounting, and Program Management teams.

You will be responsible for managing the complete administrative procurement cycle—ensuring strict alignment with project payment windows and cost accounting—while also serving as the primary backup for our main accountant, guaranteeing seamless business continuity and accounting precision across general and analytical accounts.

You will directly interface with suppliers,



Program Managers, and financial management to streamline invoicing, international logistics, customs clearance, and cost allocation. Additionally, you will support month-end accounting closings and ensure that administrative workflows strictly adhere to internal standards and financial controls.

The daily tasks to be achieved in this position are:

• Manage and update the internal purchasing module, processing purchase orders and tracking material and service receptions.
• Perform comprehensive 3-way matching (Purchase Order + Delivery Note + Invoice) to ensure invoice accuracy and resolve discrepancies.
• Oversee international shipping administration, managing customs documentation (DUAs) and applying appropriate Incoterms (EXW, FOB, DDP, etc.).
• Act as the primary liaison with Program Management to strictly schedule and meet project payment windows, ensuring proper cost feeding into project analytical

📌 Purchasing and Accounting Assistant (Barcelona)
🏢 Aistech Space
📍 Barcelona