Internship – International Trade & AdministrationBarcelona | Part-time | 15–20 hours/week
Fire Assay SL is a Barcelona-based B2B company supplying consumables and equipment to laboratories and mining companies worldwide.
We are looking for a motivated student or recent graduate to support our day-to-day international administrative and commercial operations.
This is not a passive internship. You will work directly with the owner of the company and gradually take responsibility for real operational tasks involving customers, suppliers, logistics and international trade.
Main responsibilities• Follow up customer purchase orders and order confirmations
• Prepare and send invoices and commercial documentation
• Follow up outstanding invoices and payments
• Coordinate with customers, suppliers and transport companies
• Update customer and order information
• Assist with international shipping and export documentation
• Work with customer procurement platforms and administrative systems
• Support general administrative and commercial tasks
• Help improve and automate internal processes





Profile we are looking forWe are particularly interested in students of:
• International Trade / Comerç Internacional
• Administration and Finance
• Transport and Logistics
• Similar studies

You should have:
• Good command of English, ideally B2–C1 or higher
• Spanish or Catalan
• Strong organizational skills
• Attention to detail
• Reliability and a proactive attitude
• Good communication skills
• Comfortable working independently once trained

French or other languages would be a plus.
What we offer• 15–20 hours per week, with some flexibility around your studies
• Paid internship
• Direct exposure to international business and real company operations
• Experience with customers and suppliers across Europe and other international markets
• Training in logistics, invoicing, procurement platforms and B2B customer management
• High level of autonomy once you are comfortable with the role
•

📌 Internship – International Trade (España)
🏢 Fire Assay
📍 España