As the Extremely Large Telescope (ELT) project progresses towards the Assembly, Integration and Verification (AIV) phase, an increasing number of technical activities will take place at Cerro Armazones and Paranal Observatory, involving international project teams, contractors and different ESO departments. We are looking for an AIV Project Assistant to provide administrative and organisational support to the AIV Manager and the AIV team. The successful candidate will play an important role in supporting the coordination of daily activities, meetings, travel arrangements, documentation and administrative processes, contributing to the smooth operation of the team during this important phase of the ELT project.

This includes the preparation and follow-up of meetings, coordination of visits and missions, travel and accommodation arrangements, management of correspondence, follow-up of actions, administrative support for procurement and contractual processes, and coordination with internal and external stakeholders.

Main Duties and Responsibilities

- Provide administrative and organisational support to the AIV Manager and the AIV team.
- Organise and coordination of meetings, including the preparation of agendas, meeting material, minutes and follow-up action.
- Coordinate visits, missions,



travel, accommodation and other logistical arrangements for AIV staff, contractors and visiting project teams.
- Prepare and follow-up of correspondence, presentations, reports and other AIV documentation.
- Provide administrative support for procurement, contractual and financial processes in coordination with the relevant ESO departments.
- Maintain and organise AIV administrative records, contact lists, calendars and shared information.
- Follow-up on administrative actions and facilitate coordination with other ESO departments and external parties.
- Support onboarding, team events, training activities and other organisational matters related to the AIV team.

The successful candidate must have a technical qualification in Administration, Business Administration, or a related field, or equivalent combination of education and relevant professional experience. The initial contract is for a two-year fixed term subject to medical clearance and successful completion of the probation period. The title or grade may be subject to change according to qualification and the number of years of experience.

Closing date for applications is 8 December 2026

📌 AIV Project Assistant (Antofagasta)
🏢 European Southern Observatory
📍 Antofagasta