We are looking for an EGNOS Ground System Officer who will be in charge of conducting and managing activities related to the maintenance and evolutions of the European GNSS Ground System. The job holder will be responsible of managing subcontracted activities with the industry and will interface with diverse programme stakeholders (industry, operators, European Agencies and institutions). The job holder will have the following main tasks and responsibilities: - Ensure the EGNOS System Maintenance implementation and industrial contract management, including hardware & software, Service Level Agreements and operational interface between the operators and industries; - Coordinate evolutions activities of EGNOS Ground System in operation from procurement to deployment, relying on the EUSPA matrix organization; - Coordinate implementation of EGNOS Security Monitoring capabilities and of security risks treatment plans, relying on the EUSPA matrix organization; - Liaise with the departments of Administration, to ensure the execution of related corporate tasks, such as planning, reporting, administration, legal & procurement processes, financial & budget management, risk management.