Are you a System Administrator or IT Specialist looking for an opportunity to work on one of Europe’s key space programmes?

Would you like to contribute to the maintenance and operation of the Galileo Ground Segment in an international and mission-critical environment?

We are looking for a Galileo Ground Segment Maintenance & System Administrator to join our team in Madrid and support the daily operations, maintenance, and continuous improvement of the infrastructure supporting the Galileo programme.

You will work closely with the project team and multiple stakeholders, supporting operational activities, anomaly management, software releases, configuration management, and on-site test campaigns.

ABOUT US

ESYEN is an engineering company offering services to the Space Industry, working with major international Customers and Agencies such as EUSPA and ESA. Since 2012, we have played an active role in major European Space Programmes, including Earth Observation, Navigation and Secure Satcom.

Our team has a solid track record in providing Ground Segment services across major European Space Programmes. ESYEN operates in Italy, Germany, France and Spain, with a strong commitment to innovation and quality of service.

WHAT WE LOOK FOR

✅ Education & Experience

Degree in Systems Engineering, Cybersecurity Engineering, IT Infrastructure , or a related technical field is preferred.

Minimum 1–2 years of professional experience in one or more of the following areas:

- System Administration
- IT Maintenance
- Software Maintenance / Help Desk Services
- IT Infrastructure Support
- Network Support

Previous experience in the space sector , and particularly with Galileo , will be considered an advantage. ✅ Technical Skills

- Basic knowledge of Linux and Windows operating systems
- Basic knowledge of networking concepts




- Experience with IT infrastructure maintenance
- Experience in software installation and maintenance
- Knowledge of virtualisation technologies is considered an advantage
- Ability to troubleshoot and investigate technical and operational issues
- Familiarity with configuration and maintenance procedures

✅ Soft Skills

- Proactive and structured approach to problem solving
- Ability to work effectively in a team and in an operational environment
- Good communication and coordination skills
- Ability to interact with customers and multiple project stakeholders
- Strong attention to detail and commitment to following established procedures
- Fluent English , both written and spoken
- French is considered an advantage
- Willingness to work in an on-site environment

Eligibility for security clearance is required.

WHAT YOU WILL DO

As a Galileo Ground Segment Maintenance & System Administrator , you will support the daily operation and maintenance of the Galileo Ground Segment, ensuring compliance with established configuration management, maintenance, and operational procedures.

? Operations & Maintenance

- Provide daily technical support to project operations
- Ensure compliance with established configuration management, maintenance, and operational procedures
- Support the identification, investigation and mitigation of operational problems
- Monitor and follow up on anomalies, maintenance activities, and corrective and preventive actions





? Anomaly & Incident Management

- Support on-site coordination activities aimed at identifying and resolving operational issues
- Participate in Anomaly Review Boards (ARBs) and support customer-facing activities
- Monitor the status of anomalies and ensure appropriate follow-up of corrective and preventive actions

? Change & Configuration Management

- Manage Change Control Requests (CCRs)
- Prepare the required deployment and release documentation
- Support configuration management activities and ensure that changes are properly documented and implemented

? Software Releases & Data Activities

- Coordinate software release activities
- Support operational data extraction and analysis
- Contribute to the preparation and execution of deployment activities

? Testing & On-Site Activities

- Support on-site test campaigns
- Assist with the preparation and execution of operational and maintenance activities
- Collaborate with project teams and relevant stakeholders to ensure successful implementation of planned activities

CONTRACT & BENEFITS The successful candidate will be offered a full-time contract , with a competitive salary package reflecting skills and experience and aligned with the company’s salary scale.

Additional benefits include

✔ Team-building and extracurricular activities

✔ Versátil working hours, where compatible with project requirements

✔ Opportunities for professional growth within the project and across ESYEN

WORK LOCATION

Madrid – GSMC-ES, Spain

This is a full-time, on-site position .

Salary range: €30,000 - €55,000 gross annual salary , depending on relevant experience and qualifications.

The offer is open to candidates of all genders in compliance with Law No. 903/77 and Law No. 125/91.

📌 SYSTEM ADMINISTRATOR (Comunidad de Madrid)
🏢 ESYEN
📍 Comunidad de Madrid