IT Security Operations Technician

IT Security Operations Technician

Location: Darmstadt, Germany

Application deadline: 3 June 2026

Reference number: 0507

Are you looking for a new opportunity to take your career to a higher orbit? To join an international group with a successful track record in Space Engineering? A job adapted to your career ambitions and in which you could have an impact for the years to come?

We are seeking an IT Security Operations Technician to support the IT Security Section of the European Space Agency (ESA). The role delivers operational and technical support for security‑critical IT services and infrastructures, ensuring the confidentiality, integrity, availability, and business continuity of ESA’s Communication and Information Systems in compliance with ESA Security Directives.

About the client and location

The European Space Operations Centre (ESOC) is the European Space Agency’s base in Darmstadt, Germany. As the main control centre for ESA, ESOC controls the launch and early orbit phases for their missions. They are also accepted globally for their research into ground system engineering, satellite navigation, space debris studies and more.

Tasks and activities

• Operating and supporting IT security, classified data, and infrastructure services.
• Managing security incidents and service requests end‑to‑end.
• Operate and maintain PAM, IAM, vulnerability management, and monitoring tools.
• Managing and supporting Linux‑based centralised log collection platforms.
• Ensuring log availability, integrity, retention, and access control.
• Supporting maintenance, patching, and upgrades of servers, operating systems, appliances, and network/security devices.
• Managing firewall, VPN, and remote access services.
• Liaising with client and stakeholders.
• Documentation of operational procedures.
• Contributing to service evolution by providing feedback from operational experience to evolution projects.
• Maintaining and upgrading hardware, software, and security/network infrastructure to agreed schedules.
• Reporting on workload and operations and contributing to meetings to identify efficiency gains.

Skills and experience

The following skills and experience are mandatory:

• Experience in IT operations or security operations.
• Knowledge of Windows system administration.
• Proven experience in Active Directory user lifecycle management.
• Strong skills in administering and troubleshooting Linux‑based systems.
• Good understanding of centralised logging concepts.
• Experience with firewall/VPN technologies and remote access services.
• Solid understanding of cybersecurity fundamentals.
• Ability to work flexibly and adapt to changing requirements.
• Desire to work both autonomously and as part of a team, in an international multicultural environment.
• Eligibility to obtain a Personnel Security Clearance (PSC) up to ESA SECRET level.
• Fluent in English, both written and spoken.

The following skills and experience would be highly desirable:

• Experience with enterprise IT, security, and virtualisation technologies (AD, SIEM, PAM, PowerShell, VMware, ITSM, ISO 27001).
• In possession of an IT security industry certification or technical vendor certification.
• Technical degree (BSc, Diploma, or equivalent) from a recognised institution would be an asset.

Why should you apply?

• You will have the opportunity to work within leading space organisations across Europe.
• We encourage everyone to think outside the box and to push the boundaries of traditional knowledge. This role is an opportunity to join a forward‑thinking company and allows for a deeper understanding of the industry.
• To be part of a company that values integrity, inspiration, care and collaboration.
• Benefits include: competitive remuneration packages; unique career opportunities, including working in other countries; access to training and development programmes; flexible relocation support.

We are proud to be an equal‑opportunity employer, committed to achieving diversity within the workforce and creating an inclusive working environment. We welcome applications from all candidates, irrespective of gender, sexual orientation, ethnicity, religious beliefs, age, disability or other characteristics.

As part of our commitment to providing an inclusive and barrier‑free recruitment process, we will provide reasonable adjustments and support to ensure neuro‑diverse applicants or those with a disability or long‑term condition can be their best during the recruitment process.