IT Systems Administrator – Infrastructure & Security (m/f/d)

About the Position

We are seeking an IT Systems Administrator – Infrastructure & Security (m/f/d) to join our team. This role involves the administration and operation of security-critical IT infrastructures within an isolated network. You will be responsible for setting up, maintaining, and monitoring client and server systems with a focus on information security.

Responsibilities

• Administration and operation of security-critical IT infrastructures within an isolated network
• Setup, maintenance, and monitoring of client and server systems, with a particular focus on information security
• Installation and configuration of IT components, preferably BSI-approved hardware (e.g. firewalls, network components, and specialized clients)
• Execution of system and security updates on network-isolated systems, including the use of physical data transfer media
• Implementation of technical hardening measures to protect the system environment against unauthorized access
• Management of user and access rights concepts within protected network areas
• Documentation of technical systems in accordance with internal and external security and compliance requirements
• Collaboration with the Information Security team to ensure compliance with regulatory requirements

Requirements

• Completed vocational training or a degree in IT (e.g. IT Specialist for System Integration, Computer Science) or an equivalent qualification
• Several years of professional experience in administering Windows environments, as well as in the areas of Active Directory, networking, firewalls, storage, and backup
• Strong knowledge of networking technologies, virtualization, and IT security, including experience with security-related tools and solutions
• Fluent German, both written and spoken (native level or equivalent), as well as good command of English
• Independent, structured, and solution-oriented approach to work

We Offer

• Exciting, innovative, and sustainable projects
• Long-term career prospects and diverse opportunities for professional development
• 30 days of annual leave and flexible working hours to support a healthy work-life balance
• Flexible mobile working options, depending on the position
• Digital business processes enabling modern and efficient ways of working
• A variety of team events – from sports activities to social gatherings – fostering a strong team spirit
• A friendly, family-oriented working environment with open communication and short decision-making processes
• Company pension scheme for long-term financial security
• Wellpass membership providing access to a wide range of fitness, sports, and wellness facilities
• JobRad bicycle leasing for sustainable and convenient mobility
• Corporate Benefits with exclusive discounts at numerous brands and retailers

Locations

• Nordholz / Cuxhaven, Germany
• München, Germany
• Kiel, Germany
• Wilhelmshaven, Germany
• Koblenz, Germany

Employment Type

• Full-time

Contact

Apply now to be redirected to our external application form at Personio.