System Administrator – Modernization of IT Infrastructure

Project overview

An established industrial SME is modernizing and standardizing its existing IT infrastructure. For this, a hands-on oriented System Administrator with a focus on servers and Linux is sought, who will take on operational tasks and actively support the further development of the platforms.

Key Data:

Requirements

• Completed apprenticeship as an IT specialist or Bachelor's degree in Computer Science.
• Practical experience in server administration and basic knowledge of network technology.
• Practical Linux skills, ideally with Debian; high technical affinity and quick comprehension.
• Experience with virtualization solutions and monitoring, preferably Checkmk.
• Structured, meticulous way of working as well as routine in documentation and working according to standards.
• German language skills at least at C1 level and willingness for regular on-site presence.

Nice to have

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• Experience with Proxmox; knowledge of Hyper-V or comparable virtualization technologies is also welcome.
• Exposure to Fortinet, RADIUS, and network environments.
• Knowledge of ISO 27001 and its requirements in IT operations.

Project details

Immediately

Until the end of December 2026, with an option for extension

Remote/On-Site: Freiburg, Onsite (90%) Remote (10%)

Utilization: 100% (Full-time)

YOUR CHALLENGE

YOUR TALENTS

• Administer, stabilize, and gradually modernize the existing server landscape during ongoing operations.
• Migrate legacy functions to modern virtual Debian servers and document the conversion comprehensibly.
• Manage Proxmox clusters, set up a test environment, and establish uniform virtualization standards.
• Develop server templates that enable standardized and reliable deployment of new systems.
• Perform weekly patch management and support secure, stable operation.
• Manage monitoring with Checkmk and analyze and resolve disruptions in the server and network environment.
• Participate in the migration of clients to a new network environment and represent the network team as needed.
• Commission Fortinet components as well as implement and administer ZVD/RADIUS solutions.
• Assist with on-site infrastructure work, document changes in a structured manner, and collaborate closely with internal departments.
• Start: flexible
• Location: DE
• Languages: German

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