IT Infrastructure Operations Engineer; m​/f​/d

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At Giesecke+Devrient Mobile Security, we lead the way in delivering high-security IT solutions that support mission-critical operations worldwide. Our environment is anything but ordinary. We operate state-of-the-art, highly secure, large-scale, and complex IT infrastructures across enterprise datacenters.

We provide end-to-end services covering the design, provisioning, operation, and continuous improvement of these infrastructures, ensuring the highest levels of security, availability, and performance.

As part of our interdisciplinary and international team, you will collaborate closely with key internal and external stakeholders, including business units, security specialists, and technology partners. This is far more than a traditional IT administration role. It is an outstanding opportunity to join a team recognized for its expertise, innovation, and operational excellence in managing highly secure, mission-critical IT environments.

• Contribute to the design, implementation, and continuous improvement of infrastructure automation processes
• Administer, maintain, and optimize Red Hat Enterprise Linux environments, including Red Hat Satellite
• Manage and monitor enterprise backup solutions, particularly Comm Vault
• Operate and maintain our infrastructure monitoring environment and continuously improve monitoring, alerting, and operational visibility
• Perform on-site datacenter activities, including installation, maintenance, troubleshooting, hardware replacement, and support of physical infrastructure components
• Operate, maintain, and continuously improve server, storage, and infrastructure services within our enterprise datacenter environment
• Proactively analyze infrastructure alerts, performance data, and system health to identify and resolve potential issues before they impact services
• Troubleshoot and resolve incidents related to servers, operating systems, storage, backup, monitoring, and infrastructure services
• Support lifecycle management, patching, configuration, and hardening of server environments
• Contribute to the continuous development and improvement of our IT infrastructure architecture and operational standards
• Identify opportunities to increase automation, reliability, scalability, and operational efficiency
• Participate in incident, problem, and change management processes
• Create and maintain technical documentation, operational procedures, and knowledge base articles
• Share knowledge, mentor colleagues, and contribute to technical training and enablement activities
• Collaborate closely with infrastructure, network, security, cloud, and application teams

• Degree in Computer Science, Information Technology, or a comparable qualification combined with relevant professional experience
• Strong experience in Linux system administration, preferably Red Hat Enterprise Linux
• Experience with infrastructure automation and standardized operational processes
• Hands-on experience with Red Hat Satellite, including patch management, lifecycle management, and system provisioning
• Experience with enterprise backup solutions, ideally Comm Vault
• Experience with infrastructure monitoring and alerting solutions
• Experience operating and troubleshooting infrastructure in enterprise datacenter environments
• Willingness and ability to perform regular on-site work in the datacenter, including hands-on work with physical infrastructure
• Good understanding of high-availability, redundancy, and disaster recovery concepts
• Experience with virtualization, server, and storage technologies is an advantage
• Knowledge of networking and IT security concepts is an advantage
• Experience with scripting and…