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QG
Hybrid IT Administrator – High-Security ICT System
Posted last month
About the role
- IT Administrator managing high-security ICT system at Quantum Technology Laboratories in Vienna. Responsible for maintaining a secure and stable IT infrastructure with a focus on advanced security requirements.
Responsibilities
- Operation and protection of an ICT system with strict separation of network domains ("red-black separation")
- Design, implementation, and monitoring of security-relevant network measures, such as firewalls, VLANs, gateways, filtering mechanisms, and data-diode-based transmission paths
- Execution of security monitoring, log analysis, system hardening, and regular audits to ensure compliance
- Management of user and access control concepts, including implementation of least-privilege and zero-trust principles
- Operation and maintenance of local server environments (physical and virtual)
- Ensuring smooth 24/7 operation of infrastructure components (including participation in an on-call rotation)
- Close collaboration with security engineering, development, and management teams
- Providing user support in a strictly regulated IT environment
Requirements
- Completed degree or relevant IT training (e.g., computer science, IT security, system administration) or equivalent professional experience
- Several years of experience administering security-critical IT systems
- In-depth knowledge of: Network segmentation and secure network architectures, Red-black separation concepts / domain separation, Linux and/or Windows server administration, Virtualization technologies (e.g., VMware, KVM, Proxmox), Storage systems (NAS/SAN), Git/GitLab operation, CI/CD services, and internal DevOps workflows
- Experience with monitoring tools (e.g., Prometheus, Grafana, ELK stack) is an advantage
- Familiarity with security standards (BSI guidelines, hardening guides, audit requirements)
Benefits
- Flexible work arrangements in a hybrid model combining remote and onsite collaboration
- A collaborative and innovative environment in Vienna, a global hub for quantum research and space technology
- The opportunity to jointly develop projects and products at the thrilling junction between quantum and space technology
- Balanced work-life integration for our employees
- Attractive workplace with excellent infrastructure at Wienerberg
- Great Italian espresso
- Humorous and friendly work atmosphere
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