- QCG Computer GmbH
- Eschweiler, NW
- Full-Time
- 62 days ago
IT System Administrator (m/f/d) with a Focus on Security & Networking - Hybrid.
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IT System Administrator (m/f/d) with a Focus on Security & Networking - Hybrid: our view in 3 lines...
- The Role:This role is for an IT system administrator focused on security and networking in a production environment.
- The Person:The person will administer and improve server and network systems, monitor security events, resolve vulnerabilities, implement technical security measures and document IT and security processes.
- Requirements:The role calls for at least three years of experience in IT system administration, networking and IT security, plus Windows and Linux environments, virtualization solutions, encryption technologies and security monitoring tools.
About the role
Your mission
- Administration, maintenance and optimization of the IT infrastructure with a focus on network security and system stability, particularly within a production environment.
- Operation and continuous development of server and network systems, including firewalls and endpoint security solutions, to ensure a consistently secure IT environment.
- Monitoring and further development of the network infrastructure (LAN/WAN/VPN), including segmentation, access controls and performance optimization.
- Analysis, identification and resolution of security-related vulnerabilities in systems and applications.
- Implementation and maintenance of technical security measures such as patch management, endpoint security, encryption technologies and backup strategies.
- Use of logging, monitoring and SIEM tools to detect and evaluate security-critical events.
- Support in the implementation of new IT projects and technologies with a strong focus on security requirements and network architecture.
- Documentation of IT and security processes as well as creation of policies and guides for users and IT colleagues.
Your profile
- Completed vocational training or degree in Computer Science, IT Security or a comparable field.
- At least three years of professional experience in IT system administration with a focus on networking and IT security.
- Solid expertise in server and network technologies as well as network security (routing, switching, VLANs, firewalls, VPN).
- Experience with encryption technologies, security concepts and security monitoring tools.
- Experience working with Windows and Linux environments as well as virtualization solutions (e.g. VMware, Hyper-V).
- Independent, structured and security-conscious way of working combined with strong problem-solving skills.
- Very good English communication skills, both written and spoken (C1/C2 level). German language skills are considered an advantage but are not essential for this role.
Why us?
- A dynamic environment with real opportunities for professional growth, learning and continuous development.
- The possibility to make a direct impact on the company, its IT infrastructure and operational excellence.
- Flat hierarchies, short decision-making processes and an open company culture that values initiative and ownership.