
IT System Administrator – Infrastructure
JUNG
full-time
Posted on:
Location Type: Hybrid
Location: Schalksmühle • 🇩🇪 Germany
Visit company websiteJob Level
Mid-LevelSenior
Tech Stack
AzureCloudFirewallsLinuxSQLVMware
About the role
- Administration and further development of the network infrastructure (LAN, WAN, WLAN, VPN, firewalls)
- Operation and maintenance of physical and virtual servers (e.g., VMware vSphere, Proxmox VE) and central storage systems
- Administration and maintenance of the Microsoft and Linux server landscape
- Technical integration of sites and subsidiaries into the existing systems landscape
- Management and monitoring of SSL/TLS certificates, internal PKI structures, automated renewals and security monitoring as part of centralized certificate management
- Coordination, implementation and documentation of IT security and backup concepts
- Support in the implementation of cloud and hybrid solutions (e.g., Microsoft Azure, SAP BTP)
- Collaboration with internal departments, subsidiaries, partners and external IT service providers
- Monitoring, troubleshooting and performance optimization during ongoing operations
- Interface to building services regarding UPS, emergency power supply and early fire detection
Requirements
- Degree in Computer Science or Business Informatics, completed apprenticeship as an IT specialist, or equivalent qualification
- Several years' experience administering complex IT infrastructures in industrial or production environments
- Solid knowledge of: network administration (LAN/WAN/VPN, routing, firewalls, VLAN)
- Virtualization (VMware, Proxmox)
- IT security and backup systems
- Microsoft Server and Linux distributions
- Knowledge of SQL, Azure, cloud integrations or S/4HANA is an advantage
- Good written and spoken English
- Structured, independent working style with high technical precision
- Team-oriented and willing to travel internationally on occasion
Benefits
- Attractive remuneration according to the collective agreement for the metal and electrical industry (NRW), including Christmas bonus, vacation pay and contractual special payments
- Work–life balance – flexible working hours including a flexitime account, 30 days of vacation and remote working
- Structured onboarding with an individual training plan and mentoring during the onboarding phase
- Numerous training opportunities and corporate health management measures, including bike leasing and gym partnerships
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard skills
network administrationLANWANWLANVPNfirewallsvirtualizationSQLIT securitybackup systems
Soft skills
structured working styleindependent working stylehigh technical precisionteam-orientedgood written Englishgood spoken English
Certifications
degree in Computer Sciencedegree in Business Informaticscompleted apprenticeship as an IT specialist