IT-Systemadministrator (m/w/d)
Core
Managing and evolving enterprise IT infrastructure, including DNS/DHCP, Proxy, and PKI configuration, performance analysis, capacity planning, and incident resolution.
Role type
Senior IT System Administrator
Builds
Enterprise IT infrastructure and security architecture
Domain
IT Infrastructure and Security
Required skills
Network and security component configuration, PKI software management (Microsoft CA, OpenSSL), Cryptographic procedures (X.509, RSA/ECC), System monitoring and reporting, SLA management, Automation solution development, Incident troubleshooting
Preferred skills
Information security frameworks (IT-Grundschutz, ISO 2700x)
Technologies
DNS, DHCP, Proxy, PKI, Microsoft CA, OpenSSL, X.509, RSA, ECC
Responsibilities
Configure and maintain DNS/DHCP, Proxy, and PKI in an enterprise environment; Perform performance analysis, capacity planning, and system planning; Troubleshoot incidents; Create, maintain, and document operational procedures and automation solutions; Monitor and report on application-related SLAs; Integrate new systems and services into the existing security architecture.
Seniority
Mid-level to Senior, hands-on IC