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# System Administrator

- **Company:** Black Pen Recruitment
- **Location:** Berlin, Germany (Remote available)
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Server Applications, Cloud Computing, Cyber Security, Computer Networks, System Configuration, Dynamic Host Configuration Protocol, Linux, Digital Signature, Distributed Systems, Domain Name System (DNS), Network Security, Network Protocols, Cloud Services, TCP/IP, System Availability, Information Technology, Network Server, User Accounts
- **Published:** October 17, 2026
- **Apply:** https://www.adzuna.de/details/5930400735

## About the Role

* In-depth knowledge of cloud technologies;
 * In-depth knowledge of the administration of servers and operating systems (Linux);
 * In-depth knowledge of network protocols and services (e.g. TCP/IP, DNS, DHCP);
 * In-depth knowledge of cryptographic procedures and the use of digital signatures and certificates;
 * In-depth knowledge of network security, encryption and access controls;
 * In-depth knowledge of virtualised environments and cloud services;
 * In-depth knowledge of IT security and data protection;
 * In-depth knowledge of monitoring and backup tools;
 * In-depth knowledge of the set-up and handling of distributed systems (incl. geo-redundancy);
 * In-depth knowledge of configuring and monitoring distributed systems both on application servers and in cloud-based environments;
 * At least 3 years of demonstrable practical experience;
 * Based in Germany;
 * Fluent command of oral and written German (level C2 required) and English at a sufficient level

## Description

* Installation, configuration and maintenance of servers, operating systems and network components;
 * Ensuring the availability, performance and security of the IT infrastructure;
 * Administration of user accounts and authorisations;
 * Monitoring and maintenance of the systems as well as performance of regular backups;
 * Error analysis and troubleshooting in the IT infrastructure;
 * Documentation of the system configurations and processes;
 * Support in the implementation of new hardware and software;
 * Analysis and assessment of security risks and threats;
 * Anticipation and early identification of problems;
 * Derivation, formulation and implementation of problem-solving strategies;
 * Target-group-appropriate communication and explanation of problems and their effects to the Client;
 * Implementation of suitable measures taking into account functional and non-functional requirements (e.g. high availability of the system) as well as extensive quality assurance