Position: IT-Systemadministrator / Sysadmin / IT Infrastructure Manager / Networkadministrator
Company: Krista Recruitment
Category: Sysadmin
Experience required: 3y
English level: fluent

Job Responsibilities:


Install, configure, and maintain servers, databases, and other IT systems and software used in web design and development.
Manage and maintain user accounts, permissions, and access controls for IT systems and software.
Troubleshoot and resolve issues with IT systems and software, including hardware and software malfunctions and network connectivity problems.
Implement and manage IT security measures, such as firewalls, antivirus software, and intrusion detection systems.
Develop and implement backup and recovery plans to ensure the availability of critical IT systems and data.
Monitor the performance of IT systems and software and provide recommendations for improvement.
Manage and maintain documentation for IT systems and software.

Skills:
Experience in the server area (setting up servers, monitoring servers).
Experience with all Linux distributions (Debian, Ubuntu, Cent OS etc.).
Experience with Nginx (configuration, setup, repos, addons).
Experience with reverse proxy constructs, SSL secured upstream tunnels between servers and their configuration.
Experience with Docker as well as configuring, setting up and adjusting websites (Wordpress as well as Custom).
Experience with hardening a server against attacks, DDos, hacking, sniffing.
Experience with the security configuration of the entire server as well as the login security (SSH key, port scan, limitations within the configurations).
Experience with IT security measures, such as firewalls, antivirus software, and intrusion detection systems.
Strong problem-solving and analytical skills.
Excellent communication and teamwork skills.
Basic understanding of frontend and backend and their applications / programming languages.


Other Requirements:

3+ years of experience in IT system administration / Networkadministration / IT security 
Optional: Certifications in IT system administration, such as MCSA or RHCSA, are a plus.
Ability to work independently and manage multiple tasks simultaneously.
Good, fast, efficient and independent communication and working style.