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Frequentis

Provides mission-critical communication and information systems

Linux Infrastructure Engineer NIS

System AdministrationConfirmed live in the last 24 hours
Full-timeKarlsruhe, GermanyNo salary listed

About the Job

Requirements

  • A degree in Computer Science, IT, or a comparable qualification.
  • Several years of professional experience with Linux systems; experience with Red Hat Enterprise Linux is ideal.
  • Broad technical understanding of IT infrastructure and system administration.
  • Experience with networking, virtualization, and common infrastructure services.
  • Basic to good programming skills in Python and an interest in automation.
  • Knowledge of IT security, vulnerability management, and SIEM solutions.
  • A structured, analytical, and solution-oriented working style.
  • Good communication skills and confidence working with internal and external stakeholders.
  • Good command of written and spoken English.

Responsibilities

  • Administer and configure Linux systems and virtual machines.
  • Set up and maintain services such as DNS, DHCP, NGINX, and Keycloak.
  • Develop small automation solutions and scripts using Python.
  • Support vulnerability management and technical security activities.
  • Maintain and support SIEM solutions and contribute to security monitoring.
  • Collaborate closely with product development, System Engineers, and customer project teams.

About the Company

Frequentis

Provides mission-critical communication and information systems

Frequentis designs and sells highly reliable communication and information systems for mission-critical use. Its products and services support civil aviation, defense, public safety, maritime and public transportation, with customers such as air traffic management, railways and emergency services. The systems combine secure voice and data communications with information management to enable safe and efficient operations, and are delivered through long-term partnerships that include ongoing maintenance and support. The company grows its offerings through strategic acquisitions, like Orthogon, to broaden its product suite. Operating globally, Frequentis focuses on reliability, performance and continual improvement to help customers run critical operations without interruptions. Its goal is to be a trusted partner that enables safe, efficient, and coordinated operations across multiple sectors and geographies.

Company size
1,001-5,000
Company stage
IPO
Headquarters
Vienna, Austria
Founded
1947

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