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September 15, 2026

IT Infrastructure & Security Expert

Junior • On-site

52,000 - 92,000 EUR/yr

Essen, Germany

Quick Facts

  • Role: IT Infrastructure & Security Expert (full-time)

Description

You will administer and secure IT infrastructure with a focus on firewall technologies and reliable network operations. The role includes maintaining Microsoft and Linux server systems, supporting application servers, and participating in on-call duties to ensure stability and security.

Responsibilities

  • Administer firewall systems, especially with Fortinet technologies
  • Use experience with Cisco-based network infrastructure
  • Implement, support, and maintain IT systems for smooth operations
  • Administer and operate Microsoft and Linux server operating systems; support application servers
  • Create documentation and handbooks to support internal processes
  • Actively participate in on-call duty to ensure IT stability and security

Requirements

  • Completed IT education/training
  • First professional experience in IT infrastructure (Exchange Server and Active Directory)
  • Relevant certifications (e.g., Fortinet, Microsoft, Linux) or willingness to obtain them
  • Ideally experience in user support
  • Strong analytical and technical thinking
  • Service mindset; proactive, motivated, goal-oriented, and resilient
  • No challenges with on-call duty
  • Good English skills
  • Solid MS Office knowledge, especially very good skills in Word, Excel, and PowerPoint

Benefits

  • Flexible working time models and home office options
  • Internal training opportunities
  • Exciting team events
  • Respectful working environment
  • Full-time position with benefits including company pension plans and further training opportunities

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