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IRIronMaxx

Senior IT System Administrator(m/w/x)

Hürth
Full-timeOn-siteSenior

Managing Windows Server and Hyper-V environments, including Arcserve backups and Synology storage. Advanced PowerShell scripting skills required. Hybrid work, 40-hour week.

Requirements

  • Several years of professional experience in system administration, IT infrastructure, or similar role
  • Strong knowledge of Microsoft 365 administration
  • Advanced PowerShell scripting and automation skills
  • Experience with Hyper-V virtualization environments
  • Solid experience with Arcserve backup solutions and Synology storage systems
  • Hands-on experience with firewall systems (e.g. OPNsense)
  • Good understanding of networking concepts and IT security fundamentals
  • Strong troubleshooting and problem-solving skills
  • Structured, solution-oriented working style with high ownership
  • Experience with Terminal Server (RDS) environments
  • Experience with IT automation and scripting
  • Knowledge of cloud and hybrid infrastructure environments
  • Experience in fast-growing and scalable IT environments
  • Interest in emerging technologies and AI-driven solutions
  • Strong communication and collaboration skills across departments

Tasks

  • Administer and optimize IT infrastructure
  • Manage Windows Server and Hyper-V environments
  • Monitor and troubleshoot system performance
  • Ensure system availability and reliability
  • Administer backup, storage, and recovery solutions
  • Maintain IT security standards and system stability
  • Manage Microsoft 365 services
  • Handle user, role, and permission management
  • Write PowerShell scripts for automation
  • Support workplace technologies and endpoint devices
  • Administer network infrastructure
  • Configure and manage firewall systems
  • Optimize network performance and connectivity
  • Manage Arcserve backup solutions
  • Maintain Synology storage systems
  • Ensure data security and backup integrity
  • Prepare for disaster recovery
  • Standardize and automate IT processes
  • Evaluate and implement new technologies
  • Document systems and processes
  • Explore AI-powered tools and automation

Work Experience

  • approx. 4 - 6 years

Education

  • Vocational certificationOR
  • Bachelor's degreeOR
  • Master's degree

Languages

  • EnglishBusiness Fluent

Tools & Technologies

  • Microsoft 365
  • PowerShell
  • Hyper-V
  • Arcserve
  • Synology
  • OPNsense
  • Terminal Server
  • RDS
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