Information Technology System Administrator

2 weeks ago


Marousi, Attica, Greece CoreNetworks Full time €40,000 - €55,000 per year

System Administrator – CoreNetworks

Athens, Greece
|
Full-time

CoreNetworks
is expanding its Technical Department and is looking for a motivated and skilled
System Administrator
to join our team.

The ideal candidate will have strong experience in managing cloud and on-premise environments, excellent problem-solving skills, and a passion for modern IT infrastructure.

Key Responsibilities

  • Manage, monitor, and maintain Microsoft
    Azure services
    and related cloud infrastructure
  • Administer
    Microsoft 365 / Office 365
    tenant environments (Users, Exchange, SharePoint, Intune, Security & Compliance)
  • Provide support for on-premise and cloud servers, virtualization, and networking environments
  • Implement security best practices and maintain system reliability
  • Troubleshoot system and service issues, ensuring high availability and performance
  • Collaborate with internal teams on infrastructure projects and improvements

Required Qualifications

  • 3 years of proven experience
    in System Administration
  • Strong knowledge of
    Azure Services
    (VMs, AD, Storage, Networking, Security)
  • Solid experience with
    Microsoft 365 / Office 365 administration
  • Good understanding of networking concepts (DNS, DHCP, VPN, Firewalls)
  • Ability to diagnose and resolve technical issues efficiently
  • Excellent communication and teamwork skills
  • Holder of a valid driving license
  • Own vehicle for client visits
  • Proficiency in Greek & English

Preferred / Nice-to-Have

  • Experience with
    Linux environments
    (Ubuntu, CentOS, etc.)
  • Familiarity with automation tools (PowerShell, Bash, scripting)

What We Offer

  • Competitive compensation package
  • Opportunity to work with modern technologies and cloud environments
  • Continuous learning and professional development
  • Friendly and supportive work environment
  • 3-month probation period
    , followed by full integration into the team

Join CoreNetworks and become part of a growing team driving innovation in IT infrastructure and cloud services



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