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Systems and Network Administrator

●

1 day ago

Greece, Attiki, Athens
Full Time
Mid-Level
On-Site

Basic Information

This position reports to the IT Director and involves overseeing, managing, and ensuring the stability, security, and efficiency of all IT infrastructure across the Group. The role encompasses central systems, network infrastructure, Cloud services, and corporate data security.

Responsibilities

  • Oversee, manage, and ensure the stability, security, and efficiency of all IT infrastructure
  • Supervise central systems, network infrastructure, and Cloud services
  • Manage corporate data security
  • Provide technical guidance in the design and execution of new IT projects
  • Support smooth system operations
  • Work closely with the team to address the Group's technological needs

Requirements

Active Directory
Cisco
Cisco Certified
Cloud Engineering
Cloud Infrastructure
Cloudformation
Cybersecurity
Database Administration
Design
Firewalls
Hardware Installation
Hyper V
Hyper-V
Implementation
Information Technology
Linux
Microsoft 365
Microsoft 365 administration
Microsoft Azure
Microsoft Intune
VMware
Windows Server
  • Bachelor's degree in Computer Science, Information Technology, or related field
  • Minimum 5 years of experience in systems and network management
  • Strong knowledge of Virtualization (VMware vSphere 5.5 - 6.5 – 7)
  • Strong knowledge of Microsoft Windows Servers (2012/2016/2019) and Active Directory
  • Experience with Linux server management
  • Excellent knowledge of computer networks and Cisco Nexus equipment configuration/troubleshooting
  • Experience with Cloud platforms (Microsoft Azure)
  • Extensive management of Microsoft 365 (Mail Services, Intune, Entra ID, Compliance, Security)
  • Strong knowledge of cybersecurity and Firewall management
  • Experience in designing and implementing Disaster Recovery plans
  • Fluent English (written and verbal)
  • Programming skills, project organization, and technical leadership capabilities
  • Goal-oriented mindset and team spirit

Benefits

Bonus structure
Certifications and training
Continuous education
Private health insurance
  • Competitive compensation package
  • Group insurance program
  • Continuous education and training
  • Modern, stable, and dynamic work environment within one of the most historic groups

Good to have

  • OSCP certification
  • Microsoft Certified: Azure Fundamentals
  • CCNA certification
  • Knowledge of Checkpoint and F5 Big IP firewalls
About the company

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About the company

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Nic. J. Theocarakis S.A.

Nic. J. Theocarakis S.A.

Information Technology
Systems Administrator