# IT Infrastructure & Systems Administrator

> JUST ONE | Recruitment & Executive Search agency · Athens, Greece · Full-time · Posted 2026-06-22

**Salary:** EUR 24,000–35,000

**Workplace:** on_site

## Description

Leading provider of Pharmaceutical Analytical Testing and Quality Control Services: IT Infrastructure & Systems Administrator.

**Responsibilities**

-   Implements, monitors and maintains network infrastructure, and computer systems
-   PCs' and users' central management
-   Implements, administers and maintains services like multi-domain Active Directory, Email, RDBMS, Printing, Cell Center, VoIP, Microsoft 365 services and applications, Backup of hybrid environments
-   Monitors and maintains multi-layered security measures to protect data and systems
-   Monitors and analyses data & Network security/ Security, backup & other logs by conducting regular safety checks
-   Oversees technicians, plans and undertakes proper and secure operation and maintenance, adherent to Company's IT policies, of Lab Instrument controlling and data acquisition platforms/software
-   Diagnoses and resolves technical issues, including small-scale repairs
-   Provides daily technical support to Company's personnel
-   Implements simple configurations on terminal devices and the Call Center
-   Monitors data center (on premises & on cloud) and telecommunications system performance
-   Recommends improvements, either on-premise or on-cloud
-   Implements IT policies
-   Creates and maintains documentation as it relates to regulations in place, system configurations, network diagrams, and IT processes
-   Creates and maintains efficient Standard Operating Procedures to ensure consistency, reduce errors, and preserve organizational knowledge
-   Participate in IT Audits
-   Keeps records of software licensing
-   Participates in the Training & Awareness sessions for the company’s personnel

## Requirements

-   At least two (2) years experience in the IT technical field (IT support, network, system, cloud services administration)
-   University degree in Information Technology – Computer Science
-   Good knowledge of the English language (CEFR Level B2)
-   Excellent knowledge of Microsoft Office applications
-   Certifications such as CompTIA Network+, CompTIA Security+ or similar are optional and considered a plus.
-   Network administration
-   System administration
-   Microsoft 365 services and applications administration knowledge
-   Firewall/UTM devices management, BOVPN
-   LAN/WAN/SAN, FO, Wi-Fi PtP radios/AP/Mesh, VLANs
-   Strong understanding of network architecture and protocols
-   Strong experience with Windows and Windows Server operating systems
-   Strong experience with Office applications
-   Virtualization (VMware, Hyper-V)
-   NAS administratrion
-   Problem-solving and analytical skills, troubleshooting for moderate issues
-   Scripting, automating simple and complex tasks
-   Backup and Recovery
-   Communication skills

## Benefits

-   Competitive compensation package
-   Career development and growth opportunities

## Apply

[Apply at JUST ONE | Recruitment & Executive Search agency](https://apply.workable.com/justone-gr/j/BEDF04B20C/apply)

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