# Senior IT Systems & Infrastructure Administrator

> JUST ONE | Recruitment & Executive Search agency · Athens, Greece · Full-time · Posted 2026-11-03

**Salary:** EUR 27,000–42,000

**Workplace:** on_site

## Description

For a leading Greek company operating in the consumer healthcare sector, with a strong market presence and expanding international operations: Senior IT Systems & Infrastructure Administrator

**Responsibilities**

-   Take ownership of the company’s IT infrastructure and systems, ensuring availability, reliability, security and performance across the business.

-   Administer, configure, maintain and troubleshoot Windows and Linux servers, desktops, laptops, workstations, network equipment, printers, peripherals and warehouse technology.
-   Manage the full lifecycle of IT equipment, from technical specification and procurement to inventory, deployment, upgrades, replacement and secure decommissioning.
-   Provide hands-on hardware and software support, independently diagnosing and resolving technical issues and supporting internal users.
-   Provide technical administration and support for the company’s SoftOne ERP, coordinate with external providers, monitor upgrades and support integrations with other business applications.
-   Support warehouse and logistics technology, including WMS, scanners, barcode systems, label printers and related integrations, where applicable.
-   Administer Microsoft 365 services, including Exchange, Teams, SharePoint, OneDrive and corporate accounts, as well as cloud services, device management and access controls.
-   Manage and maintain network infrastructure, including Wi-Fi, routers, switches, firewalls, VPNs, racks, UPS systems and structured cabling, ensuring stable and secure connectivity.
-   Implement and monitor cybersecurity measures, including identity and access management, MFA, endpoint protection, backups, disaster recovery and incident response procedures.
-   Maintain the technology infrastructure of corporate offices and meeting rooms, including video conferencing systems, displays and access control solutions; coordinate specialist installations with external technical partners.
-   Organize internal IT support and service management, including request prioritization, equipment tracking, technical documentation and the establishment of relevant service KPIs.
-   Collaborate with the AI team and other technology partners to securely integrate information systems, enable appropriate data access and support the implementation of new digital applications.
-   Evaluate and coordinate IT vendors, service providers and technology projects, monitoring service quality, effectiveness and cost management.
-   Identify opportunities to improve IT processes, infrastructure resilience and operational efficiency, and communicate key activities, risks and initiatives to management.

## Requirements

-   Bachelor’s degree in Information Technology, Computer Science, Computer Engineering or a related field.
-   Proven hands-on experience in corporate IT infrastructure, systems administration, hardware and software support; experience at a senior level is preferred.
-   Strong knowledge of Microsoft 365, Windows environments, server administration, networking and cybersecurity principles.
-   Practical experience in hardware installation, configuration, maintenance, troubleshooting and equipment lifecycle management.
-   Experience with ERP systems and warehouse management technologies (WMS); knowledge of SoftOne ERP is strongly preferred.
-   Understanding of warehouse and logistics systems, scanners, barcode solutions, label printers and business-system integrations.
-   Knowledge of cloud services, device management, identity and access management, MFA, endpoint protection, backup and recovery practices.
-   Ability to independently troubleshoot and resolve technical issues, manage competing priorities and take ownership of day-to-day IT operations.
-   Experience coordinating external IT vendors, providers and technical projects, with an awareness of service quality and cost effectiveness.
-   Excellent organizational and communication skills, with the ability to collaborate effectively with non-technical stakeholders and teams across the business.
-   Good command of Greek and English, both written and spoken.
-   Relevant IT certifications, particularly Microsoft, networking, cybersecurity or SoftOne certifications, will be considered an asset.

## Benefits

-   Annual Gross Compensation: Base Salary €27.000 - €42.000
-   Premium private medical insurance
-   Company laptop and mobile phone

## Apply

[Apply at JUST ONE | Recruitment & Executive Search agency](https://apply.workable.com/justone-gr/j/265B4FF9C5/apply)

---
Powered by [Workable](https://www.workable.com)