senior system administrator
Aug 13, 2026 · ΦΟΥΡΝΑΡΑΚΗΣ Α.Ε
What you'll do
- Provide 1st & 2nd level support to users and stores remotely and on site
- Participate in network installation, maintenance, and troubleshooting including firewall, VPN, VoIP Telephony, and RF Scanners
- Ensure proper functioning of internal infrastructure including computers, servers, routers, switches, firewalls, printers, and phones
- Plan capacity and storage and monitor database performance
- Perform routine and scheduled system audits
- Maintain Microsoft Azure, Active Directory, and Office 365 platform
- Manage hardware installation, maintenance, and troubleshooting
- Coordinate operating system management, installation, maintenance, and troubleshooting
- Install, configure, test, and maintain end user workstation hardware and network peripheral devices
Key requirements
- Network installation and maintenance with firewall, VPN, VoIP Telephony, and RF Scanners support
- 1st & 2nd level user support
- Hardware management, installation, maintenance, and troubleshooting
- Operating systems management and troubleshooting
- Microsoft Azure, Active Directory, and Office 365 platform maintenance
- Capacity and storage planning and database performance monitoring
- Routine and scheduled system audits
- Attention to detail
- Computer Sciencepreferred
About the job
Candidate Profile
University degree in Computer Science or Similar.
Self-motivated with a "can do" attitude, proactive, goal-oriented, able to handle multiple priorities, and able to work effectively under pressure without close supervision.
Willing to innovate, to learn and to share knowledge.
Willing and ability to adapt to new technologies.
Ability to work with attention to detail.
Strong interest in emerging technologies and web trends.
Main Responsibilities & Tasks:
Provide 1st & 2nd level support to all users and stores (remotely / on site).
Participate in network installation, maintenance and troubleshooting (firewall, VPN, VoIP Telephony, RF Scanners).
Make sure that the internal infrastructure requirements, including laptop and desktop computers, servers, routers, switches, firewalls, printers, phones, security updates; support internet, intranet, LANs, WANs, and network segments, are functioning properly.
Responsible for capacity, storage planning, and database performance.
Perform routine and scheduled audits of all systems
Maintenance of infrastructure: Microsoft Azure, Active Directory, Office 365 Platform.
Take ownership of Hardware management, installation, maintenance and troubleshooting.
Coordinate in operating Systems management, installation, maintenance and troubleshooting
Installing, configuring, testing, maintaining end user workstation hardware (desktops/laptops and mobile phones), network peripheral devices, and networking hardware products.




