Senior System & information Security Admin

Role Overview

We are looking for a hands-on Senior System & Information Security Administrator to maintain and support our IT infrastructure and security environment.

In this role, you will be responsible for the day-to-day administration, maintenance, and security of the organization’s IT systems, ensuring system stability, availability, and protection.

Key Responsibilities:

*System Administration - Manage and maintain servers (On-prem/ Azure), Active Directory (Entra ID), user accounts, and monitoring systems

*IT Infrastructure & Storage - Maintain networks, hardware, and storage systems to ensure stable and efficient operations

*Technical Support - Provide high-level technical support to end users and resolve infrastructure related issues

*Information Security - Maintain firewalls, endpoint protection, and access control; enforce security policies to ensure system integrity

*Backup & DB Maintenance - Manage backup processes, disaster recovery (DR), and routine MS-SQL Server maintenance

*Vendor Coordination - Professional management of external IT and security vendors when required.

Requirements:

· 7+ years of proven experience as a System Administrator - Mandatory.

· Strong knowledge of Windows Servers, Linux Servers, Networking, and IT infrastructure.

· Experience with Azure and Microsoft 365 (M365) administration.

· Experience with virtualization - mainly Proxmox

· Deep understanding of cyber security

· English – very high proficiency