# Senior System & Information Security Administrator

> Risco Group · Rishon LeZion, Israel · Full-time · Posted 2026-09-03

**Workplace:** on_site

**Department:** IT

## Description

We are looking for a highly autonomous and hands-on **Senior System & Information Security Administrator** with strong system infrastructure expertise to take full ownership of the company’s global IT infrastructure and security environment.

This is a standalone IT role, responsible for the hands-on management of the organization’s systems, infrastructure, security, and end-user environment, while coordinating external IT providers and vendors.

### Key Responsibilities:

-   **System Administration** - Manage and maintain Windows and Linux 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 recent hands-on System Administration experience, with the ability to independently manage a broad IT environment end-to-end.
-   Strong and current hands-on experience with Active Directory, including DCs, GPO, DNS, Replication, troubleshooting, and AD security/hardening.
-   Strong hands-on experience with Windows and Linux servers in production environments, networking, virtualization (mainly Proxmox), backup and DR.
-   Experience with Microsoft 365, Entra ID, hybrid environments, and endpoint/MDM management.
-   Strong practical experience in information security, including firewalls, endpoint security, and access control.
-   Hebrew – high proficiency; English – very high proficiency.

## Apply

[Apply at Risco Group](https://apply.workable.com/risco/j/84E21278D2/apply)

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