Senior System & Information Security Administrator

On-siteSalary not specified

Tech Stack

LinuxWindowsAzure

Job Description, Responsibilities & Requirements

About the Position

We are seeking a highly autonomous and hands-on Senior System & Information Security Administrator to take full ownership of the company’s global IT infrastructure and security environment. This is a standalone IT role, responsible for all aspects of the organization’s IT operations, infrastructure, security, and end-user support, while coordinating external IT providers and vendors.

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 & Database Maintenance: Manage backup processes, disaster recovery (DR), and routine Microsoft SQL Server maintenance.
  • Vendor Coordination: Professionally manage external IT and security vendors when required.

Requirements

  • 7+ years of proven experience as a System Administrator – mandatory.
  • Strong knowledge of Windows Server, Linux Server, networking, and IT infrastructure.
  • Experience with Microsoft Azure and Microsoft 365 (M365) administration.
  • Experience with virtualization, primarily Proxmox.
  • Deep understanding of cybersecurity principles and best practices.
  • High level of English proficiency.

Location

  • City: Rishon LeZion
  • Country: Israel
  • Type of Employment: On-site

About StairwaySoft

StairwaySoft is a global engineering provider of innovative software development services with a team of expert engineers. We service various businesses internationally to create solutions and help companies achieve their technology goals. We build software solutions through an ever-expanding UNIQUE HYBRID of Eastern European, Middle East, and Central Asia Engineering matched with Israeli Innovation.

Contact Information

  • Israel: +972 58 774 7472
  • Ukraine: +380 94 712 3258
  • Kazakhstan: +7 708 392 9937

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Job Details

Company name:
StairwaySoft
Location:
Israel
Work Mode:
On-site
Posted on TheJob:
Jul 14, 2026
Last checked:
Jul 14, 2026
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