Senior System Administrator

abra professional services is seeking a Senior System Administrator.

We are looking for a skilled Senior System Administrator to manage, maintain, upgrade, and secure enterprise IT infrastructure, including cloud, hybrid, networking, and cybersecurity environments.

This role requires deep technical expertise, extensive hands-on experience, and a broad understanding of IT infrastructure, networking, cloud architecture, and information security.

A full-time on-site position based in Tel Aviv, Israel.

Key Responsibilities:

• Manage, maintain, and upgrade end-to-end user environments and organizational IT infrastructure.
• Lead and manage cloud and hybrid environments, including Microsoft 365 and Azure.
• Manage and harden the organization’s information security environment, including implementation and administration of XDR systems and Fortinet products.
• Take ownership of the organizational network infrastructure, including routing, network security, switches, controllers, and wireless networks.
• Provide professional support and guidance to technicians and help desk teams.
  
  

• At least 5 years of experience as a System Administrator in medium to large enterprise organizations.
• In-depth experience managing Microsoft 365, Azure, and endpoint management using Microsoft Intune.
• Proven knowledge and hands-on experience working with Hyper-V.
• Proven hands-on experience with Aruba networking equipment, including switches, controllers, and wireless networks.
• Experience managing and configuring Fortinet products, including firewalls.
• Experience managing and monitoring advanced XDR protection systems.
• Knowledge of PowerShell.
• Knowledge of SIEM / SOC systems.
  
  

• Ability to work independently while collaborating effectively with a team in a dynamic and challenging environment.
• High service orientation, excellent interpersonal skills, and strong verbal communication abilities.
• Strong self-learning ability and willingness to learn new technologies.
• Proactive mindset, initiative, ownership, and ability to work under pressure.