System Infrastructure Specialist

abra professional services is seeking a Senior System Infrastructure Specialist.

We are looking for a skilled Senior System Infrastructure Specialist to manage, maintain, and support complex IT infrastructures in a dynamic, enterprise-level technological environment.

This role requires extensive hands-on experience with VMware, virtualization, Windows Servers, hybrid environments, PowerShell scripting, and infrastructure project management, along with strong troubleshooting and problem-solving skills.

A full-time hybrid position based in Modi'in, Israel, with 4 days a week from the office and 1 day remote. The position requires 9 working hours per day.

Key Responsibilities:

1. Manage and support enterprise IT infrastructure, including virtualization, servers, storage, backup systems, and cloud and data center environments.
2. Maintain and operate Microsoft 365 infrastructure, including email services.
3. Manage Windows Server environments and infrastructure services such as Active Directory, DNS, DHCP, and SCCM.
4. Collaborate with development teams to define and implement infrastructure requirements.
5. Provide technical guidance and support to Tier 1 and Tier 2 support teams, help desk staff, and technicians.
6. Manage infrastructure changes and production deployments according to organizational procedures.
7. Perform ongoing maintenance and troubleshooting to ensure maximum system availability and stability.
8. Lead technological infrastructure projects independently and implement innovative solutions to improve system performance and operational efficiency.

Professional requirements:

• At least 5 years of experience as a System Administrator in a large enterprise organization, working in hybrid environments with hundreds of servers and thousands of workstations – mandatory.

• Extensive experience managing VMware environments, including Hyperconverged Infrastructure (HCI); experience with vSAN is preferred – mandatory.

• Proven experience leading technological infrastructure projects – mandatory.

• Strong knowledge and proven ability to independently develop complex PowerShell scripts – mandatory.

• Experience managing VDI environments – advantage.

• Familiarity with Linux, automation tools, and scripting – advantage.

• Experience working with information security and networking solutions – advantage.

• Certifications such as VMware, MCSA, CCNA, Azure, or DevOps – advantage.

• Experience maintaining and operating enterprise storage and backup systems – advantage.

• Strong Tier 2/3 troubleshooting skills and ability to independently investigate technical issues using English documentation.

Personality requirements:

• Strong self-learning abilities and the ability to quickly understand complex technological environments.

• Ability to independently lead technological projects and processes with a deep understanding of organizational needs.

• Creative thinking and ability to identify and implement innovative technological solutions.

• Strong organizational skills and ability to work according to established standards and procedures.

• Excellent interpersonal and communication skills, with the ability to collaborate with end users, help desk teams, technicians, developers, infrastructure teams, and project managers.

• Ability to professionally guide and mentor technical teams.

• High service orientation and strong teamwork skills.

• Willingness to work under pressure and maintain high availability beyond standard working hours when required.