System Infrastructure Specialist

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