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XM Cyber

System Administrator

XM Cyber, Chicago, Illinois, United States

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XM Cyber is a global leader in hybrid cloud security. XM Cyber brings a new approach that uses the attacker’s perspective to find and remediate critical attack paths across on-premises and multi-cloud networks. The XM Cyber platform enables companies to rapidly prioritize and respond to cyber risks affecting their business-sensitive systems. We are seeking an experienced and security-oriented

System Administrator

to join our IT team. Responsible for maintaining, configuring, and securing our organization’s infrastructure, with a strong focus on networking, virtualization, and firewall administration. Strong communication and customer service skills are essential, as this role involves frequent interaction with internal users and cross-functional teams. Responsibilities: ● Manage and monitor internal infrastructure, including servers, networks, virtualization platforms, and firewalls. ● Administer and maintain systems such as VMware/Hyper-V and backup solutions. ● Configure and maintain network devices (switches, routers, firewalls) with a focus on security best practices. ● Apply security patches, hardening procedures, and proactively monitor for threats and vulnerabilities. ● Respond to technical system support tickets and incidents in a timely and customer-focused manner. ● Document system configurations, processes, and procedures clearly and accurately. ● Collaborate with other IT staff to plan and execute infrastructure upgrades and improvements. ● Ensure compliance with security policies and industry standards. Requirements

● 3–5 years of experience in a system/network administration role. ● Hands-on experience with virtualization technologies (e.g., VMware, Hyper-V). ● Solid understanding of networking concepts, protocols, and hardware. ● Proficiency in managing firewalls. ● Strong knowledge of security best practices and system hardening techniques. ● Familiarity with Microsoft and/or Linux server environments. ● Excellent communication and interpersonal skills. ● Strong problem-solving and analytical thinking. ● Proactive mindset with a keen eye for detail and security awareness. ● Ability to manage time effectively and prioritize tasks in a fast-paced environment. ● Collaborative team player with strong customer service orientation. Preferred Qualifications (Nice to Have): ● Experience with scripting and automation (e.g., PowerShell, Bash). ● Exposure to cloud platforms (e.g., Azure, AWS) and hybrid environments.

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