Systems and Network Administrator

Key Responsibilities

• Administer, maintain, and support Windows and Linux server infrastructure and enterprise systems.
• Manage Active Directory, Group Policy, DNS, DHCP, file services, system access controls, and identity-related services.
• Perform system upgrades, patching, configuration changes, lifecycle maintenance, and controlled change activities for servers and core platforms.
• Monitor server health, performance, availability, and capacity, respond to alerts, and proactively address issues before service impact occurs.
• Administer and support LAN, WAN, wireless, VPN, firewall, switching, and routing infrastructure.
• Maintain Azure cloud infrastructure, including Azure virtual machines, networking, storage, identity, and security controls.
• Support and maintain Hyper-V virtualized environments and core virtual infrastructure services.
• Monitor network, cloud, and virtual infrastructure performance, availability, and security to ensure stable and reliable operations.
• Support backup, restore, backup verification, disaster recovery, and business continuity processes for critical systems.
• Provide high-level technical escalation support for infrastructure, server, network, virtualization, Linux, and cloud-related incidents.
• Work with internal departments and vendors to implement technical solutions, infrastructure improvements, and service enhancements.
• Follow change management processes for infrastructure changes, maintenance, upgrades, and planned maintenance activities.
• Maintain technical documentation, procedures, configuration records, and diagrams.
• Support security hardening, patch compliance, vulnerability remediation, access reviews, compliance activities, and continuous improvement initiatives.

Requirements

• Bachelor’s degree in Information Technology, Systems Administration, Computer Science, or a related field preferred.
• 3+ years’ experience in systems, network, or infrastructure administration.