System Administrator

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Full Time Hill Air Force Base, UT, US

4 days ago Requisition

Position Summary

The Senior System Administrator will install, configure, administer, secure, sustain, and troubleshoot Windows- and Linux-based servers, virtual infrastructure, enterprise applications, and supporting services within the Hill CEDC. The position requires demonstrated experience supporting mission-critical data center operations, applying approved cybersecurity controls, managing system configurations, and coordinating maintenance activities in accordance with established change-management processes

• I nstalls, configures, administers, maintains, and decommissions physical and virtual Windows and Linux servers within the Hill CEDC environment.
• Performs operating system installation, configuration, patching, hardening, upgrades, and lifecycle maintenance in accordance with approved security and change-management processes.
• Administers virtualized environments, including creating, configuring, monitoring, migrating, and retiring virtual machines and associated resources.
• Diagnoses and resolves system, operating system, application, virtualization, storage, network-connectivity, and performance issues to maximize availability and operational service levels.
• Coordinates with hardware, network, cybersecurity, database, storage, and application-support personnel to troubleshoot and resolve infrastructure incidents and service requests.
• Configures and maintains Windows-and Linux-based services, including user authentication, directory services, domain services, DNS, DHCP, file services, print services, and system logging, as applicable.
• Monitors server health, system performance, capacity, availability, event logs, and security alerts; takes corrective action or escalates issues as required.
• Implements and maintains approved operating system security configurations, vulnerability remediation actions, security patches, antivirus or endpoint-security tools, and compliance settings.
• Supports assessment and remediation of cybersecurity vulnerabilities, misconfigurations, and findings in coordination with cybersecurity personnel and system owners.
• Maintains privileged-access controls, account administration, group memberships, and role-based access in accordance with approved procedures and least-privilege principles.
• Supports installation, configuration, and sustainment of enterprise applications and supporting middleware in coordination with application owners and vendors.
• Performs software installation, licensing support, version upgrades, and configuration changes while maintaining accurate system documentation.
• Develops, maintains, and executes standard operating procedures (SOPs), system-administration guides, configuration baselines, and troubleshooting documentation.
• Documents system configurations, dependencies, maintenance actions, incidents, changes, and recovery procedures under configuration-management control.
• Supports End-of-Life/End-of-Support (EOL/EOS) planning, technology refresh efforts, migration planning, and market research for replacement software and infrastructure commodities.
• Participates in approved change-management, maintenance-window, outage-notification, and service-restoration processes.
• Supports Portable Operating Data Center (POD) systems, including installation, configuration, monitoring, maintenance, and upgrades; supports short-notice travel to remote sites as required.
• Performs other related duties as assigned.

Education, Certification & Experience Requirements

• Bachelor’s degree in Information Technology, Computer Science, Cybersecurity, Business, or a related field; equivalent relevant professional experience may be considered.
• 4+ years of progressively responsible system-administration experience**, including experience supporting enterprise Windows and Linux server environments.
• Active Secret Clearance (or ability to obtain/maintain)
• CompTIA Security+ Certification is Required
• CompTIA Server+ and/or CompTIA Linux+ preferred
• Microsoft Windows Server or Azure administration certification preferred
• Red Hat Certified System Administrator (RHCSA) or comparable Linux certification preferred
• VMware Certified Professional (VCP) or comparable virtualization certification preferred
• ITIL Foundation preferred

Knowledge, Skills & Abilities:

• Demonstrated experience administering and…