Senior Systems Administrator

Position Title:
Senior Systems Administrator

Location:
Hill AFB, UT (On-Site Required)

Clearance:
**** This position requires an Active Secret Clearance****

Compensation: $ - $

Command Cyber Solutions is seeking a Senior System Administrator to support the Hill component enterprise data center IT operations and maintenance services at Hill Air Force Base, Utah (HAFB). This program supports modernization of legacy U.S. Air Force network infrastructure and migration of services.

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

• Installs, 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.
• Performs system backups, restores, replication, and recovery actions; supports validation of backup and disaster-recovery procedures.
• 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.
• Develops and maintains system configuration baselines consistent with the 75 ABW/SC configuration-management plan.
• Supports equipment inventory, software-license tracking, capacity management, rightsizing, and lifecycle management of server and virtual infrastructure resources.
• 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.
• Provides technical leadership, mentoring, and cross-training to junior system administrators and other engineering personnel.
• Ensures system designs and configurations adequately address Department of Defense and Air Force…