Systems Administrator II

Provide end-user and system support for infrastructure platforms during core business hours, with rotational on-call participation Support operating systems, virtual machines, storage appliances, and backup environments Troubleshoot system, hardware, and backup issues Use monitoring and analytics tools to maintain system performance and identify issues Collaborate with cybersecurity teams to meet compliance and security requirements Follow change management procedures for hardware and software updates Assist with hardware troubleshooting and coordinate vendor repairs Evaluate new server hardware and software needs and support deployment activities Apply system hardening guidelines and maintain patch levels Assist Cyber Security Specialists during incident response Support routine maintenance and maintain inventory records Support backup and restore operations, backup health checks, and database-related restores Manage assigned tasks and tickets, ensuring timely completion of incidents, changes, and service requests Maintain documentation for system configurations, procedures, and operational best practices Follow standard procedures for recurring operational activities Requirements Must be a U.S. Citizen Public Trust (Tier 4) clearance required 2–4 years of experience as a Systems Administrator supporting both Linux (Red Hat Enterprise Linux) and Windows environments Experience working in multi-platform environments and following established SOPs and technical guidance Understanding of network protocols, cybersecurity fundamentals, and system performance concepts Experience with system lifecycle management, patching, and routine updates Familiarity with Bash, Python, PowerShell, or Ansible Experience supporting cloud services or virtualized environments, including VMware, Azure, or AWS Ability to work independently and collaborate with team members and stakeholders Experience creating or updating technical documentation Familiarity with ITSM platforms such as ServiceNow Working knowledge of the listed operating systems, virtualization, servers, cloud platforms, scripting, networking, package deployment, remote management, monitoring, backup, identity management, PIV/key management, collaboration, and ticketing tools and technologies Must be able to lift up to 25 lbs. Must be able to bend, stretch, squat, and kneel to move equipment and set up workstations Must present acceptable identification for customer badging and site access, such as a REAL ID-compliant driver license, U.S. Passport, or other approved GSA document Core Competencies Demonstrates expertise in Systems Administration across Linux and Windows environments, with a strong focus on system performance, cybersecurity compliance, and operational best practices. Proficient in managing infrastructure platforms, troubleshooting issues, and maintaining documentation for system configurations. Highest-signal resume keywords Linux Systems Administration Windows Systems Administration Cloud Services Support System Lifecycle Management Cybersecurity Fundamentals Hard Skills Linux (Red Hat Enterprise Linux) Windows Bash Python PowerShell Ansible VMware Azure AWS System Hardening Soft Skills Collaboration Independent Work Documentation Skills Certifications & Qualifications Public Trust (Tier 4) Clearance Industry Keywords Infrastructure Support Change Management Network Protocols System Performance Operational Best Practices Tools & Technologies ServiceNow Monitoring Tools Backup Solutions ITSM Platforms Virtualization Tools #J-18808-Ljbffr