System Administrator with Security Clearance

Cornerstone Defense · Herndon, VA · 3 wk ago

Information TechnologyFull-time

Support a small group of end users who use our system and several other systems that we support
Monitor system performance and troubleshoot issues, sometimes under time pressure
Analyze system performance, identify bottlenecks, and document proposed optimizations to improve overall system efficiency and responsiveness
Maintain accurate documentation of system configurations, procedures, and troubleshooting steps
Interface with customers and represent the entire System Admin Team during high impact operations

5+ years of related work experience
Experience in System Administration (i.e. Linux/Unix or Windows platforms)
Experience in communicating with customer representatives in a variety of forums, in both written and spoken form, regarding technical subjects
Willingness to successfully complete on-the-job (OJT) training to confirm ability to perform assigned duties and tasks
Willingness and ability to work variable shifts, including days, nights, weekends, and holidays

Experience managing and maintaining servers, workstations, and related infrastructure components
Experience with Active Directory, Group Policy, DNS, DHCP, and other core services.
Advanced troubleshooting skills and problem-solving abilities and able to diagnose and resolve complex technical issues
Expertise in on-premises virtualization (AHV, VMWare ESXi, Hyper-V, etc.) or cloud expertise (AWS or Azure)
Experience with VDI infrastructure, monitoring infrastructure, securing infrastructure
Experience with documenting technical details in Confluence and task tracking in Jira
Cloud, INFOSEC, or any recent IT certifications
Previous shift-work experience

Similar jobs