Systems Administrator, Senior | Top Secret clearance w/SCI eligibility

AMERICAN SYSTEMS, a 100% employee-owned federal government contractor, is seeking a motivated, customer-focused Senior Systems Administrator to provide Tier II operational support for a high-visibility customer mission.

In this full-time, onsite first-shift role, you will help maintain the availability, performance, security, and reliability of a complex enterprise IT environment within an Enterprise Operations Center (EOC) in Chantilly, VA.*

*This role is anticipated to relocate to Arlington, VA, at a future date.

As a Senior Systems Administrator with AMERICAN SYSTEMS, you will:

Provide Tier II systems administration and operational support for a secure enterprise environment.
• Monitor, troubleshoot, and resolve system availability, performance, security, and configuration issues.
• Administer and support key technologies, including:
  • VMware vCenter, Horizon View, and Site Recovery Manager
  • SolarWinds, Cisco Catalyst Center (DNAC), and GEMOne
  • HP SANs and enterprise storage platforms
  • MS Certificate Services, PKI, Active Directory, Group Policy, DNS, and DHCP
  • MS Windows Server and desktop operating systems
  • Backup, recovery, endpoint protection, and systems-management tools
• Maintain the health, performance, and availability of multi-user systems.
• Partner with network, cybersecurity, engineering, service desk, and customer teams to resolve operational issues.
• Analyze requirements and support the integration, configuration, and sustainment of supported platforms.
• Participate in ITIL service management, including incident, problem, and change management activities.
• Prepare, document, and execute approved change requests.
• Develop and maintain Standard Operating Procedures (SOPs), knowledge articles, and technical documentation.
• Support project and engineering teams with testing, packaging, release preparation, and production integration.
• Apply applicable security requirements, hardening guidance, and operational best practices.
• Provide technical guidance to junior Systems Administrators and Systems Engineers.
• Participate in shift turnover and document incidents, actions taken, and outstanding risks.

• Active Top Secret clearance with SCI eligibility.
• One of the following combinations of education and experience:
  • Bachelor's degree and 5+ years of systems support or administration experience
  • Associate's degree and 7+ years of relevant experience
  • High school diploma and 11+ years of relevant experience
• Current DoD 8140 IAT Level II certification, such as Security+ CE.
• Ability to obtain a DoD 8140 computing-environment certification within 6 months of hire, such as MCSA, VCP, or equivalent.
• Experience supporting Microsoft Windows environments, including Windows Server 2008-2022, Windows 10/11, Exchange, Active Directory, DNS, Group Policy, PKI, workstation/server hardware, backup, antivirus, DHCP, and TCP/IP.
• Working knowledge of VMware and Cisco systems, including vSphere or Horizon View, Cisco networking devices, and TACLANE encryption devices