Overview 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. Responsibilities 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. Qualifications • 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 Pay Transparency Statement AMERICAN SYSTEMS is committed to pay transparency for our applicants and employee-owners. The salary range for this position is USD $130,000.00/Yr. - USD $150,000/Yr. Actual compensation will be determined based on several factors permitted by law. AMERICAN SYSTEMS provides for the welfare of its employees and their dependents through a comprehensive benefits program by offering healthcare benefits, paid leave, retirement plans, insurance programs, and education and training assistance. EEO Statement EEO Race/Sex/Disability Status/Veteran Status