Systems Administrator I: Domain & Server (Secret Clearance Eligible)

AMERICAN SYSTEMS; Manassas (VA); On-site; USD 90,000 - 130,000; Full time

Job summary

AMERICAN SYSTEMS is hiring a Systems Administrator I (Domain & Server) in Manassas, VA. The role focuses on foundational administration of enterprise IT infrastructure, including Windows and Linux servers, Active Directory, DNS, DHCP, and domain services.

You will support virtualization (NUTANIX, VMware, Hyper‑V), storage, backup, and recovery, while adhering to security and compliance requirements. You will collaborate with cross‑functional teams to ensure system availability, apply patches,

Qualifications

• U.S. Citizen per 8 U.S.C. 1324b(a)(2)(C).
• Active Secret clearance with ability to obtain Top Secret with SCI eligibility.
• 1–3 years of systems administration or related IT support.
• Current 8570/8140 IAT Level II Certification (CCNA Security, CySA+, GICSP, GSEC, Security+ CE, CND, SSCP).
• Foundational knowledge of server administration and enterprise infrastructure support.
• Familiarity with Active Directory, DNS, DHCP, and Group Policy.
• Familiarity with storage, backup, and recovery concepts.
• Exposure to automation and monitoring tools (PowerShell, Splunk).

Responsibilities

• Provide foundational administration, maintenance, and technical support for enterprise IT infrastructure.
• Assist with Active Directory, Exchange, DNS, DHCP, and domain services.
• Support Windows and Linux servers for performance, security, and availability.
• Assist with virtualization environments and hosted systems.
• Create and update system configuration and troubleshooting documentation.
• Coordinate with cross-functional teams to meet technology needs.
• Troubleshoot routine issues and escalate complex incidents.

Skills

Active Directory

DNS

DHCP

Group Policy

PowerShell

Ansible

Terraform

VMware

Hyper-V

Cloud platforms (AWS/Azure/GCP)

Splunk

Git

Troubleshooting

Team collaboration

Tools

NUTANIX

VMware

Hyper-V

Job description

AMERICAN SYSTEMS is hiring a Systems Administrator I (Domain & Server) in Manassas, VA. The role focuses on foundational administration of enterprise IT infrastructure, including Windows and Linux servers, Active Directory, DNS, DHCP, and domain services.

You will support virtualization (NUTANIX, VMware, Hyper‑V), storage, backup, and recovery, while adhering to security and compliance requirements. You will collaborate with cross‑functional teams to ensure system availability, apply patches,