Domain & Server Systems Administrator II

AMERICAN SYSTEMS; Manassas (VA); On-site; USD 90,000 - 110,000; Full time

Benefits offered by this job

Healthcare benefits

Paid leave

Retirement plans

Education and training assistance

Employee-owned company

Job summary

AMERICAN SYSTEMS seeks a Systems Administrator II to manage enterprise IT infrastructure, including Windows and Linux servers, Active Directory, DNS, and DHCP. You will support virtualization, storage, and backups while applying security controls per policy.

Responsibilities include system upgrades, disaster recovery planning, and cross-team collaboration to ensure high availability and performance in a fast-paced government contracting environment.

Qualifications

• Active security clearance required (Secret; Top Secret with SCI preferred).
• 3–5 years of systems administration experience in Windows and Linux.
• Current IAT Level II certification as listed.

Responsibilities

• Administer and maintain Windows and Linux servers for availability and stability.
• Manage AD, DNS, DHCP, and Group Policy in enterprise environments.
• Support virtualization (VMware/Hyper-V/Nutanix) and storage (SAN/NAS).
• Implement security controls and conduct vulnerability remediation per policy.
• Develop documentation for configurations, procedures, and troubleshooting.
• Collaborate across network, security, and application teams to optimize operations.

Skills

US Citizenship

Systems administration

Windows and Linux

Independence with multitasking

Troubleshooting

Strong communication

Education

8570/8140 IAT Level II Certification

Tools

PowerShell

Ansible

Terraform

VMware

Hyper-V

Nutanix

Git

Splunk

Cloud platforms (AWS/Azure/GCP)

Job description

AMERICAN SYSTEMS seeks a Systems Administrator II to manage enterprise IT infrastructure, including Windows and Linux servers, Active Directory, DNS, and DHCP. You will support virtualization, storage, and backups while applying security controls per policy.

Responsibilities include system upgrades, disaster recovery planning, and cross-team collaboration to ensure high availability and performance in a fast-paced government contracting environment.