Senior Systems Admin - Top Secret Clearance, On-Site

S2i2 Inc; Arlington (VA); On-site; USD 100,000 - 106,000; Full time

Job summary

S2i2 Inc is hiring a Senior Systems Administrator for our Pentagon-area, Arlington, VA on-site site. You will ensure operational stability, security, and maintenance of server and network systems in the DISA JSP environment.Responsibilities include configuring Windows servers, managing Active Directory, DNS, DHCP, VMware, patching, log monitoring, backups, and DIARMF compliance.

The role requires Active clearance and willingness to work nights/weekends if needed.

Qualifications

• Active clearance (Secret or Top-Secret) is required.
• DoD 8140/8570 IAT II (Security+ CE or higher) certified.
• Bachelor's degree in IT or engineering.
• Minimum 5 years of Windows server administration experience.
• Experience with AD/DNS/DHCP and VMware.
• Experience patching and maintaining DoD STIGs.
• Enterprise workstations, servers, and VMs support.
• Understanding of DIARMF will help.
• Ability to work nights/weekends if needed.

Responsibilities

• Perform day-to-day maintenance of servers and networks, review audit logs and backups.
• Ensure server/workstation security, apply patches and STIGs.
• Install and configure Windows Server OS and services.
• Manage Active Directory, DNS, DHCP and VMware configurations.
• Provide technical support for workstations, servers, and VMs.
• Monitor system health and respond to incidents during the shift.
• Maintain configuration and process documentation.
• Support DIARMF activities and cybersecurity standards.
• Serve as a technical resource for junior admins on shift.

Skills

Clearance

Windows Server

Active Directory

DNS/DHCP

VMware

DIARMF

Patch management

Shift work

Education

B.S. in IT/engineering

Tools

ACAS

HBSS

Tanium

Remedy ITSM

PowerShell

Job description

S2i2 Inc is hiring a Senior Systems Administrator for our Pentagon-area, Arlington, VA on-site site. You will ensure operational stability, security, and maintenance of server and network systems in the DISA JSP environment.Responsibilities include configuring Windows servers, managing Active Directory, DNS, DHCP, VMware, patching, log monitoring, backups, and DIARMF compliance.

The role requires Active clearance and willingness to work nights/weekends if needed.