Tier II Linux Administrator - TS/SCI + Polygraph

General Dynamics Information Technology, Inc.; Springfield (VA); On-site; USD 90,000 - 120,000; Full time

Job summary

General Dynamics Information Technology, Inc. is seeking a Tier II Linux Administrator to support a Federal intelligence contract in Springfield, VA. The role emphasizes maintaining large Enterprise environments and cross-platform systems administration.

The candidate will work with Windows and Linux infrastructure, require TS/SCI with Polygraph, and hold applicable DoD IA certifications. A strong emphasis on incident resolution, proactive monitoring, and collaboration with distributed teams is

Qualifications

• 5+ years of related systems administration experience TS/SCI with Polygraph is required.
• DoD IA Certification (e.g., Security+ CE, SSCP, or CCNA-Security) required or attainable.
• DoD 8570 CE Training within six months of hire.

Responsibilities

• Provide Tier II support for Windows and Linux environments across enterprise systems.
• Troubleshoot incidents and implement short-term workarounds and long-term solutions.
• Collaborate with Tier 2/3 teams across geographically dispersed sites.
• Communicate effectively with diverse team members in oral and written form.
• Participate in special projects as needed.

Skills

Linux Environments

Red Hat Enterprise Linux (RHEL)

System Administration

Windows Administration

Security Certification Awareness

Education

Bachelor's Degree in Computer Science or related

Tools

Active Directory

DNS

DHCP

Samba

NFS

VMware

Job description

General Dynamics Information Technology, Inc. is seeking a Tier II Linux Administrator to support a Federal intelligence contract in Springfield, VA. The role emphasizes maintaining large Enterprise environments and cross-platform systems administration.

The candidate will work with Windows and Linux infrastructure, require TS/SCI with Polygraph, and hold applicable DoD IA certifications. A strong emphasis on incident resolution, proactive monitoring, and collaboration with distributed teams is