Linux Systems Admin - Secret Clearance, RHEL/VMware

Dobbs Defense Solutions; Fort Meade (MD); On-site; USD 90,000 - 120,000; Full time

Job summary

Dobbs Defense Solutions seeks a Linux System Administrator to support Fort Meade DoD lab environments by administering and securing RHEL systems. You will work with Government personnel on classified networks, implement STIGs, and coordinate with Windows/AD domain services as needed.

Ideal candidates have 5+ years of Linux experience on RHEL 9, 3–5 years in VMware 6.7 and ACAS, and hold an active security certification. On-site role requiring Active Secret clearance and a strong security posture.

Qualifications

• 5+ years Linux administration experience, specifically on RHEL 9.
• 3–5 years VMware 6.7, DNS, IPv6, and Windows/AD in enterprise environments.
• 3–5 years ACAS experience with Security Center and remediation.

Responsibilities

• Install, configure, secure, and troubleshoot RHEL systems.
• Manage YUM servers and internal package repositories.
• Apply DISA STIGs, run SCAP scans, and implement remediations.
• Conduct ACAS/Nessus vulnerability scans and support patching.
• Support DNS and IPv6 configuration; cross-platform with Windows/AD.
• Operate systems on SIPR and other classified networks per DoD security requirements.

Skills

RHEL 9

VMware 6.7

DNS & IPv6

Windows/AD

Education

Active security certification

Tools

ACAS/SCAP

Job description

Dobbs Defense Solutions seeks a Linux System Administrator to support Fort Meade DoD lab environments by administering and securing RHEL systems. You will work with Government personnel on classified networks, implement STIGs, and coordinate with Windows/AD domain services as needed.

Ideal candidates have 5+ years of Linux experience on RHEL 9, 3–5 years in VMware 6.7 and ACAS, and hold an active security certification. On-site role requiring Active Secret clearance and a strong security posture.