Linux System Administrator

Dobbs Defense Solutions, LLC•Fort Meade, MD
•Onsite

About The Position

Dobbs Defense Solutions is seeking a Linux System Administrator to provide technical support to the Fort George G. Meade. The role includes administering and securing RHEL systems in a classified DoD lab, supporting test environments, and working directly with Government personnel and mission customers.

Requirements

  • 5+ years of hands-on Linux administration experience, specifically with RHEL 9
  • 3–5 years of VMware 6.7, DNS, IPv6, and Windows/AD experience in enterprise environments
  • 3–5 years of ACAS experience, including Security Center and vulnerability remediation
  • At least one active certification (e.g., Security+, CISSP, CISM, CASP, or equivalent)
  • Active Secret Clearance

Responsibilities

  • Install, configure, secure, and troubleshoot Red Hat Enterprise Linux (RHEL) systems.
  • Manage and maintain YUM servers and internal package repositories.
  • Apply DISA STIGs, run SCAP scans, and implement remediations.
  • Conduct ACAS/Nessus vulnerability scans and support RHEL patching and compliance.
  • Provide limited support for DNS and IPv6 configuration.
  • Perform basic administration within VMware 6.7 environments.
  • Support cross platform coordination with Windows Server 2016, Active Directory, and domain services.
  • Operate systems on SIPR and other classified networks while adhering to all DoD security requirements.
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service