Linux System Administrator

Dobbs Defense Solutions, LLC•Fort Meade, MD

2d•Onsite

About The Position

Dobbs Defense Solutions is seeking a Linux System Administrator to provide technical support to 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. Dobbs Defense delivers mission-centric IT, Cyber, and data analytics solutions for government and commercial clients through the convergence of automation, innovation, training, and education.

Requirements

Minimum 5 years of Linux system administration experience.
Strong Red Hat Enterprise Linux (RHEL) administration, patching, and troubleshooting background.
Experience with YUM, DISA STIGs, SCAP, and ACAS/Nessus.
Familiarity with DNS, IPv6, VMware 6.7, and Windows/AD environments.
Previous experience working in classified DoD environments and SIPR, classified environment experience.
Active Security+ CE certification.
YUM Server configurations and administration experience
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.
Maintain system documentation, procedures, and configuration records.
Work collaboratively with Government staff, lab engineers, and end customers.