Senior Linux SysAdmin - RHEL, VMware, DoD Lab

dobbsdefensesolutions; Fort Meade (MD); On-site; USD 95,000 - 120,000; Full time

Job summary

Dobbs Defense Solutions is seeking a Linux System Administrator to support the Fort George G. Meade DoD lab, administering and securing RHEL systems while coordinating with government personnel and mission customers.

The role involves applying DISA STIGs, scanning for vulnerabilities with ACAS/Nessus, and maintaining VMware 6.7 environments, with on-site work and a active Secret clearance requirement.

Qualifications

• 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).

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.

Skills

Linux admin

RHEL 9

DNS

IPv6

Windows AD

ACAS

Security Center

Vulnerability remediation

Education

Security+ or CISSP or CISM

Tools

VMware 6.7

ACAS

Nessus

SCAP

DNS management

Active Directory

Job description

Dobbs Defense Solutions is seeking a Linux System Administrator to support the Fort George G. Meade DoD lab, administering and securing RHEL systems while coordinating with government personnel and mission customers.

The role involves applying DISA STIGs, scanning for vulnerabilities with ACAS/Nessus, and maintaining VMware 6.7 environments, with on-site work and a active Secret clearance requirement.