Systems Administrator (Linux / RHEL)

General Dynamics

Confirmed live yesterday High trust

Quick summary

Work type
On-site
Location
MacDill AFB, FLTampa, FL
Salary
$89,250–$120,750 / yr
Posted
49 days ago
Freshness
Confirmed live yesterday

Market check

Salary context

Below market

How this pay compares to similar roles

Similar $133k
This role $105k
$81k $168k
below market most similar roles pay here above market

This role pays less than 77% of similar roles. Most pay $107,500–$159,287 — the blue band above. At the midpoint, this role pays about $105k versus about $133k for comparable roles.

Based on 240 similar postings.

Employer

About General Dynamics

General Dynamics is a global aerospace and defense company offering a broad portfolio of products and services in business aviation, ship construction, land combat vehicles, and information technology. It serves customers in the U.S. government, allied governments, and a diverse array of commercial markets.

General Dynamics currently has 1364 open roles on FindRole.

Listed pay typically runs $124,093–$150,385 across 1165 roles with salary data.

Most-posted roles

View all roles at General Dynamics

At a glance

TL;DR · Systems Administrator (Linux / RHEL)

The Systems Administrator (Linux / RHEL) joins the IT Infrastructure and Operations team to secure and maintain enterprise Red Hat Enterprise Linux and Unix-based operating systems. This role involves the technical execution of system hardening, patching, identity integration, and vulnerability remediation to meet Department of War cybersecurity standards for CORA cyber inspections. You will perform hands-on remediation using ACAS, Tenable, and OpenSCAP to manage RHEL 8/9 systems. Key responsibilities include enforcing SELinux, managing PAM, SSSD, and PKI/CAC authentication, and configuring host-based firewalls. You will utilize YUM, DNF, Red Hat Satellite, Bash, and Ansible to automate STIG hardening and deploy security errata across restricted networks. The position requires expertise in Linux command-line operations, package patching, and compiling technical evidence for compliance audits.

What does a Systems Administrator earn?

Median $112000 from 51 postings across 5 companies.

See salary data

What you'll do

  • Remediate security findings from ACAS and OpenSCAP reports by patching and hardening RHEL 8/9 systems.
  • Implement and maintain compliance with DISA STIGs, Cyber Tasking Orders, and IAVM notices.
  • Configure and enforce mandatory access controls using SELinux in enforcing mode.
  • Manage central identity, PAM, SSSD, and DoW PKI/CAC authentication mechanisms.
  • Configure host-based firewalls and audit daemon logging to meet DoW requirements.
  • Deploy security errata and software updates using YUM/DNF, Red Hat Satellite, or local repositories.
  • Develop Bash and Ansible playbooks to automate STIG hardening and compliance validation.
  • Compile technical evidence and OpenSCAP reports for CORA inspection teams.

What we're looking for

  • Must be a US Citizen.
  • Must currently possess an active Secret security clearance.
  • Must be able to obtain a Top Secret/SCI security clearance.
  • Must have 3+ years of related experience.
  • Must have a Bachelor's Degree in a related discipline OR 3 years of experience administering and hardening Red Hat Enterprise Linux (RHEL) environments.
  • Must possess an applicable Intermediate DoW 8140 or 8570 Certification (e.g., Security+ CE, CySA+, Linux+, or SSCP).
  • Must have direct experience in Linux system administration, command-line operations, user management, and package patching.
  • Must have hands-on experience applying DISA STIGs to RHEL systems using SCAP Compliance Checker or OpenSCAP.

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