ISSE: Linux/RHEL Security Engineer

VulnU; Sterling (VA); On-site; USD 87,000 - 182,000; Full time

Benefits offered by this job

Flexible PTO

Learning budget

Job summary

CACI in Sterling, VA is seeking a Linux-focused Information Systems Security Engineer (ISSE) to design, implement, and sustain secure Red Hat Enterprise Linux environments within classified networks. The role emphasizes RMF compliance, DISA STIGs, and hands-on hardening.

You will collaborate with systems, network, software, and DevOps engineers to integrate security throughout the SDLC, develop automation scripts in Bash or Python, and support RMF A&A activities to achieve and maintain ATO.

Qualifications

• Bachelor's degree in a technical discipline or equivalent experience.

Responsibilities

• Perform hands-on security engineering, configuration, troubleshooting, and hardening of Red Hat Enterprise Linux (RHEL) systems.

Skills

RMF knowledge

NIST 800-53

Shell scripting

Python

SCAP scanning

DISA STIGs

SSH/SELinux

ATO lifecycle

Security automation

Education

Bachelor's degree in a technical discipline

RHCSA/RHCE

DoD 8570/8140 IAT II certification

Tools

Puppet/Ansible

Red Hat Satellite/IdM

ACAS/Nessus/SCAP tools

Git/GitLab

Job description

CACI in Sterling, VA is seeking a Linux-focused Information Systems Security Engineer (ISSE) to design, implement, and sustain secure Red Hat Enterprise Linux environments within classified networks. The role emphasizes RMF compliance, DISA STIGs, and hands-on hardening.

You will collaborate with systems, network, software, and DevOps engineers to integrate security throughout the SDLC, develop automation scripts in Bash or Python, and support RMF A&A activities to achieve and maintain ATO.