Linux Systems Engineer — RHEL, Automation, DoD Infra

ManTech; Florida; On-site; USD 90,000 - 130,000; Full time

Job summary

MANTECH seeks a motivated Linux Systems Engineer for our team in Doral, FL. The role focuses on designing, installing, and maintaining Red Hat Enterprise Linux and related infrastructure in a security-conscious environment.

Responsibilities include patch management, automation with Bash, Python, or Ansible, and documenting complex infrastructure. Must hold active security clearances and possess DoD-aligned experience.

Qualifications

• Bachelor’s degree with 3+ years experience or higher as stated.
• Master’s degree with 2+ years relevant experience.
• Associate’s degree with 5+ years experience.
• High school diploma with 7+ years experience.
• Strong automation and scripting using Bash, Python, or Ansible.
• Experience maintaining baselines and patch schedules.
• Experience documenting complex infrastructure diagrams.

Responsibilities

• Designing, installing, configuring, and maintaining RHEL and other Enterprise Linux server operating systems.
• Managing enterprise Linux infrastructure, system patch management, performance monitoring, and system administration workflows.
• Collaborating with cross-functional technical teams, network engineers, and system architects to ensure system availability and secure baseline integration.
• Troubleshooting complex system hardware, operating system errors, software dependencies, and network connectivity issues.
• Automating routine system administration tasks using scripting languages and configuration management frameworks (e.g., Ansible, Bash, Python).
• Maintaining system baselines, configuration management controls, and comprehensive engineering documentation.

Skills

Bash scripting

Python scripting

Ansible

Education

Bachelor’s degree in CS/IT/Systems Eng or related field

Master’s degree

Associate’s degree

High school diploma

Tools

RHEL

VMware

Docker

Kubernetes

Job description

MANTECH seeks a motivated Linux Systems Engineer for our team in Doral, FL. The role focuses on designing, installing, and maintaining Red Hat Enterprise Linux and related infrastructure in a security-conscious environment.

Responsibilities include patch management, automation with Bash, Python, or Ansible, and documenting complex infrastructure. Must hold active security clearances and possess DoD-aligned experience.