Linux Systems Engineer

MANTECH seeks a motivated, career and customer-oriented Linux Systems Engineer to join our team in Doral, FL
.

• Designing, installing, configuring, and maintaining Red Hat Enterprise Linux (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.

• Bachelor’s degree in Computer Science, Information Technology, Systems Engineering, or a related field with 3+ years of experience.
• OR a master’s degree and 2+ or more years of relevant experience
• OR an associate’s degree and 5+ or more years of relevant experience
• OR a high school diploma and 7+ or more years of relevant experience
• Strong background in writing automation and scripting tools using Bash, Python, or Ansible.
• Experience maintaining system baselines, system patching schedules, and central repository management controls.
• Experience creating, maintaining, and communicating complex technical documentation and infrastructure diagrams.

• Relevant industry certifications such as Red Hat Certified System Administrator (RHCSA), Red Hat Certified Engineer (RHCE), or CompTIA Linux+.
• Prior experience supporting U.S. Military Command operations or Department of Defense enterprise technical environments.
• Familiarity with enterprise storage solutions (SAN/NAS), virtualized environments (VMware), and containerization technologies (Docker, Kubernetes).
• Knowledge of DoD STIG implementation, security baseline compliance, and automated auditing tools.

• Must hold a current/active secret security clearance.
• Must be eligible to obtain and maintain a TS/SCI clearance.

• Must be able to remain in a stationary position 50%.
• Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
• Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.