Linux Systems Engineer — Doral, FL

mG3ENN is collaborating with MANTECH to connect them with exceptional professionals for this role.

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

Responsibilities Include But Are Not Limited To

• 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.

Minimum Qualifications

• 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.

Preferred Qualifications

• 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.

Clearance Requirements

• Must hold a current/active secret security clearance.

• Must be eligible to obtain and maintain a TS/SCI clearance.

Physical Requirements

• 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.