Linux Systems Engineer

MANTECH seeks a motivated, career and customer-oriented Linux Systems Engineer to join our team in Doral, FL.Responsibilities Include But Are Not Limited ToDesigning, 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 QualificationsBachelor’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 experienceOR an associate’s degree and 5+ or more years of relevant experienceOR a high school diploma and 7+ or more years of relevant experienceStrong 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 QualificationsRelevant 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 RequirementsMust hold a current/active secret security clearance.Must be eligible to obtain and maintain a TS/SCI clearance.Physical RequirementsMust 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.