Linux Systems Engineer

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, 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.

MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at [e-mail] and provide your name and contact information.