Senior Linux Systems Engineer - TS/SCI with Poly

MANTECH; Laurel (MD); On-site; USD 120,000 - 165,000; Full time

Job summary

MANTECH seeks a motivated, career and customer-oriented Linux System Administrator to join our team in Laurel, MD. The role emphasizes configuring, managing and troubleshooting Linux systems and supporting IT infrastructure across multiple platforms.

Responsibilities include system optimization, troubleshooting, and ensuring high reliability of client/server/storage/network components, with a focus on DoD standards and security controls.

Qualifications

• 12+ years of systems administration experience with a bachelor’s degree.
• Proficiency troubleshooting in a Linux Red Hat environment.
• Extensive experience with VMware and modern automation tools such as Splunk and Ansible.
• IAT I certification (DoD 8140) required within 60 days of starting employment; acceptable certifications include A+ CE/CCNA‑Security/CND/Network+ CE/CySA+/GICSP/GSEC/Security+ CE/CND/SSCP)

Responsibilities

• Configure, manage and troubleshoot Linux operating systems.
• Provides support for implementation, troubleshooting and maintenance of IT systems.
• Manage IT system infrastructure and processes related to these systems.
• Provide support to IT systems including day-to-day operations, monitoring and problem resolution for client/server/storage/network devices, mobile devices, etc.
• Provide support for the dispatch system and hardware problems and participate in resolution process.
• Optimize system operations and resource utilization and perform system capacity analysis and planning.
• Analyze and resolve complex problems associated with server hardware, applications and software integration.

Skills

Linux administration

Troubleshooting

System integration

Education

Bachelor’s degree in a technical discipline

Associate’s degree

High school diploma with 20 years experience

Tools

VMware

Splunk

Ansible

Job description

MANTECH seeks a motivated, career and customer-oriented Linux System Administrator to join our team in Laurel, MD. The role emphasizes configuring, managing and troubleshooting Linux systems and supporting IT infrastructure across multiple platforms.

Responsibilities include system optimization, troubleshooting, and ensuring high reliability of client/server/storage/network components, with a focus on DoD standards and security controls.