Linux System Administrator

2 days ago


Columbia, United States ManTech Full time
Job Summary

We are seeking a highly skilled and experienced Linux System Administrator to join our team at ManTech International Corporation. As a key member of our IT infrastructure team, you will be responsible for ensuring the security, reliability, and efficiency of our Linux-based systems and networks.

Key Responsibilities
  • System Administration: Install, configure, and maintain Linux servers and workstations, ensuring they meet the required security and compliance standards.
  • Network Security: Implement and monitor network security measures to prevent unauthorized access and ensure data integrity.
  • System Hardening: Assess and harden Linux systems to prevent vulnerabilities and ensure compliance with industry standards.
  • Troubleshooting: Identify and resolve system and network issues in a timely and efficient manner.
  • Documentation: Maintain accurate and up-to-date documentation of system configurations, security measures, and troubleshooting procedures.
Requirements
  • Experience: 10+ years of experience in Linux system administration, network security, and system hardening.
  • Education: Bachelor's degree in Computer Science, Information Technology, or a related field.
  • Certifications: IAT Level II certification or higher, such as Security+ (Sec+).
  • Skills: Strong knowledge of Linux systems, network security protocols, and system hardening techniques.
Preferred Qualifications
  • Elastic Stack Configuration: Experience with Elastic (ELK) Stack configuration and user experience.
  • PowerShell Scripting: Experience with PowerShell scripting to automate system administration and troubleshooting tasks.
  • Software Installation and Troubleshooting: Experience with installing, integrating, and troubleshooting GOTS/COTS software applications on Windows and Linux servers.
Security Clearance Requirements
  • TS/SCI with Polygraph: Current and active TS/SCI with Polygraph clearance.


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