Linux Systems Administrator, Senior - Top Secret Clearance Required

AMERICAN SYSTEMS-posted 3 months ago
$80,100 - $133,700/Yr
Mid Level
Crane, IN
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AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. As a Senior Linux Systems administrator with AMERICAN SYSTEMS, you will have the opportunity to support on-premises Production and Development Linux infrastructure and applications, providing Tier II support for production and development environments, managing ticket submission and tracking. You will monitor resource availability to meet customer requirements, ensuring sufficient hardware, software, and throughput, and review and optimize system performance to ensure peak efficiency and reliability for mission-critical applications.

  • Support on-premises Production and Development Linux infrastructure and applications.
  • Provide Tier II support for production and development environments, managing ticket submission and tracking.
  • Monitor resource availability to meet customer requirements, ensuring sufficient hardware, software, and throughput.
  • Review and optimize system performance to ensure peak efficiency and reliability for mission-critical applications.
  • Analyze system resource usage and apply corrective actions when necessary.
  • Review system and application logs, ensuring completion of scheduled tasks and backups.
  • Create and manage user accounts, groups, and permissions; maintain local repositories.
  • Perform interface administration, including sFTP, SFG, and shell scripting.
  • Develop and maintain administrative scripts (e.g., BASH, Python) for system maintenance.
  • Document and implement system administration solutions to meet business requirements.
  • Provide project status updates, problem resolution, and system administration reports to management.
  • Coordinate problem resolution with customers, team members, and vendors as needed.
  • Assess and recommend improvements for system software and hardware to enhance efficiency and functionality.
  • Collaborate with the Cybersecurity team to implement, monitor, and maintain cybersecurity compliance and vulnerability mitigations.
  • Mentor and/or train less experienced staff as part of team development efforts.
  • Active Top Secret clearance required
  • Bachelor's degree in a STEM discipline or 4 additional years of relevant experience in lieu of a degree.
  • 5-7 years of relevant IT / Linux Systems Administration experience, including knowledge of containerization (Podman/Docker), Ansible, and OpenLDAP.
  • Current DoD 8140 IAT level II certification (e.g., Security+ CE)
  • Scripting skills in BASH and Python.
  • Experience with VMware vSphere (version 7 or above).
  • Familiarity with PostgreSQL databases.
  • Must obtain a Red Hat Linux or comparable Linux Server OS certification (e.g., RHCSA or RHCE) within six months of hire.
  • Candidates who currently possess active Red Hat certifications may be considered favorably during the selection process.
  • Healthcare benefits
  • Paid leave
  • Retirement plans
  • Insurance programs
  • Education and training assistance
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