✦ Luna Orbit — System Administration

Senior System Administrator

at TISTA Science and Technology Corporation

📍 Remote, US Remote 💰 $52K – $72K USD / year Posted March 12, 2026
Salary $52K – $72K USD / year
Type Not Specified
Experience senior
Exp. Years 8+ years
Education Bachelor’s in computer science, electronics engineering or related technical discipline
Category System Administration

This role involves managing and automating RHEL server environments, ensuring security, and supporting system stability in a remote setting. The senior system administrator will handle scripting, security protocols, and system monitoring.

  • Manage RHEL servers
  • Automate tasks with scripts
  • Implement security protocols
  • Monitor system performance
  • Use Red Hat Satellite for updates

The technical environment includes RHEL 7/8/9, Bash, Python, Ansible, SELinux, firewalls, and Red Hat Satellite, with a focus on automation, security, and system performance.

The ideal candidate is a senior system administrator with extensive experience managing RHEL servers, automating tasks with scripting and Ansible, and implementing security protocols. They should have a strong background in troubleshooting and system performance monitoring.

Expertise in RHEL 7/8/9Shell scripting (BashPython)Automation tools (Ansible)Security protocols (SELinuxfirewalls)Experience with Red Hat SatelliteSystem performance monitoring
Container technology (PodmanDocker)Experience with cloud platforms (AWSAzure)Development of automation scripts
Red Hat SatelliteAnsibleBashPythonPodmanDockerAWSAzure
RHELRed Hat Enterprise LinuxLinuxShell scriptingBashPythonAnsibleSecurity protocolsSELinuxFirewallsACLsUser permissionsLogical volumesFile systemsBackupsRed Hat Satellite
RHELRed Hat Enterprise LinuxLinuxShell scriptingBashPythonAnsibleSecurity protocolsSELinuxFirewallsACLsUser permissionsLogical volumesFile systemsBackupsRed Hat Satellite
TroubleshootingAutomationProblem-solvingTechnical assistanceMonitoring
Industry Government/Public Sector
Job Function Senior Linux system administration and automation
Clearance Required Tier 4/HIGH Background Investigation
RHELRed Hat Enterprise LinuxLinuxShell scriptingBashPythonAnsibleSecurity protocolsSELinuxFirewallsACLsUser permissionsLogical volumesFile systemsBackupsRed Hat SatelliteAutomationTroubleshootingSystem performanceContainer technologyPodmanDockerAWSAzure

Lack of experience with RHEL 7/8/9, No scripting or automation skills, Inability to pass Tier 4/HIGH background check, No experience with Red Hat Satellite, Unwillingness to work remotely

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