System Administrator

Description

 The System Administrator provides Tier-3 operational and maintenance support for enterprise IT and data center monitoring systems. This role ensures system availability, security compliance, and continuous monitoring across regional and global infrastructures.

Key Responsibilities

• Administer and maintain enterprise monitoring and logging platforms including:
   
  • Nagios (multi-region)
     
  • NetFlow/sFlow collectors
     
  • HP Network Node Manager (HPNMi)
     
  • HP Network Automation (HPNA)
     
  • Syslog and Cribl
     
• Maintain regional and global instances to ensure continuous availability and mission support.
   
• Perform system scaling, configuration changes, and performance tuning as operational requirements evolve.
   
• Execute patching and upgrades of applications and systems for:
   
  • Security compliance
     
  • Bug remediation
    
     
• Provide advanced troubleshooting and root cause analysis for mission-impacting incidents.
   
• Assist with alert tuning, false positive reduction, and onboarding of new monitoring alerts.
   
• Support enterprise environmental logging and monitoring infrastructures to meet uptime SLAs.
   
• Track incidents, service requests, and changes
   
• Support log retention, storage, and restoration processes.
   
• Assist users with software installation, usage, and operational best practices.

Requirements

Top Secret SCI w/ Polygraph Clearance Required

Required Skills

• Linux system administration
   
• Enterprise monitoring tools (Nagios, NetFlow, Syslog)
   
• Network troubleshooting fundamentals
   
• Patch and configuration management
   
• Incident response and operational support in secure environments