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