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Linux System Administrator – Senior

Peraton

$190,000 - $304,000
Aug 19, 2025
San Antonio, TX, USA
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Peraton is seeking a Senior Linux System Administrator to support their high-impact Cyber Intelligence team in San Antonio, TX, to operate and secure critical cloud-based repositories in a fast-paced, mission-driven environment.

Requirements

  • Experience with Hadoop and Accumulo clusters
  • Scripting and automation using Bash, Python, or other scripting languages
  • Configuration management with Puppet (or similar tools)
  • Designing and implementing Service-Oriented Architecture (SOA) solutions
  • Developing DoDAF-compliant architectures, including operational, technical standards, and system/service views
  • Applying models, simulations, and prototyping to manage risk and lower development costs
  • Managing system configurations throughout lifecycle (hardware, software, and documentation)

Responsibilities

  • Monitoring and maintaining system health across distributed environments
  • Troubleshooting hardware, software, and network issues
  • Sustaining and optimizing storage systems
  • Automating tasks and managing configurations using tools like Puppet, Bash, and Python
  • Providing after-hours support as needed for mission-critical issues
  • Ensuring compliance with system security requirements
  • Participating in system design and architecture discussions

Other

  • 20+ years as a Linux System Administrator on projects of similar scope and complexity
  • Bachelor's degree in System Engineering, Computer Science, Information Systems, Engineering, or a related field
  • Active TS/SCI with current polygraph required
  • Ability to plan and lead system administration efforts
  • Proven ability to adapt in real time to global operational needs