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Linux System Administrator

Linux System Administrator

ManTechAurora, CO, United States
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MANTECH seeks a motivated and customer-focused Linux System Administrator to join our team in Southlands, Colorado .

This position supports the ELINT Modernization effort and is part of a collaborative team delivering systems engineering, software development, testing, and configuration management services.

Responsibilities include, but are not limited to :

  • Support implementation, troubleshooting, and maintenance of IT systems
  • Manage IT infrastructure and ensure system availability and performance
  • Perform day-to-day system monitoring, operations, and problem resolution
  • Diagnose and resolve issues at Tier 1 and Tier 2 support levels
  • Configure and manage UNIX / Linux operating systems and install / load OS software
  • Optimize system operations and perform resource utilization and capacity analysis
  • Perform system backups, disaster recovery, and service restoration procedures
  • Update and migrate servers to newer software versions
  • Implement OS enhancements to improve system reliability and performance

Minimum Qualifications :

  • Bachelor's degree with 10+ years of related experience; an additional 5 years of related experience might be substituted for a degree
  • Security+ certification
  • Experience with troubleshooting and maintaining enterprise IT systems
  • Experience managing and optimizing UNIX / Linux environments (installation, patching, performance tuning)
  • Experience providing incident identification, analysis, and resolution
  • Experience with executing security backups, recovery, and OS enhancement tasks
  • Experience with updating and migrating servers and services
  • Experience with maintaining detailed records, technical documentation, and change logs

    • Preferred Qualifications :

  • Operating Systems : CentOS, AIX, Solaris, RHEL
  • Tools & Platforms : NiFi, Docker, Putty, VMWare, OpenStack, Cisco
  • Orchestration & Development : Kubernetes, Tibco, ClearCase, Git, Ratchet
  • Agile development methodologies
  • Atlassian tool suite (JIRA, Confluence)

    • Security Clearance Requirements

  • Current / active TS / SCI with Polygraph,

    • Physical Requirements

  • Must be able to remain in a stationary position for up to 50% of the time
  • Frequently operates computers and standard office productivity tools
  • Must be able to effectively communicate with co-workers, customers, and leadership—may include delivering presentations
  • Occasional travel may be required for hardware upgrades and updates
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