Linux System Administrator

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.

• 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
  

• 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
  

• 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)

• Current/active TS/SCI with Polygraph,
  

• 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 leadershipmay include delivering presentations
• Occasional travel may be required for hardware upgrades and updates