LINUX System Adminstrator-Mid Level - Military veterans preferred



  full-time   employee

United States


SAIC is seeking a Linux Systems Administrator to perform high-level, day-to-day operational maintenance, support, and upgrades for complex operating systems, workstations and servers. This is a great opportunity to become Poly cleared!

This position will be responsible for the following:
  • Coordinates, directs and performs complex software installations and upgrades to operating systems and layered software packages. 
  • Schedules installations and upgrades and maintains them in accordance with established IT policies and procedures. 
  • Continually monitors and tunes multiple systems to achieve optimum performance levels.
  • Ensures workstation/server data integrity by evaluating, implementing, and managing appropriate software and hardware solutions of varying complexities. 
  • Ensures data/media recoverability by developing and implementing a schedule of system backups and database archive operations. 
  • Plans and implements the modernization of servers. 
  • Develops, implements and promotes standard operating procedures and schedules. 
  • Conducts hardware and software audits of workstations and servers to ensure compliance with established standards, policies, and configuration guidelines. 


  • Must have a current/active TS/SCI and be will/able to obtain a CI Polygraph
  • Requires a Bachelors degree in Computer Science or related discipline; or 4 additional years of experience in lieu of a degree
  • Minimum of 6 years of experience with the administration and distribution of Linux systems (preferably RHEL and CentOS at a minimum)
  • Proficient in creation and management of VMWare-based virtual machines
  • Experience installing, configuring, maintaining, monitoring and troubleshooting LINUX servers, either physical (bare metal) or virtual (VMWare or equivalent)
  • Experience in hardening Linux systems based on DISA STIGs requirements or similar hardening regulations
  • IC/DoD security experience to include auditing, virus scanning and IAVA resolution
  • Offline system patching (such as RPM)
  • Setup, configure and maintain various LINUX servers to support development, test, integration and operational software threads
  • Work with development teams to design, implement and maintain continuous integration environment for several projects across multiple networks
  • Support security with VM hardening, patching, auditing, new software requests and other security requirements
  • Track and manage internal and external software licenses
  • Manage Atlassian tool suite (JIRA, Bit Bucket, Confluence) in support of software and system engineering

Desired Qualifications


Desired Qualifications - or the cool stuff you'll learn!

  • Solid general network knowledge (TCP/IP, DNS, SNMP, SMTP, NFS)
  • Amazon Web Service (AWS) management and deployment
  • Experience configuring and deploying web containers/apps (J2EE)
  • Experience and active certifications that meet the ICD 503 guidelines for system administration
  • Installation, configuration and management of Windows-based development tools
  • Installation, configuration and management of PostgreSQL databases
  • Experience with Shell (Bourne, Korn, Bash, csh, ect…) scripting or scripting in Perl or Python
  • Experience with network storage technologies (S3, block and object)
  • Experience with log management, syslog, SIEM, ect…
  • Experience with HPC and GPU architectures
  • Familiarity with cross-security domain solutions
  • Previously supported the DIA within the last 5-years