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Linux OS Administrator

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Job ID: 195625
Location: KANSAS CITY, MO, United States
Date Posted: Sep 9, 2019
Category: Information Technology
Subcategory: Sys Administrator
Schedule: Full-time
Shift: Day Job
Travel: No
Minimum Clearance Required: None
Clearance Level Must Be Able to Obtain: Public Trust
Potential for Teleworking: No

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Job Description


SAIC is hiring for the position of a Linux Administrator located in Kansas City, MO. 

Job Description:

This person is responsible for maintaining the operational status of Linux OS-based servers and appliances and will work closely with other members of the IT Operations department on the program. The duties of this position are to provide broad spectrum Linux support to complex enterprise solutions. 

The candidate will be required to work both independently and collaboratively to address incidents, problems, provide access management, and contribute to infrastructure enhancement projects. The candidate will operate Linux OS-based platforms and services, including enterprise cross-platform integration with LDAP, Active Directory, DNS and other standard services on a regular basis. Responsibility also includes monitoring alerts, managing the ticket queue, and keeping documentation up to date. Candidate is required to have strong analysis and decision-making skills with the ability to participate in briefings, participate in technical cross-functional meetings, strong commitment to process, and understanding of change and configuration management principles. 

Candidate must be willing to provide 24/7 coverage (on-call rotation) and participate in after-hours Linux OS Update patching on a rotational basis. 

Detailed Responsibilities:
  • Operation and maintenance of Linux server systems running Red Hat Enterprise Linux (5, 6, and 7) and limited selection other non-RHEL based servers.
  • Operation of Linux OS infrastructures including local user administration and Active Directory-integrated user administration.
  • Provide tier II support for the IT Service Desk.
  • Participate in after-hours weekly shifts that respond to business emergency requests (on-call rotation).
  • Participate in after-hours monthly patching rotation.
  • Installations of new software and system upgrades including evaluation and installation of Linux patches.
  • Actively monitor systems and resolve issues.
  • Collaborate with the rest of the Linux IT Operations team to perform project tasks in support of large projects


Required Education/Experience:
  • Bachelor's Degree and 5+ years of relevant experience.  Additional work experience is acceptable in lieu of a Degree.
Required Experience:
  • Working knowledge of Red Hat Enterprise Linux Server for versions 5, 6 and 7.   Comparable experience with CentOS, Ubuntu, openSUSE or Debian may be substituted but seeking candidate with primary experience in maintaining RHEL systems.
  • Deeper knowledge of RHEL than is required of a Red Hat level 1 technical support engineer or for simply passing a certification examination
  • Good knowledge of Linux-PAM (Pluggable Authentication Modules for Linux), SSH, SMTP, SNMP, NFS, and other Linux core services.
  • Ability to set up and troubleshoot problems with networking between RHEL and non-RHEL platforms such Windows Server.
  • Ability to learn new products and technologies.
  • Excellent written and oral communication skills.
  • Outstanding customer service and time management skills
  • Demonstrated ability of end-to-end problem management and ownership
  • Ability to create and manage work instructions, system and project documentation.
 Desired Experience/Skills/Attributes:
    • Working knowledge of authentication functions and protocols such as LDAP, Kerberos, and Active Directory
    • Scripting knowledge to automate tasks and processes utilizing bash, ksh, python, etc.
    • Understanding of system security concepts and mitigation strategies (POAMs, vulnerabilities) to include test and planning procedures.
    • Conceptual knowledge of SAN and or NAS systems.
    • Ability to manage endpoints with enterprise tools such as Red Hat Satellite, Red Hat Spacewalk or IBM BigFix.
    • Experience with backup solutions, particularly Tivoli Storage Manager and Veeam.
    • Red Hat Certified System Administrator or equivalent a PLUS
Clearance Requirement

Must be able to obtain to Public Trust prior to starting. Must be a US Citizen.

Desired Qualifications



SAIC is a premier technology integrator, solving our nation's most complex modernization and systems engineering challenges across the defense, space, federal civilian, and intelligence markets. Our robust portfolio of offerings includes high-end solutions in systems engineering and integration; enterprise IT, including cloud services; cyber; software; advanced analytics and simulation; and training. We are a team of 23,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $6.5 billion. For more information, visit For information on the benefits SAIC offers, see Working at SAIC. EOE AA M/F/Vet/Disability

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