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Sr. Linux Systems Administrator- Polygraph

Sr. Linux Systems Administrator- Polygraph

Requisition ID 
# of Openings 
Job Location 
Job Function 
Information Technology
Security Clearance Level 
Top Secret/SCI with Polygraph
Full/Part Time 
Full Time

More information about this job

Job Description


Manages the functionality and efficiency of a group of computers running on one or more operating systems.



1. Manages the functionality and efficiency of a group of computers running on one or more operating systems.


2. Maintains the integrity and security of servers and systems.


3. Sets up administrator and service accounts.


4. Maintains system documentation


5. Interacts with users and evaluates vendor products.


6. Makes recommendations to purchase hardware and software, coordinates installation and provides backup recovery.


7. Develops and monitors policies and standards for allocation related to the use of computing resources.


8. May program in an administrative language.


9. Oversees implementation of testing strategies and documentation of results.


10. Provides advice and training to end-users.


11. Provides guidance and work leadership to less-experienced staff members, and may have supervisory responsibilities.


12. Serves as a technical team or task leader.


13. Maintains current knowledge of relevant technologies as assigned.


14. Participates in special projects as required.




Preferred Skills:

  • Experience working with all related aspects of installing and maintaining Linux/Windows servers.
  • Experience working with modern virtualization tools.  (VMware, RHEV, Citrix)
  • Experience with patching servers/virtual machines (Red Hat, CentOS, Windows)
  • Experience with configuration management and monitoring servers/tools.  (WSUS, Spacewalk, Puppet, Cobbler, Nagios)
  • Experience maintaining and configuring DNS, Group Policy, Active Directory, Centrify
  • Experience automating tasks in Bash, Shell, Python, or another scripting language
  • Familiarity working in environments with multiple levels of routing and network ACLs
  • Experience with web hosting software (Apache Tomcat)









Bachelors Degree in Computer Science or a related technical discipline, or the equivalent combination of education, technical certifications or training, or work experience.


10-15 years of directly related experience in systems administration and analysis.


As a trusted systems integrator for more than 50 years, General Dynamics Information Technology provides information technology (IT), systems engineering, professional services and simulation and training to customers in the defense, federal civilian government, health, homeland security, intelligence, state and local government and commercial sectors.With approximately 32,000 professionals worldwide, the company delivers IT enterprise solutions, manages large-scale, mission-critical IT programs and provides mission support services.GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.

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