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Linux Systems Administrator

Company Overview: Diversified Technical Services, Inc. (DTSI) is a highly successful privately held small business with over 35 years of experience providing outstanding Information Technology Services to federal and commercial customers domestically and abroad. Consider joining our highly skilled team of professionals who collectively form our company’s greatest assets. We are proud of our employees and the innovative and successful solutions they have been providing to a variety of customers operating numerous domains throughout the world.  


DTSI currently has an opportunity for a skilled Linux Systems Administrator to join a growing team of dedicated professionals in San Antonio, TX.


Key Role/Position Description: This position is for a Linux Systems Administrator in a Department of Defense environment.  This position is responsible for providing Linux administration for medium enterprise-wide, multi-site server environments for the US Air Force’s Command, Control, and Computer Systems Management Support (C3MS) program. This position will require working in a fast paced team environment. This position will also require the following: work flexible schedules to support mission requirements; solid communication skills to interact with system owners, DTSI Operations team and Engineering team.


Duties and Responsibilities:

  • Communicate and assist in the day to day tasks of the other team members and collaborates with the other DTSI and Air Force leads and Managers
  • Provide on-call support on a rotational basis with other team members
  • Focused on improving the stability and performance of the system, maintaining and improving the security posture of the systems, continuous monitoring of system health, and troubleshooting issues that arise
  • Systems Administration engineering, operations and support and maintenance to ensure continual operation
  • Engineering of systems administration-related solutions for various project and operational needs
  • Install and configure systems which support infrastructure
  • Contribute to and maintain system standards
  • Research and recommend innovative, and where possible, automated approaches for system administration tasks. Identify approaches that leverage resources
  • Perform daily system monitoring, verifying the integrity and availability of all hardware, server resources, systems and key processes, reviewing system and application logs, and verifying completion of scheduled jobs such as backups
  • Perform daily backup operations, ensuring all required file systems and system data are successfully backed up to the appropriate media, recovery tapes or disks are created, and media is recycled and sent off site as necessary
  • Create, change, and delete user accounts per request as necessary
  • Repair and recover from hardware or software failures - coordinate and communicate with impacted constituencies
  • Configure/add new services as necessary
  • Maintain operational, configuration, or other procedures
  • Configure CPU, memory, and disk partitions as required



  • Experience in installation, configuration, implementation, monitoring, and support of Linux-based systems
  • Excellent communication skills
  • 5+ years’ experience with Linux based systems administration


Education: Bachelor’s degree from an accredited college in a related discipline, or equivalent experience/combined education, with 5 years of professional experience; or 3 years of professional experience with a related Master’s degree.


Security:  This position requires a current DoD Top Secret with access to SCI. US Citizens Only


Authority/Accountability:  The successful candidate will be part of a small working group team and report directly to a DTSI Task Leader.


Affirmative Action:  DTSI is an Equal Opportunity/Affirmative Action Employer. Applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status. 


Disclosure:  DTSI is an equal opportunity employer that uses E-Verify to confirm work authorization.  Background investigations may be conducted to determine applicant’s eligibility for a Department of Defense security clearance. 


For more information about our company, please visit our website:

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