System Engineer Sr, Linux/Unix (SRF 3621)

Clearance Level
Systems Engineering
Stennis Space Center, Mississippi

REQ#: RQ103661

Travel Required: None
Public Trust: None
Requisition Type: Pipeline

Created after 9-11-2001, the Department of Homeland Security consolidated numerous agencies data centers for central management. GDIT plays a key role in the Departments IT integration strategy through its Data Center-1 program. 

GDITs DC-1 program is committed to delivering an efficient, responsive, and mature data center operation through excellence in service delivery, performance, and continual service improvement.

Job Description
  • Troubleshoot historical and real-time database bottlenecks
  • Provide recommendations on database modifications to improve application performance
  • Assist the team in isolating application performance issues to the correct sub-team (DB, OS, Network, SAN)
  • Develop and drive application enhancements and automation tool enhancements
  • Work independently and with vendors to stay abreast of performance related changes and improvements
  • Provide risk assessment for application support parameter changes


  • BS degree in Computer Science or related field w/8+ years of experience in DevOps or Masters degree in Computer Science or related field w/2+ years of experience in DevOps
  • Must have working experience with virtualization in the vSphere, AWS, azure cloud environments
  • Must have working experience with Dell Blade racks and other Dell equipment
  • Must have extensive experience in UNIX, RedHat Linux (rhel7 and rhel8) and Oracle operating system products
  • Requires extensive knowledge of Ansible, Python, Java, and Bash Scripting
  • Requires knowledge of application engine internals, such as Apache and Tomcat
  • Database experience is preferred, as well as familiarity with the Agile development lifecycle
  • Participate in rotating on-call for after-hours Linux and application support

This position requires being fully vaccinated against COVID-19 by January 18, 2022 or the start date, if after January 18. Individuals who work in or reside in Florida, Montana, Tennessee, Texas, or work outside of the United States may be excluded from this requirement.

We are GDIT. The people supporting some of the most complex government, defense, and intelligence projects across the country. We deliver. Bringing the expertise needed to understand and advance critical missions. We transform. Shifting the ways clients invest in, integrate, and innovate technology solutions. We ensure today is safe and tomorrow is smarter. We are there. On the ground, beside our clients, in the lab, and everywhere in between. Offering the technology transformations, strategy, and mission services needed to get the job done.

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.