Senior Linux Systems Administrator

Clearance Level
Systems Administration
San Diego, California

REQ#: G2019-68316

GDIT is looking for a candidate to provide Linux System Administration support on a Research Development Test, and Evaluation (RDT&E) network supporting a US Government Customer.  The selected candidate will work primarily on Linux, as well as some Windows, Mac OS X PCs, and VMware ESXi servers and virtual machines (classified and unclassified) to ensure all assets are up to date. The candidate will also monitor impending quarantine notifications and issues and resolve them promptly to avoid asset quarantines.

Specific duties include, but are not limited to, the following:

  • Establish and maintain multiple environments for Maritime Tactical Command and Control software, to include: 
    • Development
    • Integration
    • Stand-alone test (unclassified & classified)
    • SWAN operational test
    • Cloud-based
  • Install, configure, and troubleshoot network devices - firewalls, routers, and switches
  • Install and configure workstations and servers
  • Install required applications on Linux hosts and servers
  • Perform required IA scanning and applying STIGs as required
  • Patch and troubleshoot hosts
  • Maintenance of routers, switches, and firewalls
  • Tier I/II end user support for those working on the project network

Clearance Level

  • Secret

BA/BS or equivalent experience


Certifications (IAT Level II)

One of the following:

  • Security+ CE
  • GIAC Security Essentials Certification (GSEC)
  • Security Certified Network Professional (SCNP)
  • System Security Certified Practitioner (SSCP)

and one of the following:

  • Linux +
  • LPIC-2 Advanced Level Linux Professional
  • LPIC-3 Senior Level Linux Professional
  • Red Hat Certified Engineer (RHCE)
  • Red Hat Certified System Administrator (RHCSA)
  • Red Hat Certified Data Center Specialist (RHCDS)

Required Skills

  • 5 -8 years experience with Linux, Red Hat, Red Hat Ansible / Ansible Tower

Desired Skills

  • Experience with the IAVM process
  • Experience with Terraform
  • Microsoft experience or certification




" 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.