Senior Systems Administrator - TS​/SCI Polygraph

SYSTEMS ADMINISTRATOR SME

Advance how our customers operate while you advance your career. Join GDIT as a Systems Administrator SME and build an impactful career in enterprise IT, collaborating with people who are driven and resourceful like you.

• Plans, designs, and implements infrastructure changes and system upgrades.
• Manages and troubleshoots multiple VMware environments.
• Provides Windows Server and Linux administration, maintenance, and troubleshooting.
• Creates STIG compliant images for Windows Desktop, Windows Server, and Linux OS.
• Creates, tests, and deploys software packages using software deployment products such as SCCM, PDQ, etc.
• Provides expert level support and mentoring for Mid and Junior Systems Administrator personnel.
• Develops and maintains installation and configuration procedures for system and software changes.
• Utilizes scripting to automate common tasks.
• Performs hardware maintenance/repair activities.
• Ensures proper planning and execution of major projects/maintenance activities.
• Provides advanced level administration and troubleshooting of Active Directory, GPO, DNS, DHCP, and Domain Controllers.

Bring your technology expertise and drive for innovation to GDIT. The Systems Administrator SME must have:

• Ability to write scripts using Power Shell and/or Bash.
• Experience managing VMware, Nutanix, and other types of enterprise level Virtual Infrastructures.
• Proficient in managing and troubleshooting Active Directory and Group Policy Object (GPO).
• At least 10 years of relevant experience.
• Security + Certified;
  Must presently be 8570 compliant (IAT Level 2 preferred)
• Bachelor of Arts/Bachelor of Science in a field applicable to this work
• US Citizenship Required
• TS/SCI with CI Poly

• Linux OS (CentOS, RHEL) administration.
• Satellite server administration.
• Ansible playbook writing.
• Implementing STIGs.

At GDIT, the mission is our purpose, and our people are at the center of everything we do.

• Growth: AI-powered career tool that identifies career steps and learning opportunities
• Support:
  An internal mobility team focused on helping you achieve your career goals
• Rewards:
  Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
• Community:
  Award-winning culture of innovation and a military-friendly workplace

Explore an enterprise IT career at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.

#

#GDITEnhanced
2026

#GDITCareers

#JET