Senior System Administrator - TS/SCI w/Polygraph
Job in
Reston, Fairfax County, Virginia, 22090, USA
Listed on 2026-05-21
Listing for:
General Dynamics Information Technology
Full Time
position Listed on 2026-05-21
Job specializations:
-
IT/Tech
Systems Administrator, IT Support, Network Administrator, Cybersecurity
Job Description & How to Apply Below
Senior Systems Administrator
Transform technology into opportunity as a Senior Systems Administrator with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you’ll be at the forefront of innovation and play a meaningful part in improving how agencies operate.
The job duties of the Sr. Systems Administrator are as follows:- 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.
- 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.
- Experience supporting a software configuration management and development environment
- 401K with company match
- Comprehensive health and wellness packages
- Internal mobility team dedicated to helping you own your career
- Professional growth opportunities including paid education and certifications
- Cutting-edge technology you can learn from
- Rest and recharge with paid vacation and holidays
Position Requirements
10+ Years
work experience
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