7 + years of related experience US Citizenship Required:
Yes
Job Description:
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. System s 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 System s 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 .
Required Qualifications:
Ability to write scripts using PowerShell and/or Bash.
E xperience 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 8 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 Polygraph
Linux OS (CentOS, RHEL) administration.
Satellite server administration.
Ansible playbook writing.
Implementing STIGs.
Experience supporting a software configuration management and development environment
GDIT IS YOUR PLACE:
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
#GDITCareers
#WeAreGDIT
#VA_2026Alumni
#JET
The likely salary range for this position is $136,000 - $184,000. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.
Scheduled Weekly Hours:
40
Travel Required:
None
T elecommuting Options:
Onsite
Work Location:
USA VA Reston
Additional Work Locations:
Total Rewards at GDIT:
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Benefits
Health insuranceDental insuranceVision insurance401(k)Paid time offParental leave
Additional Information
Type of Requisition:
Regular
Clearance Level Must Currently Possess:
Top Secret/SCI
Clearance Level Must Be Able to Obtain:
Top Secret SCI + Polygraph
Public Trust/Other Required:
None
Job Family:
IT Infrastructure and Operations
Job Qualifications:
General Dynamics It · Reston, VA