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GE
Senior System Administrator-TS/SCI w/Polygraph
General Dynamics Information TechnologyUnited Statesfull_timeVerifiedPosted 7 Aug 2026
💰 $199,278/yr($147,292/yr – $199,278/yr)
About the role
<p><b><u>Type of Requisition:</u></b></p>Regular<p></p><p></p><p><u><b>Clearance Level Must Currently Possess:</b></u></p>Top Secret/SCI<p></p><p></p><p><u><span><span><span><b>Clearance Level Must Be Able to Obtain:</b></span></span></span></u></p>Top Secret SCI + Polygraph<p></p><p></p><p><b><u>Public Trust/Other Required:</u></b></p>None<p></p><p></p><p><u><b>Job Family:</b></u></p>IT Infrastructure and Operations<p></p><p></p><p><b><u>Job Qualifications:</u></b></p><p><b>Skills:</b></p>Backup and Recovery, Computer Backups, Disaster Recovery (DR), Information Technology (IT) Systems<p><b>Certifications:</b></p>None<p><b>Experience:</b></p>10 + years of related experience<p><b>US Citizenship Required:</b></p>Yes<p></p><p></p><p><u><b>Job Description:</b></u></p><p></p><p><b>Senior Systems Administrator</b></p><p>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.</p><p></p><p><b>The job duties of the Sr. Systems Administrator are as <span>follows: </span> </b></p><ul><li><p>Plans, designs, and implements infrastructure changes and system upgrades.</p></li><li><p>Manages and troubleshoots multiple VMware environments.</p></li><li><p>Provides Windows Server and Linux administration, maintenance, and troubleshooting.</p></li><li><p>Creates STIG compliant images for Windows Desktop, Windows Server, and Linux OS.</p></li><li><p>Creates, tests, and deploys software packages using software deployment products such as SCCM, PDQ, etc.</p></li><li><p>Provides expert level support and mentoring for Mid and Junior Systems Administrator personnel.</p></li><li><p>Develops and maintains installation and configuration procedures for system and software changes.</p></li><li><p>Utilizes scripting to automate common tasks.</p></li><li><p>Performs hardware maintenance/repair activities.</p></li><li><p>Ensures proper planning and execution of major projects/maintenance activities.</p></li><li><p>Provides advanced level administration and troubleshooting of Active Directory, GPO, DNS, DHCP, and Domain <span>Controllers. </span></p></li></ul><p></p><p><b>Required Qualifications:</b></p><ul><li><p>Ability to write scripts using PowerShell and/or Bash.</p></li><li><p>Experience managing VMware, Nutanix, and other types of enterprise level Virtual Infrastructures.</p></li><li><p>Proficient in managing and troubleshooting Active Directory and Group Policy Object (GPO).</p></li><li><p>At least 10 years of relevant experience.</p></li><li><p>Security + Certified; Must presently be 8570 compliant (IAT Level 2 preferred)</p></li><li><p>Bachelor of Arts/Bachelor of Science in a field applicable to this work</p></li><li><p>US Citizenship Required</p></li><li><p>TS/SCI with CI Poly</p></li></ul><p></p><p><b>Desired Qualifications</b></p><ul><li><p>Linux OS (CentOS, RHEL) administration.</p></li><li><p>Satellite server administration.</p></li><li><p>Ansible playbook writing.</p></li><li><p>Implementing STIGs.</p></li><li><p>Experience supporting a software configuration management and development environment</p></li></ul><p></p><p><b>GDIT IS YOUR PLACE:</b></p><ul><li><p>401K with company match</p></li><li><p>Comprehensive health and wellness packages</p></li><li><p>Internal mobility team dedicated to helping you own your career</p></li><li><p>Professional growth opportunities including paid education and certifications</p></li><li><p>Cutting-edge technology you can learn from</p></li><li><p>Rest and recharge with paid vacation and holidays</p></li></ul><p></p><p></p>The likely salary range for this position is $147,292 - $199,278. 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.<p></p><p></p><p><u><b>Scheduled Weekly Hours:</b></u></p>40<p></p><p></p><p><b><u>Travel Required:</u></b></p>None<p></p><p></p><p><b><u><span><span>T</span>elecommuting Options:</span></u></b></p>Onsite<p></p><p></p><p><u><b>Work Location:</b></u></p>USA VA Reston<p></p><p></p><p><u><b>Additional Work Locations:</b></u></p><p></p><p></p><p></p><p><b><u>Total Rewards at GDIT:</u></b></p>Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, mili
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