Senior Systems Windows Administrator - TS/SCI w/Poly

Clearance Level
Top Secret SCI + Polygraph
Systems Administration
Chantilly, Virginia

REQ#: RQ138681

Travel Required: None
Requisition Type: Regular

GDIT is looking for a Senior Windows System Administrator to manage and administer Windows resources and infrastructure on a dedicated network within a production environment. The ideal candidate is a hands-on System Administrator professional with significant experience in developing and deploying repeatable processes, tools, and infrastructure that enable the delivery of capabilities in a production environment. They must have strong, firsthand technical expertise in a variety of configuration automation, deployment, and continuous integration technologies and the proven ability to fashion robust solutions that can keep pace with new development and end users. They must be at ease working in an agile environment with a cross functional team. This person should embody a passion for continuous improvement and innovation.


  • Work with a team to administer Windows-based cloud and on-prem hosts within the customer environment and company lab environment in a repeatable and reliable manner
  • Harden Windows systems in support of customer security controls, apply OS updates and patches, and manage the underlying hardware
  • Mitigate all vulnerability findings from network scans
  • Manage security and policy through the application of Global Policy Objects (GPO)
  • Collaborate with a cross-functional team of software engineers, DevOps Engineers, analysts, project managers and other engineering groups to gather requirements and elicit input for the network and infrastructure
  • Provide ongoing maintenance, support, and enhancements in production systems and platforms.
  • Troubleshoots complex problems and provide customer support for software systems and application issues.
  • Provide recommendations for continuous improvement
  • Write and update technical documentation such as system documentation, processes and procedures.
  • Work alongside other engineers on the team to sustain and advance our organization’s capabilities.


  • Bachelor's degree in Computer Science, Information Technology, or other related technical discipline, or equivalent combination of education, technical certifications, training, and work/military experience.


  • Hands-on experience with DNS, DHCP, and Active Directory integration
  • Hands-on experience with Windows Backup and Recovery enterprise suites
  • Experience with data storage, NAS, and SAN technologies and solutions
  • Demonstrated hands-on experience using scripting for task automation, data transfer, etc.
  • Experience with Remote Desktop Services


  • Demonstrated hands-on experience with technologies like MECM
  • Demonstrated hands-on experience with Windows Server Update Services (WSUS)
  • Demonstrated hands-on experience working with VMWare and maintaining virtualized systems


About Our Work

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.

COVID-19 Vaccination

GDIT does not have a vaccination mandate applicable to all employees. To protect the health and safety of its employees and to comply with customer requirements, however, GDIT may require employees in certain positions to be fully vaccinated against COVID-19. Vaccination requirements will depend on the status of the federal contractor mandate and customer site requirements.

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.