Systems Administrator (TS/SCI w/Poly)

Clearance Level
Top Secret SCI + Polygraph
Systems Administration
Annapolis Junction, Maryland

REQ#: RQ124149

Travel Required: Less than 10%
Requisition Type: Regular

The ideal System Administrator  candidate will have:

  • Strong understanding of developing and managing multiple collections and task sequences, and adapting to meet changing requirements

  • Familiarity with Microsoft SCCM

  • Experience with Microsoft PowerShell scripting to perform software packaging, enterprise data queries, and sequenced operations across enterprise systems

  • Development of enterprise standard Windows operating system for all supported hardware platforms, based on latest commercial release, and compliant with DISA STIG requirements

  • Performing remote enterprise operating system upgrade and troubleshooting associated issues

  • Integration testing, packaging and deployment of enterprise applications experience

  • Familiarity with commercial web browser management and DISA STIG implementation

  • Deployment experience of security patches for enterprise systems

  • Expertise as a systems administrator with Microsoft Windows 10 operating system and Office 2016 or later applications include tier 3 troubleshooting, issue resolution and customer service

Position duties and responsibilities include

  • Independently provides technical interpretation and solutions in the management of networks, software, configurations, and architectures

  • Troubleshoots system software specific issues

  • Performs software installations and upgrades to operating systems and layered software packages

  • Monitors and tunes the system to achieve optimum performance levels

  • Ensures workstation/server data integrity by implementing standard software solutions

  • Conducts software audits of workstations and servers to ensure compliance with established standards, policies, and configuration guidelines

  • Ensures that performance and security of computers meet the needs of network users

  • Applies practical knowledge of job area typically obtained through advanced education and work experience

  • May evaluate existing systems and assist with planning long-term strategies


  • BA/BS and 2+ years of experience OR equivalent combination of experience and education

  • Level II 8570 Certification (Security+ CE or equivalent)

  • Active TS/SCI with current Polygraph



CWIP - IAT level II Compliance:

Persons provide network environment (NE) and advance level compute environment (CE) support. Responsible for finding and fixing unprotected vulnerabilities and ensuring that remote access points are well secured. Focuses on threats and vulnerabilities and improving the security of systems. Demonstrates a mastery of the functions of the IAT Level I position. Monitors, tests and troubleshoots hardware and software IA problems pertaining to the network environment. Recommends and schedules IA related repairs to include performing IA related customer support functions such as installation, configuration, troubleshooting, customer assistance, in response to customer requirements for the network environment (NE). Analyzes patterns of non-compliance and identifies vulnerabilities resulting from a departure from the implementation plan or that were not apparent during testing. Provides leadership and direction to IA operations personnel. Implement applicable patches including IAVAs, and IAVBs for their environment.  (Reference: Policy 6-34) for Cyber Workforce Improvement Plan (CWIP).

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.