Sr. Systems Administrator - TS/SCI

Clearance Level
Top Secret/SCI
Systems Administration
Fort Meade, Maryland
Onsite Workplace
Key Skills For Success

Information Technology (IT)


Server Administration

REQ#: RQ167643
Requisition Type: Regular
Your Impact

Own your opportunity to work with the largest government agency in the nation. Make an impact by advancing the Department of Defense’s mission to keep our country safe and secure.

Job Description

Systems Administrator Senior

Transform technology into opportunity as a Systems Administrator Senior 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.

At GDIT, people are our differentiator. As a Services you will help ensure today is safe and tomorrow is smarter. Our work depends on Systems Services Senior joining our team to support US Army CounterIntelligence Command.


  • Install, configure, and maintain Active Directory and third-party software utilities for hardware systems within operational guidelines.
  • Produce global enterprise-level designs for secure Active Directory and Identity systems for global initiatives
  • Monitor systems for vulnerabilities, track, prioritize remediate or mitigate per policies.
  • Strong knowledge of Active Directory design and Group Policy, DNS, and DHCP
  • Own root cause analysis and problem management for corporate Identity Management environment.
  • Lead projects through implementation via collaboration with all IT, security and support teams.
  • Create and maintain system documentation for domain technologies, including installation, configuration, and appropriate troubleshooting steps.
  • Identify opportunities and improve existing processes through solutions to recurring problems and enhancements to existing solutions or documentation.
  • Document processes and solutions.
  • Provide support for implementation, troubleshooting and maintenance of IT systems
  • Manage IT system infrastructure and any processes related to these systems
  • Provide support to IT systems including day-to-day operations, monitoring and problem resolution for Active Directory task and activities
  • Provide Tier 3 problem identification, diagnosis and resolution of problem
  • Provide support for the escalation and communication of status to agency management and internal customers
  • Provide support for the dispatch system and hardware problems and remains involved in the resolution process
  • Install/load operating system and application software
  • Integrate new technologies into new and existing systems including the transition and migration of corporate systems​


  • Education: High School Diploma/GED with 10 years of related experience, or Associate's Degree with 8 years of experience, or Bachelor's Degree with 6 years of experience
  • Required Skillset:
    • Leadership of high performing IT teams and professionals.
    • Experience working with Microsoft Identity technologies including Active Directory, Certificate Services, Lightweight Directory Services, Group Policy, Single Sign On and Multi-Faction Authorization solutions
    • Experience working with large AD enterprises to include DNS and DHCP technologies
    • Experience working with MECM ( Microsoft Endpoint Configuration Manager)
    • Experience working with Microsoft RDS (Remote Desktop Services)
    • Experience working with Microsoft Exchange
    • Experience working with Microsoft Print Services
    • Experience working in large DoD enterprise network environments
    • Experience working with DISA STIGs
    • Knowledge of server virtualization technologies, preferably VMware and/or Microsoft technologies
    • Minimum 10 years overall IT experience with 5-7 years of leadership experience in the DoD IT space.
    • 5+ years IT engineering experience in a global information technology infrastructure environment
    • Certifications in Microsoft Technology, Microsoft Server Administration and Information Security preferred
  • Security Clearance Level: TS/SCI
  • Required Certification(s):
    • IAT II 8570 Baseline Certification -Sec+CE or equivalent
    • Required Computing Environment certification: MCSA Windows Server 2016, Azure Cloud Architect or equivalent to start.
  • Location: On Customer Site
  • US Citizenship: Required
  • Additional:
    • Candidates must be willing and able to attain a CI Polygraph for certain positions as determined by the contract
    • Travel may be required to support the mission


  • 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





Work Requirements
Years of Experience

10 + years of related experience

* may vary based on technical training, certification(s), or degree


CompTIA - Security+ - CompTIA

Designing and Implementing Cloud Data Platform Solutions (Azure 70-473) - Microsoft

MCSA: Windows Server 2016 - Microsoft

Travel Required

Less than 10%


U.S. Citizenship Required

About Our Work

We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 30 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.

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.