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Vacancy expired!

Type of Requisition: Regular

Clearance Level Must Currently Possess: Secret

Clearance Level Must Be Able to Obtain: Secret

Suitability: No Suitability Required

Public Trust/Other Required:

Job Family: Systems Administration

Job Description:

GDIT has an opening for a System Administrator position supporting the Army National Guard (ARNG) in Chantilly, VA. This is an IT Service Management contract in support of the operation, modernization, expansion, and further evolution of the ARNG's global Information Technology (IT) services including networking, compute, storage, infrastructure, applications, hosting, and program management services. The GECOS program supports the ARNG enterprise IT infrastructure, its Wide Area Network (WAN), authentication and directory services, cybersecurity, application hosting, and associated services. GECOS uses ITIL best practices framework as the basis for IT Service Management (ITSM) model.


Principal Duties and Responsibilities:

A System Administrator will:
  • Install, configure, and maintain Windows 10 and Windows Server within operational guidelines.
  • Monitor systems for vulnerabilities, track, prioritize remediate or mitigate per policies.
  • Knowledge of Active Directory Group Policy, DNS, and DHCP functions
  • Own root cause analysis and problem management for corporate Identity Management environment.
  • Implement Windows worksation and server STIG settings
  • Remediate ACAS identified vulnerbilities
  • 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
  • Provide Tier 2 support to IT systems including day-to-day operations, monitoring and problem resolution for Active Directory task and activities
  • Provide Tier 2 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
Desirable Skills / Experience:
  • 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 in large DoD enterprise network environments
  • Experience working with DISA STIGs
  • Knowledge of server virtualization technologies, preferably VMware and/or Microsoft technologies
  • Experience working with Identity technologies including Active Directory, Federation, Multi-Factor Identification, Identity Governance Administration, Privileged Access Management, Group Policies and similar systems.
  • IT engineering experience in a global information technology infrastructure environment
  • IAT level II Compliant certification
  • DoD Secret Clearance


Scheduled Weekly Hours: 40

Travel Required: Less than 10%

T elecommuting Options: Hybrid

Work Location: USA VA Falls Church

Additional Work Locations:

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.

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.

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.

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