Windows Administrator/Junior Information System Security Officer

Clearance Level
Systems Administration
Falls Church, Virginia

REQ#: RQ137804

Travel Required: Less than 10%
Requisition Type: Regular

Guard Enterprise Cyber Operations Support (GECOS) - ARNG

The Guard Enterprise Cyber Operations Support (GECOS) program that supports the Army National Guard (ARNG) is seeking a Security focused System Administrator in Falls Church, VA to provide support for the Army National Guard Bureau’s mission and its Enterprise Hosting Services (EHS) environment. The position will have a strong focus on customer support and system security including: administration and configuration of Windows Server 2012R2, 2016, and 2019 VMware virtual machines, vulnerability management and general availability, reliability, and security of ARNG IT systems.


  • Install, configure and maintain Windows Server 2008 R2, Windows Server 2012 R2 and Windows 2016 Servers.

  • Perform Windows OS and application updates as needed.

  • Apply/implement IAVMs, STIGs, bug fixes, security patches, and access controls across multiple platforms.

  • Perform system testing and troubleshooting of servers as required.

  • Assist the EHS Information System Security Officer (ISSO) with the following tasks as needed:

    • Validate security controls and documents in the Risk Management Framework (RMF) eMASS package, to include: the SSP, SAR, PIA, Categorization Form, Implementation Plan, Network Topology, HW/SW Listing, and Plan of Actions and Milestones (POA&Ms).

    • Perform SCAP Compliance Checker (SCC) scans to ensure configurations are in accordance with latest STIGs.

    • Conduct and maintain ACAS vulnerability scans on networks, systems and applications.

    • Assist with vulnerability remediation.

    • Ensure that cybersecurity plans, controls, processes, standards, policies, and procedures are aligned with cybersecurity standards.

  • Must be able to communicate effectively.

  • Must be able to document system configurations.

  • Occasional On-Call required.


· DoD SECRET Clearance

· ITIL Foundation Certification (can be obtained within 60 days of employment)

· DoD 8570 IAT Level II certification

· 5 years of experience is preferred



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.