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Sr Administrator, Systems

Sr Administrator, Systems

Requisition ID 
# of Openings 
Job Location 
Job Function 
Information Technology
Security Clearance Level 
Full/Part Time 
Full Time

More information about this job

Job Description

Position Description: The Senior Systems Administrator provides design, implementation, maintenance, and troubleshooting functions for physical and virtual information systems, applications, and peripheral hardware in support of the Deputy Director, C4 and Cyber Integration (DDC5I) C5 Assessments Division (C5AD) mission and Persistent C5 Environment (PC5E).


General Duties:

  • Build VMWare ESXi virtual environment (VMWare 6.x and VMWare Horizon 6.x) and maintain virtualized Windows systems; configure and troubleshoot virtualized system hardware and peripheral access issues
  • Deploy and configure a Microsoft Active Directory environment from initial server hardware installation through implementation of common services (DNS, email, file, and print services) in configurations representative of DoD environments
  • Implement DISA STIG (Security Technical Implementation Guide) requirements for Microsoft operating systems, services and roles (DNS, AD, etc.) and applications (MS Office), to include both use of DISA SCAP (Security Content Automation Protocol) tools in securing operating systems and applications
  • Create, deploy and maintain standardized Windows 10 workstation images, via Windows Deployment Services (WDS) and System Center Configuration Manager (SCCM); create and manage domain accounts for large user communities in support of events
  • Deploy system updates and patches utilizing Microsoft System Center Configuration Manager (SCCM), Microsoft System Center Updates Publisher (SCUP), and Windows Software Update Services (WSUS)
  • Conduct daily system maintenance activities including log reviews and connectivity checks to maintain the infrastructure in a project-ready state; troubleshoot hardware, operating system, and software issues
  • Physically install server, workstation and peripheral devices in equipment racks and user workspaces
  • Occasionally travels in support of network events

Preferred Skills:

  • Windows based Public Key Infrastructure (PKI) implementation in a DoD environment, including generation of certificate requests, installing issued certificates, implementing and supporting PKI smart card logins in Active Directory
  • XMPP chat server installation and configuration (OpenFire, Jabber, etc.)
  • Familiarity with Active Directory based deployment of bitlocker drive encryption (BDE)
  • Experience administering DISA Host Based Security System (HBSS)
  • NetApp Filer experience (or general Storage Area Network experience)
  • Brocade SAN fibre channel fabric switch configuration experience (or equivalent SAN fabric switch technology)
  • Cross domain system (CDS) experience (Radiant Mercury)
  • Linux experience (Red Hat Enterprise Linux)



Required Education:  Bachelors Degree in Computer Science or a related technical discipline, or the equivalent combination of education, technical certifications or training, or work experience.


GDIT requirement: 5-8 years of directly related experience in systems administration and analysis.

Required Qualifications:

  • Educational equivalency for this position is defined as at least five (5) years of related experience working in maintaining and managing computer systems that are used to support multiple computer operations at the same time, and;
  • Must possess experience in at least two (2) of the following and experience must have been obtained within the past five (5) years:
    • One (1) year experience as a computer systems manager/operator on Microsoft and/or LINUX computing environments employing Windows Server 2012 (or newer), Windows 10 (or newer) client operating system, and LINUX Red Hat operating systems;
    • One (1) year experience managing and working on local area network (LAN) administration, operation, and architecture with a mixture of a minimum of 30 client systems;
    • Two (2) years' experience working with two of the following languages: C, C++, C#, Python, Perl, Java, Ruby, Visual Basic, Microsoft Access, Microsoft SQL, and ORACLE;
    • Certifications in network hardware and software applications;
    • Specific working experience of management of a mixture of Windows and LINUX computing environments;
    • One (1) years' experience integrating and configuring switches hubs, routers, bridges, repeaters, multiplexers and gateways in data communications systems;
    • Must be familiar with virtualization techniques - simulating a hardware platform, operating system (OS), storage device, or network resources.
  • Must have an active Secret security clearance and be eligible for Top Secret
  • Must be a U.S. citizen
  • Certified DOD 8570.1-M IAT Level 2

Work Location:  Joint Staff J6 C5 Assessments Division, Suffolk, VA


As a trusted systems integrator for more than 50 years, General Dynamics Information Technology provides information technology (IT), systems engineering, professional services and simulation and training to customers in the defense, federal civilian government, health, homeland security, intelligence, state and local government and commercial sectors.With approximately 32,000 professionals worldwide, the company delivers IT enterprise solutions, manages large-scale, mission-critical IT programs and provides mission support services.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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