Systems Administrator Level 3 - TS/SCI required

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

System Administration



REQ#: RQ138522
Public Trust: None
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

GDIT is seeking candidates to support the US Army Intelligence and Security Command (INSCOM). Under the I2TS 3 task order, INSCOM ensures reliable, uninterrupted availability of Command, Control, Communications, Computers, and Information Management (C4IM) including: networks, hardware, software, engineering, and specialized tools at the point of customer need to support INSCOM's mission. INSCOM and its MSCs provide the enabling layer to connect the Army and its tactical formations to defense and national intelligence agencies via tactical networks. The ability to provide mission critical intelligence is dependent on the successful use of its information technology (IT) networks worldwide.

Principal Duties and Responsibilities:

An I2TS 3 Systems Administrator level 3 will:

  • Operate and sustain the on-going daily operational use of a VMware infrastructure including updating, testing and deploying the vSphere and vCenter product releases. This includes identifying concerns or issues encountered during installation, testing and deployment of new software releases.

  • Manage and Administer physical and virtual servers, primarily Windows and Linux servers

  • Support and management of server virtualization, server provisioning, physical server maintenance, security compliance and daily operations

  • Manage VMware vSphere, with emphasis on automation, and enterprise storage and backup system administration, installation and on-going maintenance experience.

  • Maintain server lifecycle - provisioning, maintenance, and decommissioning of the hardware

  • Maintain the virtualized server environment via configuration, implementation, management and support activities

  • Monitor the virtual server infrastructure environment’s health status, service performance, and utilization

  • Implement and maintain continuous compliance to information security policies and technical standards, report and remediation of non-compliances

  • Maintain the security baseline compliance via configuration, implementation, and remediation activities

  • Apply regular security patches and software update

  • Troubleshoot, maintain integrity and configure network components along with implementing operating systems enhancements to improve reliability and performance

  • Integrate new technologies into new and existing systems including the transition and migration of corporate systems

  • Perform systems administration of desktop and server systems connected to local and wide area networks. Desktop system management responsibilities involving account monitoring, security, Operating System (OS) installation, and other local area system administration related functions

  • 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 all of the client/server/storage/network devices, mobile devices, etc. support, administer and maintenance of enterprise data center systems comprised of both physical and virtual servers, storage, backups, monitoring and automation as well as eventually Hybrid Cloud management

Desirable Skills / Experience:

  • Experience with ESX OS, and VMware vCenter, and 6-8 years virtualization experience

  • Design, implementation and sustainment experience in VMware, VDI and similar environments.

  • Demonstrated experience establishing, maintaining, and executing O&M processes and procedures in support of VMware, and similar environments.

  • Extensive infrastructure knowledge and hands-on experience with DoD datacenters & infrastructure

  • 3+ years of experience deploying and maintaining data center Infrastructure preferably within the DOD.

  • 5+ years of hardware experience to include compute, network, & storage

  • 2+ years of experience implementing DOD Security Controls

  • Ability to provide in-depth experience in trouble-shooting IT systems

  • Be able to provide detailed analysis and feedback to agency management and internal customers for escalated tickets

  • Experience working large teams of technical professionals

Education Required:

  • High School Diploma/GED with 8 years of related experience, or Associate’s Degree with 6 years of experience, or Bachelor’s Degree with 4 years of experience


  • Required Security Environment Certification: CompTIA Security+ CE or equivalent

  • Required Computing Environment certification: VMware Certified Technical Associate or equivalent to start.

  • Required Computing Environment certification: VMware Certified Professional or higher can obtain within 180 days of hire date.

Security Clearance:

  • TS/SCI required

    #DefenseCamp #Belvoirregion #OpportunityOwned #GDITCareers #GDITLife #WeAreGDIT #DPOST #DefenseCampFtBelvoir #GDITINSCOM #I2TS3 #GDITArmy

    Work Requirements
    Years of Experience

    8 + years of related experience

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


    Security+ (issued before 01/01/2011) - CompTIA

    Travel Required


    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 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.