• Sr Principal Network Engineer

    Job Locations USA-VA-Ft Belvoir
    Job ID
    Number of Positions
    Job Function
    Information Technology
    Security Clearance Level
    Top Secret/SCI
    Full/Part Time
    Full Time
  • Job Description

    Network Administrator (L3)

    Fort Belvoir, VA


    Eligible for up to a 10K sign on bonus & Eligible for a 8k referral bonus! 




    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 Major Subordinate Commands (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 Network Administrator:

    • Performs administration duties for networking hardware including routers, switches, gateways, network interface cards, networking cables, firewalls, and other related network hardware
    • Must have  knowledge of fiber and copper-based Ethernet technologies, capabilities and cabling and their connectivity to local and wide area networks
    • Monitors, responds to, and resolves hardware and software issues utilizing a variety troubleshooting tools and techniques
    • Installs and configures network hardware and software, including implementing upgrades
    • Respond to service requests providing outstanding technical support and training to end-users
    • Administers network security via firewall access controls
    • Analyses configuration and rules to ensure network optimization
    • Analyses traffic flow isolating service impairments and resolving identified issues
    • Provide clear written documentation on network procedures
    • Effectively interact with staff from other sections on complex client/server problems


    Desirable Skills / Experience:

    • Comprehensive knowledge of the principles, methods, and techniques used in network troubleshooting and support and related network hardware and software expertise
    • Comprehensive knowledge of routing and switching technologies to include but not limited to Site-to-Site VPNs, OSPF, and BGP
    • Experience working with Cisco routers, Cisco switches, Cisco ASA firewalls, Palo Alto Firewalls, Brocade Switches, Juniper Routers, and F5 Big-IP load-balancers
    • Experience performing network packet capture analysis
    • Experience leveraging network monitoring tools such as SolarWinds



    • DoD 8570.01-M IAT Level II Computing Environment (CE) Certification as determined by the Program Manager is required prior to support on contract
    • Required Security Environment Certification: CompTIA Security+ CE or equivalent (CCNA-Security)
    • Required Computing Environment (CE) certification: CCNA to start, however would be required to obtain CCNP within 6 months after start) 

    Security Clearance

    • TS/SCI required 


    • Although currently not a requirement for this position, candidates must be willing and able to attain a CI Polygraph  as determined by the contract
    • Position may require occasional travel
    • Position may require lifting of objects (i.e. IT Hardware), reaching/bending/kneeling (i.e. plug in cables) and other moderately strenuous activity
    • Contract is I2TS 3
    • Travel maybe required to support this mission 


    • 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, or Master’s Degree with 4 years of experience


    10-15 years of directly related experience in network analysis and design.


    For more than 50 years, General Dynamics Information Technology has served as a trusted provider of information technology, systems engineering, training and professional services to customers across federal, state, and local governments, and in the commercial sector. Over 40,000 GDIT professionals deliver enterprise solutions, manage mission-critical IT programs and provide mission support services worldwide. 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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