• Principal Network Engineer

    Job Location USA-MD-Linthicum
    Requisition ID
    # of Openings
    Job Function
    Information Technology
    Security Clearance Level
    Full/Part Time
    Full Time
  • Job Description

    Responsible for the installation and administration of Cisco switches and routers, Palo Alto firewalls and network management tools supporting the DC3 networks on different domain classifications of Department of Defense.


    The Network Engineer is responsible for troubleshooting, installations, maintenance, conversion, cutovers and sustainment of IT components. Maintain, support, and troubleshoot several classified and unclassified networks to include: NIPRNET, SIPRNET, JWICS, and other networks as required. Creates, maintains, and implements detailed documentation and maintains standard operating procedures. Consultant for systems problems and solutions beyond the knowledge of technical tier one and tier two support staff.


    Possesses and applies a comprehensive knowledge across key tasks and high impact assignments. Plans and leads major technology assignments. Evaluates performance results and recommends major changes affecting short-term project growth and success. Functions as a technical expert across multiple project assignments. May supervise others.



    Required Skills:

    Demonstrated Network Engineering experience, including understanding of LAN/WAN operations and TCP/IP concepts
    Experience with Cisco switches and routers
    Managing Access Control Lists (ACLs)
    Managing Port Security
    Experience with Palo Alto firewalls.
    Monitoring firewall traffic and configuring rule sets
    Experience configuring and managing VLANs
    Experience with IAVA, security checklists
    STIG reviews and implementation
    DoD 8570 Certification (Security + cert)
    Secret Clearance with TS SCI eligibility

    Desired Skills:

    Working knowledge of the VPN and the Internet Protocol
    Security (IPsec) that enables VPNs
    Experience with IAVA, security checklists
    CCNA or CCNP
    Experience with tools supporting the network infrastructure such as SolarWinds
    Experience with Quality of Service (QOS) Functions
    Demonstrated excellent written and oral communication skills

    Current Top Secret Clearance with SCI eligibility



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


    18-22 years of professional experience without a degree; or 10-14 years of professional experience with a Bachelors degree from an accredited college in a related discipline, or equivalent experience/combined education; or 8-12 years of professional experience with a related Masters degree; or 4 years of professional experience required with a related PhD or JD; Considered an emerging authority / authority in discipline. Consideration should always be given for the level of specific domain expertise.



    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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