General Dynamics Information Technology Principal Network Engineer in Linthicum, Maryland

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 conceptsExperience with Cisco switches and routersManaging Access Control Lists (ACLs)Managing Port SecurityExperience with Palo Alto firewalls.Monitoring firewall traffic and configuring rule setsExperience configuring and managing VLANsExperience with IAVA, security checklistsSTIG reviews and implementationDoD 8570 Certification (Security + cert)Secret Clearance with TS SCI eligibility

Desired Skills:

Working knowledge of the VPN and the Internet ProtocolSecurity (IPsec) that enables VPNsExperience with IAVA, security checklistsCCNA or CCNPExperience with tools supporting the network infrastructure such as SolarWindsExperience with Quality of Service (QOS) FunctionsDemonstrated excellent written and oral communication skillsVOIP

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.


Job ID2018-44373

Number of Positions1

Job FunctionInformation Technology

Security Clearance LevelSecret

Full/Part TimeFull Time