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Senior Network Security Engineer TS/SCI w Polygraph required in Chantilly at General Dynamics Information Technology

Date Posted: 1/14/2019

Job Snapshot

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Job Description

 **Position requires an active in-scope TS/SCI clearance and ability to obtain polygraph.**

  • Experience with firewall policy design and maintenance.  Familiarity with monitoring firewall devices and response to device problems.
  • Hands on experience with configuring and deploying network equipment.
  • Troubleshoot technology issues, using various internal and external resources.
  • Be responsible for planning, implementing, and supporting changes to the network including cable infrastructure, network software and hardware.
  • Provide detailed documentation and procedures for all solutions.
  • Analyzing and recommending the purchase of network equipment.
  • Document technical problems, resolutions, and processes for assigned tasks and projects.
  • Participate in testing and evaluation of new technologies to ensure compatibility and functionality.
  • Lead deployment planning and implementation tasks
  • Lead configuration management and develop processes to track system and signature change
  • Provide technical assistance with the build; maintenance; and troubleshooting of IDS
  • Evaluate firewall change requests and assess organizational risk.
  • Provides guidance and work leadership to less-experienced technical staff members, and may have supervisory responsibilities.
  • Have experience with multi-tasking providing on ground support to a critical Security Operations center
    Participates in special projects as required.

Job Requirements

8-10 years of related systems engineering experience.


  • Proficiency with TCP-IP and IPv4; IPv6 desired
  • Linux competency
  • Ability to manage multiple ongoing firewall change requests
  • Hands-on firewall changes, updates, and upgrades
  • General network security and system security experience
  • Ability to discuss troubleshooting; problems and solutions encountered

Benefits of this Position:

  • Opportunity for Fast Growth within the program
  • Onsite Gym – get your workout in before work, during your lunch break, or at the end of the day
  • Professional Development Assistance –  Covering the Cost of Obtaining Professional & Technical Certifications (depending on program)
  • Educational Reimbursement –  toward degree programs and individual coursework
  • 401K Match – with 100% vesting on day one
  • Health, Dental and Vision Coverage to keep you healthy, starting your first day
  • We know work-life balance is important, GDIT offers Paid Time Off, Plus 10 Paid Holidays
  • Parking and transit commuter benefits


Why Work at General Dynamics IT?

  • Work with top talent and some of the brightest minds in your field 
  • Support missions that make a difference to our Nation
  • Become part of an organization that that is committed to the highest ethical standards in all that we do 
  • Thrive in the stability of a large organization, with the ability to move onto new opportunities, supporting different missions, building your career within GDIT
  • Want to move, or find a job close to home? We have positions in several locations in the United States and the world
  • Enjoy a culture that supports work-life balance


General Dynamics is a Fortune Blue Ribbon Company and Clearance Jobs Top 10 Government Contractor.



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 - Minorities/Females/Protected Veterans/Individuals with Disabilities.