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Principal Network Engineer



SAIC Corporation
August 26, 2020
Arlington, VA
Job Type



SAIC is hiring a Principal Network Engineer with an active Top Secret/SCI clearance to support our customer in Arlington, VA.

The successful candidate will work with a diverse team of analysts, linguists, cultural experts, and operations officers, focused on creating and recognizing targeting opportunities and strategies in the cyber-realm.  The Principal Network Engineer will primarily deal with project-type work.

Daily responsibilities include:

  • Support a variety of networks & systems in a mission-critical enterprise environment.  
  • Demonstrate excellent communication skills and the ability to work as part of a small team, without a constant management presence.  
  • Troubleshoot network issues, and customer service skills, including the ability to defuse situations, and to deal with individuals who might not fully understand the technology, is required.  
  • Work in a team of various government, subcontractor, and SAIC personnel.    



  • Minimum of nine (9) years of experience with a Bachelors degree or twelve (12) years of experience with a Master’s Degree. Additional years of experience may be considered in lieu of a degree.
  • Security+ or CISSP certification on day one per contract requirements
  • Advanced Knowledge of TCP/IP, network infrastructure, and networked appliances, to include administrative access and configuration experience.  MUST be fully conversant in the OSI model.
  • Experience with Cisco infrastructure equipment – routers, switches, SAN switch fabrics, VoIP telephones.
  • Advanced knowledge of Ethernet networking.
  • Advanced knowledge of physical wiring plants, including copper, fiber, and SFP+ connections.
  • Ability to troubleshoot production networks in real time without causing down time.
  • Ability to trace network issues to their source, and to remediate issues with little supervision.
  • Knowledge of telecommunications networks, including PSTN, ISDN (BRI and PRI), ATM, MPLS, Point-to-Point, Frame Relay, etc.
  • Advanced knowledge of switch fabrics, layered infrastructure design, trunked interconnectivity, and VLANs.
  • Knowledge of printers, networked print queues, and basic maintenance.
  • Knowledge of network-attached storage systems and iSCSI-based SANs.
  • Knowledge of rules and procedures for handling government classified and proprietary information. 


  • Knowledge of classified communication systems.
  • Experience working with serial console terminal servers.
  • Knowledge of Mac OSX is desired, but not required.
  • Knowledge of UNIX and Linux systems.
  • Knowledge of VMWare ESXi, vSphere, vCenter.
  • Knowledge of VPN technology and implementation.
  • Working knowledge of popular, legacy, and new social media, blog sites, and mobile applications.


  • Active Top Secret clearance with SCI with the ability to pass a polygraph


SAIC is a premier technology integrator solving our nation's most complex modernization and readiness challenges. Our robust portfolio of offerings across the defense, space, civilian, and intelligence markets includes high-end solutions in engineering, IT, and mission solutions. Using our expertise in existing and emerging technologies, we integrate the best components from our own portfolio and our partner ecosystem to deliver innovative, effective, and efficient solutions. We are 25,500 strong; driven by mission, united by purpose, and inspired by opportunities. Headquartered in Reston, Virginia, SAIC has pro forma annual revenues of nearly $7.1 billion. For more information, visit For ongoing news, please visit our newsroom. For SAIC benefits information, see Working at SAIC. EOE AA M/F/Vet/Disability

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