• Location: Herndon, Virginia
  • Type: Contract
  • Job #1893

Title: Network Engineer

Location: McLean, VA

*Clearance: *Active TS/SCI w/ Polygraph needed to apply *


Company Overview:

Cornerstone Defense, in partnership with our military, intelligence, and civil government customers, supports U.S. operations worldwide through the use of many different types of intelligence, satellite, and cyber technologies. Cornerstone’s Intelligence Sector provides solutions to the United States Government for information collection, operations, exploitation and dissemination, and research activities. Our Team specializes in software development, cloud architecture, systems and network engineering, systems integration, agile management, as well as targeting operations and intelligence analysis. Our support to our mission customers includes cyber network operations, exploitation and defense, signals intelligence, human intelligence, and critical missions and networks.


Job Description:

The Londinium program is seeking a Network Engineer to support the Sustainment and Maintenance of a dynamic network environment hosting a number of data feeds at varying levels of classification. The Network Technician will work both independently and as a member of an integrated product team supporting a wide variety of basic and complex network configurations related to desktop, server and storage area network (SAN) hardware.

The Network Engineer will assist with maintaining network designs and documentation, planning and applying upgrades and security patches to network devices in order to keep them current and compliant with information security requirements, and perform a wide variety of sustainment and maintenance activities, including troubleshooting and problem resolution.

Responsibilities include, but are not limited to the following:

  • Assisting the System Administrators with IP address assignments and switch port configurations on existing and new workstation/server installations
  • Assisting the Lead Network Engineer in developing and implementing Information Technology (IT)/Network plans
  • Managing network operations using simple network management protocol (SNMP) network management tools
  • Diagnosing and troubleshooting network problems with network protocol capture/decode analyzers
  • Planning and building networks from open systems interconnect (OSI) Layer 1 through Layer 3
  • Managing TCP/IP internetworking connectivity to include addressing and sub-netting
  • Monitoring network traffic to ensure key devices are active and free of errors
  • Installing, configuring, updating and documenting the physical cable plant
  • Installing, configuring, updating and documenting network hardware (switches, routers, adaptive security appliances (ASAs), transceivers, media converters, etc.)
  • Installing, configuring, managing network security (firewalls, IP blocking)
  • Configuring and managing virtual private networks (VPNs)
  • Serving as the primary point of contact for network engineers from the Office of the Chief Information Officer (CIO) and other IT organizations external to the Sponsor’s Laboratory


Required Skills:

  • 3-5 year of HANDS-ON network installation experience in an IC environment-racking/stacking, cabling, etc.
  • Six (6) years' experience with Cisco Catalyst Switches and other network hardware
  • Seven (7) years’ experience in the intelligence community as a network engineer or network administrator
  • Ability to lift up to 35lbs
  • Strong understanding of cabling types/standards
  • Familiarity with Cisco Catalyst switches and network firewall concept
  • Basic knowledge of network fundamental concepts like firewalls, servers
  • Willingness to perform Layer 1 tasks on a regular basis (pulling cable, racking/stacking, equipment removal, etc.)
  • Good troubleshooting skills
  • Familiarity with MS Visio to produce network diagrams
  • Willingness to become more involved with Network Administration tasks as experience is gained
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