Lead Network Engineer Security Clearance

Title: Lead Network Engineer
Location: McLean, VA

Active TS/SCI with Polygraph needed to apply.

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.

Lead Network Engineer (McLean, VA) – Cornerstone Defense is seeking a Lead Network Engineer to support a dynamic network environment hosting several data feeds at varying levels of classification.

• Perform a full range of complex network designs associate with the systems that are A&A on this program to encompass multiple technologies within a single network; perform upgrades to the existing network architecture (including security implementations and long-term sustainment), monitoring, and maintenance to include troubleshooting and problem resolution.
• Evaluates new network technologies and makes recommendations to the COTR/PM and SAM project manager regarding the integration of these technologies into the existing network.
• Plan new configurations for integration into the network, using knowledge of the performance characteristics of the systems being added to the network and the specifications for network interfaces to insure effective integration and optimal network performance.
• Prepare technical informational presentations for the program’s engineering review boards for approval to proceed adding new technologies to the network.
• Perform enterprise network configuration and maintenance as it relates to Cisco, Juniper, etc., network components, network encryption devices, and computer workstations.
• Configure, troubleshoot, and design Cisco routers (or other vendor) and multi-layer switches.
• Design and plan network communications systems; formulate engineering program.
• Support this program's senior leadership personnel and manage small projects from inception to completion including technical assessments, architectural design and planning, integration, testing, and implementation.
• Diagnose network failures that result in unavailable services personnel and take appropriate steps to repair or restore services.
• Maintain a network monitoring plan for the program's networks.
• Conduct testing of network designs.
• Create Layer 2/Layer 3 provisioning and configuration control board documentation.
• Provide specifications and detailed schematics for network architecture.
• Conduct network topology surveys.
• Document network infrastructure at the logical and functional levels.
• Serve as the point of contact for network engineers from the Office of the CIO and other IT organizations external to the CAC laboratory.

• Bachelor’s Degree in computer science, information systems, engineering, mathematics, or equivalent experience (~4 years).
• Ten years experience in network configuration and maintenance as it relates to network components, network encryption devices, and computer workstations.
• Advanced understanding of networking systems.
• Strong knowledge of Routing and Switching systems (Cisco preferred) with at least ten years practical experience installing and maintaining routers and switches.
• Strong knowledge of Multicast, Virtual LANs, Trunking (VLANs) and Network Security Appliances.
• Ten years experience performing the full network engineering lifecycle (i.e., design, install, test, and maintain a network system).