By Light HQ

Network Engineer III

Job Locations US-MD-Fort Meade
Posted Date 1 week ago(6/22/2022 9:34 AM)
# of Openings
TS/SCI w/ Polygraph


By Light Company is seeking a Network Engineer 3.  This position performs engineering services to enable all aspects of network management from network design through implementation, maintenance, sustainment of existing networks, and identification/correction of complex internetwork issues. 

  • Implement and sustain Wide area networks (WANs), Campus Area Networks (CANs), Data Center Networks/Interfaces (DCN/DCI), Network Security (NETSEC) and Tactical/Deployable Networking Systems.
  • Analyze design, specifications, and related documents.
  • Implement communication system requirements to support the distributed functionality of a networked enterprise environment.
  • Analyze network characteristics (e.g. traffic connect time, transmission speeds, packet sizes and throughput), troubleshoots problems and recommends modification of network configurations.


  • Resolve complex network problems, operate network analyzers, WAN test equipment and network simulators.
  • Perform site surveys, system installations, configuration management, maintenance, modernization, and sustainment of a global Enterprise Network.
  • Perform Connectivity engineering services to pre and post deployment tests.
  • Implement specific network solutions to support server requirements to include load-balancing, VPN's, firewall contexts, and network address translation (NAT) where appropriate.
  • Minimize network latency and maximize data throughput.
  • Validate new and existing dataflow and data formats.
  • Lead large efforts of dynamic requirements and scale.
  • Work with System engineers, customers, and cross-organizational teams to refine requirements.
  • Coordinate with appropriate dataflow organizations and end-customer recipients, follow-on data repositories and tasking organizations and understand potential adverse impacts on system-wide dataflow.
  • Perform security testing and design evaluations.
  • Employ Government standards to configure the interconnects between data centers, networks and security boundaries.
  • Draft technical requirements, configuration management, and planning documentation.
  • Perform QC, QA, and CM services.
  • Design, integrate, configure, deploy, test and maintain numerous types of network devices, interfaces and technologies to include VPN, VRF, VSS, BGP and OSPF routing, and VLAN.
  • Optimize end-to-end system performance (capacity, margins, data quality etc.) and dataflow management.
  • Configure and optimize the network to connect various front-end and back-end components.
  • Coordinate with the system engineering and dataflow efforts to ensure proper mission operations with minimal down time.
  • Facilitate the implementation of high-speed, scalable, fault-tolerant network topologies as applicable to WAN and LAN design.

Required Experience/Qualifications

  • Twelve (12) years' experience in programs and contracts of similar scope, type, and complexity is required.
  • Bachelor's degree in engineering from an accredited college or university is required. Four (4) years of additional network engineering experience may be substituted for a Bachelor's degree.
  • An IAT level III baseline certification as defined by DoD 8570.01-M is required. An IAT II will be accepted (Security + CE, GSEC, or SSCP) if the candidate obtains an IAT level III (CISA, CISSP, CASP, GCIH, or GCED) within 1 year of contract award and provide expected date for completion.  Replacement candidates must meet the IAT level III baseline certification requirement by the date of assignment to contract.

  • A CCNP certification or higher.
  • ITIL v3 Foundations
  • Twelve (12) years' experience in Networking (WAN/CAN/DCN/NETSEC).
  • Seven (7) years' experience in operations and maintenance of secure WAN.
  • Five (5) years' experience in operations and maintenance of routed LAN/CAN, routed WAN and switched LAN networks.
  • Three (3) years’ experience operating and maintaining service provider MPLS WANs.
  • Three (3) years’ experience troubleshooting secure network issues.
  • One (1) year experience operating and maintaining Agency external (1P, 2P etc.) boundaries (peering points).
  • Five (5) years' experience with Data Transport (store and forward) systems, DOD Formal Messaging systems (i.e. AMHS) - to include an understanding and experience with LINUX operating systems, Domain Name Service (DNS) – to include operation, configuration and sustainment.


Special Requirements/Security Clearance

  • Requires a current TS/SCI with full-scope polygraph.
  • By Light does not require COVID-19 vaccinations or boosters; vaccination requirements and testing are subject to the status of the federal contractor mandate and customer site requirements; testing is at the cost of the employee.



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