By Light HQ

Sr. IP Network Engineer

Job Locations US-MD-Fort Meade
Posted Date 2 months ago(10/6/2021 3:12 PM)
# of Openings
Tier 3 - Secret/ADP II


By Light seeks a Senior IP Network Engineer with an active Secret clearance to join our team supporting DISA’s Infrastructure Directorate.  We are looking for top notch IP engineers that are experts in Multiprotocol Label Switching (MPLS) and routing protocols, such as BGP and ISIS, to architect the next generation of NIPR and SIPR backbone. 


  • Provide technical expertise in design review, lab testing & test report, and implementation plans of new advanced large-scale complex DoD networks.  
  • Perform test and certification for hardware and software
  • Support initial implementation with architecture and lab testing
  • Provide lifecycle engineering of network architecture
  • Implement MPLS services offering on the DISN network which include L3VPN, L2VPN, VPLS (Virtual Private LAN service) and CsC (Carrier Supporting Carrier).
  • Support mission partners to satisfy the interoperability requirements
  • Investigate and recommend emerging insertion technologies (i.e. new features, capabilities, etc.)
  • Provide Information Assurance (IA) testing and assessment support
  • Provide operational network and theater Network Operational Center (NOC) escalation support (Tier III) when needed.
  • Provide required documentation in support of Configuration Control Boards (CCB) changes as required.
  • Support future DISN architectural changes, such as Software Defined Networking (SDN) provisioning efforts.
  • Document the current system architecture.
  • Provide emerging insertion technologies (i.e. new features, capabilities, etc.)
  • Support mission partners to satisfy the interoperability requirements

Required Experience/Qualifications

  • 7+ years of Firsthand experience designing and troubleshooting with the following:
    • Large enterprise or DoD IP design running ISIS, BGP/MP-BGP (multi AS) and MPLS routing protocols, Resource Reservation Protocol (RSVP), Label Distribution Protocol (LDP), MPLS Layer-2/Layer-3 Virtual Private Network (VPN), CsC (Carrier servicing Carrier), OSPF, Multicast
    • Extensive router regression testing which includes all protocols and services required for DISN backbone routers (Juniper or Cisco IOS & IOS-XR) .
    • Network test equipment/Traffic Generator such as IXIA, Spirent Test Center, Smartbits and Agilent N2X
  • Current or prior CCNP/CCIE or JNCIP/JNCIE

Preferred Experience/Qualifications

  • IPv6, QoS, SONET, management protocols
  • Filter Based Forwarding (FBF)
  • Multi-Hop Bidirectional Forwarding Detection (MBFD)
  • Ethernet Operation
  • Firewalls including Access Control List (ACL)
  • Operation Administration and Maintenance (OAM) Protocol and Network Management with 802.1Q and VRRP/HSRP Certificate Authority Server, ACE/SecureID Server, TACACS+, RADIUS, MS Exchange, Sendmail, Apache web server, PKI, WINS, DHCP, DNS,
  • FTP/SFTP/TFTP, SSH, NTP, and Netflow/Cflowd servers
  • Excellent interpersonal communication skills with the ability to interact with management and staff at all levels

Special Requirements/Security Clearance

  • Active Secret Clearance
  • IAT Level II 8570 Certification
  • Position requires proof of Covid-19 full vaccination status or qualified exemptions

Physical Demands

  • Lab environment 


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