Network Engineer

Blackstone Talent Group, an award-winning technology consulting and talent agency, is seeking a Network Deployment Engineer III to join our client's team. This job requires an active DoD secret security clearance to start. Position Overview We are seeking a Network Engineer III to support the implementation, maintenance, troubleshooting, and optimization of enterprise network infrastructure within a mission-critical environment. This role is responsible for ensuring reliable connectivity across complex LAN/WAN environments while supporting network upgrades, deployments, and operational activities. The ideal candidate will have hands‑on experience with multi‑vendor network environments, strong troubleshooting skills, and the ability to independently perform network installations and support activities at remote locations. Key Responsibilities Configure, maintain, and troubleshoot routers, switches, firewalls, and related network infrastructure. Monitor network performance, availability, and reliability, proactively identifying and resolving connectivity issues. Support and implement routing, switching, and network security technologies across enterprise environments. Troubleshoot network incidents involving LAN, WAN, and transport systems, performing root cause analysis and documenting findings. Implement and support technologies including VLANs, OSPF, BGP, GRE tunnels, UDP multicast, and TCP/IP network architectures. Collaborate with engineering and operations teams to support network upgrades, changes, and infrastructure modernization efforts. Travel to remote locations to lead network installations, perform troubleshooting, and provide technical status updates. Support critical operational activities, including occasional evening and weekend work as required. Maintain technical documentation, network diagrams, and operational procedures. Required Qualifications Active Secret Security Clearance. Minimum 3 years of network engineering experience in enterprise or government environments. IAT Level II certification (Security+, GSEC, SSCP, CISSP, CISA, or equivalent). Current CCNA or JNCIA certification. Strong understanding of: OSI Model, TCP/IP, Networking, OSPF and BGP Routing Protocols. Network Design and Testing Methodologies. Experience with network traffic analysis, diagnostics, and troubleshooting. Experience administering and supporting: Cisco and Juniper routing and switching platforms. Juniper, Palo Alto, and Fortinet firewalls. Preferred Qualificat"ions CCNP or JNCIP certification. Experience with: VMware NSX, vSAN. DoD cybersecurity requirements, including STIG compliance and accreditation activities. This position offers the opportunity to support a highly visible, mission‑focused program operating within a complex enterprise networking environment supporting national defense objectives. #J-18808-Ljbffr