Technical Expert / Functional Expert – Network Engineering

Position Overview: Seeking an experienced Network Engineer to design, install, configure, troubleshoot, and optimize enterprise data center networks and high-performance computing (HPC) storage fabrics.

Key Responsibilities: Design, install, configure, troubleshoot, and optimize network routers, switches, firewalls, load balancers, and security devices. Support enterprise and data center network architecture, security boundaries, and IPsec VPNs. Support Cisco, Juniper, and Arista networking technologies. Configure and troubleshoot HPC storage fabrics, including InfiniBand, Fibre Channel SANs, and TCP/IP storage networks. Administer and troubleshoot Lustre file systems and DDN ExaScaler appliances. Perform packet analysis and performance benchmarking using tools such as IOR, iperf, FIO, and lnet_selftest. Develop network architecture diagrams and technical documentation. Learn and support emerging HPC technologies, including E1000 systems, ESNs, DAOS, and Weka.

Required Qualifications: 10 years of relevant experience with a degree, or 15 years without a degree, in network engineering, architecture, monitoring, and security. ActiveTS/SCI clearance with Full Scope Polygraph. Expert-level experience with Cisco routers, switches, firewalls, and network security technologies. Strong TCP/IP networking, data center architecture, and troubleshooting skills. Experience with InfiniBand, Fibre Channel SANs, Lustre, and DDN ExaScaler. Familiarity with packet capture tools and network performance benchmarking. Strong analytical, problem-solving, and communication skills.