Senior Network Systems Engineer
Location: St. Louis, MO – Hybrid preferred; remote allowed for the right candidate
Openings: 2
Employment: W2 Only
Work Authorization: USC, GC, and H-1B Transfer candidates accepted. No OPT/CPT.
We are hiring Senior Network Systems Engineers to design, build, and support the network behavior required to move live customer traffic between paired systems without disrupting persistent connections.
Required Skills
• Strong hands-on Layer 2 and Layer 3 networking
• TCP/IP and socket behavior
• Routing, ARP/GARP, VLANs, and NAT
• High-availability and active-active networking patterns
• Linux networking and systems troubleshooting
• Wireshark, tcpdump, or equivalent packet-analysis tools
• Experience supporting resilient, mission-critical network services
Preferred
• Fortinet, Cisco, F5, HAProxy, NGINX, or Envoy
• Financial transaction, telecom, network-appliance, or other mission-critical environments
• Linux kernel networking, eBPF, or low-level network diagnostics
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