Remote - Senior Network Systems Engineer

Key Cloud Partners; St. Louis (MO); Híbrido; USD 120.000 - 150.000; Jornada completa

Descripción de la vacante

Key Cloud Partners in St. Louis is seeking Senior Network Systems Engineers to design, build, and support networks moving live customer traffic between paired systems without disrupting persistent connections.

The role requires strong hands-on Layer 2/3 networking, TCP/IP, routing, VLANs, NAT, and Linux networking expertise. Hybrid/remote options are available for the right candidate, with W2 employment and US work authorization.

Formación

• Senior-level network engineering experience required.
• Strong hands-on expertise with Layer 2/3 networking and routing.
• Experience in high-availability and active-active patterns.

Responsabilidades

• Design, build, and support network behavior to move live customer traffic between paired systems without disrupting connections.
• Maintain high availability and implement resilient, scalable network solutions.
• Troubleshoot complex network issues and optimize performance across environments.

Conocimientos

Layer 2 networking

Layer 3 networking

TCP/IP and sockets

Routing

VLANs

NAT

High-availability

Linux networking

Troubleshooting

Network service resilience

Herramientas

Wireshark

tcpdump

Descripción del empleo

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:

• Financial transaction, telecom, network-appliance, or other mission-critical environments
• Linux kernel networking, eBPF, or low-level network diagnostics

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