Senior Network Engineer, Data Center & HPC Networking (Onsite PA)

SpaceXSI; Palo Alto (CA); On-site; USD 180,000 - 330,000; Full time

Benefits offered by this job

Equity

Medical, vision, dental

401(k) retirement plan

Disability & life insurance

Job summary

SpaceXSI is seeking a Sr. Network Engineer to design, deploy, and operate large-scale datacenter and campus/core networks. You’ll own routing and switching standards (BGP and an IGP), qualify new platforms, and contribute to architecture and capacity planning.

Travel to build sites may be required, and you’ll participate in on-call rotation. Ideal candidates have 5+ years in production networks, strong TCP/IP/EVPN/VXLAN knowledge, and hands-on experience with modern vendors (Arista, Cisco,

Qualifications

• Bachelor’s degree or higher in computer science, computer engineering, electrical engineering, or engineering discipline.
• 5+ years of experience designing and/or operating production networks in a datacenter, ISP, cloud, or large enterprise environment.
• Experience troubleshooting live production network incidents and participating in on-call.
• Experience with BGP and at least one interior routing protocol.
• Strong written and verbal communication; clear change docs and incident notes.
• Working knowledge of TCP/IP, VLANs, EVPN/VXLAN or equivalent datacenter overlays.

Responsibilities

• Design, deploy, and operate production datacenter and campus/core networks at scale
• Own routing and switching configuration standards (BGP and at least one IGP such as OSPF or IS-IS), including change design, peer reviews, and execution
• Qualify new network platforms, optics, and topologies; contribute to architecture and capacity planning
• Build and improve monitoring, alerting, and operational documentation so issues are caught and fixed quickly
• Troubleshoot Layer 2/Layer 3 incidents end to end — from link flaps and optics through routing and traffic engineering — and drive root cause and lasting fixes
• Automate repetitive network tasks with Python, Ansible, or similar tooling where it reduces toil
• Partner with compute, facilities, and software teams during cluster build-outs and maintenance windows
• Support high-performance / supercompute network environments (Ethernet AI/HPC fabrics, RoCE/RDMA-capable designs) as part of the broader network estate

Skills

BGP

OSPF/IS-IS

TCP/IP

EVPN/VXLAN

Python

Ansible

Automation

Vendor knowledge

RoCE/NCCL

On-call support

Education

Bachelor’s degree or higher in CS/ENG

Tools

Arista

Cisco

Juniper

NVIDIA/Mellanox

Job description

SpaceXSI is seeking a Sr. Network Engineer to design, deploy, and operate large-scale datacenter and campus/core networks. You’ll own routing and switching standards (BGP and an IGP), qualify new platforms, and contribute to architecture and capacity planning.

Travel to build sites may be required, and you’ll participate in on-call rotation. Ideal candidates have 5+ years in production networks, strong TCP/IP/EVPN/VXLAN knowledge, and hands-on experience with modern vendors (Arista, Cisco,