Senior Datacenter Network Engineer — HPC & Automation

Linuxconfig; Austin, Northern (TX, KY); Hybrid; USD 140,000 - 210,000; Full time

Benefits offered by this job

Premium medical insurance

Dental & Vision coverage

401(k) plan with company match

generous PTO

Job summary

Delart is hiring a senior network engineer to design, automate, and operate advanced datacenter and hardware validation lab networks. You will drive L2/L3 architecture, automation, and timing management for scalable bring-up and provisioning.

You will lead engineering of leaf/spine fabrics, EVPN/VXLAN overlays, and precision timing, while ensuring security and observability across global accelerator and HPC projects.

Qualifications

• 10+ years in hands-on network engineering, datacenter/lab ops, or validation networks in large-scale or HPC environments.
• Advanced proficiency with at least one modern datacenter NOS (Arista EOS, Cisco NX-OS, Juniper, or SONiC) and automation via APIs.
• Mastery of L2/L3 protocols: VLANs, loop prevention, LAG, IPv4/IPv6, DHCP relay, PXE boot, SLAAC, BGP (eBGP, prefix policy).
• Demonstrated experience with precision timing (PTP/IEEE 1588) and lossless Ethernet (PFC) in AI/HPC environments.
• Proven skills in Python network automation, device APIs, Jinja2 templating, and version-control/config-as-code.

Responsibilities

• Architect, deploy, and maintain datacenter networks with focus on reliability and security.
• Design and operate L2/L3 solutions including VLANs, IPv6, BGP, EVPN/VXLAN.
• Engineer leaf/spine fabrics and EVPN overlays for scalable topology.
• Manage timing infrastructure: PTP grandmaster/boundary/transparent clocks.
• Validate optical/physical plant: fiber types, connectors, testing hardware.
• Enforce access security: 802.1X/MAB, RADIUS, onboarding, quarantine VLANs.
• Lead automation: Python APIs, templating, and code-driven config management.
• Maintain data hygiene and documentation across inventory and ports.

Skills

Datacenter NOS

L2/L3 protocols

Python automation

Jinja2 templating

BGP EVPN/VXLAN

IPv4/IPv6

PTP timing

Linux networking

802.1X security

Network observability

Tools

Python

Jinja2

Chef

Git

CI/CD tooling

Job description

Delart is hiring a senior network engineer to design, automate, and operate advanced datacenter and hardware validation lab networks. You will drive L2/L3 architecture, automation, and timing management for scalable bring-up and provisioning.

You will lead engineering of leaf/spine fabrics, EVPN/VXLAN overlays, and precision timing, while ensuring security and observability across global accelerator and HPC projects.