Network Engineer

Infotree Global Solutions; Austin (TX); Hybrid; USD 130,000 - 170,000; Full time

Job summary

Infotree Global Solutions is seeking a Private Cloud HPC Network Engineer to design, deploy, and operate a new on-prem OpenStack-based private cloud. The role focuses on high-performance networking, Leaf-Spine architectures, and integration with Neutron, OVN, and ML2.

You will collaborate with compute, storage, and platform engineering teams to deliver scalable, resilient cloud infrastructure, leveraging RDMA/InfiniBand, BGP, EVPN, VXLAN, and modern automation tools.

Qualifications

• Strong experience designing and supporting high-performance or large-scale compute environments using RoCE, RDMA or InfiniBand in a Cisco NX-OS and/or Arista EOS.
• Deep understanding of BGP routing and network architectures, Leaf-Spine network, Layer 2 and Layer 3, ECMP, EVPN and VXLAN and network resilience.
• Exposure to newer technologies such as SmartNICs, DPUs & NVMe-over-Fabrics.
• Practical experience of OpenStack network services and developing integrated network automation and API driven interfaces.
• Strong HPC network observability, troubleshooting and performance tuning skills.

Responsibilities

• Design and evolve network architecture, standards and patterns for large-scale Private Cloud OpenStack and HPC environments.
• Develop scalable Leaf-Spine architectures using technologies including BGP, EVPN, VXLAN and ECMP.
• Design networking for high-performance compute, storage and latency-sensitive engineering workloads.
• Evaluate technologies including SR-IOV, SmartNICs, DPUs and high-performance Ethernet.
• Integrate physical network infrastructure with OpenStack networking services including Neutron, OVN and ML2.
• Define network architecture for virtual machines, bare-metal workloads and Kubernetes platforms.
• Perform performance analysis, network optimization and lead technical evaluation and benchmarking of networking technologies and vendors.
• Lead network security architecture and threat modelling while also leading complex cross-domain issues spanning compute, storage, networking and HPC applications.

Skills

BGP routing

Leaf-Spine

EVPN

VXLAN

ECMP

OpenStack networking

RDMA/InfiniBand

ROCE

HPC networking

Network security architecture

Tools

Cisco NX-OS

Arista EOS

OpenStack Neutron

OVN

ML2

Python

Ansible

Terraform

Job description

Location: Austin, TX, 78735 (Hybrid - 2 Days in office)

Only U.S. Citizens and Green Card (GC) Holders are eligible for this role.

NOTE: This is a W2 role

Overview

• This is a fantastic opportunity to join a newly formed Private Cloud team.
• We are responsible for the design, deployment and operations of a new greenfield on-prem private cloud based on OpenStack.
• The Private Cloud HPC Network Engineer will help design, build and evolve the high-performance network architecture underpinning our Private Cloud platform that will be used for HPC workloads.
• The role combines deep data-center and HPC networking expertise with modern cloud networking, software-defined infrastructure and automation.
• As part of the Private Cloud team, you will collaborate closely with compute, storage, platform engineering teams to deliver a scalable, resilient and highly automated cloud infrastructure.

Responsibilities

• Design and evolve network architecture, standards and patterns for large-scale Private Cloud OpenStack and HPC environments.
• Develop scalable Leaf-Spine architectures using technologies including BGP, EVPN, VXLAN and ECMP.
• Design networking for high-performance compute, storage and latency-sensitive engineering workloads.
• Evaluate technologies including SR-IOV, SmartNICs, DPUs and high-performance Ethernet.
• Integrate physical network infrastructure with OpenStack networking services including Neutron, OVN and ML2.
• Define network architecture for virtual machines, bare-metal workloads and Kubernetes platforms.
• Perform performance analysis, network optimization and lead technical evaluation and benchmarking of networking technologies and vendors.
• Lead network security architecture and threat modelling while also leading complex cross-domain issues spanning compute, storage, networking and HPC applications.

Required Skills and Experience

• Strong experience designing and supporting high-performance or large-scale compute environments using RoCE, RDMA or InfiniBand in a Cisco NX-OS and/or Arista EOS.
• Deep understanding of BGP routing and network architectures, Leaf-Spine network, Layer 2 and Layer 3, ECMP, EVPN and VXLAN and network resilience.
• With exposure to newer technologies such as SmartNICs, DPUs & NVMe-over-Fabrics.
• Practical experience of OpenStack network services and developing integrated network automation and API driven interfaces.
• Strong HPC network observability, troubleshooting and performance tuning skills.

“Nice To Have” Skills and Experience

• Strong Linux knowledge and Kubernetes networking.
• Exposure to SR-IOV and DPDK.
• Demonstrable hands-on Python, Ansible and Terraform experience.
• Using SRE principles in the creation of SLI/SLO and error budgets