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Senior Network Engineer

Neysa Networks

Posted On: 2026-08-17 19:26:16
Openings: 10
Applicants: 0

Job Description

Job Description

About the Role

We re building AI/HPC infrastructure that powers the next generation of high-performance computing. As a Network Engineer, you ll responsible to design, build, and operate large-scale network fabrics that support GPU clusters, HPC workloads, and mission-critical AI systems. You ll engage across the full lifecycle from requirements gathering and architecture design through deployment, optimization, and operational support. This is hands-on infrastructure work.

What you ll be doing:

Design and deploy EVPN-VXLAN Clos/Leaf-Spine Ethernet fabrics and InfiniBand networks for high-performance computing environments

Configure and troubleshoot BGP, OSPF, VXLAN, and EVPN protocols across multi-vendor platforms (Arista, Cumulus, SONiC, Juniper, Cisco)

Deploy lossless fabrics (Ethernet and InfiniBand) which use RDMA technologies for high-performance computing.

Build and validate network topologies in lab environments using simulation tools (NVIDIA Air, GNS3, EVE-NG)

Develop and optimize network automation solutions using Python and Ansible for network infrastructure

Support operational excellence: monitor network health, troubleshoot production issues, and coordinate with vendors for rapid resolution

Create comprehensive documentation, operational runbooks, and knowledge bases for customer support and knowledge transfer

What we need to see:

Core Networking (10+ years)

Deep expertise in TCP/IP stack, Layer 2/3 switching, routing, and data center architecture

Expert-level knowledge of BGP, OSPF, EVPN, and VXLAN (5+ years hands-on experience)

Strong understanding of Clos/Leaf-Spine fabric design and multi-tier network architectures

Advanced network troubleshooting using packet sniffers, analysis tools, and diagnostic techniques

Hands-on with at least one network operating system viz. Arista EOS, Cumulus Linux, Cisco, Nokia SR Linux etc.

Configuration, testing, validation, and issue resolution on these platforms in production environments

Ethernet lossless networking concepts (PFC, ECN, DCQCN, RoCEv2)

InfiniBand networks for HPC: configuration, troubleshooting, and performance optimization in large-scale environments

Linux networking knowledge

Automation Infrastructure-as-Code

Expert-level Python scripting for network automation and tooling

Extensive experience with Ansible, Salt, or equivalent infrastructure automation frameworks

Ability to develop CI/CD pipelines for network infrastructure provisioning and testing

Git version control and Infrastructure-as-Code practices

Lab environment simulation and topology validation using NVIDIA Air, GNS3, EVE-NG, or similar tools

Ways to stand out from the rest:

Networking certifications: Cisco, Arista, Nokia, Nvidia or equivalent

Linux Certifications

Kubernetes and Docker; container networking

Cloud networking: AWS, GCP, Azure; hybrid cloud and on-premises integration

Personal GitHub repository with Python examples and evidence of coding expertise

Minimum Qualifications:

Bachelor s degree in computer science, Electrical/Computer Engineering, Physics, Mathematics, or related field (or equivalent industry experience) years of networking fundamentals and data center architecture 5+ years of hands-on EVPN/BGP/VXLAN experience Proficiency in at least one major platform (Arista, Cumulus, SONiC, Juniper, Cisco) Production troubleshooting experience.

Soft Skills:

Strong problem-solving and debugging abilities

Ownership mindset with accountability for deployment quality and customer success

Cross-functional collaboration with other teams

Proactive approach to continuous learning and staying current with AI infrastructure trends

Strong documentation and presentation skills, with ability to defend design decisions in peer reviews.

Disclaimer: This job posting has been aggregated from external source. Role details, content, and availability are subject to change. Applicants are advised to confirm the latest information directly on the company website before applying.