Software Engineer

Company Description

Aviz Networks modernizes networking for the AI era, offering a comprehensive software-first platform that includes open networking, deep observability tools, and the AI-powered Network Copilot™. Established in 2019, Aviz is backed by leading institutional and strategic investors and operates globally in the US, India, and Japan. The company helps Fortune 500 clients unlock the potential of open and AI-driven networking, delivering efficiency, faster returns on AI investments, and multi-vendor freedom. Aviz is at the forefront of developing innovative solutions to ensure seamless integration, automation, and cost savings in modern networks.

Role Overview

We are looking for a Senior Network Software Engineer to design and implement next-generation EVPN L2/L3 services over SRv6 using FRRouting (FRR) and the Linux networking stack.

You will work on control-plane extensions (BGP EVPN, ISIS), Linux SRv6 dataplane integration, and cloud-native deployment (Kubernetes). This role involves deep systems programming, close interaction with the Linux kernel, and shaping future open-source networking capabilities.

Key Responsibilities

Control Plane (FRR)

• Extend FRR (bgp) to support for EVPN routes with SRv6 L2 Service SIDs

• Integrate ISIS SRv6 locators and SID reachability into EVPN resolution logic

• Design and implement new ZAPI extensions for SRv6 L2 dataplane control

• Contribute to FRR CLI and YANG models for SRv6-based EVPN services

Dataplane (Linux SRv6)

• Implement Linux SRv6 dataplane integration for (DT2U / DT2M / DX2 behaviors), SRv6 encapsulation

• Integrate EVPN MAC/FDB state with Linux bridges and VLANs

• Debug and optimize forwarding behavior in Linux networking stack

Cloud-Native & Platform

• Package FRR + SRv6 into containerized deployments

• Integrate with RHEL CoreOS

• Collaborate on Operator/CRD-driven network service provisioning

Collaboration & Open Source

• Participate in architecture/design reviews

• Produce high-quality design documentation

• Contribute upstream-quality code (FRR, Linux where applicable)

• Mentor junior engineers

Required Experience & Skills

Must Have

• 8+ years in network systems or kernel-adjacent development

• Strong C programming skills (production-grade)

• Hands-on experience with FRRouting (FRR) on bgpd, zebra, isisd or equivalent routing stack

• Deep understanding of BGP EVPN, SRv6, Linux networking stack (netlink, routes, bridges, FDB, VRF)

• Experience working with IPv6-only underlays

• Proven ability to debug complex distributed systems

Strong Plus

• Experience with Linux SRv6 or MPLS dataplanes

• Exposure to kernel networking code

• Familiarity with YANG / Netconf / RESTCONF

• Experience with OpenShift / Kubernetes networking

• Contributions to open-source networking projects

• Experience with DPU / SmartNIC (e.g., BlueField, Pensando)