Senior SD-WAN & IP Networking - Sr Software Engineers

Location: Bengaluru

Role Summary

We are looking for a highly skilled  Network Software Engineer  with strong expertise in  SD-WAN and IP networking , combined with solid  C/C++ development on Linux platforms . The ideal candidate will design, develop, and support next-generation networking solutions, working closely with cross-functional teams to deliver scalable and reliable network software.

Key Responsibilities

Design, develop, and maintain networking software components using C/C++ on Linux
Contribute to SD-WAN solutions, including control plane and data plane development
Implement and troubleshoot IP networking protocols (TCP/IP, BGP, OSPF, VPN, QoS, etc.)
Work on packet processing, routing, forwarding, and traffic engineering features
Debug complex networking and system-level issues in Linux environments
Participate in architecture discussions and technical design reviews
Collaborate with QA, Dev Ops, and product teams to deliver high-quality releases

Required Skills & Experience

Networking

Strong fundamentals in IP networking: TCP/IP, routing & switching
Hands-on experience with SD-WAN technologies/architectures
Knowledge of routing protocols such as BGP, OSPF

Experience with VPNs (IPSec/SSL), QoS, NAT, firewall concepts
Understanding of L2/L3 networking and packet flow
Experience implementing, customizing or porting network stacks. Experience working on Industrial Routers is an advantage.
Ability to design modular, scalable, and maintainable embedded software systems.
Should have worked in Agile development

Programming & Systems

Strong proficiency in C/C++
Solid experience developing on Linux
Familiarity with multithreading, memory management, and performance tuning
Experience debugging using tools like gdb, tcpdump, wireshark, strace

Dev & Tooling

Experience with Git, build systems (Make/CMake), and CI/CD pipelines
Exposure to scripting (Python/Bash) is a plus

Nice to Have

Experience with DPDK, VPP, Netlink, or kernel networking
Knowledge of cloud networking (AWS/Azure/GCP)
Exposure to containerization (Docker/Kubernetes)
Experience in working on switches with BCM/Marvell ASICs as the Forwarding Plane and using the underlying SDK APIs and/or working with Cisco network routers and switches
Prior experience building carrier-grade or enterprise networking products

Qualifications

Bachelor's or Master's degree in Engineering with Computer Science, Electronics, or related field