We are looking for an experienced Lead Development & Sustenance Engineer with strong expertise in SD-WAN Appliance, Data Plane, Control Plane, and Platform Sustenance.
? Key Responsibilities
Drive complex production/customer issues from triage through root-cause analysis, development, validation, and closure.
Design, develop, debug, and sustain SD-WAN Data Plane, Control Plane, and platform components.
Develop fixes and new features with strong focus on performance, scalability, reliability, and backward compatibility.
Troubleshoot complex issues across packet processing, routing, sessions, policy, HA, configuration, and OS/hardware interactions.
Improve product observability, diagnostics, logging, telemetry, and troubleshooting tools.
Collaborate closely with Engineering, QA, Product, and Release teams to deliver high-quality releases.
Contribute to regression prevention, release readiness, technical debt reduction, and product quality improvements.
? Required Skills & Experience
10–20 years of software engineering experience in networking, distributed systems,



or carrier/enterprise-grade products.
Strong C/C++ programming and hands-on experience debugging multi-threaded, performance-sensitive systems.
Deep understanding of IP networking – IPv4/IPv6, TCP/UDP, routing, OSPF, BGP, forwarding, tunneling, NAT, QoS, and packet flows.
Mandatory: Hands-on experience with LACP, Link Aggregation, and interface management.
Robust hands-on experience with SD-WAN / Router / Firewall / Networking appliances.
Strong Linux systems knowledge and understanding of networking stack, IPC, system calls, memory, crash/core analysis, and performance debugging.
Hands-on experience with GDB, packet capture tools, profilers, tracing, logs, telemetry, and automated testing.
Experience handling production defects, intermittent issues, scale/performance issues, and release-branch fixes/backports.
Mandatory: Experience with issue triaging using SlashTriage and AI-augmented engineering tools.
St

📌 Lead Development (Hyderabad)
🏢 Veltris
📍 Hyderabad