Sr Mgr, Software Engineering

Ruckus Networks

10 - 15 years

20 - 25 Lacs

bengaluru

Posted:-1 days ago| Platform:

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Skills Required

wireless nat c++ networking qos memory management soc linux kernel embedded linux python

Work Mode

Work from Office

Job Type

Full Time

Job Description

Wi-Fi Access Point Dataplane Architecture: Deep understanding of L2/L3 packet forwarding, bridging, NAT, QoS, and WLAN datapaths across enterprise and carrier-grade APs.
Linux Kernel Networking & Upgrades: Proficient in kernel module development, kernel version transitions and maintaining compatibility with vendor patches and custom networking stacks.
Tunnel Offloading & Acceleration: Expertise in designing and implementing offload paths for encrypted overlay tunnels (e.g., vXLAN over IPsec, GRE), leveraging hardware accelerators or fast path engines (e.g., NSS, DPDK).
Performance Optimization: Skilled in identifying and resolving throughput bottlenecks, interrupt mitigation, CPU/core affinity tuning, DMA optimization and fast-path implementation.
Security Enhancements: Strong focus on secure tunnel management, IPsec optimizations, key handling, anti-replay protection and maintaining end-to-end encryption performance.

Required Qualifications for Consideration

10+ years of work experience in developing AP Data Plane software for wired and wireless platforms
BTech/MTech, BS/MS in CS or EE
2+ years in a technical leadership or engineering management in Wi-Fi
Strong knowledge of Linux kernel networking, especially in areas like netfilter, xfrm (IPsec), routing, bridging, and traffic control.
Hands-on expertise in Linux kernel upgrades and aligning with SoC vendor release cycles.
Deep understanding of dataplane performance optimization, including DMA tuning, interrupt mitigation, and memory management.
Experience designing or optimizing encrypted tunneling protocols such as vXLAN over IPsec, GRE with a focus on hardware/software offload.
Familiarity with hardware acceleration techniques (e.g., NSS, DPDK, eBPF, or platform-specific fast paths).
Solid foundation in IPsec architecture, key exchange mechanisms, anti-replay, and secure tunnel lifecycle management.

Strong programming skills in C/C++, scripting experience in Python or Bash.
Experience with OpenWRT or similar embedded Linux build systems.

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