Firmware Engineer

4 weeks ago

India RapidBrains Full time

Job Title: Firmware Engineer (Networking & Firewall) Experience Required: 4+ years Location: Onsite (Hybrid – Bangalore, Prestige Tech Park, Kadubeesanahalli) Notice Period: Immediate to 2 weeks Overview We are seeking a highly skilled Firmware Engineer with deep expertise in networking, firewall firmware, and Linux-based NIC driver development. The ideal candidate will be experienced in designing high-performance data paths, virtualization technologies, and hardware offloads for advanced security implementations. This is a hybrid onsite role based in Bangalore (Prestige Tech Park, Kadubeesanahalli), offering up to ₹30 LPA for candidates with immediate to 2-week availability. Key Responsibilities - Design, develop, and optimize networking and hardware-based firewall firmware solutions. - Implement and enhance Linux NIC drivers with multi-ring architecture for high throughput and low latency. - Architect and optimize Rx/Tx data transfers over PCIe with focus on performance and reliability. - Contribute to virtualization implementations using SR-IOV or virtio technologies. - Develop and maintain control and data path functionality for firewalls using iptables with hardware offload. - Implement fast path networking using DPDK, eBPF, or XDP frameworks. - Integrate and offload KTLS/DTLS/IPSec features using Linux XFRM frameworks. - Collaborate with cross-functional and distributed teams for end-to-end product design and delivery. - Write clean, efficient, and maintainable code in C and Python. Requirements - 4+ years of software engineering experience, with at least 4 years in networking/firewall firmware development. - Master's degree in Computer Science, Electrical Engineering, or a related field. - Proven expertise in Linux kernel networking, NIC driver development, and firmware-level programming. - Strong understanding of PCIe architecture, SR-IOV, virtio, and network virtualization. - Hands-on experience with DPDK, eBPF, XDP, and iptables-based firewalling. - Experience in implementing TLS/DTLS/IPSec offloading and working with Linux XFRM frameworks. - Strong programming skills in C and Python. - Excellent communication and teamwork abilities in cross-functional setups. Technical Skills & Keywords C, Python, Linux Kernel, NIC Drivers, PCIe, SR-IOV, Virtio, DPDK, eBPF, XDP, iptables, Firewall Firmware, KTLS, DTLS, IPSec, XFRM Framework, Virtualization, Firmware Design, Data Path Optimization, Hardware Offload, Networking Protocols

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