Firmware Engineer

1 day ago

Bengaluru, Karnataka, India RapidBrains Full time ₹ 24,00,000 - ₹ 30,00,000 per year

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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