Senior Firmware Engineer – Networking

2 days ago

Bengaluru, Karnataka, India Benlycos Pvt Ltd Full time ₹ 15,00,000 - ₹ 20,00,000 per year

About Benlycos
Benlycos designs and manufactures advanced internet-bonding routers and connectivity solutions that combine multiple links—cellular, wired, and wireless—into a single, high-performance, highly reliable connection. Our products, such as Zifilink, Clover and Bloom Bonding Router, power mission-critical applications for enterprises, broadcasters, public safety, and remote operations.

About the Role
We are looking for a Senior Firmware Engineer who will take ownership of developing, optimizing, and maintaining the firmware powering Benlycos's next-generation networking devices. This role demands deep expertise in embedded Linux, networking stacks, and hardware-software integration to deliver world-class performance and reliability.

**Key Responsibilities

  1. Firmware Development**
    Design, develop, and maintain firmware for Benlycos bonding routers on ARM/x86 platforms.

Develop and optimize device drivers for Ethernet, Wi-Fi, LTE/5G modems, and USB interfaces.

Implement advanced multi-link bonding, load balancing, and failover features.

2. System Architecture
Define firmware architecture for performance, stability, and scalability in high-reliability environments.

Integrate third-party SDKs, modem firmware, and wireless chipsets into Benlycos devices.

3. Networking & Protocols
Implement and fine-tune TCP/IP stack features, VLAN, QoS, firewall rules, and VPN protocols (OpenVPN, WireGuard, IPsec).

Work on bonding algorithms that optimize throughput and minimize latency.

4. Optimization & Testing
Profile and optimize firmware for low latency, high throughput, and energy efficiency.

Lead hardware bring-up, debugging, and troubleshooting for new product boards.

5. Collaboration
Work closely with hardware, cloud, and QA teams to ensure seamless integration with Benlycos's cloud-based management platform.

Mentor junior firmware engineers and guide them on best practices.

Required Skills & Experience

  • Bachelor's/Master's degree in Electronics, Computer Science, or related field.
  • 5+ years experience in embedded firmware development for networking products.
  • Strong expertise in Embedded Linux (Buildroot, OpenWrt, Yocto).
  • Proficiency in C/C++ and shell scripting; Python is a plus.
  • Solid understanding of routing protocols (OSPF, BGP) and VPN technologies.
  • Experience integrating LTE/5G modems (AT commands, QMI, MBIM) and WAN modules.
  • Familiarity with interfaces: SPI, I²C, UART, USB, PCIe.
  • Strong debugging skills using GDB, Wireshark, and JTAG.
  • Experience with secure boot, firmware signing, and OTA update systems.

Preferred Skills

  • Experience in bonding algorithm design and optimization.
  • Knowledge of cloud-managed networking devices.
  • Understanding of high-availability networking and failover architectures.
  • Contributions to OpenWrt or other open-source networking projects.

Why Join Benlycos?
Shape the future of reliable internet connectivity in India and beyond.

Work on challenging, real-world problems where performance and reliability matter.

Be part of a fast-growing team building world-class hardware and software solutions from the ground up.

Compensation: Competitive, based on experience.

Apply: Send your CV and portfolio to careersbenlycoscom with subject "Senior Firmware Engineer – Application".

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