Senior Staff Engineer, Networking Software

Sierra Wireless; India; On-site; INR 900,000 - 1,500,000; Full time

Job summary

Sierra Wireless is seeking a senior embedded software leader to architect and develop complex cellular router software with a strong emphasis on security, reliability, and performance.

You will drive wireless and wired connectivity features across RTOS and Linux systems, mentor engineers, and collaborate with hardware, QA, and product teams to solve challenging system-level problems. This role requires deep expertise in networking and modem integration.

Qualifications

• Bachelor's or Master's in Computer Science, Electronics, or a related field.
• 12+ years of experience in embedded systems software development.
• Strong proficiency in TCP/IP, Cellular networking domain.
• Strong proficiency in C/C++ with deep understanding of Linux/Yocto and RTOS environments.
• Hands-on experience with modem integration, board bring-up, and embedded networking stacks.
• Proven ability to lead complex technical efforts across product cycles.

Responsibilities

• Architect and develop complex embedded software systems for cellular routers, with a focus on security, reliability, performance, and scalability (30%).
• Lead the design and integration of wireless (4G/5G, Wi‑Fi, Bluetooth) and wired connectivity features across RTOS and Linux‑based systems (25%).
• Collaborate with cross‑functional teams including hardware, QA, and product to drive system‑level solutions and resolve technical challenges (20%).
• Mentor junior and mid‑level engineers, contributing to technical reviews, design decisions, and continuous team improvement (15%).
• Drive innovation by researching and integrating modern embedded technologies, development practices, and performance optimizations (10%).

Skills

TCP/IP

C/C++

Linux/Yocto

RTOS

Modem integration

Embedded networking

Mentoring

Education

BS/MS in CS or ECE

Tools

Git

CI/CD pipelines

Debugging tools

Yocto/OpenEmbedded

Job description

Responsibilities:

• Architect and develop complex embedded software systems for cellular routers, with a focus on security, reliability, performance, and scalability (30%).

• Lead the design and integration of wireless (4G/5G, Wi‑Fi, Bluetooth) and wired connectivity features across RTOS and Linux‑based systems (25%).

• Collaborate with cross‑functional teams including hardware, QA, and product to drive system‑level solutions and resolve technical challenges (20%).

• Mentor junior and mid‑level engineers, contributing to technical reviews, design decisions, and continuous team improvement (15%).

• Drive innovation by researching and integrating modern embedded technologies, development practices, and performance optimizations (10%).

Minimum Qualifications:

• Bachelor's or Master's in Computer Science, Electronics, or a related field.

• 12+ years of experience in embedded systems software development.

• Strong proficiency in TCP/IP, Cellular networking domain.

• Strong proficiency in C/C++ with deep understanding of Linux/Yocto and RTOS environments.

• Hands‑on experience with modem integration, board bring‑up, and embedded networking stacks.

• Proven ability to lead complex technical efforts across product cycles.

Desired Qualifications

• Expertise in cellular technologies (5G/4G/NB‑IoT), modem interfacing, and SIM/eSIM management.

• Solid understanding of network security (VPNs, secure boot, encryption).

• Experience with CI/CD pipelines, Git, and modern testing frameworks.

• Demonstrated impact in technical strategy, performance tuning, and cross‑functional collaboration.

• Track record of mentorship and peer development within engineering teams.

• Patents/Publications in the related area.