Semtech
Senior Staff Engineer, Networking Software
Skills
Job description
Job Summary:
We are looking for an experienced embedded software leader to help build the next generation of high-performance cellular routers and gateways. In this role, you will architect and deliver reliable, secure, and scalable embedded solutions across Linux and embedded platforms, integrating advanced 4G/5G, Wi-Fi, and Bluetooth technologies. You'll work closely with cross-functional teams to ensure seamless hardware-software integration and world-class product quality. This is a unique opportunity to drive innovation in wireless connectivity and shape the future of mission-critical networking solutions.
The ideal candidate brings deep C/C++ expertise and is a domain expert in at least two of the following areas:
Routing software and router feature development (e.g., OpenWRT)
Cellular software stack (4G/5G/NB-IoT, modem integration)
Wi-Fi software stack and protocol implementation
Linux platform engineering (Yocto, OpenWRT build systems)
Embedded network security (VPNs, secure boot, CVEs).
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 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 C++ with good understanding of Linux-based software distributions.
Hands-on expertise in at least two of the following domains:
Routing software and router feature development (e.g., OpenWRT )
Cellular software stack (4G/5G/NB-IoT, modem integration, SIM/ eSIM )
Wi-Fi software stack and protocol layers & protocol implementation
Linux platform engineering ( Yocto, OpenWRT build systems )
Embedded network security ( VPNs, secure boot, CVEs)
Hands-on experience with modem integration and embedded networking stacks.
Proven ability to lead complex technical efforts across product cycles.
Desired Qualifications
St rong candidates will typically bring depth in 2 or more of the areas below :
Expertise in cellular technologies (5G/4G/NB-IoT), modem interfacing, and SIM/ eSIM management.
Expertise in Wi-Fi technologies.
Experience architecting router features using OpenWRT or equivalent platforms.
Proficiency with Linux Yocto build systems.
Solid understanding of network security (VPNs, secure boot, encryption).
Experience with security patches and CVEs.
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.