12 hours ago
Santa Clara, CA, USA +2 moreSenior
Base Salary
$191k - $239k/yr
Responsibilities
- Integrate 5G modem modules into OpenWrt-based router and gateway platforms.
- Develop and maintain Linux kernel drivers for USB and PCIe modem interfaces.
- Implement and optimize QMI, RMNET, and AT command interfaces.
- Configure network interfaces, routing policies, and failover mechanisms.
- Develop connection-management daemons for automatic reconnection and band selection.
- Integrate SMS, GPS/GNSS, and voice functionality where applicable.
- Optimize modem-interface throughput and latency.
- Perform modem firmware updates and version management.
- Debug connectivity issues across RF, baseband, driver, and user-space layers.
- Collaborate with hardware teams on antenna design validation and RF performance.
- Create integration documentation and developer guides.
Requirements
- 4+ years of embedded Linux development experience.
- 2+ years of experience with OpenWrt or similar distributions.
- At least 2 years of cellular modem integration experience; 5+ years across multiple chipset vendors is preferred.
- Experience with Linux kernel development, including drivers, device trees, and kernel modules.
- Experience with the OpenWrt/LEDE build system and package development.
- Experience with QMI, RMNET, AT commands, and USB/PCIe modem interface drivers.
- Proficiency in C/C++ programming for embedded Linux systems.
- Experience with cross-compilation toolchains and embedded build systems.
- Bachelor’s degree in Electrical Engineering, Computer Engineering, Computer Science, or a related field; a master’s degree is preferred.
- Preferred experience includes Qualcomm SDX-series modules, Quectel or Telit modules, ModemManager, VPN integration, eSIM/eUICC provisioning, or multi-WAN failover using mwan3.
Benefits
- Salary range is $191,000-$239,000 annually for Santa Clara, with an annual short-term variable compensation opportunity.
- Benefits include subsidized PPO, HMO, dental, and vision coverage, plus an HSA contribution.
- 401(k) plan includes a 4% company match with immediate vesting; basic life, AD&D, and disability insurance are company-paid.
- Time off includes at least 15 vacation days, up to 3 personal days, 11 holidays, volunteer time, and 80 hours of sick time annually.
- Paid leave includes up to 16 weeks of maternity leave and 6 weeks of parental or adoption leave at 100% pay.
- Additional benefits include an Employee Assistance Program, mobile therapy, and volunteer paid time off.
- The position is based in the United States, with location priority for Boise, Idaho, and Santa Clara, California.
About Ericsson
Ericsson is a publicly traded telecommunications vendor that builds mobile network infrastructure (RAN, core, OSS/BSS), cloud platforms, and managed services for communications providers and enterprises. Founded in 1876 and headquartered in Kista, Stockholm, it supplies 5G systems to operators worldwide and owns Vonage, expanding network APIs and enterprise communications offerings.