Sr Modem Firmware Engineer

What you will do: Integrate 5G modem modules into Open Wrt-based router and gateway platforms Develop and maintain kernel drivers for modem communication interfaces (USB, PCIe) Implement and optimize QMI/RMNET/AT command interfaces for modem control Configure network interfaces, routing policies, and failover mechanisms Implement connection management daemons for automatic reconnection and band selection Integrate SMS, GPS/GNSS, and voice functionality where applicable Optimize data throughput and reduce latency across modem interfaces Perform modem firmware updates (FOTA) and version management Debug connectivity issues across the full stack (RF, baseband, driver, user-space) Collaborate with hardware teams on antenna design validation and RF performance Create integration documentation and developer guides The skills you bring 4+ years in embedded Linux development; 2+ years with Open Wrt or similar distributions 2+ years integrating cellular modems (preferred: 5+ years across multiple chipset vendors) Linux kernel development: driver development, device tree, kernel modules Open Wrt/LEDE build system and package development Cellular modem integration: QMI, RMNET, AT commands USB/PCIe modem interface drivers C/C++ programming for embedded Linux systems Cross-compilation toolchains and embedded build systems Bachelor’s degree in Electrical Engineering, Computer Engineering, Computer Science, or related field (Master’s preferred)

Nice to have: experience with Qualcomm SDX-series modules, Quectel/Telit modules, Modem Manager, VPN integration (Wire Guard, OpenVPN, IPsec), eSIM/eUICC provisioning, or multi-WAN failover (mwan 3) Why join Ericsson? At Ericsson, you´ll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what´s possible. To build solutions never seen before to some of the world’s toughest problems. You´ll be challenged, but you won’t be alone. You´ll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team. Ericsson is proud to be an Equal Opportunity employer, learn more. If you need assistance or to request an accommodation due to a disability, please contact Ericsson at hr.direct.americas@ericsson.com.

DISCLAIMER: The above statements are intended to describe the general nature and level of work being performed by employees in this position. They are not an exhaustive list of all responsibilities, duties and skills required for this position, and you may be required to perform additional job tasks as assigned. Primary country and city: United States (US) || Boise (ID) (Country/ City) Job details: Developer Compensation and Benefits at Ericsson At Ericsson, we know that our people are the key to our success. We offer a competitive package to help with your individual needs and goals. Your Pay Santa Clara $191,000-239,000k Short-Term Variable Compensation Plan: Your pay also includes the opportunity for an annual bonus. Actual bonus payouts are based on performance of the business against the unit’s objectives, individual performance, and the individual bonus target. Certain eligibility and pro-ration rules apply. Your Healthsubsidized, nationwide PPO medical benefit options including a low-deductible Point of Service Plan and a qualifying High Deductible Health Plan (HDHP), with a generous company-provided HSA contribution. For California employees, we offer a subsidized HMO option through Kaiser. subsidized dental and vision coverage. Your Financial Security Our 401(k) plan has a 4% company match and immediate vesting. Employees will also receive company-paid employee basic life and AD&D insurance and company-paid disability benefits. Your Time New employees are provided a minimum of 15 days of accrued vacation, up to 3 personal days per year, 11 annual holidays, 8 hours of volunteer time, and 80 hours of sick time annually. Paid time off is pro-rated based on the employee’s start date. Furthermore, Ericsson provides up to 16 weeks of paid maternity leave and 6 weeks of parental or adoption leave at 100% of pay. Additional Benefitscomprehensive Employee Assistance Program, mobile therapy, and volunteer paid time off.