Sr Modem Firmware Engineer Boise,Idaho, Product Development

Position: Sr Modem Firmware Engineer Boise,Idaho,United States Product Development
## Sr Modem Firmware Engineer Boise,Idaho,United States Find out how well you match with this jobJob ID785279## Grow with us Ericsson Inc. does not sponsor U.S work authorizations for this job position including U.S. immigration filings for initial and/or change of employer paperwork for H-1’s, H-1B1’s, E-3’s, O-1’s, and TN’s. Ericsson also does not hire F-1’s working on CPT or EAD for this position.
** About this opportunity
** Join Ericsson as a Senior Modem Firmware Engineer based in the USA, where you will design, develop, and integrate cellular modem modules into Open Wrt-based platforms. You will own the end-to-end modem stack — spanning kernel drivers, user-space daemons, and network configuration — to deliver reliable connectivity, seamless failover, and optimal throughput across 5G cellular networks.
** 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 distributions2+ years integrating cellular modems (preferred: 5+ years across multiple chipset vendors)
Linux kernel development: driver development, device tree, kernel modules

OpenWrt/LEDE build system and package development

Cellular modem integration: QMI, RMNET, AT commandsUSB/PCIe modem interface driversC/C++ programming for embedded Linux systems

Cross-compilation tool chains 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 (mwan3)
** 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.
** What happens once you apply?
** to find all you need to know about what our typical hiring process looks like.

Ericsson uses a merit-based hiring approach that values people with different experiences, perspectives and skillsets. We truly believe this approach drives innovation, which is essential for our future growth. 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
** 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) || Santa Clara (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
** The salary range for this position is dependent on various factors…