Principal Software Developer

Ericsson; San Diego (CA); On-site; USD 234,000 - 293,000; Full time

Benefits offered by this job

Competitive salary

Bonus potential

401(k) match

Health benefits

Paid time off

Job summary

Ericsson Enterprise Wireless Solutions is seeking a Principal Modem Architect to own the complete modem firmware architecture for LGA modem modules and guide integration across software and hardware.

You will define architecture, lead cross-team reviews, mentor engineers, and influence platform evolution for 5G-based enterprise and industrial IoT solutions. This is a high-impact role with chipset partners and a chance to shape next-generation modem platforms.

Qualifications

• 10+ years in embedded systems architecture, with 3+ years in modem/wireless domains.
• Hands-on experience with modem chipset platforms.
• Strong knowledge of ARM cores, DSP, and hardware accelerators.
• Proficiency in C/C++ for real-time embedded systems.
• Experience with system-level debugging using JTAG, trace tools, and lab instruments.

Responsibilities

• Own end-to-end modem firmware architecture for LGA modules.
• Lead modem software stack integration and upgrade strategy.
• Define guidelines for baseband platform, RF, power management, and interfaces.
• Drive cross-team technical alignment across firmware, hardware, RF, and platform teams.
• Serve as primary technical contact with modem chipset and hardware partners.
• Review design decisions, trade-offs, and performance optimizations.
• Debug and resolve critical system-level issues across hardware, firmware, and software boundaries.
• Influence modem roadmap decisions, technology choices, and future platform evolution.

Skills

Embedded systems

Modem architectures

C/C++

Linux kernel

JTAG/ trace tools

Cross-team leadership

Mentorship

ARM cores

Education

Master's degree in Electrical/Computer Engineering or related field

Tools

JTAG

Trace tools

Lab instrumentation

Job description

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.

Priority location to Boise, ID and Santa Clara.

About this opportunity

Ericsson Enterprise Wireless Solutions is building its modem engineering team, leading end-to-end modem baseband, platform, and firmware architecture for next-generation enterprise and industrial IoT solutions. This founding team works closely with global Ericsson engineering organizations and leading modem chipset partners on advanced LGA-based platforms.

As a Principal Modem Architect, you will own the complete modem firmware architecture for LGA modem modules, drive modem software stack integration strategy, and provide technical leadership across modem software, hardware interfaces, and platform components. This is a ground-up opportunity to define architecture, influence long-term technology direction, and deliver high-performance 5G platforms deployed at a global scale.

What you will do

• Own and define the end-to-end modem firmware architecture for LGA modem modules
• Lead modem software stack integration, customization, and long-term upgrade strategy
• Define architectural guidelines for baseband platform, RF, power management, and system interfaces
• Drive cross-team technical alignment across firmware, hardware, RF, and platform teams
• Serve as the primary technical contact with modem chipset and hardware partners
• Review and guide complex design decisions, trade-offs, and performance optimizations
• Debug and resolve critical system-level issues across hardware, firmware, and software boundaries
• Influence modem roadmap decisions, technology choices, and future platform evolution

The skills you will bring

• 10+ years of experience in embedded systems architecture, with 3+ years in modem or wireless domains
• Hands-on experience with modem chipset platforms
• Deep understanding of modem subsystem architecture, including ARM cores, DSP, and hardware accelerators
• Expert knowledge of modem software stacks and integration models
• Strong proficiency in C/C++ for large-scale, real-time embedded systems
• Experience with system-level debugging using JTAG, trace tools, and lab instrumentation
• Ability to lead technical discussions, reviews, and cross-team design alignment
• Experience across multiple modem generations and carrier deployments (preferred)
• Linux kernel or embedded driver development experience (preferred)
• Solid fundamentals in wireless and RF concepts (preferred)
• Experience in mentorship or technical leadership (preferred)
• Master's degree or higher in Electrical Engineering, Computer Engineering, or a related field (preferred)

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.

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 [e-mail].

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) || California Remote (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 including, but not limited to, location, and the candidate’s combination of job-related knowledge, qualifications, skills, education, training, and experience.

The salary range for this position is

• LOCATION Santa Clara : $234,000-$292,500

Short-Term Variable Compensation Plan (select if STV): 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 Health

Ericsson Enterprise Wireless Solutions offers excellent, competitive employee benefits, such as: subsidized, 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. Ericsson Enterprise Wireless Solutions also offers subsidized dental and vision coverage.

Your Financial Security

We invest in both your short and long-term financial wellbeing. 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

Your work-life balance is important to us. 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. Please note 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 Benefits

Ericsson Enterprise Wireless Solutions offers other company-paid benefits such as a comprehensive Employee Assistance Program, mobile therapy, and volunteer paid time off.