Principal Software Developer

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
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.
What happens once you apply?
Click Here 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 [email protected].
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 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 Sant Clara : $234,000-$292,500
San Diego, CA :
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.
Variable Compensation Plan (select if SIP):This role includes the opportunity for sales commissions as a part of the Ericsson Enterprise Wireless Variable Compensation Plan. Actual payouts are based on performance against sales targets and the individual incentive target. Certain eligibility and pro-ration rules may 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.