Principal Software Developer
Ericsson Inc. does not sponsor U.S. work authorizations for this position, including H-1, H-1B1, E-3, O-1, TN visas, or CPT/EAD for F-1 students.
About the role
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.
Responsibilities
- 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
Requirements
- 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
Preferred Qualifications
- Experience across multiple modem generations and carrier deployments
- Linux kernel or embedded driver development experience
- Solid fundamentals in wireless and RF concepts
- Experience in mentorship or technical leadership
- Master's degree or higher in Electrical Engineering, Computer Engineering, or a related field
Benefits
- 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; subsidized HMO option through Kaiser for California employees
- Subsidized dental and vision coverage
- 401(k) plan with 4% company match and immediate vesting
- Company-paid employee basic life and AD&D insurance
- Company-paid disability benefits
- Minimum of 15 days accrued vacation, up to 3 personal days per year, 11 annual holidays, 8 hours of volunteer time, and 80 hours of sick time annually (pro-rated based on start date)
- Up to 16 weeks of paid maternity leave and 6 weeks of parental or adoption leave at 100% of pay
- Comprehensive Employee Assistance Program, mobile therapy, and volunteer paid time off
Pay
The salary range for this position varies by location:
- Santa Clara, CA: $234,000 - $292,500
- San Diego, CA: Competitive base salary with short-term variable compensation (bonus) and sales commissions under the Ericsson Enterprise Wireless Variable Compensation Plan, based on performance against targets