Principal Software Developer

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, 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.

• 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)

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., 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.