Lead Modem Architect - 5G Platform

Ericsson; Santa Clara (CA); On-site; USD 234,000 - 293,000; Full time

Benefits offered by this job

Health insurance

401(k) plan

Paid time off

Parental leave

Job summary

Ericsson Enterprise Wireless Solutions is seeking a Principal Modem Architect to own the complete modem firmware architecture for LGA modules and guide the software stack integration for next‑generation 5G platforms deployed globally.

You will lead cross-functional teams across firmware, hardware, RF, and platform groups, drive architectural decisions, mentor engineers, and influence long-term technology direction in a fast-evolving modem ecosystem.

Qualifications

• 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).

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.

Skills

embedded systems architecture

modem/wireless domains

modem chipset platforms

modem software stacks

C/C++ for real-time embedded

system-level debugging

lead technical discussions

multi-modem generations

Linux kernel/embedded driver

RF fundamentals

mentorship/leadership

Education

Master's degree in Electrical or Computer Engineering

Tools

Trace tools

Lab instrumentation

JTAG debugging

Job description

Ericsson Enterprise Wireless Solutions is seeking a Principal Modem Architect to own the complete modem firmware architecture for LGA modules and guide the software stack integration for next‑generation 5G platforms deployed globally.

You will lead cross-functional teams across firmware, hardware, RF, and platform groups, drive architectural decisions, mentor engineers, and influence long-term technology direction in a fast-evolving modem ecosystem.