Apple
6G Cellular Modem Systems Engineer
$175K–$325K
San Diego, California +1 · Full-time · Posted Oct 19, 2026
- Location
- San Diego, California
Sunnyvale, California - Experience
- 10+ years of relevant industry experience.
- Education
- BS in Electrical Engineering, Computer Engineering, or a related field.
About the job
Defines, models, and validates cellular modem system features and physical-layer algorithms for next-generation products, including the transition toward 6G.
What you'll do
- Architect modem features and requirements, connecting 3GPP standards, algorithms, hardware/software constraints, and product targets.
- Design and simulate physical-layer and cross-layer algorithms, then validate them through link-level simulation or field data.
- Improve wireless performance and power efficiency, collaborating across SoC, PHY, firmware, and software teams.
What they ask for
- BS in Electrical Engineering, Computer Engineering, or a related field.
- Strong knowledge of 6G (emerging), 5G NR, and 4G LTE standards, particularly RAN1 3GPP.
- Proficiency in MATLAB, C/C++, and/or Python for algorithm development, modeling, and link-level simulation.
- Experience leveraging Generative AI and LLM-based tools to accelerate engineering workflows.
Nice to have
- Experience in Layer-1/2 control design or low-power algorithm design for mobile platforms.
- Familiarity with 3GPP standardization, RAN2/RAN4, or emerging 6G study items.
Pay
$175,000–$308,500 USD base salary; $184,700–$324,800 USD base salary
Tools
MATLAB, C/C++, Python, Generative AI, LLM-based tools
AI focus
Use Generative AI and LLM-based tools for engineering workflows such as algorithm prototyping, code generation, simulation analysis, and technical documentation; preferred 6G topics include AI/ML for the air interface.
Model-written summary · the original posting is authoritative