Embedded 5G/4G Cellular Physical Layer Data Path Signal Processing Firmware Engineer

Apple Inc

Quick summary

Work type
On-site
Location
Sunnyvale, CA
Salary
$126,800–$220,900 / yr
Posted
6 days ago
Nearby
99+ roles within 25 mi

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Competitive pay

How this pay compares to similar roles

Similar $187k
This role $174k
$116k most similar roles pay here $232k

This role pays more than 51% of similar roles. Most pay $165,200–$209,750 — the shaded band above. At the midpoint, this role pays about $174k versus about $187k for comparable roles.

Based on 240 similar postings.

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About Apple Inc

Apple Inc. is a multinational technology company known for designing and manufacturing consumer electronics, software, and online services, including the iPhone, Mac, iPad, and App Store. Industry: Consumer Electronics & Software

Apple Inc currently has 1777 open roles on FindRole.

Listed pay typically runs $162,500–$272,100 across 1443 roles with salary data.

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At a glance

TL;DR · Embedded 5G/4G Cellular Physical Layer Data Path Signal Processing Firmware Engineer

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As a Wireless Embedded Physical Layer Data Path Signal Processing Firmware Engineer in the silicon design group, you will play a pivotal role in developing embedded 4G/5G/6G multimode cellular firmware for powerful SoCs. Your daily tasks include implementing cellular physical layer algorithms on digital/vector signal processors with strict constraints and interfacing with specialized ASIC hardware to execute 3GPP channels and procedures such as PDCCH, PDSCH, PBCH, PUCCH, PUSCH, PRACH UL/DL HARQ. You will work closely with systems engineers to optimize firmware architecture for efficiency, analyze fixed-point firmware for bit-exactness, and develop pre-silicon emulation systems for verification. The ideal candidate has experience in digital signal processing on special-purpose hardware, a deep understanding of software engineering principles, and familiarity with 3GPP standards and memory-constrained RTOS environments.

Skills

Python 3GPP 4G/5G/6G ASIC Channel Estimation Interference Cancellation Beam Measurement Fixed-point firmware Pre-silicon emulation Formal verification RTOS Concurrent programming

What you'll do

  • Implement cellular physical layer algorithms on digital/vector signal processors for 4G/5G SoCs.
  • Interface firmware to specialized cellular ASIC hardware for efficient execution of 3GPP channels.
  • Refine signal processing algorithms in collaboration with systems engineers for optimal performance.
  • Specify and design firmware architecture focusing on power, performance, and cost efficiency.
  • Develop fixed-point firmware and validate its bit-exactness to algorithmic reference standards.
  • Assist in pre-silicon emulation system development for verification purposes.

What we're looking for

  • Experience implementing digital signal processing algorithms on special-purpose hardware.
  • Deep understanding of software engineering principles and computer science fundamentals.
  • Solid knowledge of computer architecture, focusing on HW/SW interfaces for high-speed communication subsystems.
  • Familiarity with 3GPP cellular standards, particularly in physical layer aspects.
  • Significant experience working with memory-constrained Real Time Operating Systems (RTOS).
  • Understanding of digital/wireless communications and concurrent programming techniques.

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