Skip to main content
Apple logo

PHY Systems Engineer

Apple

Sunnyvale, CAJobSeen todaySeen in employer's feed today

See where you stand before you apply. No sign-up to start.

You apply on the posting's application page, with no Olive account needed.

Watch jobs like this.

Don't just apply. Show up ready.

Olive works from this exact posting.

At a glance

Compensation
No compensation found
Location
Sunnyvale, CA
Work Authorization
Not specified

Olive focuses on jobs in the United States, including remote roles you can work from there.

Job overview

Apple is seeking an engineer to join its cellular and modem systems engineering teams, contributing to end-to-end baseband modem development. The role designs and simulates physical-layer wireless communication algorithms, develops system models and investigates performance to support sign-off and RTL development, and collaborates with hardware and firmware teams to bring up and productize modem designs.

Skills & qualifications

RequiredNice to have

Skills

Digital Signal Processing, requiredDesign Flow Methodology, requiredMATLAB, requiredC/C++, requiredPython, requiredAlgorithm Development, requiredSystem Modeling, requiredLink-Level Simulation, requiredAnalytical Skills, requiredLinear Algebra, requiredRandom Processes, requiredDetection and Estimation, requiredCommunication System Theory, nice to haveMIMO Detection, nice to haveMachine Learning, nice to haveSignal Processing, nice to haveHardware Design, nice to have3GPP Cellular Standards, nice to haveLTE, nice to have5G, nice to have6G, nice to haveAI/ML Tools, nice to haveClaude, nice to havePyTorch, nice to haveTensorFlow, nice to have

Qualifications

Bachelor's in EE or Equivalent, required

Full job description

Role Number: 200694578-3956

Summary

We are searching for a talented engineer to join our cellular systems engineering team of innovators. In this role, you will be a key member of modem systems engineering team with a broad view of the end-to-end baseband modem.

Description

Design and simulate state-of-the-art physical layer wireless communication algorithms, realizable with power and area efficient implementation. Implement system models and perform detailed performance investigations to allow performance sign-off and enable RTL development. Collaborate with hardware digital designers and firmware developers to bring-up and productize whole modem designs.

Minimum Qualifications

  • Bachelors Degree in EE or equivalent.

  • Knowledge of digital signal processing and design flow methodology.

  • Experience in Matlab, C/C++ and/or Python for algorithm development, modeling (floating-point and fixed-point) and link-level simulation.

  • Analytical skills (linear algebra, random processes, detection and estimation, etc.)

Preferred Qualifications

  • Deep-knowledge of communication system theory (MIMO detection, estimation, mmWave, FEC), machine learning, signal processing and hardware design.

  • Knowledge of 3GPP cellular standards (LTE and 5G) with a good visibility on the 6G activities.

  • Experience with using AI/ML tools (e.g. Claude) for assisting in code design and algorithm development.

  • Strong background in AI/ML and familiarity with tools such as PyTorch and TensorFlow.

Apple is an equal opportunity employer that is committed to inclusion and diversity. We seek to promote equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics.

How this job compares

Set against the 11,545 open Systems Engineer jobs on Olive Jobs, counted November 13, 2026.

Pay
  • This postingNot listed
  • California median$140–208K/yr1,723 salary ranges
  • California median$70–85/hr46 hourly ranges
Openings
Olive Jobs lists 2,001 open Systems Engineer jobs in California and 11,545 across the US. 5% of them nationwide are listed as remote or flexible.
Hiring the most in California
Experience
Systems Engineer postings that state a minimum ask for 5 years of experience at the median; the middle half ask for 3 to 8 years (9,485 postings).
Education
4,286 of the 11,545 open Systems Engineer jobs (37%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on November 13, 2026. Figures based on too few postings are left out.

Prepare for this role

You've read the whole posting — now see how you match it.