
Wi-Fi Power and Performance Engineer - Platform Architecture
Required skills
- Wi-Fi
- WLAN
- Bluetooth
- Power
- Performance
- Platform Architecture
- Wireless Test Equipment
- Octoscope
- Spirent
- Keysight Wi-Fi UXM
Nice to have
- Python3
- Pandas
- Scipy
- Numpy
- Matplotlib
- Matlab
Role summary
Apple's Platform Architecture group is seeking a Wi-Fi Power and Performance Engineer to provide critical data on Wi-Fi/WLAN and Bluetooth solutions, influencing future product development. This role involves operating wireless test equipment, gathering and analyzing power and radio performance data, and understanding modern wireless architectures. The ideal candidate will have experience with black box testing and a strong background in Wi-Fi and Bluetooth measurements. Preferred qualifications include advanced degrees, proficiency in Python or Matlab for data processing, and familiarity with RF concepts and benchmarking tools.
Description
Apple’s Platform Architecture group is looking for a motivated engineer with a strong background in Wi-Fi and Bluetooth measurements and analysis. We are seeking a team member who is self-driven with initiative and passion for Wi-Fi connectivity on consumer devices.
Minimum Qualifications
BS degree in Electrical Engineering, Computer Engineering, or related field. Experience operating wireless test equipment such as Octoscope/Spirent or Keysight Wi-Fi UXM. Experience gathering power time series traces for Wi-Fi power dashboards, common Wi-Fi power and/or radio performance use cases (scan, transmit, receive, RvR). Experience with modern smartphone and laptop/portable wireless architecture, from AP to Antenna, for Wi-Fi, Bluetooth, UWB, NFC. Experience with black box testing on consumer samples.
Preferred Qualifications
MS or Ph.D. degree in Electrical Engineering, Computer Engineering, or related field. Experience with modern standards including 802.11a/b/g/n/ax/be, BT Classic, BT LE, GNSS, LTE, 5G NR. Strong passion for fast connectivity, Wi-Fi speed and coverage, and consumer electronics. Familiarity with Wi-Fi baseband marketplace, market players, discrete vs integrated markets, and trends. Understanding of foundational RF concepts which drive Wi-Fi and BT power in the real world on live networks and devices. Proficiency in a data processing language/library such as Python3, Pandas, Scipy, Numpy, Matplotlib, Matlab or similar, and basic scripting (Bash). Common end user benchmarking applications and tools (iPerf3, IxChariot, Keysight TestApp, etc).
Sample Apple interview questions
- 1
Design a typeahead box for a search engine
system designmedium - 2
Design a rate limiter
system designmedium - 3
Architect a key-value store for distributed systems.
system designmedium - 4
Design a system to schedule jobs in a distributed environment
system designmedium - 5
What is an API and how does it work?
technicalmedium
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