Cellular System Test Engineer
Posted on: 9 Apr 2021
San Diego, CA
Job Description
Cellular System Test Engineer
San Diego, California, United States
Hardware
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Summary
Posted: Apr 6, 2021
Role Number:200235977
Do you have a passion for invention and self-challenge? This role is at the center of a silicon design group responsible for crafting and productizing state of the art cellular SoCs! As a cellular modem system test engineer, you will be responsible for the bringup and validation of end-to-end cellular systems. Join us, and help us innovate new wireless systems technologies that continually outperform the previous iterations! By collaborating with other product development groups across Apple, youll push the industry boundaries and improve the product experience for our customers across the world.
Key Qualifications
Key Qualifications
* Experience in bringup of cellular systems focusing on the physical layer and RF.
* Strong technical background in 5G-NR/LTE/UMTS (3G/2G) physical layer and protocols.
* Knowledge on RF performance metrics such as EVM, spectral mask, frequency error, power accuracy, etc.
* Strong working knowledge of multiple 4G/5G signaling and physical layer test equipment (Keysight/Anritsu/R&S) along with their automation interfaces is a plus.
* Good understanding of communication theory and signal processing, AGC, beamforming, Tx power control, mitigation of radio impairments, calibration algorithms.
* Hands on experience in bring up of real silicon in lab, ability to efficiently use lab equipment (such as spectrum analyzer, signal generator, power meter, etc).
* Good experience with Matlab, Python, and/ C/C++ and efficient analysis and automation scripting.
* Knowledge and understanding of 3GPP specs is desirable.
* Experience with silicon prototyping, emulation systems, and virtual platforms a plus.
Description
Description
Work on the bringup of the cellular end-to-end system including characterization and optimization of RF and system performance in the lab with an emphasis on 4G and 5G. Collaborate with multi-functional teams to validate the data and control flows from the Baseband to RF in terms of the various KPIs. Conduct pre-silicon emulation based bringup and validation of the cellular system. And simulation based validation of the control flows and algorithms.
Education & Experience
Education & Experience
MS or Ph.D. with 5+ Years Experience.
Additional Requirements
Additional Requirements
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Apple
Cupertino, CA
Apple Inc. designs, manufactures, and markets mobile communication and media devices, and personal computers. It also sells various related software, services, accessories, and third-party digital content and applications. The company offers iPhone, a line of smartphones; iPad, a line of multi-purpose tablets; and Mac, a line of desktop and portable personal computers, as well as iOS, macOS, watchOS, and tvOS operating systems.
It also provides iTunes Store, an app store that allows customers to purchase and download, or stream music and TV shows; rent or purchase movies; and download free podcasts, as well as iCloud, a cloud service, which stores music, photos, contacts, calendars, mail, documents, and others. In addition, the company offers AppleCare support services; Apple Pay, a cashless payment service; Apple TV that connects to consumers’ TVs and enables them to access digital content directly for streaming video, playing music and games, and viewing photos; and Apple Watch, a personal electronic device, as well as AirPods, Beats products, HomePod, iPod touch, and other Apple-branded and third-party accessories.
The company serves consumers, and small and mid-sized businesses; and education, enterprise, and government customers worldwide. It sells and delivers digital content and applications through the iTunes Store, App Store, Mac App Store, TV App Store, Book Store, and Apple Music. The company also sells its products through its retail and online stores, and direct sales force; and third-party cellular network carriers, wholesalers, retailers, and resellers. Apple Inc. was founded in 1977 and is headquartered in Cupertino, California.
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IndustryInformation Technology
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No. of Employees132,000
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Website
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Jobs Posted4535
