
Wireless RF Systems Validation Engineer (Connectivity)
Required skills
- WLAN
- BT
- UWB
- Thread
- 802.11
- Bluetooth SIG
- 802.15
- FCC
- EU
- China
Nice to have
- FiRa
- RF emissions
- conducted level
- system-level RF emissions
- call boxes
- power meters
Role summary
Apple is seeking a Wireless RF Systems Validation Engineer with expertise in connectivity technologies (WLAN, BT, UWB, Thread) to join their RF System Engineering team. The role involves validating and characterizing wireless system performance against industry, regulatory, and use case requirements. Responsibilities include executing test plans, performing debug and failure analysis with cross-functional teams, supporting device bring-up, implementing test setups, tracking validation status, and collaborating with vendors. The engineer will also support manufacturing test and product certification, ensuring compliance with global standards.
Description
You will validate & characterize wireless system performance across wireless technologies towards industry conformance, regulatory compliance, & use case requirements. You will perform debug and failure analysis of issues with cross-functional engineering teams and drive issues to closure. You will be responsible to complete certification testing. Examples of activities you may be involved in are: - Executing validation and characterization test plans to meet industry, emissions and performance requirements. - Bringing-up device-under-test, help define test requirements and implement test systems setups for validation readiness. - Tracking validation status, analyze results, communicate issues & insights from data to cross functional forum. - Performing failure analysis to understand low margin or failures making use of experimental SW/FW and modified development hardware. - Collaborating with vendors, technology suppliers and cross-functional staff to optimize radio performance of the device. - Supporting manufacturing test and Certification of Apple products.
Minimum Qualifications
Bachelor’s degree with 10+ years of relevant experience. Practical knowledge of at least one Connectivity Wireless technology including WLAN, BT, UWB, Thread. Experience with bench level wireless testing, debug at the module, reference board or system level.
Preferred Qualifications
Master’s degree with 10+ years of relevant experience. Practical knowledge of at least one of connectivity industry standards including 802.11, Bluetooth SIG, 802.15 requirements, compliance requirements and required testing methodologies. Expertise in configuring and operating complex RF test setups for hardware validation. Proven experience in characterizing and validating devices against industry and global regulatory RF emission standards using laboratory equipment such as call boxes, power meters, network analyzers, spectrum analyzers, and signal generators. Good understanding of system-level RF emissions and their sources, including RF component characteristics and behavior. Experience with device certification processes, including industry certifications (e.g., Bluetooth SIG, FiRa) and regulatory compliance (e.g., FCC, EU, China). Debug level experience on connectivity radio systems at the conducted level. Strong written and verbal communication skills.
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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