Apple · 2 months ago
Wireless System Integration and Characterization Engineer
Sunnyvale, California, United States
Full-time
Onsite
Mid Level
$140K/yr - $258K/yr
3+ years expApple is a leading technology company known for crafting products that enrich people's lives. They are seeking a Wireless System Integration and Characterization Engineer to integrate and characterize state-of-the-art wireless SoC products, ensuring optimal performance and reliability. The role involves collaborating with various teams to debug and enhance system-level performance and drive silicon maturity.
AppsArtificial Intelligence (AI)BroadcastingDigital EntertainmentFoundational AIMedia and EntertainmentMobile DevicesOperating SystemsTVWearables
Responsibilities
Bring up, integrate, and tune PHY and radio systems on first-silicon wireless SoCs
Characterize and validate PHY/RF performance across operating modes and conditions
Debug and root-cause system-level issues spanning PHY algorithms, RF circuits, firmware, and test setup
Work closely with cross-functional teams—including PHY algorithm, RF design, digital, MAC, and firmware—to ensure seamless system integration and performance optimization
Develop and automate test and characterization workflows to accelerate silicon evaluation and regression
Analyze results to identify performance bottlenecks, drive improvements in calibration algorithms (e.g., IQ imbalance, LO leakage, TSSI, Power Control), and ensure robust performance across process and temperature corners
Document findings, communicate results, and drive silicon maturity through iterative bring-up cycles until mass production readiness
Qualification
Required
BS and a minimum of 3 years relevant industry experience
Experience in wireless system design, integration, or bring-up
Preferred
Knowledge in existing wireless communication protocols: 802.11a/b/g/n/ac/ax/be, LTE/WCDMA/GSM, or 802.11ad/ay
Understanding communication theory and key Tx/Rx metrics like EVM and sensitivity
Experience bringing up radio calibration algorithms (such as Power Control, IQ imbalance, LO Leakage, TSSI or others)
Experience in system bring-up, integration, characterization, and debug of real wireless silicon in a lab
Experience using and understanding of the theory of operation of wireless/RF test equipment such as signal analyzer, signal generator, and spectrum analyzer
Experience developing test automation including equipment drivers, debug tools, automation scripts, database interfaces, and reporting tools
Experience with Python, Matlab, Perl, C/C++, or C#
Experience with automation infrastructure development (traceability, repeatability) and related tools (GIT, CI, database, reporting tools)
Preferred advanced degrees MS or Ph.D in Electrical Engineer or Computer Engineering
Benefits
Comprehensive medical and dental coverage
Retirement benefits
A range of discounted products and free services
Reimbursement for certain educational expenses — including tuition
Discretionary bonuses or commission payments
Relocation
Company
Apple
Apple is a technology company that designs, manufactures, and markets consumer electronics, personal computers, and software.
10001+ employees
H1B Sponsorship
Apple has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
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Trends of Total Sponsorships
2025 (6998)
2024 (3766)
2023 (3939)
2022 (4822)
2021 (4060)
2020 (3656)
Funding
Current Stage
Public CompanyTotal Funding
$5.67BKey Investors
Berkshire HathawayMicrosoftSequoia Capital
2025-05-05Post Ipo Debt· $4.5B
2025-01-16Post Ipo Debt· $0.31M
2021-04-30Post Ipo Equity
Leadership Team
Tim Cook
CEO
Craig Federighi
SVP, Software Engineering
Recent News
Venrock
2025-12-01
2025-09-25
Mac Daily News
2025-09-25
Company data provided by crunchbase