Apple · 2 months ago
DSP Wireless Systems Engineer
Sunnyvale, California, United States
Full-time
Onsite
Senior Level, Lead/Staff
$181K/yr - $318K/yr
10+ years expApple is a leading technology company that focuses on crafting innovative products that enrich people's lives. They are seeking a forward-thinking DSP Wireless Systems Engineer to work on architecting calibration and correction methods for wireless systems, collaborating with various teams to enhance performance through innovative designs and implementations.
AppsArtificial Intelligence (AI)BroadcastingDigital EntertainmentFoundational AIMedia and EntertainmentMobile DevicesOperating SystemsTVWearables
Responsibilities
Design and simulate state-of-the-art wireless transmitter for very high data rate applications
Investigate innovative PA architectures, calibration algorithms, processing structures for performance enhancement
Architect HW/FW/SW partitioning of various calibrations for area and time efficiency
Implement system models of the analog front-end design, impairments and come up with right controls and calibrations in C and MATLAB for optimal system performances
Work with digital designers to realize these methods with power and area efficient digital implementations
Collaborate with firmware designers to realize these methods with high efficiency software implementation, and possibility hardware acceleration
Perform Bring up, test and characterize real silicon with relevant implementation in lab
Qualification
Required
BSEE and a minimum of 10 years relevant industry experience
Experience in designing relevant signal processing for wireless communications systems
Understand methods to estimate various RF impairments via direct equipment measurement or self-testing via loopback
Experience with MATLAB, Python and/or C/C++ for algorithm development, modeling, and simulation
Hands-on experience on lab testing & characterization will be crucial such as spectrum analyzer, signal generator, signal analyzer, power meter, etc
Basic understanding of RF and analog components/modules composited of wireless communication systems, possible impairments from the components, impact to OFDM signals, corresponding calibration and impairment reduction
Preferred
MSEE/PhD with proven experience
Proven track record of optimization algorithm, and its applications to RF calibration
Previous experiences on digital pre-distortion, crest-factor reduction, nonlinear crosstalk/interference cancellation, and real-chip bring-up in lab
Understand communication theories and signal processing related algorithms design such as timing recovery, signal estimation and detection, automatic gain control, channel estimation, equalization, coding theory, etc
Knowledge in existing wireless communication protocols: 5G-NR or its early iterations, 802.11 WiFi, and/or Bluetooth/BLE
Some relevant experience in circuit design
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
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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
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2025-12-01
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Mac Daily News
2025-09-25
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