Apple · 1 day ago
Cellular PHY Systems Engineer
San Francisco Bay Area
Full-time
Onsite
Senior Level, Lead/Staff
$172K/yr - $302K/yr
10+ years expApple is a company known for its extraordinary products and innovative technologies. They are seeking a dedicated engineer to join their system engineering team, focusing on modem systems features and requirements. The role involves pre- and post-silicon validation of cellular systems and collaboration with various teams to ensure system requirements are met.
AppsArtificial Intelligence (AI)BroadcastingDigital EntertainmentFoundational AIMedia and EntertainmentMobile DevicesOperating SystemsTVWearables
Responsibilities
This position requires strong collaboration with SoC, PHY, PHY HW, PHY FW, and L1 SW teams to ensure the end-to-end system requirements are met
You will also have a critical hands-on role in pre- and post-silicon verification, validation, and bring-up of silicon, to support productization
Qualification
Required
BS and 10+ years of relevant experience is required
Knowledge of cellular communication standards: 6G, 5G NR, 4G LTE, PHY Uplink channels and signals
Deep-knowledge of communication system theory and signal processing will be important for this role to design algorithms such as LDPC, Polar, Turbo encoder design, signal estimation and detection, automatic gain control, RF impairments estimation and correction, channel estimation, OFDM, MIMO detection, signal waveform generation and upsampling, etc
Experience with Matlab, C/C++ and/or Python for algorithm development, modeling (floating-point and fixed-point) and link-level simulation
Preferred
Experience in low power algorithm design for power critical applications is helpful
Experience in E2E timeline analysis for time-critical algorithms is helpful
Experience in chip bring-up including the use of lab equipment such as protocol test equipment, spectrum analyzers, signal generators, power meters, etc
In-depth knowledge of wireless communication systems with hands-on experience in lab testing & characterization
Strong analytical skills (linear algebra, random processes, detection and estimation, etc.)
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
Represents job field similar to this job
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