Senior Cellular Layer-1 Control Software Development Engineer, Wireless Technologies & Ecosystems
AppleSenior Cellular Layer-1 Control Software Development Engineer, Wireless Technologies & Ecosystems
AppleLocation
Sunnyvale, CA
Type
Full-time
Posted
9/2/2026
Compensation
Not listed
Job description
Join Apple's Wireless Technologies and Ecosystems team to drive innovation in cellular technologies. This role involves developing and integrating software for cellular chipsets in Apple products, enhancing user experience and performance. You will work collaboratively with a talented team to push the boundaries of wireless systems and improve connectivity for users worldwide. The position requires a passion for invention and a commitment to engineering excellence.
Requirements
- Bachelor's and/or Master's degree in Computer Science, Computer Engineering, Electrical Engineering, or a related field.
- 5-10 years of relevant industry experience.
- Strong understanding of software engineering principles using C and/or C++.
- Knowledge of Real Time Operating Systems (RTOS) and concurrent programming.
- Deep understanding of cellular uplink procedures including RACH, Scheduling Request, SRS, CSI, and antenna selection algorithms.
- Working knowledge of computer architecture with emphasis on HW/SW interfaces of high-speed communication subsystems.
- Experience with silicon prototyping, emulation systems, and virtual platforms.
- Experience in software verification and hardware validation utilizing scripting and/or automation frameworks.
Responsibilities
- Identify and develop core cellular technologies that solve everyday problems for customers.
- Collaborate with product development groups across Apple to innovate new cellular technologies.
- Design and implement sophisticated embedded software for cellular chipsets.
- Debug embedded software systems using system simulators, spectrum analyzers, oscilloscopes, and JTAG debuggers.
- Disrupt traditional models of the cellular ecosystem to enhance user experience.
Benefits
- Employees at Apple are often offered comprehensive benefits that support physical and mental well-being—flexible medical plans, confidential counseling, onsite wellness centers at major campuses, and resources for fitness and daily life. Families typically receive fertility support, paid parental leave with gradual return, caregiving leave, and dependent-care guidance, while financial perks commonly include stock grants (with purchase discounts), 401(k) matching, and income-protection coverage. Employees also see robust time off, Apple University learning and tuition reimbursement, donation matching and paid volunteer hours, and deep product and partner discounts.
H-1B filing history
Public USCIS petition and DOL LCA counts · latest USCIS FY2026, LCA FY2026
Filing entity: Apple Inc
As of Aug 23, 2026
Initial approvals
1,065
FY2026
Approval rate
99.0%
FY2026
LCA certified
9,221
FY2026
Entry-level share
5.6%
FY2026
Initial approvals YoY
+30%
Trend
LCA certified YoY
-35%
Trend
Initial approvals by fiscal year
Approval rate by fiscal year
Continuing vs initial approvals
LCA certified positions by quarter
LCA certified positions by fiscal year
Based on public USCIS and DOL filings; not a sponsorship guarantee.
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