Cellular 4G/5G Firmware Verification Architect **San Diego, California, United States** **Hardware** **Summary** Posted: **Oct 09, 2025** Role Number: **200624569-3543** Are you passionate about innovation and self-challenge? Do you excel at pushing the boundaries of what is considered feasible? As a member of a world-class modern team, you will develop sophisticated groundbreaking embedded firmware that delivers unprecedented performance in our products. You will collaborate across teams to transform enhanced hardware elements into a unified design. Join us, and you will contribute to our efforts in innovating new wireless systems technologies that consistently surpass previous iterations. By collaborating with other product development groups across Apple, you will advance the industry’s boundaries of wireless systems capabilities and enhance the product experience for our customers globally! **Description** As a Cellular 5G/4G Firmware Verification Architect, you will be at the forefront of the embedded 5G/4G/multimode cellular firmware initiative within a silicon design group responsible for designing and productizing pioneering cellular SoCs. This position requires an individual who is proficient in all aspects of embedded firmware verification, thrives in a dynamic multi-functional organization, embraces open dialogue, and demonstrates adaptability to continuously evolving requirements. **Responsibilities** + Collaborate with a team of component verification, integration, protocol test engineers, firmware developers, and system engineers to develop firmware verification use cases and end-to-end physical layer performance. + Design and develop verification frameworks for 4G/5G firmware, followed by development and execution of test cases for 4G/5G firmware. + Verify key protocols, signal processing, and numerical algorithms with exacting time, latency, and energy budgets. + Apply AI/ML tools to streamline cellular research, improving test and development efficiency. + Implement RAG and MCP pipelines in conjunction with data labeling to enhance the performance of the model. + Collaborate with Hardware/Firmware/Systems teams to construct verification architectures for novel and existing features. Assist in the development of pre-silicon emulation systems/virtual platforms and apply them for pre-silicon firmware design verification. + Evaluate and implement innovative tools for building, formal verification, and testing. Define methodologies and best practices for verification and reporting. **Minimum Qualifications** + BS and a minimum of 3 years of relevant industry experience. + Proven experience in wireless communication. + A strong understanding of AI/ML fundamentals and the ability to utilize AI tools such as MCP, Agents, RAG, and LLMs are essential. + Proficiency in employing AI/ML technologies to optimize workflow efficiency. + Strong communication and presentation skills. **Preferred Qualifications** + Comprehensive knowledge of wireless communication fundamentals, including signal processing, and proficiency in 4G/5G specifications. + The ability to define intricate verification use cases and schemes, thereby enhancing system performance and establishing verification criteria. + Experience in firmware test case planning, design, and development for 4G/5G functional and performance scenarios. + A robust understanding of various 4G/5G signaling and physical layer test equipment, including Keysight, Anritsu, and R&S, along with their respective automation interfaces. + A background in generative models, natural language processing, and large language models (LLMs). + Experience in failure analysis, quality engineering, or performance analysis for AI/ML-based applications. + A deep understanding of software engineering principles and fundamental computer science concepts. + Proficiency in build and source code control tools. + A willingness to learn new architectures and frameworks. + Experience with network emulators, silicon prototyping, emulation systems, and virtual platforms. + A master’s degree or PhD with relevant experience in the wireless communications industry is highly preferred. **Pay & Benefits** At Apple, base pay is one part of our total compensation package and is determined within a range. This provides the opportunity to progress as you grow and develop within a role. The base pay range for this role is between $139,500 and $258,100, and your base pay will depend on your skills, qualifications, experience, and location. Apple employees also have the opportunity to become an Apple shareholder through participation in Apple’s discretionary employee stock programs. Apple employees are eligible for discretionary restricted stock unit awards, and can purchase Apple stock at a discount if voluntarily participating in Apple’s Employee Stock Purchase Plan. You’ll also receive benefits including: Comprehensive medical and dental coverage, retirement benefits, a range of discounted products and free services, and for formal education related to advancing your career at Apple, reimbursement for certain educational expenses — including tuition. Additionally, this role might be eligible for discretionary bonuses or commission payments as well as relocation.Learn more about Apple Benefits. (https://www.apple.com/careers/us/benefits.html) Note: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program. Apple is an equal opportunity employer that is committed to inclusion and diversity. We seek to promote equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics.Learn more about your EEO rights as an applicant (https://www.eeoc.gov/sites/default/files/2023-06/22-088\_EEOC\_KnowYourRights6.12ScreenRdr.pdf) . Apple is an equal opportunity employer that is committed to inclusion and diversity. We seek to promote equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics.Learn more about your EEO rights as an applicant (https://www.eeoc.gov/sites/default/files/2023-06/22-088\_EEOC\_KnowYourRights6.12ScreenRdr.pdf) . Apple will not discriminate or retaliate against applicants who inquire about, disclose, or discuss their compensation. Apple participates in the E-Verify program in certain locations as required by law.Learn more about the E-Verify program (https://www.apple.com/jobs/pdf/EverifyPosterEnglish.pdf) . Apple is committed to working with and providing reasonable accommodation to applicants with physical and mental disabilities. Reasonable Accommodation and Drug Free Workplace policy Learn more . Apple is a drug-free workplace. Reasonable Accommodation and Drug Free Workplace policy Learn more . 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