Software Development Engineer San Diego,California,United States Software and Services Imagine what you can do here. Apple is a place where extraordinary people gather to do their lives best work. Together we create products and experiences people once couldn’t have imagined, and now, can’t imagine living without. It’s the diversity of those people and their ideas that inspires the innovation that runs through everything we do. **Description** APPLE INC has the following available in San Diego, California. Application layer telephony issue analysis and support to root cause any issues related to data or throughput. Data performance issue analysis and support root causing the issue to specific component and work with dev team to resolve them. Call performance issue analysis and support debugging VoLTE, VoNR related issues. Carrier/Lab/field issue analysis and support with resolving these issues efficiently by identifying unique root causes or duplicates. Overall cellular protocol stack issue analysis / development and support which improves overall health of the product. Analyzing performance issues and driving Protocol/RF/L1 architectural improvements for future Apple cellular product lines with emphasis on improving the overall user experience in terms of performance. Responsible for diagnostics, analytics, crowd sourced information, lab/field log analysis as well as code/architecture review to exploit the opportunities for improvement. Working cross functionally with platform architecture, standardization, firmware/protocol development, system test, Field Test, QA and carrier engineering teams to drive the enhancement proposals from concept to commercialization. Developing advanced system evaluation and debugging capabilities towards efficient rootcausing and Impacting iPhone user experience worldwide. 40 hours/week. 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 $140,793 - $204,000/yr and your base pay will depend on your skills, qualifications, experience, and location. PAY & BENEFITS: 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 Employment Opportunity Employer that is committed to inclusion and diversity. We also take affirmative action to offer employment and advancement opportunities to all applicants, including minorities, women, protected veterans, and individuals with disabilities. **Minimum Qualifications** + Master's degree or foreign equivalent in Information Technology, Computer Science, Electrical Engineering, Computer Engineering and 2 years of experience. + 2 years of experience with each of the following skills is required: + Utilizing Software Engineering skills including C, C++, Python for automation script development to assess telephony and baseband issues + Utilizing LTE and 5G Access stratum to debug issues to achieve high cellular performance and analyzing performance using Wireshark. + Utilizing Non-Access stratum to debug cellular performance issues with Radio Access Technology (RAT) selection. + Utilizing 3GPP/ETSI standards and cellular NW architecture for end to end triage issues and guiding device side behavior with Radio Access Network (RAN)/Core Network(CN). + Utilizing TCP/IP protocols to help debug for data path related issues. + Debug and root cause call drop issues and help resolve them + Analyzing Root causes to any modem power performance related issues **Key Qualifications** **Preferred Qualifications** + N/A **Education & Experience** **Additional Requirements** + Apple is an equal opportunity employer that is committed to inclusion and diversity. We take affirmative action to ensure 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 Footer** Apple is an equal opportunity employer that is committed to inclusion and diversity. We take affirmative action to ensure 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 (Opens in a new window) . Apple will not discriminate or retaliate against applicants who inquire about, disclose, or discuss their compensation or that of other applicants. United States Department of Labor. Learn more (Opens in a new window) . Apple will consider for employment all qualified applicants with criminal histories in a manner consistent with applicable law. If you’re applying for a position in San Francisco, review the San Francisco Fair Chance Ordinance guidelines (opens in a new window) applicable in your area. Apple participates in the E-Verify program in certain locations as required by law. Learn more about the E-Verify program (Opens in a new window) . 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 (Opens in a new window) . Apple is a drug-free workplace. Reasonable Accommodation and Drug Free Workplace policy Learn more (Opens in a new window) .