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Description
APPLE INC has the following available in San Diego, California. Work with the Hardware/Software development teams and other cross functional teams on identifying and characterizing issues impacting the Cellular performance on 4G and 5G systems. Design field test plans, run Cellular trials in multiple markets and put detailed test reports. Perform deep dive analysis into internal logs to understand and identify root cause of any Hardware/System issues. Plan and execute complex Cellular field test setups in 4G/5G and adapt on the fly to tackle failures, User Experience/Network issues through on-the-go log analysis and communication issues with engineering teams. Collaborate with Cellular Architecture teams to determine Cellular link budgets and conduct wireless feasibility studies. Evaluate the overall User performance of Apple Wireless products in the field using Antenna architecture and radio frequency (RF) front-end block. Analyze Call Drops/Setup Failures, Data throughput issues, and Cellular Service Retention gaps from L1, MAC, RLC, RRC, PDCP, and AP perspective. Run filed replays in the lab using 4G/5G Call Boxes/RF Shield Boxes to augment field issue debugs and fix verification. Present field finding to cross-functional teams and senior leadership in a concise manner and influence product go/no-go decisions for new tentpole features around Cellular call and data performance, power optimization features and new Carrier deployments like new radio access technologies and frequency bands. Optimize and innovate field tests and drive on-paper ideas to fruition through effective collaboration with cross-functional and automation teams. Evaluate the latest iPhone, iPad and Apple Watch hardware systems in the field, from early prototype to final products, on different network and wireless technologies, including performance metrics creation, evolution, post processing and analysis of device logs from the field. Domestic travel required 30%. 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 $157,000 - $236,300/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.
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Minimum Qualifications
- Master's degree or foreign equivalent in Electrical Engineering, Computer Engineering, Wireless Communications or related field and 4 years of experience in the job offered or related occupation.
- 4 years of experience with each of the following skills is required:
- Using mobile and cellular technologies for evaluating cellular performance.
- Experience testing, analyzing, and issuing resolution of 5G/4G communications systems for understanding field test methodologies.
- Experience analyzing Voice and Data Call Flows related, including understanding RRC and NAS and IMS stack messages.
- Analyzing and debugging various layers of the Cellular Protocol stack (Layer 1, Mac, RLC or PDCP), including reviewing Cellular baseband and telephony layer logs and understand issue root causes.
- Writing and running scripts in Python or Perl to parse performance metrics from cellular log traces, lab automation in call boxes.
- Evaluating and characterizing performance of the devices in live network.
- Utilizing testing methodologies and debugging capabilities for 4G/LTE and other wireless communication systems.
- Experience in radio protocol stack, including performing comprehensive technical reviews of new cellular features and disseminating it to the field engineering organization.
- Performing lab sanity with UE/Channel emulators
Preferred Qualifications
- N/A
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 .
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