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Apple Cellular RF Transmitter Systems Engineer m/f/d Austria, Upper Austria, Linz 194109780
31.03.2025
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In this role, you will be part of an industrial-leading RF Transmitter Systems Engineering team. You will work closely with other architecture- and systems engineering teams, RF design teams and SW teams to assess, specify and drive transmitter lineup concepts with focus on pioneering performance and uncompromised quality as baseline for differentiating products. Your daily work includes the following tasks: • Translate system level- and performance requirements into requirements for the TX system including the breakdown to component and block level.• Simulations (e.g., MATLAB, ADS) for transmitter lineup analysis.• Identify and analyze critical requirements and provide deep-dive assessments of RF performance metrics, timelines and risks.• Drive the alignment of requirements, design targets and design trade-offs with other teams such as HW design and SW engineering.• Provide specifications as input for the HW and SW development.
- Relevant experience in RF, including cellular transmit architectures, or PhD degree with previous work on cellular RF topics.
- Understand how to analyze transmission chains from the RF baseband interface to the antenna and translate top-level requirements into specifications for transceiver building blocks and RF components (e.g., PA, RF filter, RF switch).
- Good knowledge of TX performance metrics like ACLR, EVM and spectrum masks.
- Strong analytical skills and the ability to collaborate and communicate across multicultural, global teams.
- Initial expertise in transmitter concepts and procedures for cellular systems like power control, digital pre-distortion, Crest-factor reduction, TX impairment corrections (e.g., IQ imbalance) and PA supply voltage modulation.
- Knowledge of cellular radio/3GPP standards (GSM, UMTS, LTE, LTE-A, 5G NR), including RF aspects as well as system use cases and TX waveforms.
- Background in digital signal processing.
- BSEE or MSEE is required. We would prefer a Ph.D. in Electrical Engineering or equivalent.
- 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. If you’d like more information about your EEO rights as an applicant. Apple will not discriminate or retaliate against applicants who inquire about, disclose, or discuss their compensation or that of other applicants.
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