Systems Signal Integrity Engineer - Apple Mac

Austin,Texas,United States

Hardware

The Mac System Technology organization is looking for an enthusiastic engineer to support the system-level Signal Integrity (SI), analysis and validation aspects of Mac and Accessory products development. You should have deep knowledge and familiarity with all aspects of Signal Integrity for high speed SerDes, parallel bus, single ended signaling, and signaling interfaces deployed in personal computers and peripherals. If this is you, come join our team!

**Description**

- Model technique for physical signaling channel topologies including differential, single ended, and parallel bus types. - Interconnect modeling capability, using S-parameter, W-elements. - Understanding of channel types including cabling, PCB materials, flex materials, and connector design methods and limitations is required. - Skills with associated tools for 2.5D (PowerSI, SIWave, Sentinel-PI, nSys), - Skill with associated tools for 3D Full wave (HFSS, nWave), quasi-static tools (Q3D, nApex). - Relevant working knowledge of IBIS-AMI, HSPICE, Spectre, AMS, and Simplis models for system-level transient analysis is also necessary. - Working knowledge of ADS. - Measurement expertise with frequency and time domain tools (VNA, TDR) including calibration methods. - Ability to complete channel analysis, target impedance analysis, transient voltage droop and phase margin/stability analysis. - Experience with PERL, MatLab and other scripting languages. - Excellent documentation and communication skills. - Ability to work independently, and demonstrated ability to innovate.

**Minimum Qualifications**

PhD or Masters with at least 3~4 years of industry experience in Signal integrity Engineering

You must have proven technical understanding of power supply architectures covering voltage regulator technologies, power distribution network (PDN) modeling, PCB design practices and trade-offs for PDN design and optimization

You should have a good understanding of multi-phase of Buck/Boost converter and LDO design principles, operating modes, and system integration care-abouts

Working knowledge in 3D/2D EM simulation tools, electromagnetic modeling and transmission line theory is required

Skills with associated tools for 2.5D (PowerSI, SIWave, Sentinel-PI, nSys), 3D Full wave (HFSS, nWave), quasi-static tools (Q3D, nApex) is required

Relevant proven understanding of HSPICE, Spectre, AMS, and Simplis models for system-level transient droop analysis is also vital

In this role, you will be encouraged to have understanding of die-package-board power delivery network co-design constraints and tradeoffs

**Key Qualifications**

**Preferred Qualifications**

PCB and PKG layout skill - plus

**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)

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