Signal Integrity Engineer

Company: Qualcomm Technologies, Inc. Job Area: Engineering Group, Engineering Group > Systems Engineering General Summary: Qualcomm Data Center team is developing high-performance, energy-efficient server solutions for data center applications. We are looking for highly talented, innovative, teamwork-oriented individuals for our cutting-edge technology work! Our Mission: We are dedicated to transforming the industry by reimagining silicon and developing next-generation computing platforms. By joining our team, you’ll collaborate with world-class engineers to create innovative solutions that push the limits of performance, energy efficiency, and scalability. Our focus is on developing reference platforms based on Qualcomm's Snapdragon SoC, delivering a comprehensive solution that includes hardware, software, reference designs, user guides, SDKs, and more. Position: Signal Integrity Engineer We are seeking an experienced Signal Integrity Engineer (individual contributor) to develop high-performance signal integrity (SI) solutions tailored for advanced server applications. In this role, you will work closely with the platform team and collaborate with cross-functional teams, including software, firmware, packaging, product management, and component suppliers. You will lead the definition, analysis, and verification of SI for high-speed interconnects across die, interposer, package, PCB, and system levels for data center servers. Key Responsibilities: Collaborate with SoC, applications engineering, packaging, and system design teams to define and implement system interconnects that meet the unique demands of high-end server environments. Provide guidelines and feedback on silicon timing, bump/RDL, package pinout and PCB specifications. Develop customer guidelines and define module interfaces/formats for simulation. Lead the creation of server-grade SI models, simulations, and final designs. Perform early SI analysis on 2.5D/3D structures and establish design guidelines. Update and automate design and analysis flows. Prepare and present technical documentation and reports to stakeholders, including engineering teams, senior management, customers, and suppliers. Qualifications: Master’s degree in Electrical or Computer Engineering, with a specialization in Signal Integrity (SI). 6+ years of experience in SI analysis, simulation, and measurement of high-speed digital systems. Strong knowledge of SI fundamentals, including power distribution networks (PDN), EMIR, transmission line theory, crosstalk, S-parameters, and channel simulations. Expertise in DDR5/LPDDR5X JEDEC specifications and/or SerDes standards (PCIe, CXL, USB, Ethernet, etc.). Experience in developing SI methodologies from die to system, with lab correlation and validation. Proficiency with 2D/2.5D/3D EM simulation tools such as ANSYS HFSS, Cadence Sigrity, Dassault Systèmes CST, Keysight ADS, and Synopsys' HSPICE. Hands-on experience creating complex SI models and performing both frequency and time-domain simulations. Proficiency in Unix/Linux environments and experience with EDA tools through scripting. Strong knowledge of packaging and PCB technologies, design, and manufacturing processes. Familiarity with 2.5D/3D packaging technologies, such as CoWoS, InFo, EMIB, and RDL. Hands-on experience with electrical validation and compliance testing using tools like VNAs, oscilloscopes, spectrum analyzers, PCIe/I2C analyzers, traffic generators, TDR, and differential probes. Proven ability to work independently and collaboratively within a cross-functional team environment. Strong technical documentation skills and excellent written and verbal communication. Preferred Qualifications: Ph.D. in Electrical or Computer Engineering, specializing in SI. 10+ years of experience in SI analysis, simulation, and measurement of high-speed digital systems. In-depth understanding of computational electromagnetics and transmission line theory. Proficiency in DDR5 and LPDDR5X timing budgets, jitter analysis, and PHY design/link analysis. Experience with SI simulation for PCIe Gen6+, multi-gigabit serial buses (112Gbps+), UCIE, etc. Experience with package and PCB design tools such as Cadence Allegro. Proficiency in scripting with MATLAB, Perl, and Python. Minimum Qualifications: Bachelor's degree in Engineering, Information Systems, Computer Science, or related field and 8+ years of Systems Engineering or related work experience. OR Master's degree in Engineering, Information Systems, Computer Science, or related field and 7+ years of Systems Engineering or related work experience. OR PhD in Engineering, Information Systems, Computer Science, or related field and 6+ years of Systems Engineering or related work experience. Qualcomm is an equal opportunity employer. If you are an individual with a disability and need an accommodation during the application/hiring process, rest assured that Qualcomm is committed to providing an accessible process. You may e-mail

disability-accomodations@qualcomm.com

or call Qualcomm's toll-free number found here ( https://qualcomm.service-now.com/hrpublic?id=hr _public_article_view&sysparm_article=KB0039028).

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