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Package Design, Signal and Power Integrity Senior Staff Engineer

Celestial AI - Santa Clara, CA, United States - In-office

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Salary: USD 141,150 - 211,400 / annual

Marvell's Central Engineering team is seeking a Senior Staff Engineer specializing in high-speed IC package signal integrity (SI) and power integrity (PI) design. You will contribute to the development of advanced microelectronic packages for semiconductors supporting 448 Gb/s data rates and beyond. In this role, you will operate independently in technically ambiguous areas, identifying gaps and developing improved approaches when established methodologies do not exist. Key responsibilities include: • Package interconnect design, modeling, and characterization for high-speed interfaces • Power delivery network (PDN) design and analysis • SI/PI simulation methodology development and correlation with lab measurements • Development of design rules and practical solutions for custom high-speed interfaces • Cross-functional collaboration to explore new interconnect architectures • Investigation of channel and PDN behavior to establish root causes of performance issues • Lab measurements and validation using equipment such as VNA and TDR • Automation of SI, PI, and packaging activities using scripting tools • Management of package development involving assembly, physical layout, analog/digital design, and marketing teams You will work within Marvell's central advanced packaging organization, which plays a critical role in delivering next-generation connectivity and compute products. This position directly shapes product performance, reliability, and time-to-market, making it a key contributor to Marvell's technology leadership. REQUIREMENTS: • MS or PhD in Electrical Engineering or Computer Engineering with relevant industry experience • Strong understanding of transmission line theory and electromagnetic fundamentals • Deep understanding of frequency and time domain analysis in high-speed design • Demonstrated ability to independently solve complex SI/PI problems • Experience driving SI/PI design from architecture through implementation and validation • Experience developing SI/PI workflows and investigating tool trade-offs • Proficiency with 2D and 3D EM simulation tools (Ansys HFSS, SI-Wave, Cadence Clarity) • Power plane design, modeling, and analysis using tools like PowerSI and Siwave • Working knowledge of channel and circuit simulators (ADS, Hspice) • Proven track record of systematically investigating channel/PDN behavior • Experience with lab measurements and equipment (VNA, TDR) • Familiarity with layout tools (Allegro, APD, PADS) • Strong communication, presentation, and documentation skills HIGHLY DESIRED: • Familiarity with packaging technologies, materials, package substrate design rules, and assembly rules • Knowledge of thermal and mechanical analysis of IC package development • Experience with high-speed electronic packaging for digital and analog ICs • Experience with 2.5D/3D package development • Experience with CPC/CPO connectors • Ability to automate SI, PI, and packaging activities using Python or similar scripting tools • Experience managing package development across cross-functional teams

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