Principal, Design Engineering - PowerLocation: San Jose, CA, USResponsible for architecting, implementing, and supporting power system solutions for networking, storage, and server systems and related products. In this position you will develop hardware solutions to be integrated into common platform designs including processors, high‑speed serial interfaces, NPUs, FPGAs, high‑speed memory (DDR4/DDR5), and high‑speed PCB layout. You will work with design, software/firmware, mechanical and thermal engineers and lead the design of DC‑DC switch‑mode power supplies and component selection. The successful candidate will work across disciplines to assure power supply designs meet the power, thermal, and safety requirements of the system specification and collaborate with Celestica multi‑disciplinary engineering and manufacturing teams to contribute to the specification, design, and debug of complex power delivery systems for datacenter products.Key Responsibilities:Design power solutions for custom server & storage and networking products using x86, ARM SoCs, DDR4/DDR5, NVMe‑oF, PCIe, RAID controllers and SAS; drive power systems architectural direction for next‑generation devices & platforms.Define power architectures, work with SI engineers to define SI constraints, guide CAD designers, and bring‑up and debug issues.Set standards and achieve cost and performance for product.Make design choices, component selection, and supplier selection.RLC component selection, create and maintain the preferred list.DC‑relevant IC selection, create and maintain the preferred list.Manage BOM cost.Design and maintain building blocks of DC‑relevant circuit, including BBU, except PSU; base on specific requirements, including schematic and layout design.Act as architecture lead and contribute to power delivery system architecture and specifications.Design, analyze, and simulate high‑current and low‑noise power delivery circuits.Debug and contribute to system bring‑up, debug, and validation in the lab.Verification: write and execute test and DVT plans.Experience:10+ years industry experience, 5+ years power supply design experience.Familiar with the theory of buck, boost, buck‑boost, LDO, hotswap, oring, load switch, E‑fuse, fuel gauge, fuse transistor, diode cell and DC‑relevant parts and IC.Familiar with Intel VR solutions like VR12.5 and VR13 design.Well understand power efficiency optimization.Experience of products development from prototype to mass production.Proficiency in high‑efficiency DC‑DC power conversion design, analysis, circuit simulation, control loops, and stabilization.Good understanding and skills to determine phase and gain margins.Proficiency in power design component selection and trade‑offs.Proficiency with Spice, LTspice, TI WorkBench, etc. circuit simulators.Experience in both high current low voltage multi‑phase (>500W) as well as ultra‑low noise power delivery circuitry.Proficiency in power supply layout and thermal design rules.Technical leadership of PCB layout with respect to various grounding and low‑noise etch techniques.Proficiency in power‑up sequencing in multi‑power supply systems.Designing interfaces with Processors, SPI & I2C devices.Ability to quickly grasp the existing designs and work independently with minimal supervision.Excellent verbal, written communication skills to produce specifications and test plans.Experience in power supply design for leading‑edge high speed communication devices.Experience in power supply design for sensitive optical, switch, memory, NPU, CPU, GPU components.Failure mode analysis.Good understanding of power efficiency optimization schemes.Experience with Cadence Allegro and DxDesigner tools.Typical Education:Bachelor's degree in Electrical Engineering; Master's is preferred.Educational requirements may vary by geography.Travel:Occasional overnight travel is required.Salary Range:$142,000 - $222,000Notes:This job description is not intended to be an exhaustive list of all duties and responsibilities of the position. Employees are held accountable for all duties of the job.All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.Celestica's policy on equal employment opportunity prohibits discrimination based on race, color, creed, religion, national origin, gender, sexual orientation, gender identity, age, marital status, veteran or disability status, or other characteristics protected by law.This policy applies to hiring, promotion, discharge, pay, fringe benefits, job training, classification, referral and other aspects of employment and also states that retaliation against a person who files a charge of discrimination, participates in a discrimination proceeding, or otherwise opposes an unlawful employment practice will not be tolerated. All information will be kept confidential according to EEO guidelines.#J-18808-Ljbffr