Senior Principal, Design Engineering

Celestica International LP; San Jose (CA); On-site; USD 180,000 - 240,000; Full time

Job summary

Celestica in San Jose, CA seeks a Senior Principal Design Engineer to lead advanced power system development for networking and storage products. You will design, simulate, validate and qualify high‑density power solutions, and provide technical leadership across teams including manufacturing and supply chain.

optimize performance and reliability while guiding schematic, BOM, and deployment strategies. You will mentor engineers, drive cross-functional reviews, and liaise with vendors to ensure

Qualifications

• Bachelor degree or equivalent combination of education and experience.
• 11+ years of relevant experience with 3+ in a leadership capacity.
• Extensive experience in high-density, high-current power delivery design.

Responsibilities

• Work autonomously and manage team priorities.
• Provide technical guidance to Staff and Sr. engineers.
• Design, develop and implement technical power solutions for complex projects.
• Lead power bring-up, debugging, and support for manufacturing assembly.

Skills

Power design

Leadership

Cross-functional collaboration

Circuit simulation

Power integrity

Vendor management

Problem solving

Education

Bachelor's degree

Tools

SIMPLIS

PSPICE

LTSPICE

Sigrity PowerDC/SI

ANSYS SIWave

CAD tools

Job description

Select how often (in days) to receive an alert:

Senior Principal, Design Engineering

Date: Oct 23, 2026

Location: San Jose, CA, US

Summary

The Principal Power Engineer develops new electrical systems/circuits for various applications. Research system ideas and draw up plans for these systems, and capture them in schematics and system specifications. Test, simulate, validate and qualify their systems and make adjustments as needed. Provide support throughout the manufacturing of the electrical systems they have designed.

The Principal Power Engineer works in cross functional teams with other designers, customers, manufacturing engineering and project leadership to ensure robust and high quality product development. Enhance designs with feedback from reviews in areas such as manufacturing, test, supply chain, reliability, industrial design and simulations.

Detailed Description

• Work autonomously and take initiatives to manage team priorities
• Provide technical guidance and support to Staff and Sr. engineers
• Design, develop and implement technical solutions for complex projects. Participate in project planning and scheduling.
• Propose innovative solutions for performance, reliability, and features of system or product.
• Global SME with comprehensive knowledge and industry recognition. Provides technical leadership and direction to a global team of engineers.
• Reviews and interprets customer specifications and may act as primary customer contact.
• Analyze trade-offs in complex systems and recommend solutions. Develop and lead deployment strategies and plans.
• Lead and manage schematic design, Bills of material, power tree, drawings, board layout, and cross-functional design reviews
• Lead power bring-up, debugging, and support for manufacturing assembly, and deployment
• Takes responsibility for non-technical elements of an engineering project (people, financials etc.)
• Lead relationships with key vendors and partners.
• Keep up to date with relevant industry knowledge and regulations, and share within team
• Liaison with suppliers, customers, contractors, and other internal teams.
• Analyze and create reports and documentation of specifications, design, testing, debugging, and etc.
• May be a recognized expert (go to person) in one or more technical areas.

Refer to technical skills below

• Considered a Subject Matter Expert in the area of power design, such as single/multi-phase DC/DC converter, point-of-load converter, LDO, MOSFETs, magnetics, hot-swap circuitry of how-swap controller, load switches, current sense circuit and amplifier, and etc
• Experienced in designing power systems for networking, compute, or storage products
• Experienced in high-current, low-voltage power subsystems for CPU, GPU, ASIC, SoC, and FPGA
• Experienced in PCB stack-up, power planes, and tools used to simulate voltage gradients
• Familiar with schematic capture and CAD layout tools or equivalent ones
• Proficient with circuit simulation tools such as SIMPLIS, PSPICE, and LTSPICE, or equivalent tools
• Experienced with end-to-end power delivery network design, and simulation using circuit simulation tools, Sigrity PowerDC/SI, ANSYS SIWave or equivalent, and board level correlation
• Knowledge of high-density power modules and Vertical Power Delivery (Knowledge on Integrated Voltage Regulator (IVR) is a plus)
• Experienced with power integrity evaluation
• Experienced with design and troubleshooting of power management interfaces such as PMBus, AVS, SVID and SVI2/3.
• Experienced with defining specifications and validation of power connectors, cable assemblies and fuses
• Familiar with NPI hardware design and deployment cycle
• Experienced with development of test automation for power validation that is a plus.
• Excellent verbal and written communication skills, and ability to present to various audiences effectively

Physical Demands

• Duties of this position are performed in a normal office environment.
• Duties may require extended periods of sitting and sustained visual concentration on a computer monitor or on numbers and other detailed data.
• Repetitive manual movements (e.g., data entry, using a computer mouse, using a calculator, etc.) are frequently required.
• Occasional travel may be required.

Typical Experience

• 11+ years' releveant work experience with 3+ in a leadership capacity.

#INDUS

#HPS-NA

Typical Education

Bachelor degree or consideration of an equivalent combination of education and experience.

Educational Requirements may vary by Geography

Notes

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. Job duties and the % of time identified for any function are subject to change at any time.

Celestica is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, pregnancy, genetic information, disability, status as a protected veteran, or any other protected category under applicable federal, state, and local laws.
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.
Celestica is an E-Verify employer.

Company Overview

Celestica (NYSE, TSX: CLS) enables the world’s best brands. Through our recognized customer-centric approach, we partner with leading companies in Aerospace and Defense, Communications, Enterprise, HealthTech, Industrial, Capital Equipment and Energy to deliver solutions for their most complex challenges. As a leader in design, manufacturing, hardware platform and supply chain solutions, Celestica brings global expertise and insight at every stage of product development – from drawing board to full-scale production and after-market services for products from advanced medical devices, to highly engineered aviation systems, to next-generation hardware platform solutions for the Cloud.Headquartered in Toronto, with talented teams spanning 40+ locations in 13 countries across the Americas, Europe and Asia, we imagine, develop and deliver a better future with our customers.

Celestica would like to thank all applicants, however, only qualified applicants will be contacted.
Celestica does not accept unsolicited resumes from recruitment agencies or fee based recruitment services.

Nearest Major Market: San Jose
Nearest Secondary Market: Palo Alto
Job Segment: Aerospace Engineering, Design Engineer, Data Entry, Drafting, Supply Chain, Engineering, Administrative, Operations