Principal Field Applications Engineer
Milpitas, Santa Clara County, California, 95035, USA
Listed on 2026-09-04
-
Engineering
Systems Engineer, Electronics Engineer, Test Engineer, Electrical Engineering
Principal Applications Engineer – Power Electronics (DC-DC Converters)
Location:
San Jose / Milpitas, CA (hybrid)
Compensation: $170,000 – $250,000 base + 15% or higher annual bonus (historically higher)
Relocation:
Available assistance if needed, preference for local candidates
wWe are seeking a senior-level Principal Applications Engineer with deep expertise in low-voltage DC-DC converters (Buck conversion products) to support advanced power module products used in high-performance computing, networking, storage, and other demanding applications
.This role is highly technical and customer-facing, combining hands-on lab work, post-sales design-in support, and close collaboration with internal design, validation, and field engineering teams. The position is based in the San Jose / Milpitas area and supports a major local customer
.The ideal candidate is a former design engineer or verification engineer who has worked directly on DC-DC converter designs and enjoys solving complex technical problems in lab environments while working closely with customers
Key Responsibilities- esAct as the technical subject matter expert for DC-DC converter and buck conversion product
- s.Provide post-sales technical guidance and design-in support to customer engineering team
- s.Conduct complex qualification and verification testing in local labs and at customer sites (approximately 50–75% onsite depending on project phase
- ).Support field engineers by resolving advanced technical questions and system-level issue
- s.Verify products against customer specifications and application requirement
- s.Collaborate closely with internal design engineering, validation, manufacturing, and business development teams to resolve issues and deliver results on schedul
- e.Translate customer technical needs into product recommendations, specifications, and development feedbac
- k.Identify potential design or integration risks early and communicate clearly with both customers and internal team
- s.Coordinate product integration efforts between component suppliers, internal teams, and customer
- s.Develop and deliver technical presentations and seminars for customers and field engineering team
- s.Define initial project scope, prepare project plans, and maintain technical documentatio
- n.May sit onsite with customers locally for extended periods during critical project phase
- ons Bachelor’s degree in Electrical Engineering (Master’s preferre
- d).8+ years of experience in design engineering, applications engineering, or verification engineering within power electroni
- cs.
Strong hands-on experience with low-voltage DC-DC converter design, validation, and application suppo - rt.
Deep understanding of power conversion topologies, power integrity, thermal considerations, and system-level performance tradeof - fs.
Extensive comfort working in lab environments performing qualification and validation testi - ng.
Proven ability to support mid-to-large customers in complex technical environmen - ts.
Strong communication skills and the ability to explain complex technical topics clearly to customers and internal tea
- ions Background in power modules used for data centers, networking, computing, or industrial syst
- ems.
Experience supporting field application engineering te - ams.
Mandarin language skills are a p - nment
Hybrid role based in the San Jose - area.
Work from home option when not performing lab or customer-site - work.
Significant hands-on lab exposure using advanced power electronics platf - orms.
Close collaboration with global engineering and manufacturing t
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