Electrical Engineer (Power)

Delta Electronics Americas

📍Fremont, CA
Posted May 19, 2026

Job Overview

Position

Electrical Engineer (Power)

Company

Delta Electronics Americas

Location

Fremont, CA

Work Type

On-site

Job ID

li-4415954555

Job Description

Delta, founded in 1971, is a global leader in switching power supplies and thermal management products with a thriving portfolio of smart energy-saving systems and solutions in the fields of industrial automation, building automation, telecom power, data center infrastructure, EV charging, renewable energy, energy storage and display, to nurture the development of smart manufacturing and sustainable cities. As a world-class corporate citizen guided by its mission statement, “To provide innovative, clean and energy-efficient solutions for a better tomorrow,” Delta leverages its core competence in high-efficiency power electronics and its ESG-embedded business model to address key environmental issues, such as climate change. Delta serves customers through its sales offices, R&D centers and manufacturing facilities spread over close to 200 locations across five continents. Delta has 158 sales offices, 72 R&D centers and 48 manufacturing facilities worldwide.

Throughout its history, Delta has received various global awards and recognition for its business achievements, innovative technologies, and dedication to ESG. Since 2011, Delta has been listed on the DJSI World Index of Dow Jones Sustainability™ Indices for 11 consecutive years. In 2021, Delta was also recognized by CDP with leadership level ratings for its substantial contribution to climate change and water security issues and named Supplier Engagement Leader for its continuous development of a sustainable value chain.

Position Description:

Sr. Power Electronics Field Application Engineer (FAE) serves as the primary technical interface between customers, internal business units, and account teams to support data center power solutions. This role focuses on understanding customer power architecture requirements and delivering technically sound solutions using Delta’s AC/DC and DC/DC power supplies, power shelves, rack-level power systems, and advanced cooling technologies.

The FAE will own all technical aspects of customer engagements, from architecture definition and product selection through validation and deployment, while working closely with Product Management, R&D, and Account Management. Building strong, trusted relationships with hyperscale, OEM, and ODM customers is critical to success. This position is based at Delta’s Fremont, California headquarters.

Key Duties/Responsibilities:

  • Act as the technical subject matter expert for data center power electronics, including AC/DC and DC/DC power supplies

  • Power shelves, adaptors, rack-level power systems, and busbar architectures

  • Thermal management solutions including air-cooled and cold-plate liquid-cooled designs

  • Perform or support system-level testing, validation, and troubleshooting of power solutions

  • Present test results, simulations, and performance data to customers in a clear and professional manner

  • Support customer qualification, integration, and deployment phases

  • Build trusted relationships with hyperscale, cloud service providers, OEMs, and ODMs, becoming their first point of contact for new power architecture opportunities

  • Work directly with customer engineering teams to understand power density, efficiency, redundancy requirements, compliance requirements and thermal constraints.

  • Work closely with Business Units (BU/BG), Product Management, and R&D teams, primarily based in Asia.

  • Partner with Account Managers to translate technical solutions into business value and help secure new design wins

Qualifications:

  • Bachelors degree is EE is required, Master’s degree in EE is Preferred

  • 7+ years of experience in power electronics, Field Application Engineering, or Solutions Engineering

  • Hands-on experience with data center power systems, including AC/DC and DC/DC power supplies

  • Strong understanding of power efficiency, redundancy, thermal considerations, and system-level design

Additional Requirements:

  • Self-driven, results-oriented, and customer-focused

  • Ability to work under pressure and manage multiple projects simultaneously

  • Excellent verbal and written communication skills with both technical and non-technical audiences

  • Comfortable presenting technical content to customers and internal teams

  • Willingness to travel approximately 20%, including overnight travel

Interview Prep

AI-powered insights to help you prepare

Key Skills

Required:
Preferred:

Practice Questions

💡Technical Questions (3)
  • 1.How do you approach architecting a rack-level power solution for a hyperscale data center that requires high availability and strict efficiency targets?
  • 2.Can you explain the key thermal considerations when transitioning a data center power architecture from traditional air-cooling to cold-plate liquid-cooling?
  • 3.Walk me through your process for troubleshooting a power supply unit that is failing during the customer's system-level validation testing.
🎯Behavioral Questions (3)
  • 1.Tell me about a time you had to build a trusted technical relationship with a hesitant or demanding hyperscale customer to secure a design win.
  • 2.Describe a situation where you had to align customer requirements with an R&D team located in a different region or time zone.
  • 3.Give me an example of a time you had to present complex test or validation data to a non-technical audience to help secure a business decision.
🧩Situational Questions (2)
  • 1.A major cloud service provider is designing a new high-density AI server rack and requests a power architecture that pushes beyond our current product's thermal limits. How do you handle this technical engagement?
  • 2.During a customer qualification phase, your power shelf fails a specific redundancy test due to a firmware bug, and the R&D team in Asia is offline for a national holiday. The customer is pressuring you for an immediate fix. What do you do?

Resume Keywords

Make sure these keywords appear on your resume

Data Center PowerAC/DC Power SuppliesDC/DC ConvertersField Application EngineerThermal ManagementHyperscalePower ShelfBusbar ArchitectureDesign WinSystem ValidationRedundancyLiquid Cooling

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