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Applications Engineer (Power Management, DC-DC)

onsemi • Energy Management • Analog & Power Semiconductors • Travel required • 8 days ago
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Salary
≈ $86k – $158k per year (Estimated)
Location
In office (San Jose)
Seniority
Middle · 3+ years exp

Confirmed on the employer's own hiring board on Oct 14, 2026. First seen by Alion on Oct 5, 2026. onsemi scores B on the Alion truth index.

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onsemi

Onsemi is an American semiconductor company that was spun out of Motorola in 1999 and has since narrowed itself from a broad commodity chip supplier into a focused power and sensing business. Its silicon carbide and silicon power devices go into electric vehicle traction inverters, chargers and industrial drives, while its image sensors are used in automotive cameras and industrial vision, and it has deliberately exited lower-margin product lines to concentrate on these markets. Headquartered in Scottsdale, Arizona and listed on Nasdaq, it owns its own silicon carbide substrate manufacturing to secure supply.
onsemi.com • HQ: Scottsdale, United States • Machine Vision & 3D Cameras • Analog & Power Semiconductors • 1001-5000 employees • Est. 1999
Tech stack of onsemi

Are you passionate about power electronics and creating innovative power management solutions? Join onsemi's Power Management Division (PMD) and help us innovate a better future. Our technologies power AI data centers, physical AI systems, telecom infrastructure, industrial automation, and next-generation mobile devices for leading OEMs around the world.

PMD's PMIC & PoL Business Unit (BU) is seeking an experienced Applications Engineer to join our team. Our Applications Engineers are experts in DC-DC converter applications and play a key role in product definition, application validation during new product development (NPD), and customer technical support throughout the product lifecycle.

As a PMIC & PoL Business Unit Applications Engineer, you’ll collaborate with an experienced, co-located engineering team and leverage onsemi’s global support network to drive customer success. As a trusted technical advisor to customer application engineers (front-line support), field application engineers (FAE), and customers, you'll help solve complex power management challenges, accelerate product development, and contribute to the success of industry-leading products.

The San Jose Design Center is an onsemi Center of Excellence where you’ll work alongside Silicon Valley’s best engineers including PMD Business Unit leadership and engineering staff, as well as onsemi’s executive leadership, including the Analog & Mixed Signal Group (AMG) President, SVP Corporate Strategy, SVP Sales & Applications, SVP Operations, and SVP of Global Manufacturing. Additionally, PMD operates a state-of-the-art 3000 sq ft engineering lab with 50 benches and the latest test equipment.

  • Provide technical customer support for a portfolio of power management products including converters, controllers, and drivers (this position does not require frequent travel)
    • Support onsemi’s customer apps and FAEs with issues escalated to BU
    • Provide direct customer support for key customers
      • Utilize cross-functional teams such as FAE, Design, Quality, Manufacturing, and Product Engineering as needed
    • Create and present product training material to onsemi’s technical support community, including FAE and Sales
    • Author and publish application notes and knowledge base articles
  • Support NPD Applications Engineering activities
    • Strategize with Product Definition and Design Leads on new product requirements
    • Represent BU Applications during all phases of NPD
    • Create customer-facing collateral including EVB, GUI, User Guide, model, design aid, and datasheet
    • Validate new products for application functionality
  • BSEE or MSEE (or equivalent) with a focus on power electronics and DC-DC conversion
  • 3 to 10+ years minimum professional experience with switching power converters, controllers, and drivers
  • Proficient with simulation tools, especially SIMPLIS
  • Schematic capture and PCB layout experience, Altium preferred (including library management)
  • Effective circuit debug skills in an engineering lab
  • Bench test equipment automation development (nice to have)
  • Strong written and verbal communication skills
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