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Principal Application Engineer

onsemi

On-site
Piestany, Slovakia
Full-time
Principal
10+ yrs
Salary not listedPosted 2mo ago

Real job — pulled straight from onsemi’s careers page · Verified July 17, 2026 · No reposts.

Job description

onsemi is hiring a Principal Application Engineer — a full-time, based in Piestany, Slovakia role. Apply directly on onsemi's careers page below.

Principal Application Engineer

Location: Piestany, Trnavsky kraj, Slovakia

  •  As part of the onsemi GaN division, you will contribute to the development and proliferation of 40V to 1200V GaN in various key applications, with products such as transistor, bidirectional switch, integrated power stage, and smart Power IC.
  • Provides technical leadership, drives architecture decisions, and collaborates closely with device, package, and reliability teams.
  • Create ‘customer ready’ material to support product promotion and engagement at customers, including evaluation board, demo board, datasheet, application notes, white papers, and other collaterals
  • Optimize onsemi content in customer systems
  • Showcase onsemi technology and breadth of portfolio
  • Demonstrate how customers can benefit from integration of onsemi technology
  • Drive cross-selling/solution-selling across the onsemi portfolio

Key Responsibilities:

  • Execute comprehensive product validation based on benchmark analysis
  • Identify the real system needs through deeper engagement with customers
  • Design, bring up, and validate power electronic hardware prototypes
  • Drive electrical, thermal, EMI, and reliability debugging and root‑cause analysis
  • Promote, design-in and validate GaN solutions into customer’s systems
  • Support marketing with roadmap creation and product definitions
  • Drive schematics and layouts for reference designs and customer specific solutions
  • Create documentation and collateral such as analysis & measurement reports, application notes, white papers user manuals and datasheets
  • Mentor junior engineers and provide technical guidance across projects

We offer:

  • Guaranteed annual bonus 50% from monthly base salary
  • Annual corporate bonus paid based on the company's results
  • Benefit Plus (Cafeteria) credit up to 480 € per year
  • Financial contribution in the amount of 8.85€ (employee contribution 1.85€)
  • Travel allowance 
  • Contribution to the third pillar of the pension plan up to 3% of the gross salary
  • Sick leave contribution
  • Regular annual salary review
  • Financial reward for reffering a new employee
  • Extra days off – Bridge days
  • Sick days
  • Volunteering day off
  • MultiSport card
  • Individual education and employee development plan
  • Teambuilding and company’s events
  • Mental health support program

What we are looking for:

  • Bachelor of Science Electrical Engineering, Power Electronics 
  • 10+ years of experience in power electronics and/or wide‑bandgap semiconductor applications
  • Ability to setup and run simulations including Spice, Plecs, Simplis, etc
  • Strong hands-on experience
  • Strong ‘PCB level’ design and debugging skills
  • Experience in product definition is a strong plus
  • Experience and know-how in specific applications: ACDC power supplies, DCDC stages, AI server, motordrive, renewable energy systems
  • Willingness to travel - 30%
  • Self-esteem, self-motivated with initiative and ability to work in a global team environment
  • Ability to manage and motivate cross functional teams without direct report responsibility
  • Excellent communication and interpersonal skills

About Us

onsemi (Nasdaq: ON) is driving disruptive innovations to help build a better future. With a focus on automotive and industrial end-markets, the company is accelerating change in megatrends such as vehicle electrification and safety, sustainable energy grids, industrial automation, and 5G and cloud infrastructure. With a highly differentiated and innovative product portfolio, onsemi creates intelligent power and sensing technologies that solve the world’s most complex challenges and leads the way in creating a safer, cleaner, and smarter world.

More details about our company benefits can be found here:

https://www.onsemi.com/careers/career-benefits

About the Organization

We are committed to sourcing, attracting, and hiring high-performance innovators, while providing all candidates a positive recruitment experience that builds our brand as a great place to work.

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Frequently asked questions

What skills are required for Principal Application Engineer at onsemi?

The required skills for Principal Application Engineer at onsemi include: Electrical Engineering.

What is the seniority level for Principal Application Engineer at onsemi?

Principal Application Engineer at onsemi is a Principal level position.

How do I apply for Principal Application Engineer at onsemi?

You can view the full description and apply for Principal Application Engineer at onsemi on EchoJobs: https://echojobs.io/job/onsemi-principal-application-engineer-gprh8.