Qureos

Find The RightJob.

Lead Principal Engineer Applications

#WeAreIn for jobs that impact everyone's life. Speak the language of innovation: where every customer story sparks a tech revolution? As a Lead Principal Engineer Applications in our Customer Collaboration and Technical Marketing team, you work hand-in-hand with our customers, enabling them to transform our products into cutting-edge designs, all while building longlasting partnerships that thrive on success. Are you in?

Your Role

Key responsibilities in your new role
  • Work with Server, Consumer, Communication, and Industrial customers and respective marketing teams to define and support the development of Multiphase Controller IC’s. Work with customers, both internal and external to Infineon, to create strong, clear definitions of product operation and product pin functionality. After the definition is complete work with the IC design team to implement the definition, validate the silicon and work on the initial customer design-in
  • Perform system level simulation for new Multiphase controller IC concepts and designs
  • Work with internal development teams to define the Multiphase controller IC architecture and control method (COT, VM, CM), and toverify application target requirements
  • Specify the VR design for AI and Server applications including the external components (L’s and C’s) so the controller can be adequately designed and verified
  • Gain customer and application knowledge and understand device usage in the end-application through regular customer visits
  • Benchmark competitor’s products and generation of promotional material and collaterals (test reports, application notes, white papers)for product promotion
  • Provide second-level support for complex technical inquiries from customers. Drive problem solving by simulations, system evaluation and bench testing
  • Create go-to-market evaluation boards, datasheets, application notes and design tools for new products and support customer project design-in activities
  • Prototype Multiphase controller VR platforms, assist in the verification of the silicon. Creation of demo boards and collateral creation (DS,APP notes, FAE & customer product and VR training) and initial design-in responsibility for the new controllers
  • Provide advanced technical training to regional FAEs on how to use Infineon components to enhance the value of the end customer’s products
  • Find a path forward when technical, personnel, and/or business issues arise
  • Propose and implement technical improvements to controller design, especially in the areas of control type, transient response, current balance, and other power performance areas of the controller
  • Engage in continuous learning about leading and working with others and pass relevant/key learnings to direct reports and line managers
  • Travel (Approximately 25% of the time) to provide on-site leadership and conversation

Your Profile

Qualifications and skills to help you succeed
  • An ideal candidate should have strong hands-on experience with DC/DC switch mode power supplies including buck, boost, buck-boost converters and high current power stages
  • BSEE or MSEE preferred with hands-on experience in high-frequency,high-current, high-density DC/DC designs including extensive lab skills for testing and debugging switch-mode power supplies. At least 3 years in silicon controller product development
  • Knowledgeable in power conversion topologies, power devices, and magnetic sand control loop design
  • Experience in the selection of MOSFET’s, Gate Drivers, Capacitors, Inductors and the use of these components in POL design and applications
  • Lab skills in using digital oscilloscopes, function generators, and network analyzers for the test and debug of switching power supplies
  • Experience with Matlab/Simulink, SIMetrix, or similar engineering tools is required
  • Able to collaborate with all functions in the organization from Marketing, FAEs and sales, to IC design and product development AE’s to ensure successful product development
  • Extremely responsive, ready to jump on the most difficult design and/or customer issues instantly
  • Effectively take on multiple tasks, manage priorities and solve technical problems independently
  • Well-organized, self-driven, good communication and presentation skills

#WeAreIn for driving decarbonization and digitalization.
As a global leader in semiconductor solutions in power systems and IoT, Infineon enables game-changing solutions for green and efficient energy, clean and safe mobility, as well as smart and secure IoT. Together, we drive innovation and customer success, while caring for our people and empowering them to reach ambitious goals. Be a part of making life easier, safer and greener.
Are you in?

We are on a journey to create the best Infineon for everyone.
This means we embrace diversity and inclusion and welcome everyone for who they are. At Infineon, we offer a working environment characterized by trust, openness, respect and tolerance and are committed to give all applicants and employees equal opportunities. We base our recruiting decisions on the applicant´s experience and skills. Learn more about our various contact channels.
We look forward to receiving your resume, even if you do not entirely meet all the requirements of the job posting.
Please let your recruiter know if they need to pay special attention to something in order to enable your participation in the interview process.
Click here for more information about Diversity & Inclusion at Infineon.

Driving decarbonization and digitalization. Together.

Infineon Technologies Americas Corp., is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), gender identity, national origin, ancestry, citizenship, age, physical or mental disability, legally protected medical condition, family care status, military or veteran status, marital status, domestic partner status, sexual orientation, or any other basis protected by local, state, or federal laws.

Employment at Infineon is contingent upon proof of your legal right to work in the United States under applicable law, verification of satisfactory references and successful completion of a background check and drug test, and signing all your on-boarding documents.

In some instances, if applicable, U.S. export control laws require that Infineon obtain a U.S. government export license prior to releasing technologies to certain persons. This offer is contingent upon Infineon's ability to satisfy these export control laws as related to your employment and anticipated job activities. The decision whether or not to submit and/or pursue an export license to satisfy this contingency, if applicable, shall be at Infineon's sole discretion.

Infineon Technologies takes data privacy and identity theft very seriously. As such, we do not request personally-identifiable information (PII) from applicants over the internet or electronically. Please kindly refrain from disclosing your PII electronically during the application process or to unauthorized websites that may purport to be Infineon or any of our affiliates.

In the United States, it is required to disclose a salary range to applicants. The Wage range that the company expects to pay for a qualified candidate in the United States is:

Andover, MA & El Segundo, CA:
Minimum of $179,520.00 Salary per year/ Maximum of $246,840.00 Salary per year

In addition, all employees will be eligible to participate in an incentive plan.

#LI-PB1

© 2026 Qureos. All rights reserved.