Principal System Application Engineer

#WeAreIn for jobs that impact everyone's life. Bridging needs with innovation - where customer challenges become our next big idea. As a Principal System Application Engineer on our Marketing team, you'll 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?

Key responsibilities in your new role Execute the system solution roadmap to position Infineon as a leader in AI datacenter solutions, delivering application notes , solution boards , block diagrams , system value propositions , tech notes , and simulation models . Lead the design and validation of cutting-edge power electronics for high-density AI accelerators , including custom DC-DC converters and dynamic power architectures, emphasizing high efficiency , power density , and superior transient performance for inference and training. Explore and prototype advanced DC/DC conversion approaches using resonant topologies , wide‑bandgap semiconductors (GaN, SiC) , and HV‑IBC architectures to push AI infrastructure performance. Define and evaluate system architectures and application requirements for server power supplies ; conduct market research, product analysis, and teardowns to identify topologies and technical gaps. Create measurable technical value propositions and application-level collateral ; assess new solutions (e.g., GaN ); drive concept verification , design‑in collateral, and inclusive technical customer support . Deliver technical trainings for diverse internal and external stakeholders; partner with Digital Marketing on inclusive system positioning , clear system block representations , and searchable web content. Provide technical inputs to RFIs/RFQs ; contribute to feature definitions for digital & analog controllers and power stages ; support customer engagements with occasional travel (about 25% ) Your profile Qualifications and skills to help you succeed Lead end-to-end development of isolated/non-isolated DC/DC power converters : concept , block diagrams , simulation , schematics , PCB layout , bring-up , board-level debugging , test and validation . Define and optimize converter topologies , select power semiconductors (Si, GaN ), and design high-performance magnetics . Implement and tune digital & analog controllers and gate drivers for robust power management. Use industry-standard simulation and PCB design tools ; produce clear, inclusive documentation and release packages. Ensure safety and EMI compliance ; drive verification, certification readiness, and continuous improvement. Mentor and uplift teammates through training , inclusive collaboration, and rigorous design reviews ; communicate effectively in English (verbal and written). Partner with customers and cross-functional teams on applications such as telecom bricks , rack power supplies , and AI systems; contribute Application/System Engineering expertise Additional information Infineon Technologies 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, 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