Principal Engineer Technical Marketing

Drive the Future of AI & Telecom Power Solutions at Infineon

Are you ready to shape the power architecture behind the world’s most demanding AI data centers and telecom infrastructure? We are looking for a Senior Power Electronics System Engineer to lead the development of next-generation DC/DC solutions that will define market leadership.

In this role, you won’t just support products—you will architect the system-level innovations that allow our customers to push the boundaries of efficiency, density, and performance. If you are passionate about wide-bandgap technologies (GaN/SiC) and high-density power design, we want to hear from you.

Your role Key responsibilities in your new role

- Architect AI-Ready Power Systems: Lead the conceptualization, design, and validation of state-of-the-art, high-density DC/DC converters and dynamic power supply architectures specifically tailored for high-transient AI inference and training workloads.
- Drive Innovation & Roadmap Execution: Execute the system solution roadmap to position Infineon as the market leader in AI data centers, creating compelling application notes, block diagrams, and value propositions that clearly articulate our technical edge.
- Pioneer Emerging Technologies: Explore and integrate novel conversion methods, including resonant converters and Wide-Band-Gap (GaN/SiC) semiconductors, to push the envelope of efficiency and power density in HV-IBC architectures.
- Master Market & Competitor Analysis: Conduct deep-dive research and teardowns of market-leading competitors to understand topology, content, and key technical issues, using these insights to refine our product features and system architectures for Telecom and Server power supplies.
- Enable Customer Success & Digital Presence: Collaborate with Digital Marketing to ensure clear system positioning and ease of searchability on the Infineon website, while providing high-level technical support, training, and inputs for customer RFIs/RFQs.

Your profile Qualifications and skills to help you succeed

- Extensive Power Electronics Expertise: You hold an M.S. in EE (8+ years experience) or B.S. in EE (10+ years experience) with a proven track record in isolated/nonisolated DC/DC power converter development, including full-cycle work from simulation to PCB layout and validation.
- Deep Technical Mastery: You possess extensive knowledge of DC-DC topologies, magnetic component design, and power semiconductor characteristics, with specific experience in digital/analog controllers and gate drivers for both Si and GaN.
- System-Level Application Engineering: You have at least 5 years of relevant experience in Application or System Engineering (ideally at an OEM, Tier 1, or Engineering Service Provider), with profound expertise in telecom brick designs, rack power supplies, and AI infrastructure.
- Leadership & Communication: You are a natural mentor who enjoys training junior engineers, conducting design reviews, and explaining complex system-level concepts to both internal stakeholders and external customers with clarity and precision.
- Advanced Education & Innovation Mindset: You hold an advanced degree (Master’s or Doctorate) in Electrical Engineering or a related field, and you stay ahead of the curve by staying updated on EMI/safety compliance and the latest trends in power management innovation. Global Impact: Work on critical infrastructure that powers the world’s AI and telecom networks.
- Cutting-Edge Tech: Hands-on experience with GaN, SiC, and high-density power architectures.
- Collaborative Culture: Work with cross-functional teams from marketing to product definition to ensure your solutions resonate with the market.
- Travel: Approx. 25% travel for customer meetings and technical engagement.

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 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.

Salary pay information:
Location Indicative salary range El Segundo, CA, United States Wage range that the company expects to pay for a qualified candidate: US$158,200 – US$217,600 In addition, all employees will be eligible to participate in an incentive plan.

#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.

We strive to create the best Infineon for everyone by embracing diversity and inclusion. We welcome applicants for who they are and offer a workplace built on trust, openness, respect and equal opportunity.

Our hiring decisions are based on skills and experience. Even if you don’t meet every requirement, we encourage you to apply.

Please let your recruiter know if you need any accommodations during the interview process.

Learn more about our various contact channels and about Diversity & Inclusion at Infineon.

Tania Gallardo