Principle Engineer Applications
Livonia · United States$157k–$216kPosted Jun 30, 2026
#WeAreIn for jobs that impact everyone's life. Turning customer whispers into industry shaking solutions... ready to amplify the future? As a Principle 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
* Bachelor’s degree in Electrical Engineering, Electronics, Computer Engineering, or related field (Master’s preferred)
* 5+ years of experience in semiconductor applications engineering, preferably in automotiv
* Proven expertise in Automotive Ethernet technologies and Automotive Sensor/Display bridge. (e.g., 100BASE-T1, 1000BASE-T1, 10BASE-T1S, MultiGig)
Strong understanding of:
* Ethernet PHYs and switches
* Network protocols: TCP/IP, AVB/TSN, SOME/IP, DoIP
* Signal integrity and high-speed design principles
* Hands-on experience with lab equipment (oscilloscopes, network analyzers, protocol analyzers)
* Experience working directly with automotive OEMs and Tier-1 suppliers
* Excellent communication and presentation skills
Your Profile
Qualifications and skills to help you succeed
* Customer Engagement & Technical Leadership:
Serve as the lead technical advisor for assigned OEM and Tier-1customers
Drive design-in and design-win activities for Automotive Ethernet PHYs, switches, and associated products
Provide system-level guidance on in-vehicle networking architectures(zonal, domain, backbone)
Support customer bring-up, debugging, and optimization in hardware and software domains
Conduct technical presentations, workshops, and training sessions
* Product & Application Support:
Assist customers in schematic design reviews, layout recommendations, and signal integrity considerations
Support compliance with automotive standards (OPEN Alliance, IEEE 802.3,100/1000BASE-T1, 10BASE-T1S, MultiGig Ethernet, Asymmetrical MultiGig Ethernet, etc.)
Troubleshoot complex integration issues across hardware, firmware, and network layers
Develop and deliver application notes, design guides, and reference implementations
* Cross-Functional Collaboration
Act as the voice of the customer within the company to influence product roadmap and features Collaborate closely with R&D, product marketing, and quality teams
Provide detailed feedback on silicon performance, specifications, and customer requirements
Support failure analysis and root-cause investigations
* Business Impact Contribute to revenue growth through successful design wins and customer retention
Support account teams in pre-sales technical strategy and positioning
Identify new opportunities in emerging automotive architectures (ADAS, autonomous, SDV)
* At Infineon, we are committed to cultivating a diverse and inclusive workplace where all voices are valued and everyone has equal opportunity to contribute to our success
– Automotive (ATV) shapes the future of mobility with microelectronics enabling clean, safe, and smart cars –
The ATV division is shaping the future of mobility by enabling clean, safe, and smart cars. Its product and solution offering is powering the decarbonization and digitalization of vehicles. By driving the transition to hybrid and purely electric vehicles, ATV is making a valuable contribution to cleaner roads. ATV is also increasingly digitalizing cockpit, infotainment, comfort, and lighting applications as it takes automated driving to the next stage with higher levels of connectivity, security, and safety.
The ATV portfolio integrates sensors, microcontrollers, high-performance memories for specific applications, power semiconductors based on silicon and silicon carbide, as well as components for human-machine interaction and vehicle connectivity. Infineon is the world leader in automotive semiconductors.
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