#WeAreIn for jobs that impact everyone's life. Build the future nobody’s dreamed of yet... are you ready to rethink the impossible? As a Principal Analog/Mixed-Signal Engineer in our Research & Development team, you'll have the opportunity to merge creativity with your technical expertise by shaping the future of technology, driving groundbreaking projects, and bringing new ideas to life. Are you in?

Your Role

Lead the development of high-performance analog and mixed-signal ICs from concept through prototype approval and production ramp, including design for manufacturability, yield, test, and reliability

Act as a key technical interface to customers and internal stakeholders (specification, design, layout, process, test, and product engineering)

Own key technical decisions from architecture through silicon bring-up, working closely with analog, layout, and digital design teams

Supervise and perform transistor-level design, simulation, verification, and validation (PVT, Monte Carlo, mixed-signal, modeling, optimization) in collaboration with analog, layout, digital design, and validation engineers

Prepare materials for design reviews and maintain clear internal design documentation, including test requirements and validation plans

Guide lab and test engineers during measurement and validation of developed analog blocks

Generate new IP and support patent disclosures/filings, and mentor junior engineers through project work and technical guidance

Qualifications And Skills To Help You Succeed

PhD, Master’s,



or Diploma in Electrical Engineering or Microelectronics, with an emphasis on analog/mixed-signal integrated circuit design (or similar)

10+ years of experience in analog and mixed-signal IC design

Strong knowledge of Cadence EDA tools and circuit simulation; good knowledge of MATLAB or Python for system/behavioral modeling

Strong intuitive and analytical understanding of transistor-level design

Experience designing most of the following blocks: ADCs, DACs, AFEs. Experience with an AFE+ADC subsystem is a plus

Team player with excellent listening, communication, and organizational skills; ability to organize and prioritize work for yourself and others

Fluency in English; Spanish is an advantage

EEO Statement 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.

📌 Principal Analog/Mixed-Signal Engineer (f/m/div) (Madrid)
🏢 Infineon Technologies
📍 Madrid