StaffPrincipal Mixed Signal IC Design Engineer

Job Summary:

This role will lead project teams and contribute technically across all phases of innovation design and development for lowpower mixedsignal and analog integrated circuits. These circuits are crucial for lifecritical implantable medical devices guiding them from market definition through release and ongoing maintenance.

This position will work across multiple disciplines extending beyond integrated circuit design to areas like research marketing clinical regulatory manufacturing quality and testing. Success will be measured by the timely delivery of integrated circuits that meet critical clinical and business needs while exceeding industry standards for reliability and responsibilities include using stateoftheart CAD tools for the design simulation integration and verification of integrated circuits and systems. This role will collaborate directly with system hardware software and clinical engineering teams as well as medical consultants and work closely with IC design test and layout engineers in both US and international design centers.

Responsibilities:

• Design and development of highperformance and highreliability ultralow power analog/mixed signal integrated circuits for implantable medical products.
• Active involvement in all aspects of IC design including the development of functional concepts and specifications toplevel design architecture design partitioning and block level design detailed circuit design and simulation layout floorplanning and transistor level layout bench verification and testing testvector development and documentation.
• Design of novel robust ultralow power lowvoltage analog/mixedsignal IC functional blocks including but not limited to voltage/current references operational amplifiers comparators switchedcapacitor circuits (amplifiers filters charge pumps etc. ADCs and DACs oscillators switching power circuits communication circuits etc.
• Design of ultralow power digital functional blocks (combinatorial sequential synchronous asynchronous state machines etc. for timing control interfacing and signal processing.
• Create behavioral models for modules and system level verification models for circuits. Perform presilicon verification and postsilicon validation of circuits. Collaborate with IC Test group to define production vectors.
• Consult with physicians clinical research published literature and technology leaders on new and existing technologies trends and requirements for their uses.

Education and Experience:

• Advanced degree in Electrical Engineering (MS / PhD) with additional background in biomedical engineering physiology biology and/or business principles with demonstrated expertise in fundamental electrical engineering circuit and systems principles and closed form analytical approaches.
• Selfmotivated independent thinker able to apply industry research and personal experience to design proposals combined with strong verbal communications skill and strong technical document writing skills.
• 8 years of experience in analog/mixedsignal IC design for very low power portable and/or implantable applications with a strong grasp of the tradeoffs involved in using various analog and digital circuit design techniques (RTL or schematicbased) to optimally implement system functions.
  • Preferred: 5 years implantable medical device industry experience including FDA regulated design controls and product approval process.
• Deep understanding of CMOS processes device characteristics and models transistor level circuit analysis and design concepts and tradeoffs: BW noise power feedback analysis stability etc. worst case process corners margin and Monte Carlo analysis and designfortest.
  • Preferred: Knowledge of low power flows including voltage/power domains power shutoff retention is desired
• Solid understanding of circuit building blocks (opamps comparators voltage and current references DACs ADCs) and layout techniques for ultralow power design to deliver robust production quality silicon designs.
  • Preferred: Experience with medical domain specific designs such as neuromodulation charging low noise biomedical signal measurement and processing battery energy conversion techniques and very low power RF communication circuits.
• Extensive working knowledge and use of Cadence mixed signal Design tools Virtuoso XL Spectre Xcelium/AMS simulators along with Maestro and other mixed signal signoff tools for analog regression testing.
  • Preferred: Knowledge of scripting/language (perl shell tcl python) along with C/C as well Matlab is desirable
• Experience in lab bench characterization and testvector generation for presilicon and postsilicon verification designformanufacturing test vector generation production support fault isolation and failure analysis and preclinical and clinical testing environments.
• The successful candidate would demonstrate industry recognition of technical accomplishments in the form of patents and/or published articles.
  • Preferred: Experience with international teams and a working knowledge of German would be highly desirable.