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Senior or Principal Mixed Signal IC Design Engineer

. . . create world-changing products using God-given talents . . .


The Senior or Principal Mixed Signal IC Design Engineer will be responsible for project team leadership and individual technical contributions of all phases of innovation, design, and development of low power, mixed-signal and analog integrated circuits for life critical implantable medical device products and technology from market definition through release and maintenance. The successful candidate will have a significant breadth of knowledge and experience with a broad range of disciplines beyond integrated circuit design including research, marketing, design, clinical, regulatory, manufacturing, quality, and testing. Success is measured by the on-time delivery of product-specific integrated circuits that address key clinical and business needs of our customers and exceed industry standards for reliability and quality.

Specific development responsibilities involve using state-of-the-art CAD tools for the design, simulation, integration and verification of integrated circuits and systems including concept/specification, partitioning and block-level design, detailed circuit design and simulation, layout floor-planning and transistor level layout, bench verification and testing, test vector development, and documentation. The individual in this position directly interacts and collaborates with system, software, and clinical engineering departments and medical consultants in addition to IC design, test and layout engineers with US and International based design centers.

  • We are building a Next-generation Biomonitoring system. Neurostimulators
  • While developing our products we are using RTL, EDA (Cadence design tools, Synopsys design tools), Mixed-signal design, etc.
  • Our team has 16 people in Sugar land, TX, and 11 in Lake Oswego, Oregon (if you are located in NorCal WA you are welcome to join our Portland OR office)
  • In general, employees would need to reside within a few hours of Sugar Land, TX. We offer a GREAT relocation package.
  • Standard hours are 8 a.m. to 5 p.m. with a one-hour lunch. The reality is that we have had flexible hours through the pandemic and most are working in excess of the standard 40-hour workweek.
  • 3 interview stages: 30mins with a Project Lead, 60mins interviews with an Architect, and 3hrs interviews with a Team
  • 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. Preferred: 5+ years implantable medical device industry experience including FDA regulated design controls and product approval process.
  • The successful candidate should be a self-motivated 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.
  • 10 years of experience in mixed-signal 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 to optimally implement system functions.
  • Deep understanding of CMOS processes, device characteristics and models, transistor level circuit analysis and design concepts and trade-offs: BW, noise, power, feedback analysis, stability etc., worst case process corners, margin and Monte Carlo analysis, and design-for-test. Preferred: Knowledge of library development of low power flows, including voltage/power domains, power shutoff, retention is desired using advanced deep submicron processes
  • Solid understanding of circuit building blocks (op-amps, comparators, voltage and current references, DACs, ADCs,) and layout techniques for ultra-low 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 and 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 test-vector generation for pre-silicon and post-silicon verification, design-for-manufacturing test vector generation, production support, fault isolation and failure analysis, and pre-clinical 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.

The physical demands described within the Responsibilities section of this job description are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

  • While performing the duties of this job, the employee is regularly required to be independently mobile.
  • The employee is also required to interact with a computer for extended periods of time, and communicate with co-workers.
  • Must be able to work a minimum of 40 hours / week.
  • Design and development of high-performance and high-reliability ultra-low 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, top-level design architecture, design partitioning and block level design, detailed circuit design and simulation, layout floor-planning and transistor level layout, bench verification and testing, test-vector development, and documentation.
  • Design of novel, robust, ultra-low power, low-voltage analog/mixed-signal IC functional blocks including but not limited to voltage/current references, operational amplifiers, comparators, switched-capacitor circuits (amplifiers, filters, charge pumps, etc.), ADCs and DACs, oscillators, switching power circuits, communication circuits, etc.
  • Design of ultra-low power digital functional blocks (combinatorial, sequential, synchronous, asynchronous, state machines, etc.) for timing, control interfacing, and signal processing.  Additional responsibilities may include memory IP/array design and or specifying requirements and work with outside resources for SRAM, and/or NVM design
  • Create behavioral models for modules and system level verification models for circuits. Perform pre-silicon verification and post-silicon validation of circuits. Collaborate with IC Test groups 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

At Evolve Squads, we create world-changing products using God-given talents.


You are eligible for Medical, RX, Dental, Vision.
  • 401(k) benefits upon your date of hire.
  • HSA, Life Insurance, AD&D, Disability coverage, and any
  • Elective coverages go into effect 1st of the month following your date of hire.
  • Health, Dental, and Vision insurance
  • Flexible schedule
  • Uncapped PTO, and more.
  • Life and Accident (AD&D) Insurance.
  • Disability Insurance.
  • Employee Assistance Program.
  • Medicare Education and Enrollment Support.


Job Category: Back-end
Skills: C/C++