The Senior MEMS Characterization Engineer will be responsible for characterization activities as they relate to tunable RF MEMS, including capacitive and ohmic contact switches, which are intended to produce integrated tunable systems (filters, radio front ends, PAs) when integrated with Wispry’s RF MEMS tuners. The Senior MEMS Characterization Engineer will need to have a fundamental understanding of electrostatic MEMS devices, integrated CMOS control, electrical measurements for static and dynamic characterization. In addition, the MEMS Characterization Engineer should have a fundamental understanding of MEMS fabrication methods, design methods, and theory of operation.

The Senior MEMS Characterization Engineer will fill a cross-functional role by contributing to MEMS technology, device, and product development. As part of the cross-functional development, the Senior MEMS Characterization Engineer will be part of a collaborative engineering team working with MEMS design and process engineers, RF/CMOS Engineering, Operations (Fabrication, Assembly, and Test), and Quality & Reliability.

ESSENTIAL RESPONSIBILITIES:

• Characterize quasi-static electromechanical performance of electrostatic MEMS devices, including capacitive and ohmic contact switches, and other MEMS test structures
• Collaborate with MEMS design engineers to verify the performance of new MEMS designs
• Collaborate with MEMS process engineers and Foundry partners to develop and implement MEMS device testing.
• Collaborate with MEMS Operations and Q&R teams to design and implement MEMS test and characterization techniques and reliability assessments.
• Perform statistical analysis of test and characterization results for correlation with simulation models or process parameters.
• Develop models of MEMS test structures for process control monitoring and material characterization of electrical, mechanical, and thermal properties.

 REQUIRED SKILLS:

• Experience with MEMS design and layout tools such as Coventor, SEMulator, Ansys, Matlab, Cadence, Mentor Graphics.
• Proficiency with statistical analysis and design of experiments using tools such as SAS, SAS JMP, Excel.
• Proficiency with various MEMS characterization techniques including: Electrical (Oscilloscope, LCR, VNA, Signal Generator, Power Supplies), Mechanical (AFM, Nanoindentation), Software (Labview), Optical (Microscope, White Light Interferometer, Laser Doppler Vibrometer).
• Proficiency with wafer probe and package level characterization.
• Knowledge of RF design and design tools such as HFSS, ADS, MWO.
• Knowledge of RF MEMS materials selection for performance and process integration capacitors and switches in a CMOS foundry environment.
• Knowledge of applying failure analysis techniques such as Imaging Techniques (SEM, FIB, AFM, Thermal, CSAM) or surface/volume analytical techniques (Raman, FTIR, TOF-SIMS, Auger, EDS, ESCA, XPS).
• Knowledge with FMEA and 8D Problem solving methodologies.
• Strong written and oral communication skills

REQUIRED EXPERIENCE:

• S. in Electrical, Mechanical Engineering, or Physics. A Ph. D. is preferred
• 3+ years MEMS Design and Characterization experience, especially RF MEMS + CMOS
• Experience with MEMS Characterization Techniques

The Senior RF Development Engineer will lead the development of advanced RF products utilizing our state-of-the-art MEMS technology.  Key product applications include high performance antenna tuners, dynamic impedance matching networks, broadband programmable filters, and more.  The ideal candidate will be responsible for integrating all aspects of the RF design, including MEMS, CMOS, packaging, and multichip module requirements.

This is a critical role within the Product Development Team.  The Senior RF Development Engineer will work closely with experts across the MEMS Design, CMOS Design, Operations, and Marketing teams.

They will also strongly influence and contribute to our RF MEMS technology development roadmap.

Relevant invention and related patent filings are encouraged and rewarded.

ESSENTIAL RESPONSIBILITIES:

• RF design and integration of MEMS, CMOS, and packaging elements to ensure attainment of overall product performance requirements.
• RF design, development and de-embedding of RF evaluation boards and RF probing systems.
• Detailed simulations, data analysis, and the development of behavioral models.
• Design reviews and associated test plan generation.
• Product definition support, feasibility assessments, and design execution.
• Specification development and RF design guidance for next generation MEMS structures.
• RF test structure development for detailed device testing and extraction of material properties.
• RF test and characterization to guarantee overall performance, reliability, and demonstrate compliance with product specification.
• Work with Operations to ensure an effective and timely release into production.

REQUIRED SKILLS:

• Design and development experience in RF components or RF modules such as antenna tuners, switches, impedance matching, filters, power amplifiers, LNAs, or phase shifters.
• Proficient in RF and EM design and simulation tools such as ADS, HFSS, Cadence and MWO.
• Knowledge of advanced RF packaging technologies such as FCLGA, WLCSP, FI/FO-WLP.
• Proficient in RF measurement and calibration techniques, including S-parameters, noise figure, load pull, Q, harmonics, and intermodulation distortion.
• Proficient in the use of RF test equipment such as a Network Analyzer, Spectrum Analyzer, RF Generator, Power Meter and Oscilloscope.
• PCB design techniques and tools, such as Mentor and Orcad.
• Strong written and oral communication skills

 REQUIRED EXPERIENCE:

• BSEE, MSEE preferred; with RF device, circuit, or system concentration.
• 10+ years in RF product development.
• Experience with Si, SOI, SiGe technology nodes.
• Experience in cellular RF front-end component development is a plus.