Karuna Shivalingappa Nagaral
Specialist MEMS Acoustic Engineer
Dresden,SN
Summary
Skilled MEMS Engineering Specialist focused on maximizing device performance and reliability through effective use of test automation, materials analysis, and data-driven process development abilities. Top-notch communicator with excellent problem-solving, cross-functional collaboration, and technical presentation skills.
Overview
10
10
years of professional experience
7
7
years of post-secondary education
3
3
Languages
Work History
Specialist Acoustic MEMS Engineer
Bosch Sensortec
Dresden
03.2022 - Current
- Independently led pre-development and experimental characterization of CMOS-based MEMS microspeakers, including wire bond-level chip testing, driving improvements in performance and reliability
- Designed, developed, and automated chip-level test sequences (electrical, acoustical, environmental) across multiple sites using Python, Git, and Visual Basic, enhancing test efficiency and reliability.
- Conducted materials research on corrosion effects in oxide materials, supporting process development and reliability.
- Collaborated with cross-functional teams (design, test, reliability) to translate research findings into practical packaging solutions.
- Developed and implemented lab infrastructure and leveraged advanced analytical characterization techniques.
- Proficient in backend data analysis and reporting with SQL, Hadoop, and Tableau.
- Experienced in structured methodology for process development, technical communication, and presenting findings to multidisciplinary teams.
Master Thesis
Technische Universität Chemnitz
Chemnitz
08.2021 - 02.2022
- Designed printed circuitry layouts connecting Infineon microchips with supercapacitors and NFC antennas in KiCad.
- Optimized printing processes for silver antennas, layouts, and supercapacitors using screen and flexo printing.
- Analyzed flexible substrates and inks to improve screen printing yield.
- Assessed antenna parameters (return loss, impedance) to enhance performance.
- Characterized RF Ag antennas’ surface roughness and inductance via laser microscopy.
- Developed printed supercapacitors with phosphoric acid/PVA electrolytes and graphite/activated charcoal electrodes.
- Calibrated supercapacitor parameters (capacitance, resistance, IR drop) using IviumSoft.
Student Researcher
Fraunhofer-Gesellschaft IPMS
Cottbus
02.2021 - 01.2022
- Designed SMS and woodpile structures using NanoScribe software and 3D printer, optimizing nano-structure development and characterization.
- Developed Python-based tilt correction mechanism and GUI for Demonstrator project, managing material procurement and cleanroom work.
Software Developer
Tata Consultancy Services
Bengaluru
12.2015 - 08.2018
- Tools: ER Design for the data modeling, Oracle 11g, Python, Reporting tool SAP BO.
- Development of the Data base for a multinational company using Oracle 11g and developing the database structure and developing reports using the Reporting tool SAP BO.
- Lead a team of 3 members, where I handled the responsibilities up to mark to provide the client with good user experience.
Education
Masters of Science - Micro and Nano Systems
Technische Universität Chemnitz
01.2018 - 01.2021
Bachelors - Electrical and Electronics Engineering
MSS KLE Engineering and Technical University
08.2011 - 06.2015
Skills
MEMS pre-development & wire bond-level characterization
Test automation: Python, Visual Basic, Git, Matlab
Root cause analysis & process development
Electrical, acoustical, reliability testing
Data analysis & reporting: SQL, Hadoop, Tableau
Lab infrastructure development
Cross-functional collaboration
Experimental design & debugging
Personal Information
Date of Birth: 07/04/1993
Communication Skills
- Effective communicator collaborating with teams at Bosch Sensortec, TCS, and Fraunhofer IPMS
- Skilled in delivering clear technical presentations and creating technical content
- Led a team of four in a database development project at TCS
Timeline
Specialist Acoustic MEMS Engineer
Bosch Sensortec
03.2022 - Current
Master Thesis
Technische Universität Chemnitz
08.2021 - 02.2022
Student Researcher
Fraunhofer-Gesellschaft IPMS
02.2021 - 01.2022
Masters of Science - Micro and Nano Systems
Technische Universität Chemnitz
01.2018 - 01.2021
Software Developer
Tata Consultancy Services
12.2015 - 08.2018
Bachelors - Electrical and Electronics Engineering
MSS KLE Engineering and Technical University
08.2011 - 06.2015