Senior Engineer, MEMS Characterization

Title: Senior Engineer,MEMS CharacterizationDepartment: MEMS EngineeringLocationItasca, IllinoisSUMMARY DESCRIPTION:MEMS Characterization Senior Engineer will work with design, process, and failure analysis engineer on assisting characterization and failure analysis of the MEMS device, while supporting technology development, product qualifications and quality monitoring. Employee will maintain and develop new test solutions, recommend hardware requirements based on existing trends in characterization.ResponsibilitiesDeveloping and maintain MEMS test solutions for production failure analysis, collaborating with design and process engineering to further characterization efforts and drive yield improvementEnsuring hardware and software installations are maintained.Continuous improvement of characterization capabilities collaborating with MEMS development teamPerform microphone, MEMS, assembly failure analysisWork with design and process engineer to define characterization requirements and support execution of the characterization, including submitting work order requests and writing characterization reports.QualificationsMaster of Science/Engineering in Electrical/Mechanical/Material/Physics (or related field) with 2-5 years' experience. PhD is a plusExperience in troubleshooting, debugging and with failure analysis of MEMS sensors is desiredFamiliar with material/device characterization using optical, electrical, mechanical methodsBasic knowledge of acoustics and mechanics is an asset.Must be a team player with good communication skill.Familiar with material/device characterization using optical, electrical, mechanical methodsKnowledge of calibration methodologies and best practicesBasic knowledge of statistical analysis (JMP, MiniTab, R) is an assetReliability testing experience is an assetExperience with electrical test equipment such as parameter analyzer, oscilloscope, probe station, and data acquisition system are desiredExperience with advanced surface science methodologies (SEM, Raman, Auger, FIB, FTIR) an assetHands on experience on developing environmental testing setup and fixtures for sensors under thermal, vibration, and electrical tests is a plusSolid foundation in MEMS microphone acoustics theory, including capacitive transduction principles (Experience analyzing thin-film residual stress, mechanical-electrical sensitivity optimization, damping resistance (Skvor's formula), and high-frequency response/SNR enhancement mechanisms) is a plusProficient in finite element analysis (FEA) tools such as COMSOL Multiphysics or ANSYS for 3D MEMS microphone simulations is a plusUnderstand the principle of dynamic system modeling and proficient in Matlab Simulink and LTSpice is a plusCOMPANY DESCRIPTION:Knowles is a market leader and global provider of advanced micro-acoustic microphones and balanced armature speakers, audio solutions, and high performance capacitors and radio frequency ("RF") filtering products, serving the MedTech, defense, consumer electronics, electric vehicle, industrial, and communications markets. Our focus on the customer, combined with unique technology, proprietary manufacturing techniques, and global operational expertise, enables us to deliver innovative solutions across multiple applications. Knowles, founded in 1946 and headquartered in Itasca, Illinois, has approximately 7,000 employees at facilities located in 13 countries around the world. At Knowles, we are committed to engineering a better tomorrow through the actions we take on a daily basis. We believe that our focus on ethical, socially responsible, and environmentally sustainable behavior guides our decision-making processes and helps keep us accountable. Visit us at We are committed to providing a competitive and fair total compensation package for all employees. One element in our total compensation package is base pay. The base pay is $115,000 - $135,000 per year based on working experience. Individual compensation decisions are based on a number of factors, including but not limited to previous experience and skills acquired prior to joining us, cost of living in the assigned work location, assigned schedule, and salaries of similarly situated peers at the company. It is to be expected that candidates will come to us with different sets of skills and experiences and therefore will be paid at different points in the stated range. We recognize that the person(s) we select for hire may be less experienced or more experienced than the role as posted; if this is the case, any updates to available salary ranges will be communicated with candidates during the recruitment process.EEO-M/F/D/V

Created: 2026-05-09