{"id":2275520,"url":"https://alion.io/job/knorr-bremse-intern-test-development-engineering","title":"Intern, Test Development Engineering","company":{"id":1814223,"name":"Knorr-Bremse","domain":"knorr-bremse.com","url":"https://alion.io/company/knorr-bremse-com","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SuccessFactors","truth_index":null},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"intern","employment_type":"internship","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Grain Valley, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":36000,"max_usd":65000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":15},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-09-22T00:00:00Z","employer_posted_date":"2026-09-22","last_verified_at":"2026-10-12T04:43:35Z","board_verified":true,"closed_at":null,"days_open":20,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":20},"description":"Intern, Test Development Engineering\nLOCATION: Grain Valley / Missouri (US-MO), United States | BRAND: KBSignaling | REQUISITION ID: 11541 |JOB GRADE: 0 |\nON-SITE/REMOTE: On-site\nKB Signaling delivers unparalleled end-to-end wayside and onboard conventional signaling Control, Command, and Signaling (CCS) platforms and solutions. A trailblazer, we are driven to provide the best solutions for improved safety, performance, and lower overall operating cost for today’s transit and freight railway systems and operators in North America and beyond. Our team is fueled by innovation and grounded in solid values, like giving back to the communities where we do business and embracing sustainability to help protect our planet. KB Signaling is part of a global, high-tech company that will challenge you and help you grow. Discover your potential.\nJOB DESCRIPTION:\nTest Hardware Engineer Intern - Production Test Systems (Switch Matrix Design)\nPosition Title: Test Hardware Engineer Intern\nDepartment: Production Test Development\nPosition Summary\nWe are seeking a motivated Test Hardware Engineer Intern to support the design and development of a custom switch matrix used in automated production test systems. This role provides hands-on experience with analog and digital circuit design, relay and switching technologies, PCB development, and test automation hardware. The intern will work closely with various engineering teams to create a reliable, scalable switching architecture capable of routing precision measurement and stimulus signals during manufacturing and validation testing.\nKey Responsibilities\nDesign and develop a custom switch matrix subsystem for use in automated production test equipment.\nEvaluate and select switching technologies including electromechanical relays, reed relays, solid-state relays, multiplexers, and analog switches.\nCreate schematics and PCB layouts.\nDevelop signal routing architectures for voltage, current, resistance, and communication interface testing.\nPerform circuit simulations and analysis to verify signal integrity, switching performance, leakage current, contact resistance, and isolation specifications.\nAssist with prototype assembly, bring-up, troubleshooting, and validation testing.\nDesign relay driver circuits, protection circuitry, and interface logic for microcontroller or FPGA-based control systems.\nConduct bench testing using oscilloscopes, digital multimeters, source measure units (SMUs), LCR meters, and other laboratory equipment.\nDocument hardware designs, test procedures, design reviews, and validation results.\nCollaborate with manufacturing and test engineering teams to ensure the switch matrix meets production throughput, reliability, and maintainability requirements.\nSupport debugging and root-cause analysis of prototype and production hardware issues.\nRequired Qualifications\nCurrently pursuing a Bachelor's or Master's degree in Electrical Engineering, Computer Engineering, or a related field.\nCompleted coursework in circuit analysis, electronics, and digital systems.\nUnderstanding of analog and digital circuit fundamentals.\nFamiliarity with schematic capture and PCB design tools.\nExperience using common laboratory test equipment.\nStrong analytical and problem-solving skills.\nAbility to work independently while collaborating effectively within a multidisciplinary engineering team.\nPreferred Qualifications\nExperience with PCB design and fabrication processes.\nKnowledge of relay switching systems, analog multiplexers, or automated test equipment (ATE).\nFamiliarity with signal integrity concepts, low-level measurements, and precision instrumentation.\nExperience with embedded systems, microcontrollers, I2C, SPI, UART, or GPIO interfaces.\nDesired Technical Skills\nAnalog circuit design\nRelay and switch matrix architecture\nPCB schematic capture and layout\nSignal integrity analysis\nHardware debugging and validation\nTest fixture development\nEmbedded hardware interfaces\nTechnical documentation\nWhat You Will Learn\nEnd-to-end hardware development from concept through validation.\nProduction test system architecture and automated test methodologies.\nHigh-density switching systems for precision electrical measurements.\nReal-world tradeoffs between performance, cost, reliability, and manufacturability.\nExample Internship Deliverable\nBy the end of the internship, the selected candidate will have designed, prototyped, and validated a custom switch matrix design capable of automatically routing measurement and stimulus signals between production test instruments and multiple device-under-test (DUT) interfaces.\nPay 31$-32$\nWhat does KB Signaling have to offer you?\n- Competitive Health Benefits, including Medical, Prescription, Dental, Vision and Virtual visits\n- Company-paid Basic Life and Accidental Death & Dismemberment Insurance\n- Company-paid Short-Term Disability Coverage\n- Voluntary life, Disability, and other Supplemental coverages\n- Identity Theft and Legal Protection benefits\n- Health and Dependent Care Flexible Spending Accounts\n- Health Savings Accounts\n- Generous 401(k) plan\n- Personal Paid Time Off\n- Company-paid holidays\nKB Signaling Inc. is an Equal Employment Opportunity (EEO) employer. 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