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Shield AI is a venture-backed defense-tech company with the mission of protecting service members and civilians with intelligent systems. Its products include Hivemind autonomy software, V-BAT and X-BAT aircraft, and Aechelon simulation and synthetic reality technologies. With offices and facilities across the U.S., Europe, the Middle East, and Asia-Pacific, Shield AI's technology actively supports operations worldwide. For more information, visit www.shield.ai . Follow Shield AI on LinkedIn , X , Instagram , and YouTube . Job Description: Do you enjoy working in a dynamic lab environment and contributing to hardware that can directly impact the safety of service members and civilians? Shield AI is looking for a hands-on Vibration Test Engineer to help validate the next generation of intelligent autonomous systems through rigorous dynamic testing. The Mechanical Test team's mission is to inform and improve Shield AI hardware design by quantifying product performance through custom measurement systems, specialized testing, and rigorous analysis. As a Vibration Test Engineer, you will serve as the team's subject matter expert in vibration and structural dynamics, leading efforts to characterize hardware response, validate analytical models, and ensure products can withstand demanding operational environments. We are looking for candidates who are passionate about structural dynamics, curious about how complex systems behave under dynamic loading, and excited to solve challenging engineering problems in a fast-paced, collaborative environment. You will partner closely with Mechanical Design, Analysis, Flight Test, Manufacturing, and Reliability teams to develop test strategies, investigate failures, and improve hardware performance throughout the product lifecycle. Success in this role requires deep technical expertise in vibration testing, strong analytical thinking, exceptional organization, and the ability to communicate complex technical findings to cross-functional engineering teams. What you'll do: * Lead the planning, execution, and analysis of vibration test programs supporting product development, qualification, and flight readiness. * Design, build, and deploy instrumented test setups for vibration, modal, structural, and environmental testing using industry-standard measurement equipment. * Execute shaker table testing including sine sweep, random vibration, sine-on-random, resonance search, dwell, and shock testing. * Perform experimental modal analysis to characterize structural dynamics and validate finite element models. * Develop fixture designs and test methodologies that accurately replicate operational loading conditions while minimizing fixture influence. * Instrument hardware using accelerometers, strain gauges, force sensors, displacement sensors, and other dynamic measurement systems. * Analyze vibration response data using frequency-domain and time-domain techniques to identify resonances, mode shapes, damping characteristics, and potential failure mechanisms. * Partner closely with Mechanical Design and Structural Analysis engineers to correlate test results with analytical models and improve future designs. * Investigate vibration-related hardware issues, perform root cause analysis, and recommend design improvements. * Develop comprehensive test plans, procedures, reports, and technical presentations that clearly communicate results and engineering recommendations. * Maintain vibration testing equipment, data acquisition systems, instrumentation, and calibration records. * Support environmental qualification testing and other mechanical test activities as needed. Required qualifications: * B.S. in Mechanical Engineering, Aerospace Engineering, Structural Engineering, or a related technical discipline. * Hands-on experience performing vibration testing of mechanical or aerospace systems through industry, research, internships, or competitive engineering projects. * Experience operating electrodynamic shaker systems and associated vibration control software. * Experience with accelerometers, signal conditioning, data acquisition systems, and dynamic instrumentation. * Working knowledge of structural dynamics, vibration theory, modal analysis, and frequency response functions. * Experience performing or supporting experimental modal testing and finite element model correlation. * Familiarity with MIL-STD-810 vibration and shock testing or equivalent aerospace qualification standards. * Experience interpreting vibration data and identifying resonances, structural response characteristics, and failure modes. * Working knowledge of CAD software (NX preferred). * Strong written and verbal communication skills with the ability to communicate technical findings to multidisciplinary teams. * Demonstrated ability to take ownership of technical work, drive projects independently, and deliver high-quality results in a fast-paced engineering environment. * Ability to obtain a Secret//Special Access Required (S//SAR) security clearance is desired. Preferred qualifications: * M.S. or Ph.D. in Mechanical Engineering, Aerospace Engineering, Structural Engineering, or a related technical field with an emphasis in structural dynamics or vibration. * Experience designing vibration test fixtures and specialized dynamic test equipment. * Experience using vibration control and data acquisition platforms such as Data Physics, Brüel & Kjær (HBK), Crystal Instruments, m+p International, LMS/Simcenter Testlab, or similar systems. * Experience with finite element analysis software (ANSYS, Abaqus, Nastran, or equivalent) and test-analysis correlation. * Experience with strain gauge testing, digital image correlation (DIC), or other advanced structural measurement techniques. * Experience supporting aerospace, defense, robotics, UAV, or other high-reliability hardware development programs. * Experience with Design of Experiments (DOE), root cause analysis, and failure investigation. #LI-MS1 #LC Full-time regular employee offer package: Pay within range listed + Bonus + Benefits + Equity Temporary employee offer package: Pay within range listed above + temporary benefits package (applicable after 60 days of employment) Salary compensation is influenced by a wide array of factors including but not limited to skill set, level of experience, licenses and certifications, and specific work location. All offers are contingent on a cleared background and possible reference check. Military fellows and part-time employees are not eligible for benefits. Please speak to your talent acquisition representative for more information. ### Shield AI is proud to be an equal opportunity workplace and is an affirmative action employer. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, marital status, disability, gender identity or Veteran status. If you have a disability or special need that requires accommodation, please let us know.