{"schemaVersion":"jobsearcher.job.v1","id":"2b4828b9dc55bce91b23bf41","url":"https://jobsearcher.com/jobs/2b4828b9dc55bce91b23bf41","canonicalUrl":"https://jobsearcher.com/jobs/2b4828b9dc55bce91b23bf41","title":"Structural Dynamics Engineer I","description":"Overview As an end-to-end responsive space transportation company, Firefly Aerospace is on a mission to enable our world to launch, land, and operate in space – anywhere, anytime. Our launch vehicles, lunar landers, and orbital vehicles provide government and commercial customers with full mission services from low Earth orbit to the surface of the Moon and beyond. Headquartered in north Austin, Texas, Firefly is looking for passionate, hardworking innovators to join our team and help fuel our successful trajectory into space.\nSummary\nWe are seeking an entry-level Structural Dynamics Engineer to support the analysis, modeling, and verification of launch vehicle dynamic environments. This role focuses on vibration, acoustics, shock, and coupled loads analysis through data processing, analytical derivation, and numerical simulation.\nThe engineer will work closely with senior analysts, test engineers, and design teams to ensure structural integrity and mission success under dynamic launch and flight conditions.\nResponsibilities Dynamic Analysis & Simulation\nPerform structural dynamic analyses including: Modal analysis\nFrequency response\nRandom vibration\nShock response\nVibro-acoustic loading\n\nDevelop and maintain finite element models (FEM) for launch vehicle structures and subsystems.\nSupport coupled loads and transient dynamic analyses.\nCorrelate analytical models with test and flight data.\nData Processing & Interpretation\nProcess and analyze vibration, acoustic, and structural response data from: Environmental tests\nGround tests\nFlight instrumentation\n\nDevelop scripts and tools for automated data reduction and visualization.\nGenerate PSDs, FRFs, transmissibility, and response spectra.\nIdentify trends, anomalies, and correlation gaps.\nAssist in deriving and validating: Random vibration environments\nAcoustic environments\nShock environments\nSine vibration profiles\n\nSupport the development of qualification and acceptance test levels.\nDocument assumptions, margins, and uncertainties.\nVerification & Test Support\nSupport dynamic testing activities including: Modal surveys\nVibration tests\nAcoustic tests\nShock tests\n\nAssist with test planning, instrumentation layouts, and data review.\nParticipate in test execution and post-test analysis.\nTechnical Documentation & Communication\nPrepare technical reports, analysis summaries, and presentations.\nSupport design reviews and verification milestones.\nCommunicate results clearly to multidisciplinary teams.\nQualifications Required\nBachelor’s degree in Mechanical Engineering, Aerospace Engineering, Structural Engineering, Physics, Math, or related field.\n0-2 years of experience in role/industry\nNastran/Femap\nMATLAB\nFundamental understanding of: Structural dynamics\nVibrations\nModal analysis\nAcoustics\n\nFamiliarity with signal processing concepts: FFT\nPSD\nFiltering\nWindowing\n\nStrong analytical and problem-solving ability\nGood technical writing skills\nAbility to work in a team environment\nWillingness to learn and take technical ownership\nMaster’s degree in Structural Dynamics, Aerospace, or related field\nInternship or project experience in: Launch vehicles\nSpacecraft\n\nAerospace structures\nExposure to: Vibro-acoustics\nCoupled loads analysis\nPyyeti, PyNastran, IMAT, or similar tools\nTest correlation\n\nExperience with Git or version control\nHigh attention to detail\nStrong work ethic\nCuriosity and technical initiative\nComfort working in fast-paced development environments\nInterest in spaceflight and launch systems\n\n#J-18808-Ljbffr","company":"Firefly Aerospace","rawCompany":"firefly aerospace","city":"Austin","state":"TX","isRemote":false,"isActive":true,"createdAt":"2026-06-17T03:38:20.193Z","occupations":[{"code":"17-2011.00","title":"Aerospace Engineers","slug":"aerospace-engineers"},{"code":"17-2141.00","title":"Mechanical Engineers","slug":"mechanical-engineers"},{"code":"17-2199.00","title":"Engineers, All Other","slug":"engineers-all-other"}],"industries":[{"code":"541330","title":"Engineering Services","slug":"engineering-services"},{"code":"336414","title":"Guided Missile and Space Vehicle Manufacturing","slug":"guided-missile-and-space-vehicle-manufacturing"},{"code":"336419","title":"Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing","slug":"other-guided-missile-and-space-vehicle-parts-and-auxiliary-equipment-manufacturing"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Structural Dynamics Engineer I","description":"Overview As an end-to-end responsive space transportation company, Firefly Aerospace is on a mission to enable our world to launch, land, and operate in space – anywhere, anytime. Our launch vehicles, lunar landers, and orbital vehicles provide government and commercial customers with full mission services from low Earth orbit to the surface of the Moon and beyond. Headquartered in north Austin, Texas, Firefly is looking for passionate, hardworking innovators to join our team and help fuel our successful trajectory into space.\nSummary\nWe are seeking an entry-level Structural Dynamics Engineer to support the analysis, modeling, and verification of launch vehicle dynamic environments. This role focuses on vibration, acoustics, shock, and coupled loads analysis through data processing, analytical derivation, and numerical simulation.\nThe engineer will work closely with senior analysts, test engineers, and design teams to ensure structural integrity and mission success under dynamic launch and flight conditions.\nResponsibilities Dynamic Analysis & Simulation\nPerform structural dynamic analyses including: Modal analysis\nFrequency response\nRandom vibration\nShock response\nVibro-acoustic loading\n\nDevelop and maintain finite element models (FEM) for launch vehicle structures and subsystems.\nSupport coupled loads and transient dynamic analyses.\nCorrelate analytical models with test and flight data.\nData Processing & Interpretation\nProcess and analyze vibration, acoustic, and structural response data from: Environmental tests\nGround tests\nFlight instrumentation\n\nDevelop scripts and tools for automated data reduction and visualization.\nGenerate PSDs, FRFs, transmissibility, and response spectra.\nIdentify trends, anomalies, and correlation gaps.\nAssist in deriving and validating: Random vibration environments\nAcoustic environments\nShock environments\nSine vibration profiles\n\nSupport the development of qualification and acceptance test levels.\nDocument assumptions, margins, and uncertainties.\nVerification & Test Support\nSupport dynamic testing activities including: Modal surveys\nVibration tests\nAcoustic tests\nShock tests\n\nAssist with test planning, instrumentation layouts, and data review.\nParticipate in test execution and post-test analysis.\nTechnical Documentation & Communication\nPrepare technical reports, analysis summaries, and presentations.\nSupport design reviews and verification milestones.\nCommunicate results clearly to multidisciplinary teams.\nQualifications Required\nBachelor’s degree in Mechanical Engineering, Aerospace Engineering, Structural Engineering, Physics, Math, or related field.\n0-2 years of experience in role/industry\nNastran/Femap\nMATLAB\nFundamental understanding of: Structural dynamics\nVibrations\nModal analysis\nAcoustics\n\nFamiliarity with signal processing concepts: FFT\nPSD\nFiltering\nWindowing\n\nStrong analytical and problem-solving ability\nGood technical writing skills\nAbility to work in a team environment\nWillingness to learn and take technical ownership\nMaster’s degree in Structural Dynamics, Aerospace, or related field\nInternship or project experience in: Launch vehicles\nSpacecraft\n\nAerospace structures\nExposure to: Vibro-acoustics\nCoupled loads analysis\nPyyeti, PyNastran, IMAT, or similar tools\nTest correlation\n\nExperience with Git or version control\nHigh attention to detail\nStrong work ethic\nCuriosity and technical initiative\nComfort working in fast-paced development environments\nInterest in spaceflight and launch systems\n\n#J-18808-Ljbffr","datePosted":"2026-06-17T03:38:20.193Z","dateModified":"2026-06-17T03:38:20.193Z","hiringOrganization":{"@type":"Organization","name":"Firefly Aerospace","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Austin","addressRegion":"TX","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"2b4828b9dc55bce91b23bf41"},"url":"https://jobsearcher.com/jobs/2b4828b9dc55bce91b23bf41"}}