{"schemaVersion":"jobsearcher.job.v1","id":"68e44b3e6191ddb2a6401087","url":"https://jobsearcher.com/jobs/68e44b3e6191ddb2a6401087","canonicalUrl":"https://jobsearcher.com/jobs/68e44b3e6191ddb2a6401087","title":"Sr Principal Systems Engineer","description":"We're working with a global aerospace and defense technology leader that delivers advanced solutions for customers worldwide, safeguarding nations and deterring aggression.The Role Join a team of engineers and analysts, contributing to vehicle design, system sizing, mission performance analysis, and trajectory optimization Analyze notional missions and hardware, engaging with engineers across disciplines to improve models and understand performance drivers Develop common mission analysis, performance analysis, and mission planning toolsets for a diverse portfolio Utilize grid computing infrastructure to enable generation and analysis of large datasets and produce visualizations of complex systems Coordinate with product line management and customers to develop concepts and mature technologies for new business development and captureWhat You'll Need A STEM degree and a minimum of 10 years of relevant experience Depth in at least one system-level or subsystem-level technical domain (e.g., Guidance, Navigation, and Control, Orbital Mechanics, Mission Planning, Mission Analysis / Performance Analysis, Satellite Technology, Multidisciplinary design, System-of-Systems design) Experience with programming languages such as Python, MATLAB, and/or C++, and familiarity with both Windows and Linux environments Experience in system performance, CONOPS, algorithms and signal processing, and/or modeling and simulation (i.e., 6-DOF) Active Top Secret U.S. government security clearance and U.S. citizenshipWhat's On Offer Join a team dedicated to solving tough, meaningful problems that create a safer, more secure world Opportunities to pursue IRAD funding and author intellectual property disclosures Comprehensive benefits package including medical, dental, vision, life insurance, 401(k) match, and paid time off Annual short-term and/or long-term incentive compensation programsApply via Haystack today!","company":"Haystack","rawCompany":"haystack","city":"Tucson","state":"AZ","isRemote":false,"isActive":false,"createdAt":"2026-06-19T09:03:49.023Z","occupations":[{"code":"17-2011.00","title":"Aerospace Engineers","slug":"aerospace-engineers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"17-2199.00","title":"Engineers, All Other","slug":"engineers-all-other"}],"industries":[{"code":"336414","title":"Guided Missile and Space Vehicle Manufacturing","slug":"guided-missile-and-space-vehicle-manufacturing"},{"code":"541330","title":"Engineering Services","slug":"engineering-services"},{"code":"541512","title":"Computer Systems Design 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development and captureWhat You'll Need A STEM degree and a minimum of 10 years of relevant experience Depth in at least one system-level or subsystem-level technical domain (e.g., Guidance, Navigation, and Control, Orbital Mechanics, Mission Planning, Mission Analysis / Performance Analysis, Satellite Technology, Multidisciplinary design, System-of-Systems design) Experience with programming languages such as Python, MATLAB, and/or C++, and familiarity with both Windows and Linux environments Experience in system performance, CONOPS, algorithms and signal processing, and/or modeling and simulation (i.e., 6-DOF) Active Top Secret U.S. government security clearance and U.S. citizenshipWhat's On Offer Join a team dedicated to solving tough, meaningful problems that create a safer, more secure world Opportunities to pursue IRAD funding and author intellectual property disclosures Comprehensive benefits package including medical, dental, vision, life insurance, 401(k) match, and paid time off Annual short-term and/or long-term incentive compensation programsApply via Haystack today!","datePosted":"2026-06-19T09:03:49.023Z","dateModified":"2026-06-19T09:03:49.023Z","hiringOrganization":{"@type":"Organization","name":"Haystack","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Tucson","addressRegion":"AZ","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"68e44b3e6191ddb2a6401087"},"url":"https://jobsearcher.com/jobs/68e44b3e6191ddb2a6401087"}}