{"schemaVersion":"jobsearcher.job.v1","id":"ed445c03504eb593e6a43e5c","url":"https://jobsearcher.com/jobs/ed445c03504eb593e6a43e5c","canonicalUrl":"https://jobsearcher.com/jobs/ed445c03504eb593e6a43e5c","title":"Senior Simulation Engineer","description":"Overview\nIn this role, you will build and maintain closed-loop spacecraft test platforms to validate satellite bus performance. You’ll shape simulation environments (6DOF, SITL, HITL) and work with cross-functional teams to ensure reliable operation of Apex’s spacecraft platforms. Your work will drive robust testing, modeling, and data-driven improvements that underpin mission success. This is a hands-on, fast-paced role with a clear impact on scaling aerospace simulations and enabling reliable space systems.\n\nCompensation / Benefitsequity in Apex100% medical, dental, and vision for you and dependentslife insurance at no costPTO 15–20 days + 10 holidays401(k) with employer matchpar ental leave and childcare reimbursement\nResponsibilitiesOwn closed-loop spacecraft simulation platforms from design to deploymentDevelop and maintain core simulation capabilities (scheduling, data routing, diagnostics, configuration, Monte Carlo)Develop and maintain simulation models, emulators, and hardware/software interfaces with units under testCollaborate with cross-functional teams to define test requirements and execute testsAnalyze test data, identify trends, and generate insights for improvementsDevelop tools to automate simulation workflows, data analysis, and test reportingDebug complex closed-loop interactions between units under test and simulationHelp shape long-term technical architecture and roadmap for simulation platforms\nKey requirements8+ years of experience developing closed-loop simulation tools (6DOF, SITL, PITL, HITL)Strong proficiency in C/C++, Rust, PythonComfortable in Linux environmentsExperience with testing frameworks, Docker, CI/CD pipelines, and agile developmentExperience designing, implementing, and validating physics-based simulation modelsExperience emulating and integrating virtual sensors/actuators/test equipment with interfacesExperience with data analysis, automation tools, and pipeline developmentStrong analytical and problem-solving skills; excellent communication; independent and fast-paced deliverycommunicationindependenceattention to detailC/C++PythonRust","company":"Apex Technology","rawCompany":"apex technology","city":"Long Beach","state":"CA","isRemote":false,"isActive":false,"createdAt":"2026-09-15T04:22:49.093Z","occupations":[{"code":"17-2011.00","title":"Aerospace Engineers","slug":"aerospace-engineers"},{"code":"17-3021.00","title":"Aerospace Engineering and Operations Technologists and Technicians","slug":"aerospace-engineering-and-operations-technologists-and-technicians"},{"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":"927110","title":"Space Research and Technology","slug":"space-research-and-technology"},{"code":"541715","title":"Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)","slug":"research-and-development-in-the-physical-engineering-and-life-sciences-except-nanotechnology-and-biotechnology"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Senior Simulation Engineer","description":"Overview\nIn this role, you will build and maintain closed-loop spacecraft test platforms to validate satellite bus performance. You’ll shape simulation environments (6DOF, SITL, HITL) and work with cross-functional teams to ensure reliable operation of Apex’s spacecraft platforms. Your work will drive robust testing, modeling, and data-driven improvements that underpin mission success. This is a hands-on, fast-paced role with a clear impact on scaling aerospace simulations and enabling reliable space systems.\n\nCompensation / Benefitsequity in Apex100% medical, dental, and vision for you and dependentslife insurance at no costPTO 15–20 days + 10 holidays401(k) with employer matchpar ental leave and childcare reimbursement\nResponsibilitiesOwn closed-loop spacecraft simulation platforms from design to deploymentDevelop and maintain core simulation capabilities (scheduling, data routing, diagnostics, configuration, Monte Carlo)Develop and maintain simulation models, emulators, and hardware/software interfaces with units under testCollaborate with cross-functional teams to define test requirements and execute testsAnalyze test data, identify trends, and generate insights for improvementsDevelop tools to automate simulation workflows, data analysis, and test reportingDebug complex closed-loop interactions between units under test and simulationHelp shape long-term technical architecture and roadmap for simulation platforms\nKey requirements8+ years of experience developing closed-loop simulation tools (6DOF, SITL, PITL, HITL)Strong proficiency in C/C++, Rust, PythonComfortable in Linux environmentsExperience with testing frameworks, Docker, CI/CD pipelines, and agile developmentExperience designing, implementing, and validating physics-based simulation modelsExperience emulating and integrating virtual sensors/actuators/test equipment with interfacesExperience with data analysis, automation tools, and pipeline developmentStrong analytical and problem-solving skills; excellent communication; independent and fast-paced deliverycommunicationindependenceattention to detailC/C++PythonRust","datePosted":"2026-09-15T04:22:49.093Z","dateModified":"2026-09-15T04:22:49.093Z","hiringOrganization":{"@type":"Organization","name":"Apex Technology","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Long Beach","addressRegion":"CA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"ed445c03504eb593e6a43e5c"},"url":"https://jobsearcher.com/jobs/ed445c03504eb593e6a43e5c"}}