{"schemaVersion":"jobsearcher.job.v1","id":"057fe4b7d09263f3c9204596","url":"https://jobsearcher.com/jobs/057fe4b7d09263f3c9204596","canonicalUrl":"https://jobsearcher.com/jobs/057fe4b7d09263f3c9204596","title":"Senior Software Engineer – Modeling and Simulation","description":"#LI-DNI\nSenior Software Engineer - Modeling and Simulation\nLocation: Onsite in Columbia, South Carolina. Or remote only in the following locations: Fayetteville, Arkansas; Washington, DC; or Philadelphia, PA.\n\nWhat we do\nInteger Technologies is an applied research and product development company founded by scientists and engineers with a passion for protecting freedom with innovation. We perform R&D on next-generation systems and technologies for the Department of Defense and other U.S. Government agencies. We are hardware and software developers with experience transforming research into fieldable technology. Our core portfolio of research includes projects in powerenergy systems, unmanned systems (with an emphasis on maritime systems), digital engineering, cyber security, and advanced manufacturing. Our mission is to create a safer world by translating scientific discoveries into reliable products that address urgent national security needs... at the speed of relevance.\nCompany Benefits\nBase salaries which exceed localnational industry averages.\nYear-end performance-based bonuses.\n401(k) with company matching that vest immediately.\nInteger fully covers medical, prescription, vision, and dental insurance costs for the employee and dependents. Meaning Integer standard plan pays 100% of health insurance premiums for your entire family from a well-known national insurer, saving its employee's thousands of dollars annually.\nRelocation assistance available.\nPaid vacation, sick leave, and holidays.\nPaid bereavement and parental leave.\nHybrid schedule: Mondays and Fridays are optional to work from home or in the office.\nCompany Perks\nStartup culture with the stability of a large company. Integer's business plan has years of time phased contracted work, alleviating the would-be risk from a traditional small company.\nDirect access to company leadership, prioritization of people over process, and a stellar team with a shared desire for personal and professional growth.\nFriendly atmosphere where people enjoy not only their work and what they're creating but enjoy helping each other as well.\nBottomless Coffee\nAbout the Role\nInteger Technologies is seeking a Senior Software Engineer reporting to the Digital Twin and Controls Engineering Manager within the Digital Engineering Division. This role will implement the research and development of novel approaches for representing machinery system performance as part of a larger effort to improve the performance and cybersecurity of machinery controls for defense applications.\nInteger's products use digital engineering tools to support decision-making and optimization of large and complex integrated defense machinery systems. The Digital Twin and Controls team is focused on building digital twin-based controls platforms for advanced machinery applications. The goals of these controls platforms are optimizing system performance, improving system resilience, and reducing the cognitive burden of the users.\nThis role will extend the development of the models and simulation frameworks to support the improvement of the performance and cyber-physical resilience of advanced digital twin controls systems and will require a balance of software engineering, cybersecurity, and multi-physics modeling and simulation of machinery systems.\nObjectives of this role:\nAnalyze technical needs for digital twin control systems, elicit actionable system requirements and develop robust software focusing on emulating physical systems and simulating notional machinery.\nCreate scalable software platforms and applications, as well as efficient networking solutions, that are unit tested, code reviewed, and checked regularly for continuous integration.\nIdentify and resolve issues in hardware and software systems, collaborating with cross-functional teams as needed.\nResponsibilities\nDevelop multi-physics computer models that accurately represent real-world systems\nApply physics-based and data-driven modeling techniques\nIntegrate models into full digital twin workflows for analysis and prediction\nArchitect scalable software frameworks that support digital twin functions\nCollaborate using version control workflows with Git across multidisciplinary teams\nEnsure smooth integration with live data streams from physical assets, sensors, or emulated equipment\nIntegrate models with analysis workflows to support real-time and faster-than-real-time decision making\nOptimize trade-offs between simulation speed, accuracy, and system resource constraints\nConduct research on cutting-edge engineering topics where no current solutions exist\nDocument findings in a clear, accessible format for both technical and non-technical audiences\nWork with teams of engineers and subject-matter experts on complex systems\nDemonstrate a growth mindset, continuously expanding technical and domain-specific skills\nRemain current with advancements in digital twin technologies and modeling tools\nExhibit organization and detail orientation while managing complex tasks\n\nRequired Qualifications\nMust be a U.S. Citizen with the ability to obtain and maintain a U.S. DoD Secret Clearance\nBachelor's degree in software engineering, electrical engineering, mechanical engineering, computer science, or a related technical discipline\n5+ years of professional software engineering experience-ideally building control systems, digital twins, or embedded applications\nProficiency working with computer modeling and simulation environments (e.g., MATLAB/Simulink, Modelica, or similar) in one of the following domains:\nElectrical Power and Energy Systems\nThermal-Fluid and Cooling Systems\nMachinery and Electromechanical Control Systems\nProficiency in a high-level programming language such as Python, C/C++, Java or others, with experience using scientific computing and numerical libraries.\nExperience with software engineering principles, including object-oriented design, data management, multi-threading/multi-processing, and collaborative source control using Git.\nExperience with debugging and optimizing solver performance, including convergence and stability issues\nExperience writing software to interface with and process data streams from physical hardware, sensors, or network sources.\nExcellent problem-solving skills and attention to detail.\nExcellent communication and teamwork skills to collaborate effectively across departments.\n\nDesired Qualifications\nMasters or PhD in a relevant engineering or computer science discipline.\nProficiency developing software solutions for defense applications.\nProficiency in software engineering principles, including object-oriented design, data management, multi-threading/multi-processing, and collaborative source control using Git.\nExperience with machine learning frameworks (e.g., TensorFlow, PyTorch) or numerical optimization methods.\nExperience with database design and management (e.g., SQL, NoSQL).\nExperience designing software solutions utilizing multiple network communication protocols (e.g., TCP/IP, SSL, TLS, DDS, REST) or hardware interface standards (e.g., CAN bus, Modbus).\nExperience with parallel computing for high-performance simulations\nExperience with real-time simulation platforms (e.g., OpalRT, Typhoon HIL, Speedgoat).\nExperience with software testing methodologies, including unit testing, integration testing, and continuous integration (CI/CD).\nExperience with simulation solver technologies and numerical integration methods.\nExperience with front-end development for data visualization.\n\nScreening questions\nAre you able to gain and obtain a Government Security Clearance; which consists of being a US Citizen?\nAre you currently located or are you willing to explore relocation to Columbia, SC, and be in office on a Hybrid schedule (3 days a week)?\nHow many years of experience do you have in software development?\nHow many years of experience do you have in modeling and simulations development (e.g., physics-based simulations)","company":"Integer Technologies","rawCompany":"integer technologies","city":"Columbia","state":"SC","isRemote":false,"isActive":false,"createdAt":"2026-04-12T21:26:14.337Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"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":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541330","title":"Engineering Services","slug":"engineering-services"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Senior Software Engineer – Modeling and Simulation","description":"#LI-DNI\nSenior Software Engineer - Modeling and Simulation\nLocation: Onsite in Columbia, South Carolina. Or remote only in the following locations: Fayetteville, Arkansas; Washington, DC; or Philadelphia, PA.\n\nWhat we do\nInteger Technologies is an applied research and product development company founded by scientists and engineers with a passion for protecting freedom with innovation. We perform R&D on next-generation systems and technologies for the Department of Defense and other U.S. Government agencies. We are hardware and software developers with experience transforming research into fieldable technology. Our core portfolio of research includes projects in powerenergy systems, unmanned systems (with an emphasis on maritime systems), digital engineering, cyber security, and advanced manufacturing. Our mission is to create a safer world by translating scientific discoveries into reliable products that address urgent national security needs... at the speed of relevance.\nCompany Benefits\nBase salaries which exceed localnational industry averages.\nYear-end performance-based bonuses.\n401(k) with company matching that vest immediately.\nInteger fully covers medical, prescription, vision, and dental insurance costs for the employee and dependents. Meaning Integer standard plan pays 100% of health insurance premiums for your entire family from a well-known national insurer, saving its employee's thousands of dollars annually.\nRelocation assistance available.\nPaid vacation, sick leave, and holidays.\nPaid bereavement and parental leave.\nHybrid schedule: Mondays and Fridays are optional to work from home or in the office.\nCompany Perks\nStartup culture with the stability of a large company. Integer's business plan has years of time phased contracted work, alleviating the would-be risk from a traditional small company.\nDirect access to company leadership, prioritization of people over process, and a stellar team with a shared desire for personal and professional growth.\nFriendly atmosphere where people enjoy not only their work and what they're creating but enjoy helping each other as well.\nBottomless Coffee\nAbout the Role\nInteger Technologies is seeking a Senior Software Engineer reporting to the Digital Twin and Controls Engineering Manager within the Digital Engineering Division. This role will implement the research and development of novel approaches for representing machinery system performance as part of a larger effort to improve the performance and cybersecurity of machinery controls for defense applications.\nInteger's products use digital engineering tools to support decision-making and optimization of large and complex integrated defense machinery systems. The Digital Twin and Controls team is focused on building digital twin-based controls platforms for advanced machinery applications. The goals of these controls platforms are optimizing system performance, improving system resilience, and reducing the cognitive burden of the users.\nThis role will extend the development of the models and simulation frameworks to support the improvement of the performance and cyber-physical resilience of advanced digital twin controls systems and will require a balance of software engineering, cybersecurity, and multi-physics modeling and simulation of machinery systems.\nObjectives of this role:\nAnalyze technical needs for digital twin control systems, elicit actionable system requirements and develop robust software focusing on emulating physical systems and simulating notional machinery.\nCreate scalable software platforms and applications, as well as efficient networking solutions, that are unit tested, code reviewed, and checked regularly for continuous integration.\nIdentify and resolve issues in hardware and software systems, collaborating with cross-functional teams as needed.\nResponsibilities\nDevelop multi-physics computer models that accurately represent real-world systems\nApply physics-based and data-driven modeling techniques\nIntegrate models into full digital twin workflows for analysis and prediction\nArchitect scalable software frameworks that support digital twin functions\nCollaborate using version control workflows with Git across multidisciplinary teams\nEnsure smooth integration with live data streams from physical assets, sensors, or emulated equipment\nIntegrate models with analysis workflows to support real-time and faster-than-real-time decision making\nOptimize trade-offs between simulation speed, accuracy, and system resource constraints\nConduct research on cutting-edge engineering topics where no current solutions exist\nDocument findings in a clear, accessible format for both technical and non-technical audiences\nWork with teams of engineers and subject-matter experts on complex systems\nDemonstrate a growth mindset, continuously expanding technical and domain-specific skills\nRemain current with advancements in digital twin technologies and modeling tools\nExhibit organization and detail orientation while managing complex tasks\n\nRequired Qualifications\nMust be a U.S. Citizen with the ability to obtain and maintain a U.S. DoD Secret Clearance\nBachelor's degree in software engineering, electrical engineering, mechanical engineering, computer science, or a related technical discipline\n5+ years of professional software engineering experience-ideally building control systems, digital twins, or embedded applications\nProficiency working with computer modeling and simulation environments (e.g., MATLAB/Simulink, Modelica, or similar) in one of the following domains:\nElectrical Power and Energy Systems\nThermal-Fluid and Cooling Systems\nMachinery and Electromechanical Control Systems\nProficiency in a high-level programming language such as Python, C/C++, Java or others, with experience using scientific computing and numerical libraries.\nExperience with software engineering principles, including object-oriented design, data management, multi-threading/multi-processing, and collaborative source control using Git.\nExperience with debugging and optimizing solver performance, including convergence and stability issues\nExperience writing software to interface with and process data streams from physical hardware, sensors, or network sources.\nExcellent problem-solving skills and attention to detail.\nExcellent communication and teamwork skills to collaborate effectively across departments.\n\nDesired Qualifications\nMasters or PhD in a relevant engineering or computer science discipline.\nProficiency developing software solutions for defense applications.\nProficiency in software engineering principles, including object-oriented design, data management, multi-threading/multi-processing, and collaborative source control using Git.\nExperience with machine learning frameworks (e.g., TensorFlow, PyTorch) or numerical optimization methods.\nExperience with database design and management (e.g., SQL, NoSQL).\nExperience designing software solutions utilizing multiple network communication protocols (e.g., TCP/IP, SSL, TLS, DDS, REST) or hardware interface standards (e.g., CAN bus, Modbus).\nExperience with parallel computing for high-performance simulations\nExperience with real-time simulation platforms (e.g., OpalRT, Typhoon HIL, Speedgoat).\nExperience with software testing methodologies, including unit testing, integration testing, and continuous integration (CI/CD).\nExperience with simulation solver technologies and numerical integration methods.\nExperience with front-end development for data visualization.\n\nScreening questions\nAre you able to gain and obtain a Government Security Clearance; which consists of being a US Citizen?\nAre you currently located or are you willing to explore relocation to Columbia, SC, and be in office on a Hybrid schedule (3 days a week)?\nHow many years of experience do you have in software development?\nHow many years of experience do you have in modeling and simulations development (e.g., physics-based simulations)","datePosted":"2026-04-12T21:26:14.337Z","dateModified":"2026-04-12T21:26:14.337Z","hiringOrganization":{"@type":"Organization","name":"Integer Technologies","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Columbia","addressRegion":"SC","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"057fe4b7d09263f3c9204596"},"url":"https://jobsearcher.com/jobs/057fe4b7d09263f3c9204596"}}