{"schemaVersion":"jobsearcher.job.v1","id":"14aeb7bd8be3495f5f2fb130","url":"https://jobsearcher.com/jobs/14aeb7bd8be3495f5f2fb130","canonicalUrl":"https://jobsearcher.com/jobs/14aeb7bd8be3495f5f2fb130","title":"Principal Software Engineer for Integration & Test","description":"About the Team:\nThe Real-time Architectures, Integration, and Demonstration (RAID) Group focuses on transition of algorithms from concept to real-time software, providing open architecture expertise, and facilitating integration of capabilities for experimentation, test, and deployment.\nThe Role:\nAs a Principal Software Engineer, you will lead technical teams developing real-time software for advanced RF sensor systems. You will architect software solutions compliant with open architecture standards, lead the transition of algorithms from concept to real-time implementation, and mentor junior engineers.\nWhat you will do:\nLead technical teams in architecting, developing, and deploying real-time RF sensor software derived from diverse sources\nTransition advanced algorithms from MATLAB/Python prototypes to optimized production C/C++ implementations within open architecture frameworks\nOptimize software performance for real-time, resource-constrained systems with strict latency requirements\nArchitect communication infrastructure and data flows for distributed processing systems\nLead end-to-end open system integration efforts including hardware-in-the-loop testing, ensuring seamless integration across distributed architectures, external systems, and hardware platforms\nConduct design reviews, code reviews, and technical risk assessments and ensure software compliance with open architecture standards and frameworks\nMentor and provide technical guidance to junior and mid-level engineers\nWrite technical reports, create briefings, and present results to sponsors and senior management\nInterface with customers, program managers, and stakeholders to define technical requirements\nLead proposal development efforts including technical approach definition, cost estimation, and white paper development\nCollaborate with algorithm developers, systems engineers, RF hardware engineers, and integration teams across programs\nStay current with emerging technologies and best practices in real-time software development\nSupport approximately 20% travel for customer meetings, integration events, and field demonstrations\nWho you are:\nActive clearance at the Secret level with ability to obtain and maintain a Top Secret security clearance, for which U.S. citizenship is needed by the US government\nBS, MS, or PhD in Computer Science, Computer Engineering, Electrical Engineering or a related field with a minimum of 5-10+ years of relevant work experience depending on degree (BS +10 years, MS +8 years, PhD +5 years)\nExperience in two or more of the following areas:\nProfessional software development, C++ for high-performance real-time applications, real-time software for signal processing or sensing applications, Architecture development, leading complex software development efforts, open systems architecture integration, hardware / software integration, proposal leadership\nEven Better:\nActive Top Secret Security Clearance (TS/SCI preferred)\nStrong testing mindset with experience in unit testing, integration testing, and continuous testing frameworks\nExperience with:\nMultithreaded programming, distributed systems, performance optimization\nReal-time constraints, latency budgets, and deterministic behavior\nRF signal processing concepts\nGPU programming and optimization (CUDA, OpenCL)\nContainerization, CI/CD pipelines, and DevOps practices\nLinux and embedded systems development\nMATLAB and/or Python for algorithm prototyping\nJoin us and be part of a team that's making an impact at the forefront of technology and innovation. Come be part of our mission to drive innovation and make a difference in the world.\nPay Information\nFull-Time Salary Range: $206,000 - $284,000\nThe salary range listed is based on external market data. Offers are based on factors, such as but not limited to, the candidate's experience, education, training, key skills/critical skills, security clearances, and prevailing market and business conditions.\nSTR is a growing technology company with locations near Boston, MA, Arlington, VA, near Dayton, OH, Melbourne, FL, and Carlsbad, CA. We specialize in advanced research and development for defense, intelligence, and national security in: cyber; next generation sensors, radar, sonar, communications, and electronic warfare; and artificial intelligence algorithms and analytics to make sense of the complexity that is exploding around us.\nSTR is committed to creating a collaborative learning environment that supports deep technical understanding and recognizes the contributions and achievements of all team members. Our work is challenging, and we go home at night knowing that we pushed the envelope of technology and made the world safer.\nSTR is not just any company. Our people, culture, and attitude along with their unique set of skills, experiences, and perspectives put us on a trajectory to change the world. We can't do it alone, though - we need fellow trailblazers. If you are one, join our team and help to keep our society safe! Visit us at www.str.us for more info.\n\nSTR is an equal opportunity employer. We are fully dedicated to hiring the most qualified candidate regardless of race, color, religion, sex (including gender identity, sexual orientation and pregnancy), marital status, national origin, age, veteran status, disability, genetic information or any other characteristic protected by federal, state or local laws.\nIf you need a reasonable accommodation for any portion of the employment process, email us at appassist@str.us and provide your contact info.\nPursuant to applicable federal law and regulations, positions at STR require employees to obtain national security clearances and satisfy the requirements for compliance with export control and other applicable laws.","company":"Str","rawCompany":"str","city":"Arlington","state":"VA","isRemote":false,"isActive":false,"createdAt":"2026-04-12T19:46:15.565Z","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":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Principal Software Engineer for Integration & Test","description":"About the Team:\nThe Real-time Architectures, Integration, and Demonstration (RAID) Group focuses on transition of algorithms from concept to real-time software, providing open architecture expertise, and facilitating integration of capabilities for experimentation, test, and deployment.\nThe Role:\nAs a Principal Software Engineer, you will lead technical teams developing real-time software for advanced RF sensor systems. You will architect software solutions compliant with open architecture standards, lead the transition of algorithms from concept to real-time implementation, and mentor junior engineers.\nWhat you will do:\nLead technical teams in architecting, developing, and deploying real-time RF sensor software derived from diverse sources\nTransition advanced algorithms from MATLAB/Python prototypes to optimized production C/C++ implementations within open architecture frameworks\nOptimize software performance for real-time, resource-constrained systems with strict latency requirements\nArchitect communication infrastructure and data flows for distributed processing systems\nLead end-to-end open system integration efforts including hardware-in-the-loop testing, ensuring seamless integration across distributed architectures, external systems, and hardware platforms\nConduct design reviews, code reviews, and technical risk assessments and ensure software compliance with open architecture standards and frameworks\nMentor and provide technical guidance to junior and mid-level engineers\nWrite technical reports, create briefings, and present results to sponsors and senior management\nInterface with customers, program managers, and stakeholders to define technical requirements\nLead proposal development efforts including technical approach definition, cost estimation, and white paper development\nCollaborate with algorithm developers, systems engineers, RF hardware engineers, and integration teams across programs\nStay current with emerging technologies and best practices in real-time software development\nSupport approximately 20% travel for customer meetings, integration events, and field demonstrations\nWho you are:\nActive clearance at the Secret level with ability to obtain and maintain a Top Secret security clearance, for which U.S. citizenship is needed by the US government\nBS, MS, or PhD in Computer Science, Computer Engineering, Electrical Engineering or a related field with a minimum of 5-10+ years of relevant work experience depending on degree (BS +10 years, MS +8 years, PhD +5 years)\nExperience in two or more of the following areas:\nProfessional software development, C++ for high-performance real-time applications, real-time software for signal processing or sensing applications, Architecture development, leading complex software development efforts, open systems architecture integration, hardware / software integration, proposal leadership\nEven Better:\nActive Top Secret Security Clearance (TS/SCI preferred)\nStrong testing mindset with experience in unit testing, integration testing, and continuous testing frameworks\nExperience with:\nMultithreaded programming, distributed systems, performance optimization\nReal-time constraints, latency budgets, and deterministic behavior\nRF signal processing concepts\nGPU programming and optimization (CUDA, OpenCL)\nContainerization, CI/CD pipelines, and DevOps practices\nLinux and embedded systems development\nMATLAB and/or Python for algorithm prototyping\nJoin us and be part of a team that's making an impact at the forefront of technology and innovation. Come be part of our mission to drive innovation and make a difference in the world.\nPay Information\nFull-Time Salary Range: $206,000 - $284,000\nThe salary range listed is based on external market data. Offers are based on factors, such as but not limited to, the candidate's experience, education, training, key skills/critical skills, security clearances, and prevailing market and business conditions.\nSTR is a growing technology company with locations near Boston, MA, Arlington, VA, near Dayton, OH, Melbourne, FL, and Carlsbad, CA. We specialize in advanced research and development for defense, intelligence, and national security in: cyber; next generation sensors, radar, sonar, communications, and electronic warfare; and artificial intelligence algorithms and analytics to make sense of the complexity that is exploding around us.\nSTR is committed to creating a collaborative learning environment that supports deep technical understanding and recognizes the contributions and achievements of all team members. Our work is challenging, and we go home at night knowing that we pushed the envelope of technology and made the world safer.\nSTR is not just any company. Our people, culture, and attitude along with their unique set of skills, experiences, and perspectives put us on a trajectory to change the world. We can't do it alone, though - we need fellow trailblazers. If you are one, join our team and help to keep our society safe! Visit us at www.str.us for more info.\n\nSTR is an equal opportunity employer. We are fully dedicated to hiring the most qualified candidate regardless of race, color, religion, sex (including gender identity, sexual orientation and pregnancy), marital status, national origin, age, veteran status, disability, genetic information or any other characteristic protected by federal, state or local laws.\nIf you need a reasonable accommodation for any portion of the employment process, email us at appassist@str.us and provide your contact info.\nPursuant to applicable federal law and regulations, positions at STR require employees to obtain national security clearances and satisfy the requirements for compliance with export control and other applicable laws.","datePosted":"2026-04-12T19:46:15.565Z","dateModified":"2026-04-12T19:46:15.565Z","hiringOrganization":{"@type":"Organization","name":"Str","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Arlington","addressRegion":"VA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"14aeb7bd8be3495f5f2fb130"},"url":"https://jobsearcher.com/jobs/14aeb7bd8be3495f5f2fb130"}}