{"schemaVersion":"jobsearcher.job.v1","id":"76b5412e43235fd5782f7699","url":"https://jobsearcher.com/jobs/76b5412e43235fd5782f7699","canonicalUrl":"https://jobsearcher.com/jobs/76b5412e43235fd5782f7699","title":"Lead Model-Based Systems Engineer","description":"Job Description\n\nSTR is hiring aLead Model-Based Systems Engineer (MBSE)in our Woburn, MA office to work across a broad portfolio of DoD mission areas. The Systems Engineer should have experience architecting systems, working across the Systems Engineering Lifecycle, a deep understanding of Systems Engineering principles, reverse engineering techniques, and the ability to work with complex software systems and the utilization of Digital Engineering/MBSE to accomplish program goals. The candidate will support STR's Systems Development Division to achieve architectural integrity and traceability from requirements analysis through system and software development and production system deployment.\r\nThis position offers the opportunity to work with leading domain experts developing solutions to solve the most challenging national security problems. Our teams consist of motivated individuals with degrees in engineering, computer science, mathematics, physics, and data science. The ideal candidate will be experienced in Systems Engineering processes and techniques, Modeling and Simulation, software-based systems, Digital Engineering/MBSE and be excited about opportunities to grow and be a source of subject matter expertise across the organization.\r\nThe Systems Engineer should have experience implementing a rigorous MBSE approach to develop DoD systems. New programs at STR will be looking to adopt agile approaches that incorporate model-based requirements management and traceability with software development. This position is well suited for a Systems Engineer with a software systems background who is interested in improving the state of the practice and demonstrating the advantages that MBSE can offer.\r\nWhat you will do:\r\nUtilize your Systems Engineering skillset as part of a tightly knit team to design, develop, implement, and deploy advanced software systems\r\nAnalyze, reverse-engineer, derive, and define requirements from ambiguous or incomplete software system implementations and codebases\r\nDevelop/generate documentation (e.g. Systems Requirements Document, SysML models) to capture requirements of new and existing systems\r\nPerform gap analysis between derived requirements and current system capabilities to identify missing features or functionalities\r\nAssist other technical contributors throughout the software lifecycle, from early prototypes to fully integrated systems\r\nImplement MBSE approaches using SysML in Cameo\r\nWork closely with domain experts and software development teams to realize program designs for a diverse set of applications, including:\r\nDistributed mission planning\r\nIntelligence Surveillance Reconnaissance (ISR) management\r\nDecision making support to human analysts/planners\r\nThis position is based in one of our offices but will take advantage of STR's flexible, hybrid environment: we anticipate that you could work remotely as much as 25% of the time\r\nAny time work does not require use of STR's facilities, you are welcome to work remotely\r\nWho you are:\r\nThis position requires anActive DoD Top Secret Clearancewith SCI eligibility, for which U.S. citizenship is needed by U.S. Government\r\nBS, MS or PhD in Systems Engineering, Computer Science, Aerospace Engineering, Electrical Engineering, or a related technical field\r\nExperience implementing open architectures and integrating with large scale software-intensive systems and platform systems\r\nStrong ability to derive requirements from existing software and capture new customer requirements, and translate those into development tasks for software teams\r\nComfortable working in dynamic environments and adjusting to changing priorities\r\nMinimum of 8 years work experience as a Systems Engineer or related field\r\nMinimum of 3 years experience architecting systems using system modeling tools (SysML in Cameo)\r\nEven Better:\r\nDomain expertise or familiarity with one or more of the following areas is highly desirable:Sea, air, and space platforms, mission planning, and C2 systems\r\nSensor Resource Management\r\nElectronic Warfare\r\nSoftware deployment in cloud-based systems\r\nGovernment Open System Architectures (UCI, OMS, COARPS)5+ years of experience in architecting systems using system modeling tools (SysML in Cameo)\r\nExperience porting models/designs from SparxEA to Cameo\r\nExperience in Java, Python, or object-oriented programming languages\r\nAgile software development experience and/or certificationPay Information\r\nFull-Time Salary Range: $157,000 - $224,000\r\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.STR 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.\r\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.\r\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.STR 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.\r\nIf you need a reasonable accommodation for any portion of the employment process, email us at appassist@str.us and provide your contact info.\r\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":"TX","isRemote":false,"isActive":false,"createdAt":"2026-05-28T02:06:15.996Z","occupations":[{"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"},{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"}],"industries":[{"code":"541330","title":"Engineering Services","slug":"engineering-services"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"928110","title":"National Security","slug":"national-security"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Lead Model-Based Systems Engineer","description":"Job Description\n\nSTR is hiring aLead Model-Based Systems Engineer (MBSE)in our Woburn, MA office to work across a broad portfolio of DoD mission areas. The Systems Engineer should have experience architecting systems, working across the Systems Engineering Lifecycle, a deep understanding of Systems Engineering principles, reverse engineering techniques, and the ability to work with complex software systems and the utilization of Digital Engineering/MBSE to accomplish program goals. The candidate will support STR's Systems Development Division to achieve architectural integrity and traceability from requirements analysis through system and software development and production system deployment.\r\nThis position offers the opportunity to work with leading domain experts developing solutions to solve the most challenging national security problems. Our teams consist of motivated individuals with degrees in engineering, computer science, mathematics, physics, and data science. The ideal candidate will be experienced in Systems Engineering processes and techniques, Modeling and Simulation, software-based systems, Digital Engineering/MBSE and be excited about opportunities to grow and be a source of subject matter expertise across the organization.\r\nThe Systems Engineer should have experience implementing a rigorous MBSE approach to develop DoD systems. New programs at STR will be looking to adopt agile approaches that incorporate model-based requirements management and traceability with software development. This position is well suited for a Systems Engineer with a software systems background who is interested in improving the state of the practice and demonstrating the advantages that MBSE can offer.\r\nWhat you will do:\r\nUtilize your Systems Engineering skillset as part of a tightly knit team to design, develop, implement, and deploy advanced software systems\r\nAnalyze, reverse-engineer, derive, and define requirements from ambiguous or incomplete software system implementations and codebases\r\nDevelop/generate documentation (e.g. Systems Requirements Document, SysML models) to capture requirements of new and existing systems\r\nPerform gap analysis between derived requirements and current system capabilities to identify missing features or functionalities\r\nAssist other technical contributors throughout the software lifecycle, from early prototypes to fully integrated systems\r\nImplement MBSE approaches using SysML in Cameo\r\nWork closely with domain experts and software development teams to realize program designs for a diverse set of applications, including:\r\nDistributed mission planning\r\nIntelligence Surveillance Reconnaissance (ISR) management\r\nDecision making support to human analysts/planners\r\nThis position is based in one of our offices but will take advantage of STR's flexible, hybrid environment: we anticipate that you could work remotely as much as 25% of the time\r\nAny time work does not require use of STR's facilities, you are welcome to work remotely\r\nWho you are:\r\nThis position requires anActive DoD Top Secret Clearancewith SCI eligibility, for which U.S. citizenship is needed by U.S. Government\r\nBS, MS or PhD in Systems Engineering, Computer Science, Aerospace Engineering, Electrical Engineering, or a related technical field\r\nExperience implementing open architectures and integrating with large scale software-intensive systems and platform systems\r\nStrong ability to derive requirements from existing software and capture new customer requirements, and translate those into development tasks for software teams\r\nComfortable working in dynamic environments and adjusting to changing priorities\r\nMinimum of 8 years work experience as a Systems Engineer or related field\r\nMinimum of 3 years experience architecting systems using system modeling tools (SysML in Cameo)\r\nEven Better:\r\nDomain expertise or familiarity with one or more of the following areas is highly desirable:Sea, air, and space platforms, mission planning, and C2 systems\r\nSensor Resource Management\r\nElectronic Warfare\r\nSoftware deployment in cloud-based systems\r\nGovernment Open System Architectures (UCI, OMS, COARPS)5+ years of experience in architecting systems using system modeling tools (SysML in Cameo)\r\nExperience porting models/designs from SparxEA to Cameo\r\nExperience in Java, Python, or object-oriented programming languages\r\nAgile software development experience and/or certificationPay Information\r\nFull-Time Salary Range: $157,000 - $224,000\r\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.STR 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.\r\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.\r\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.STR 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.\r\nIf you need a reasonable accommodation for any portion of the employment process, email us at appassist@str.us and provide your contact info.\r\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":"2026-05-28T02:06:15.996Z","dateModified":"2026-05-28T02:06:15.996Z","hiringOrganization":{"@type":"Organization","name":"Str","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Arlington","addressRegion":"TX","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"76b5412e43235fd5782f7699"},"url":"https://jobsearcher.com/jobs/76b5412e43235fd5782f7699"}}