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HomeCompaniesSTRPrincipal Model-Based Systems Engineer

Principal Model-Based Systems Engineer

STR · Dayton, OH · Active · $206,000–$284,000 / year · Greenhouse

Job facts

FieldValue
CompanySTR
TitlePrincipal Model-Based Systems Engineer
Normalized title-
Department / teamSystems
LocationDayton, OH, United States
Work model-
Employment type-
Salary$206,000–$284,000 / year
Statusactive
ATS providerGreenhouse
Posted / first seen2026-04-28 / 2026-05-29
Changed / last seen2026-06-19 / 2026-06-19

Related slices

PageWhat it containsOpen
Company jobsActive postings from STR.Open
Company breakdownsRole, location, ATS, and work model facets for this company.Open
ATS provider jobsActive postings observed through Greenhouse.Open
Provider filtered searchThe same provider as a filtered job collection.Open
City jobsActive postings in Dayton.Open
Department jobsActive postings in Systems.Open
Lifecycle eventsOpen, update, close, and reopen events for this posting.Open
Original postingCanonical source or apply URL captured from the ATS.Open

Linked records

CompanySTR
Source76b12918-4bb1-42e1-bd8f-bc6889ff909b
ATS providerGreenhouse

Description

STR is hiring a Principal Model-Based Systems Engineer (MBSE) in our Woburn, MA office (other locations : Dayton, OH & Arlington, VA ) to work across a broad portfolio of DoD mission areas. The Systems Engineer should have experience leading teams, architecting systems, working across the Systems Engineering Lifecycle, and have experience in Digital Engineering/MBSE. The candidate will support STR’s Systems Development Division in adopting processes and tools to achieve architectural integrity and traceability from requirements analysis through system and software development through production system deployment. This position offers the opportunity to work with leading domain experts in sensors development and cyber security to incorporate MBSE tools and techniques. The ideal candidate will be well-versed in Systems Engineering techniques, Modeling and Simulation, Digital Engineering/MBSE and be excited about opportunities to mentor more junior staff and help foster growth of subject matter expertise across the organization. In addition to modeling in SysML, the Systems Engineer will be responsible for implementing and guiding teams in the customization and automation techniques offered by Cameo to enable multi-disciplinary programs to comply with DoD Digital Engineering goals. Proficiency in one or more high-level language (C/C++, Java, Python) is highly desired. The 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 development background who is interested in improving the state of the practice and demonstrating the advantages that MBSE can offer. What you will do: Leading development programs through the Systems Engineering process using MBSE approaches that support DoD Digital Engineering goals Leading teams and implementing rigorous MBSE approaches using SysML in Cameo (MagicDraw) Providing mentorship and training of Systems Engineers on the use of MBSE Working closely with domain experts and software development teams to realize program designs and digital engineering goals Who you are: This position requires an Active DoD Secret Clearance with the ability to obtain a Top Secret (TS) Security Clearance, for which U.S. citizenship is needed by U.S. Government BS, MS or PhD in Systems Engineering, Aerospace Engineering, or related technical field Technical Project Lead experience Minimum of 10 years work experience as a Systems Engineer or related field Minimum of 5 years experience working with SysML models in Cameo (or similar tool) Experience working with software-intensive systems and open architecture Nice to haves: Active Top Secret Security Clearance 10+ years’ experience in architecting systems using system modeling tools Domain expertise in one or more of the following areas is desirable; Radar, Electronic Warfare, Acoustic, Antenna Apertures, Sensor Resource Management, Sea/Air/Space, Large-Scale Platform Test Systems, Cyber Physical Systems, Open System Architectures (UCI, OMS, COARPS) Proficiency in Java, C/C++ or Python Agile software development experience Familiarity with specific government open architectures (e.g., Open Mission Systems) Pay Information Full-Time Salary Range: $206,000 - $284,000 The 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. STR 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. STR 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. If you need a reasonable accommodation for any portion of the employment process, email us at [email protected] and provide your contact info. Pursuant 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.

Full job record

Job ID01ab0cd012be30776959935c5ad0ed1d7cc46b03
Org ID531c552e-51e5-4e88-a6c6-1587aa82654a
Source ID76b12918-4bb1-42e1-bd8f-bc6889ff909b
Board ID76b12918-4bb1-42e1-bd8f-bc6889ff909b
Providergreenhouse
Provider Job Key4677243006
TitlePrincipal Model-Based Systems Engineer
Normalized Title
Statusactive
Activeyes
Location TextDayton, OH
DepartmentSystems
Team
Employment Type
Workplace Type
Remote Policy
CountryUnited States
RegionOH
CityDayton
Salary RawSalary Range: $206,000 - $284,000 The salary range listed is based on external market data
Salary Min206,000
Salary Max284,000
Salary CurrencyUSD
Salary Periodyear
Source URLhttps://job-boards.greenhouse.io/systemstechnologyresearch/jobs/4677243006
Apply URLhttps://job-boards.greenhouse.io/systemstechnologyresearch/jobs/4677243006
First Seen At2026-05-29 23:00:26Z
Last Seen At2026-06-19 07:35:28Z
Last Checked At2026-06-19 07:35:28Z
Last Changed At2026-06-19 07:35:28Z
Inactive At
Source Posted At2026-04-28 20:17:04Z
Source Updated At2026-06-19 05:02:50Z
Raw Payload Uris3://job-postings-prod-raw-590183727216/raw/provider=greenhouse/board=systemstechnologyresearch/date=2026-06-19/2026-06-19T07-35-28-329Z-08819e3906f6af958d203be227be73cf86f2f8573c09b842703aed0cdf185b85.json
Event Fields
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Parsed Structured
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  "salary_currency": "USD"
}
Extensions
{}
Native Structured
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  "metadata": [],
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  "company_name": "STR",
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  "first_published": "2026-04-28T16:17:04-04:00",
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}
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