{"schemaVersion":"jobsearcher.job.v1","id":"310dddf281e2a951d2f1f2fd","url":"https://jobsearcher.com/jobs/310dddf281e2a951d2f1f2fd","canonicalUrl":"https://jobsearcher.com/jobs/310dddf281e2a951d2f1f2fd","title":"Research and Development Engineer","description":"Modern Technology Solutions Incorporated (MTSI) is seeking A mid-level R&D Scientist/Engineer specializing in fluid dynamics and space-based EO/IR systems develops and simulates advanced aerospace and defense systems for Department of Defense (DoD) and Intelligence Community (IC) applications. This role requires an active Top Secret/Sensitive Compartmented Information (TS/SCI) security clearance and hands-on experience with EO/IR sensor data.\n\nRequired\nU.S. Citizen\nBS in aeronautical or mechanical engineering, physics, or computer science\n+4 years of relevant experience in DoD / IC\nActive TS/SCI and willingness to take CI Polygraph\nExperience working with EO/IR sensor data\nKnowledge of space-based EO/IR sensor phenomenology\nProficient in one or more of the following coding/scripting languages: Python, C/C++, MATLAB\nProven ability to work/manage simultaneous projects and prioritize effectively in a dynamic R&D environment\nExcellent communication skills to articulate technical concepts to both technical and non-technical stakeholders\nStrong teamwork skills with the ability to collaborate effectively across multiple disciplines and departments, but also able to be self-sufficient when necessary\n\nDesired\nGEOINT processing research and development experience\nExtensive experience working with DoD EO/IR sensor data\nExperience in modelling/simulating advanced foreign weapon systems signatures\n+6 years relevant experience\nActive TS/SCI w/ CI Poly\nMS in aeronautical or mechanical engineering, physics, or computer science\n\n#LI-AC1\n#LI-Onsite\n\nPerks and Benefits\nVacation:\nNew Hires Accrue 20 days of PTO and 10 Holidays per Year\nHealth Insurance:\nZero Deductible Health Plans\nFlexible Schedules:\nFlex Schedules\nProfessional Development:\nUp to $10,000 Annual Education/Training Reimbursement\nESOP:\nFunded Stock Ownership Plan\n401k Match+:\n6% 401k Match + Immediate Vesting\nBonus Program:\nSemi-Annual Bonus Opportunity\nMentorship:\nCareer Mentorship Programs\nWhy is MTSI a great place to work\nInteresting Work:\nOur co-workers support some of the most important and critical programs to our national defense and security.\nValues:\nOur first core value is that employees come first. We challenge our co-workers to provide the highest level of support and service, and reward them with some of the best benefits in the industry.\n100% Employee Owned:\nWe have a stake in each other's success, and the success of our customers. It's also nice to know what's going on across the company; we have company wide town-hall meetings three times a year.\nGreat Benefits - Most Full-Time Staff Are Eligible for:\nStarting PTO accrual of 20 days PTO/year + 10 holidays/year\nFlexible schedules\n6% 401k match with immediate vesting up to $9k annually\nSemi-annual bonus eligibility (July and Decemeber)\nCompany funded Employee Stock Ownership Plan (ESOP) - a separate qualified retirement account\nUp to $10,000 in annual educational reimbursement\nOther company funded benefits, like life and disability insurance\nOptional zero deductible Blue Cross/Blue Shield health insurance plan\nTrack Record of Success:\nWe have grown every year since our founding in 1993.\nModern Technology Solutions, Inc. (MTSI) is a 100% employee-owned engineering services and solutions company that provides high-demand technical expertise in Digital Transformation, Modeling and Simulation, Rapid Capability Development, Test and Evaluation, Artificial Intelligence, Autonomy, Cybersecurity and Mission Assurance\nMTSI delivers capabilities to solve problems of global importance. Founded in 1993, MTSI today has employees at over 20 offices and field sites worldwide.\nFor more information about MTSI, please visitwww.mtsi-va.com\nEEO Statement\nMTSI embraces nine core values including our first core value of Employees come first. Consistent with our Core Values, we are committed to Equal Opportunity, making decisions without regard to race, color, religion, sex, national origin, age, military/veteran status, disability, or any other characteristics protected by applicable law. MTSI is committed to Equal Employment Opportunity and providing reasonable accommodations to applicants and employees with physical and/or mental disabilities.","company":"Modern Technology Solutions","rawCompany":"modern technology solutions","city":"Fairfax","state":"VA","isRemote":false,"isActive":false,"createdAt":"2026-07-16T15:06:44.884Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"17-2011.00","title":"Aerospace Engineers","slug":"aerospace-engineers"},{"code":"15-1221.00","title":"Computer and Information Research Scientists","slug":"computer-and-information-research-scientists"}],"industries":[{"code":"541330","title":"Engineering Services","slug":"engineering-services"},{"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"},{"code":"541690","title":"Other Scientific and Technical Consulting Services","slug":"other-scientific-and-technical-consulting-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Research and Development Engineer","description":"Modern Technology Solutions Incorporated (MTSI) is seeking A mid-level R&D Scientist/Engineer specializing in fluid dynamics and space-based EO/IR systems develops and simulates advanced aerospace and defense systems for Department of Defense (DoD) and Intelligence Community (IC) applications. This role requires an active Top Secret/Sensitive Compartmented Information (TS/SCI) security clearance and hands-on experience with EO/IR sensor data.\n\nRequired\nU.S. Citizen\nBS in aeronautical or mechanical engineering, physics, or computer science\n+4 years of relevant experience in DoD / IC\nActive TS/SCI and willingness to take CI Polygraph\nExperience working with EO/IR sensor data\nKnowledge of space-based EO/IR sensor phenomenology\nProficient in one or more of the following coding/scripting languages: Python, C/C++, MATLAB\nProven ability to work/manage simultaneous projects and prioritize effectively in a dynamic R&D environment\nExcellent communication skills to articulate technical concepts to both technical and non-technical stakeholders\nStrong teamwork skills with the ability to collaborate effectively across multiple disciplines and departments, but also able to be self-sufficient when necessary\n\nDesired\nGEOINT processing research and development experience\nExtensive experience working with DoD EO/IR sensor data\nExperience in modelling/simulating advanced foreign weapon systems signatures\n+6 years relevant experience\nActive TS/SCI w/ CI Poly\nMS in aeronautical or mechanical engineering, physics, or computer science\n\n#LI-AC1\n#LI-Onsite\n\nPerks and Benefits\nVacation:\nNew Hires Accrue 20 days of PTO and 10 Holidays per Year\nHealth Insurance:\nZero Deductible Health Plans\nFlexible Schedules:\nFlex Schedules\nProfessional Development:\nUp to $10,000 Annual Education/Training Reimbursement\nESOP:\nFunded Stock Ownership Plan\n401k Match+:\n6% 401k Match + Immediate Vesting\nBonus Program:\nSemi-Annual Bonus Opportunity\nMentorship:\nCareer Mentorship Programs\nWhy is MTSI a great place to work\nInteresting Work:\nOur co-workers support some of the most important and critical programs to our national defense and security.\nValues:\nOur first core value is that employees come first. We challenge our co-workers to provide the highest level of support and service, and reward them with some of the best benefits in the industry.\n100% Employee Owned:\nWe have a stake in each other's success, and the success of our customers. It's also nice to know what's going on across the company; we have company wide town-hall meetings three times a year.\nGreat Benefits - Most Full-Time Staff Are Eligible for:\nStarting PTO accrual of 20 days PTO/year + 10 holidays/year\nFlexible schedules\n6% 401k match with immediate vesting up to $9k annually\nSemi-annual bonus eligibility (July and Decemeber)\nCompany funded Employee Stock Ownership Plan (ESOP) - a separate qualified retirement account\nUp to $10,000 in annual educational reimbursement\nOther company funded benefits, like life and disability insurance\nOptional zero deductible Blue Cross/Blue Shield health insurance plan\nTrack Record of Success:\nWe have grown every year since our founding in 1993.\nModern Technology Solutions, Inc. (MTSI) is a 100% employee-owned engineering services and solutions company that provides high-demand technical expertise in Digital Transformation, Modeling and Simulation, Rapid Capability Development, Test and Evaluation, Artificial Intelligence, Autonomy, Cybersecurity and Mission Assurance\nMTSI delivers capabilities to solve problems of global importance. Founded in 1993, MTSI today has employees at over 20 offices and field sites worldwide.\nFor more information about MTSI, please visitwww.mtsi-va.com\nEEO Statement\nMTSI embraces nine core values including our first core value of Employees come first. Consistent with our Core Values, we are committed to Equal Opportunity, making decisions without regard to race, color, religion, sex, national origin, age, military/veteran status, disability, or any other characteristics protected by applicable law. MTSI is committed to Equal Employment Opportunity and providing reasonable accommodations to applicants and employees with physical and/or mental disabilities.","datePosted":"2026-07-16T15:06:44.884Z","dateModified":"2026-07-16T15:06:44.884Z","hiringOrganization":{"@type":"Organization","name":"Modern Technology Solutions","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Fairfax","addressRegion":"VA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"310dddf281e2a951d2f1f2fd"},"url":"https://jobsearcher.com/jobs/310dddf281e2a951d2f1f2fd"}}