Senior Model Based Systems Engineer LeidosSenior Model Based Systems EngineerAlexandria, VA$107,900–$195,050Bachelor’s degree in engineering or related field with 8+ years of prior relevant experience or a master’s degree with 6+ years of experience in one of these areas: systems engineering, software engineering, test engineering or related field. Your role will directly support our diverse portfolio of programs through a combination of requirements and design architecture analysis; MBSE Model development; mentoring junior engineers and assisting technical leadership develop briefing material.
Model-Based Systems Engineer LeidosModel-Based Systems EngineerAnnandale, VA$69,550–$125,725Bachelor’s degree in engineering or related field with 2+ years of prior relevant experience or a master’s degree with at least a year experience in one of these areas: systems engineering, software engineering, test engineering or related field. March 30, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Aerospace Modeling & Simulation Software Engineer (TS/SCI) MaxaarAerospace Modeling & Simulation Software Engineer (TS/SCI)Herndon, VirginiaThis is a hands-on technical role for a software developer with an aerospace mindset—someone who enjoys designing practical tools, improving simulation capabilities, working with large technical datasets, and translating complex mission needs into reliable, maintainable software. Bachelor’s degree from an accredited college or university in Computer Science, Software Engineering, Aerospace Engineering, Electrical Engineering, Mechanical Engineering, Mathematics, Physics, or a related technical field.
Orbit Analyst and Space Application Modeling Science Applications International CorpOrbit Analyst and Space Application ModelingChantilly, VA$120,001–$160,000 / yearThis Orbit Analyst and Space Modeling role will work in a collaborative team-focused environment in prototyping, designing, and integrating tools which will be used in modeling and simulating space vehicle missions. Your role will be to provide expertise and proficiency to develop algorithms, support modeling and simulation efforts and provide orbit analytic skills to conduct analyses to support physics-based modeling for space mission applications.
Deals Services - Manager, Strategic Finance And Fp&A, Advanced Decision Modeling RSMDeals Services - Manager, Strategic Finance And Fp&A, Advanced Decision ModelingMclean, VA$112,100–$225,500 / yearThe salary range (or starting rate for interns and associates) for this role represents numerous factors considered in the hiring decisions including, but not limited to, education, skills, work experience, certifications, location, etc. Develops and reviews complex, fully integrated financial models, including operating, cash flow, valuation, and transaction models, to support strategic decision-making.
Senior Modeling & Simulation Lead Engineer - Remote Scientific Research CorporationSenior Modeling & Simulation Lead Engineer - RemoteAlexandria, VirginiaRemoteFull timeServing as a key technical advisor during all performer-driven project reviews, including the System Requirements Review (SRR), Integrated Baseline Review (IBR), Preliminary Design Review (PDR), Critical Design Review (CDR), and Technical Interchange Meetings (TIMs), with a focus on M&S-related content. Assessing contract performer strategies for creating and maintaining the "Digital Thread," ensuring data continuity from requirements definition in Model-Based Systems Engineering (MBSE) models through design, simulation, test, and operations.
Predictive Modeling Analyst IV Rite-Solutions IncPredictive Modeling Analyst IVChantilly, VAThere are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In depth experience in at least one of the following disciplines: Collection Performance, Resource Allocation, Multi-band Remote Sensing, Sensor Engineering, Product Quality, Vehicle Engineering, Orbit Mechanics, Functional Availability, Geolocation Accuracy.
Senior Modeling & Simulation Lead Engineer Remote Scientific Research CorpSenior Modeling & Simulation Lead Engineer RemoteAlexandria, VARemoteServing as a key technical advisor during all performer-driven project reviews, including the System Requirements Review (SRR), Integrated Baseline Review (IBR), Preliminary Design Review (PDR), Critical Design Review (CDR), and Technical Interchange Meetings (TIMs), with a focus on M&S-related content. Assessing contract performer strategies for creating and maintaining the "Digital Thread," ensuring data continuity from requirements definition in Model-Based Systems Engineering (MBSE) models through design, simulation, test, and operations.
Sr. Aerospace Modeling & Simulation Engineer MaxaarSr. Aerospace Modeling & Simulation EngineerHerndon, Virginia8+ years of professional experience in space systems modeling and simulation, including knowledge of the theory and applications of astrodynamics, remote sensing, spacecraft design, aerospace systems operations, or complex systems integration. Bachelor’s degree from an accredited college/university, in Aerospace Engineering, Mechanical Engineering, Electrical Engineering, Mathematics, Physics, or Computer Science. .
Software Engineer, Agentic Modeling & Simulation (Systems Engineer, Sr) Redwire CorpSoftware Engineer, Agentic Modeling & Simulation (Systems Engineer, Sr)Chantilly, VA$93,000–$150,000 / yearYou will work across simulation, data, and systems engineering teams to deliver intelligent, reliable, and mission‑aligned agentic capabilities supporting aerospace, defense, and other high‑integrity environments. To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State.
Modeling, Simulation and Analysis Engineer (Senior-Level) - TS/SCI Clearance Required Core-CSI LLC.Modeling, Simulation and Analysis Engineer (Senior-Level) - TS/SCI Clearance RequiredSpringfield, VAFull timeCore-CSI is seeking talented Modeling, Simulation and Analysis Engineer (Senior-Level).Overall Assignment Description:Senior-level Modeling, Simulation and Analysis (MS&A) Engineers guide and conduct modeling, simulation and analysis activities in support of business stakeholders, analysts, and warfighters to define and analyze system and data requirements to support NGA business and mission processes to ensure timely and accurate GEOINT.Duties may include:Guides the development and use of complex models, tools and algorithms to identify trends and patterns in Big Data. Guides modeling NGA's architectures, requirements, and systems performance and considers NGA and NSG strategies and overall vision for the future of GEOINT.Guides the creation of models to support analysis of alternatives, performance trades, design trades and new capabilities and develops alternatives for deployment based on MS&A results in existing NSG architectures and cloud environments.
Credit Risk Machine learning Modeling Lead (AVP) Inizio Partners CorpCredit Risk Machine learning Modeling Lead (AVP)Norfolk, VirginiaAt least 6+ years experience with special emphasis on the advanced algorithms like bagging, gradient boosting machines, random forests, SVM, K-means, deep learning or reinforcement learning. Understand the clients business requirements, translate into a business problem and design the methodology to solve the business problem.
Modeling & Simulation Engineer Sedaro CorpModeling & Simulation EngineerArlington, VABachelors degree in physics, applied math, engineering, or similar Experience writing software to model complex physical systems Experience with git, automated testing, and related software development tools & practices Experience validating simulation models against real-world data Experience with data analysis and visualization Able to obtain a TS security clearance. Overview Sedaro is hiring a Modeling & Simulation Engineer to build the high fidelity simulation software that powers our cutting-edge simulation platform and help transform how aerospace technology is built.
Senior Modeling & Simulation Engineer Sedaro CorpSenior Modeling & Simulation EngineerArlington, VA6+ years of applicable engineering experience Bachelors degree in physics, applied math, engineering, or similar Expertise writing software to model complex physical systems Proficiency with git, automated testing, and related software development tools & practices Experience validating simulation models against real-world data Experience with data analysis and visualization Able to obtain a TS security clearance. Overview Sedaro is hiring a Senior Modeling & Simulation Engineer to build the high fidelity simulation software that powers our cutting-edge simulation platform and help transform how aerospace technology is built.
Lead Modeling & Simulation Engineer Sedaro CorpLead Modeling & Simulation EngineerArlington, VA3+ years of applicable engineering experience Bachelors degree in physics, applied math, engineering, or similar Proficiency writing software to model complex physical systems Experience with git, automated testing, and related software development tools & practices Experience validating simulation models against real-world data Experience with data analysis and visualization Able to obtain a TS security clearance. Overview Sedaro is hiring a Lead Modeling & Simulation Engineer to build the high fidelity simulation software that powers our cutting-edge simulation platform and help transform how aerospace technology is built.
Modeling & Simulation Intern Sedaro CorpModeling & Simulation InternArlington, VAOverview Sedaro is hiring a Modeling & Simulation Engineer Intern to help build the complex, high fidelity simulations that power our cutting-edge simulation platform and help revolutionize how the next generation of aerospace technology is built. Your responsibilities may include: Developing high-fidelity simulation software and analysis tools for a diverse range of complex systems and validating these models against real-world data.
Model Based Systems Engineer Tactical Engineering & AnalysisModel Based Systems EngineerDahlgren, VAFull timeCITIZENSHIP IS REQUIREDSECURITY CLEARANCECandidates must have an active clearance OR the ability to obtain a US Government security clearance and will be subject to a US security background investigation (i.e. favorable background investigation / credit score). CORE FUNCTIONS/JOB DUTIESAble to perform the following independently, under minimum supervision:Contributes to the design, development, and implementation of complex systems using advanced modeling techniques.
Digital Modeling Engineer KBRDigital Modeling EngineerChantilly, VAKBR is seeking a Senior Digital Modeling Engineer to support Model Based Systems Engineering (MBSE) efforts for an Intelligence Community Space customer. KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities.
SIGINT/GEOINT Modeling & Simulation Engineer The Aerospace CorpSIGINT/GEOINT Modeling & Simulation EngineerChantilly, VA$129,000–$249,600 / yearAs the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers. The Surveillance and Navigation Architecture Performance Department (SNAPD) in the Integrated Performance Subdivision aspires to be the premier force advising the evolution of national security and civil space enterprises, leveraging our modeling and simulation (M&S) expertise to evaluate end-to-end architecture performance.
Space Domain Awareness Modeling & Analysis Engineer The Aerospace CorpSpace Domain Awareness Modeling & Analysis EngineerChantilly, VA$129,000–$249,600 / yearThe Sensor Modeling and Simulation Department (SMSD) supports all aspects of advanced remote sensing system development: designing and assessing the performance of optics and electro-optical focal plane arrays, modeling the end-to-end sensing system, simulating target scenes and atmospheres, developing innovative data processing and computer vision algorithms, and producing simulated data products for new applications. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers.