NewModeling, Simulation and Analysis Engineer (Senior-Level) - TS/SCI Clearance Required Core-CSI LLC.Modeling, Simulation and Analysis Engineer (Senior-Level) - TS/SCI Clearance RequiredSterling, VACore-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.
NewSchool-Based Speech-Language Pathologist (CCC-SLP) | Private Practice Model | Washington, DC The Reading and Language Learning CenterSchool-Based Speech-Language Pathologist (CCC-SLP) | Private Practice Model | Washington, DCVienna, VA$50–$65 / hourThe Reading & Language Learning Center (RLLC), a private speech-language therapy practice, is seeking a DC-licensed Speech-Language Pathologist (CCC-SLP) to provide school-based speech-language therapy services at one of our DC Public Charter School partner locations beginning in Fall 2026 (late August/early September start). \n We are seeking clinicians interested in stable school-year roles with anticipated continuation into future academic years based on school partnership needs.
AFSIM Modeling and Simulation Specialist DCS CorpAFSIM Modeling and Simulation SpecialistReston, VirginiaAs part of our team, you’ll work in Reston, VA, supporting advanced defense technologies and R&D efforts alongside experts in simulation integration, state‑of‑the‑art modeling tools, and seasoned military SMEs. Your work will drive capability assessments for emerging military technologies and ensure the tools and methodologies we use effectively inform decision‑makers across the Department of Defense.
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 EngineerWashington, DC$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.
Enterprise Analytics and Modeling - Quantitative Modeling - Senior Manager Federal National Mortgage AssociationEnterprise Analytics and Modeling - Quantitative Modeling - Senior ManagerReston, VA$175,000–$239,000 / yearThe Modeling and Analytics - Quantitative Modeling - Senior Manager role will offer you the flexibility to make each day your own, while working alongside people who care so that you can deliver on the following responsibilities: Lead a team responsible for the research, development, calibration, implementation, and ongoing monitoring of mortgage prepayment, valuation, and market-risk models. The manager will partner closely with Capital Markets, Market Risk, Model Risk Management, Validation, Technology, and model users to ensure that models are analytically sound, operationally reliable, and responsive to evolving business needs.
Enterprise Analytics And Modeling - Quantitative Modeling - Senior Manager Fannie Mae CorpEnterprise Analytics And Modeling - Quantitative Modeling - Senior ManagerReston, VA$175,000–$239,000 / yearThe Modeling and Analytics- Quantitative Modeling- Senior Manager role will offer you the flexibility to make each day your own, while working alongside people who care so that you can deliver on the following responsibilities: Lead a team responsible for the research, development, calibration, implementation, and ongoing monitoring of mortgage prepayment, valuation, and market-risk models. The manager will partner closely with Capital Markets, Market Risk, Model Risk Management, Validation, Technology, and model users to ensure that models are analytically sound, operationally reliable, and responsive to evolving business needs.
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 Analyst/Developer Logistics Management InstituteModeling & Simulation Analyst/DeveloperTysons, VASuccessful Forward Deployed Engineers demonstrate competency in integrating advanced technologies into existing business processes, building new functionality, ensuring successful software development, analysis, or deployments, and working closely with customers. This role will work and engage directly with customers on-site, in a hybrid format, or remotely, as required by each customer including the potential for occasional short-term travel to customer locations across the United States.
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.
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.
Senior Modeling Engineer - TS/SCI Polygraph Required Leidos Holdings IncSenior Modeling Engineer - TS/SCI Polygraph RequiredReston, VA$131,300–$237,350 / yearThis position focuses on advanced structural modeling of complex facilities, critical infrastructure, and target environments to enable Countering Weapons of Mass Destruction and Hard and Deeply Buried Target vulnerability and defeat assessments. In this role, you will lead 3D Building Information Modeling efforts, manage cross-domain data movement between unclassified and classified networks, and perform field surveys using LiDAR and point cloud technologies.
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.
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. .
Predictive Modeling Analyst IV ArcfieldPredictive Modeling Analyst IVChantilly, VirginiaFull timeThere 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. Our solution areas include space mission engineering, atmospheric science, digital engineering, mission assurance, and advances in modeling and simulation that together with our enterprise-wide adoption of artificial intelligence and machine learning, lead to better systems and timely, reliable decision-making.
Software Engineer, Agentic Modeling & Simulation (Systems Engineer, Sr) Redwire SpaceSoftware Engineer, Agentic Modeling & Simulation (Systems Engineer, Sr)Chantilly, Virginia$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.