Quantitative Analytics Senior (Credit Risk Modeling) Freddie MacQuantitative Analytics Senior (Credit Risk Modeling)Mclean, VA$126,000–$190,000 / yearPosition Overview: Freddie Mac's Single-Family Division is currently seeking a Quantitative Analytics Senior to be responsible for the development and execution of statistical models and applications in support of business and risk decisions as a member of the Credit Risk Modeling Team. Coordinating the testing through the model implementation, conducting back tests to monitor the model performance, and performing economic tests and stress tests to validate the model forecast results.
NewSenior Modeling and Simulation / Operations Research Analyst Mitre CorpSenior Modeling and Simulation / Operations Research AnalystMcLean, VA$124,400–$155,500 / yearRoles & Responsibilities: We are seeking an experienced, highly motivated Modeling & Simulation / Operations Research Analyst to support critical national security missions, such as homeland defense, Space Domain Awareness, orbital warfare, Missile Warning/Tracking/Defense, Space Command and Control, operational test/training, force design, etc. MITRE is a nonprofit systems engineering, applied research, and advanced technology organization that operates federally funded R&D centers to deliver deep technical and systems integration, rapid prototype development, and mission-driven innovation in the public interest.
Missile Effectiveness Modeling and Simulation Analyst Johns Hopkins University Applied Physics Laboratory LLCMissile Effectiveness Modeling and Simulation AnalystLaurel, MDAPL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development. The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation's most critical defense, security, space and science challenges.
Modeling and Simulation Engineer Systems Planning and AnalysisModeling and Simulation EngineerAlexandria, VirginiaFull timeOur team of experienced military, technical, and operations research analysts is skilled in evaluating military problems, identifying the driving factors, devising innovative approaches, collecting applicable data, developing necessary software tools, and performing thorough and timely assessments to inform technology and acquisition governance decisions to ensure U.S. military forces retain military superiority in the future. SPA provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work.
Jr. Modeling and Simulation Analyst Systems Planning And Analysis, Inc.Jr. Modeling and Simulation AnalystVA$75,000–$90,000 / yearAs a leader in the fields of campaign, mission, and wargaming analysis we embrace the cycle of research paradigm, continually seeking to improve the multi-method application of tools, data, methods, and techniques to generate credible and resilient insights to inform decisions on the Department's most challenging issues spanning CONOPs, acquisitions, force structures, tactics, and strategies. This role supports engagement-level analysis through the development and execution of analytical models, statistical methods, parametric and non-parametric techniques, regression analysis, and computer-based simulations using AFSIM.
Modeling-Based Systems Engineer (All levels) Redwire SpaceModeling-Based Systems Engineer (All levels)Chantilly, Virginia$82,000–$150,000 / yearYou will build and evolve system level models, support virtual integration and V&V activities, contribute to concept development, and collaborate closely with systems engineers, software teams, mission analysts, and business stakeholders to deliver accurate, traceable, and high fidelity engineering representations across aerospace and defense programs. This role blends physics based modeling, MBSE discipline, and multidomain simulation expertise to ensure that digital twins, digital threads, system interfaces, and analytical models are coherent, validated, and aligned with mission and program objectives.
Modeling-Based Systems Engineer (Systems Engineer) Redwire SpaceModeling-Based Systems Engineer (Systems Engineer)Chantilly, Virginia$82,000–$150,000 / yearYou will build and evolve system level models, support virtual integration and V&V activities, contribute to concept development, and collaborate closely with systems engineers, software teams, mission analysts, and business stakeholders to deliver accurate, traceable, and high fidelity engineering representations across aerospace and defense programs. This role blends physics based modeling, MBSE discipline, and multidomain simulation expertise to ensure that digital twins, digital threads, system interfaces, and analytical models are coherent, validated, and aligned with mission and program objectives.
Digital Modeling Engineer KBR IncDigital 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.
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.
Model-Based Systems Engineer (MBSE) Stratos SolutionsModel-Based Systems Engineer (MBSE)Chantilly, VAThe successful candidate will contribute to the development of system architectures, digital thread capabilities, and federated model frameworks that enhance technical rigor and mission understanding across satellite and ground system domains. The selected candidate will operate in a collaborative engineering environment developing and maintaining digital engineering artifacts and MBSE models for space and space-related systems.
Modeling and Simulation Engineer Science Applications International CorpModeling and Simulation EngineerChantilly, VAOur robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. This role puts you at the heart of efforts to strengthen the NRO's space resiliency posture - ensuring our nation's most critical space assets remain ready, reliable, and effective.
Modeling and Simulation Engineer APEX TK LLCModeling and Simulation EngineerChantilly, VAUse and develop cutting-edge modeling and simulation tools and algorithms to help address some of the most challenging issues regarding Space Situational Awareness (SSA) for the Intelligence Community (IC) and Department of Defense (DOD). Experience performing space-related engineering analysis (collecting, organizing, analyzing data) using one or more of the following: C++, Python, R, SQL, PostgreSQL, Linux, MATLAB, VBA, or STK.
Quantitative Modeling -Interest Rate Derivatives- Manager Federal National Mortgage AssociationQuantitative Modeling -Interest Rate Derivatives- ManagerWashington, DC$155,000–$209,000 / yearThe Quantitative Modeling -Interest Rate Derivatives- 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: Manage the application of mathematical, statistical, and econometric techniques to provide innovative, thorough, and practical solutions that support business strategies and initiatives. As a valued leader on our team, you will manage the work of a team whose staff conduct theoretical and empirical research with public and proprietary data in all areas of mortgage finance business, with a focus on financial valuation and counterparty risk of interest rate derivatives as well as hedge accounting.
NewQuantitative Modeling –Interest Rate Derivatives- Manager Fannie MaeQuantitative Modeling –Interest Rate Derivatives- ManagerWashington, District of Columbia$155,000–$209,000 / yearThe Quantitative Modeling –Interest Rate Derivatives- 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: Manage the application of mathematical, statistical, and econometric techniques to provide innovative, thorough, and practical solutions that support business strategies and initiatives. As a valued leader on our team, you will manage the work of a team whose staff conduct theoretical and empirical research with public and proprietary data in all areas of mortgage finance business, with a focus on financial valuation and counterparty risk of interest rate derivatives as well as hedge accounting.
Analyst (Energy and Climate Modeling) Energy InnovationAnalyst (Energy and Climate Modeling)DC$80,000–$100,000 / yearModify and run energy and climate models, with a focus on our in-house climate and energy policy model, the Energy Policy Simulator (EPS) including designing, implement, and running policy scenarios; finding, transforming, and inputting data; calibrating and testing policy scenarios; and adjusting model inputs to reflect project-specific assumptions. The target national salary range is $80,000 to $100,000 with adjustments made for people in higher-expense markets, i.e. the San Francisco Bay Area, New York City, and Washington D.C. Equity is incredibly important to the organization, and a pay audit for equity is completed annually. .
AFSIM Modeling & Simulation Specialist - Active TS/SCI Clearance Macpower Digital Assets Edge Private LimitedAFSIM Modeling & Simulation Specialist - Active TS/SCI ClearanceQuantico, VA$70,000–$117,500 / yearYour work will focus on conducting capability assessments for emerging military technologies and ensuring related tools and methodologies are suitable to inform Department of Defense (DoD) decision makers. Job Summary: Our client is seeking an Advanced Framework for Simulation Integration & Modeling (AFSIM) Modeling and Simulation Specialist to support extensive high visibility Modeling, Simulation, and Analysis (MS&A) efforts.
Modeling/Mapping Specialist Akima, LLCModeling/Mapping SpecialistSpringfield, VirginiaReporting to the Program Lead and Lead Architect while directly supporting the Architecture & Data Management Branch (ADMB), this role focuses on building and customizing metamodels compatible with ServiceNow and the Common Service Data Model (CSDM), developing templates for architectural artifacts, and creating accurate as-is and to-be models across all EA domains. The specialist supports the migration from legacy tools to the new EA Repository and Modeling Tool (Ins-Pi/YouDesign), ensuring data integrity, visualization, and alignment with TSA’s mission to protect the nation’s transportation systems through efficient, data-driven architecture capabilities.
Network Modeling and Simulation Lead CACI International IncNetwork Modeling and Simulation LeadSterling, VA$120,800–$265,800 / yearQualifications: • Bachelors degree in Applied Mathematics, Applied Statistics, Computer Science, Information Technology, or equivalent work experience • 10+ years of related work experience • Strong understanding of network protocols, architectures, and technologies (e.g., TCP/IP, MPLS, SDN) • Expertise in network simulation tools (NS3, Riverbed Modeler, OPNET, Paragon Planner, etc.) • Experience with data analytics and visualization tools • Proven track record of solving complex network problems through modeling and simulation • Strong analytical and problem-solving skills, with the ability to interpret complex data and translate it into actionable insights • Strong written and verbal communication skills • Ability to work independently and as part of a team • TS/SCI with Poly required • Leadership and team management experience, with the ability to inspire and guide teams toward achieving project goals. Desired: • Strong programming skills in languages relevant to network modeling (e.g., Python, C++, MATLAB) • Relevant industry certifications (e.g., CCNP, JNCIP) • Experience in large-scale, multi-vendor network environments.
Modeling & Simulation - Logistics Analyst (PTOC) Obsidian Solutions Group LLCModeling & Simulation - Logistics Analyst (PTOC)VAObsidian Solutions Group (OSG) is seeking a Modeling and Simulation Analyst - Logistics Analyst, Part-Time-On-Call (PTOC) to provide subject matter expertise to collaborate with a team of analysts in the research, creation, modeling, and analysis of military systems to quantify the performance and impact of operational concepts and tactics. Conduct operational testing and testing to evaluate simulation database and parametric data (weapons, equipment, personnel, and complex asset performance within the simulation), including the OPFOR, and ensure that models are accurate representations of forces for exercises/training events/wargames.
Model Based System Engineer-Junior Level SolvarusModel Based System Engineer-Junior LevelChantilly, VAIntegrate enterprise tools and develop MBSE-based processes to support requirements engineering, the customer's ERB process, CONOPS and architecture development, Risk, Issues and Opportunity Management boards, schedule management, test and verification strategy development, and system integration of new initiatives in support of expanded mission capabilities. As a Solvarus team member, you will work closely as part of multiple Integrated Product Teams (IPTs) to architect and design Space and Ground solutions using advanced Model Based Systems Engineering (MBSE) processes and techniques.