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.
Senior Model Based Systems Engineer LeidosSenior Model Based Systems EngineerWoodbridge, 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.
Business Analyst with expertise in Loan IQ and data modeling PeopleNTech LLCBusiness Analyst with expertise in Loan IQ and data modelingAlexandria, VA$80–$82 / hourThis role involves working closely with business stakeholders, data architects, and engineering teams to define and deliver robust data solutions that support compliance, reporting, and analytics. The ideal candidate will have deep domain expertise in Derivatives, Finance, Cash, Loans, and Commitments, along with a strong understanding of Regulatory Reporting requirements.
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.
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.
Modeling & Simulations System Admin Obsidian Solutions Group LLCModeling & Simulations System AdminVAObsidian Solutions Group (OSG) is seeking a Simulation system (MAGTF Tactical Warfighting Simulation (MTWS), Joint Deployment Logistics Model (JDLM), Air, Space and Cyberspace Constructive Environment - Information Operations Suite (ACE-IOS)) Systems Administrator who must possess strong problem-solving, analytical and communication skills, in addition to in-depth technical knowledge of the Government's systems' hardware and software. A career at Obsidian Solutions Group means you are able to put your expertise, credentials, and talents to great use working with customers in the DOD and Intelligence Community, while enjoying the excitement of working in a fast-growing organization committed to making a difference for our customers and in our community.
Aerospace Systems Engineer – Modeling & Analysis AstrionAerospace Systems Engineer – Modeling & AnalysisSuitland, Maryland$110,000–$190,000 / yearCandidates must possess a Bachelor of Science Degree in Aerospace Engineering, Mechanical Engineering, Electrical Engineering, or a related degree (advanced degrees preferred). Technical writing and communications: ability to convey complex information with clear and precise language, verbal and written, to a wide range of audiences while utilizing a variety of templates and formats.
Logistics Modeling Analyst Booz Allen Hamilton IncLogistics Modeling AnalystVA$99,000–$225,000 / yearOnsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. The Opportunity: As a data scientist, you're excited at the prospect of unlocking the secrets held by a data set, and you're fascinated by the possibilities presented by IoT, machine learning, and artificial intelligence.
Senior Modeling & Simulation Engineer ThinkTekSenior Modeling & Simulation EngineerQuantico, VAFull timePosition Description: ThinkTek is seeking a highly motivated Senior Modeling & Simulation (M&S) Engineer to provide technical expertise in the development, integration, and analysis of modeling and simulation solutions that support program decision-making and mission outcomes. The role focuses on designing, implementing, validating, and analyzing models and simulations to evaluate system performance, operational concepts, and technical alternatives across complex operational environments.
Modeling/Mapping Specialist NANA Regional Corporation IncModeling/Mapping SpecialistSpringfield, VAReporting 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.
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.
NewAFSIM 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.
Aerospace Systems Engineer - Modeling & Analysis Axient LLCAerospace Systems Engineer - Modeling & AnalysisSuitland, MD$110,000–$190,000 / yearCandidates must possess a Bachelor of Science Degree in Aerospace Engineering, Mechanical Engineering, Electrical Engineering, or a related degree (advanced degrees preferred). Technical writing and communications: ability to convey complex information with clear and precise language, verbal and written, to a wide range of audiences while utilizing a variety of templates and formats.
Modeling and Simulation Software Developer Applied Research Associates, IncModeling and Simulation Software DeveloperAlexandria, VAFull timeThe Missions, Concepts and Capabilities (MCC) of Applied Research Associates, Inc. (ARA) is seeking a Modeling and Simulation Software Developer to join a multi-disciplinary team of engineers and scientists developing and deploying systems that integrate chemical and biological (CB) sensors, data analytics, artificial intelligence, and modeling and simulation tools to perform forensics and predict hazards for the Department of War. This position will place you in a team of engineers and scientists developing a suite of software tools used by the defense community, to include interactive training materials, weapons effects modeling and simulation applications, and artificial intelligence solutions to aid research and development projects.
Model Based Systems Engineer TSCModel Based Systems EngineerDahlgren, VirginiaDevelop systems integration solutions and extend system models using existing requirements, interface documentation, and related design and systems engineering documents, working with commercial MBSE tools. Additional responsibilities will include but not limited to: Develop and deliver MBSE artifacts needed to support development of SysML/UML models of CONOPS and Requirements, Architecture models, and simulation cases.
Modeling/Mapping Specialist AkimaModeling/Mapping SpecialistSpringfield, VAReporting 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.
NewModel Based Systems Engineer (MBSE) Ukpeagvik Inupiat CorpModel Based Systems Engineer (MBSE)VAModel-Based Systems Engineer (MBSE) (E30-2026-25688): Bowhead seeks a DoD SECRET cleared Model-Based Systems Engineer (MBSE) to join our team supporting the Naval Surface Warfare Center Dahlgren Division. Job duties include but are not limited to: Work with Government leads and engineers to help develop system diagrams to represent system interactions.
NewModel-Based Systems Engineer (MBSE) Bowhead / UIC Technical ServicesModel-Based Systems Engineer (MBSE)Dahlgren, VAModel-Based Systems Engineer (MBSE) (E30-2026-25688): Bowhead seeks a DoD SECRET cleared Model-Based Systems Engineer (MBSE) to join our team supporting the Naval Surface Warfare Center Dahlgren Division. Job duties include but are not limited to: Work with Government leads and engineers to help develop system diagrams to represent system interactions.
Systems Engineer II - Model-Based Systems Engineering (MBSE) Parsons CorpSystems Engineer II - Model-Based Systems Engineering (MBSE)VA$49.76–$87.07 / hourThe position requires close collaboration with systems engineers, software architects, software developers, test engineers, and platform engineering teams to ensure models accurately represent the current and future-state architecture and support engineering decision-making throughout the modernization effort. At Dahlgren, we are working to bring new technology to the Warfighter, continuously improve system performance, and ensure the US Navy maintains the solutions required for ship self-defense while bringing the means to project force.
Computational Modeling Data Analyst INNOVATIVE REASONING LLCComputational Modeling Data AnalystVAProbability and statistical analysis: Provide analytic process models, including various probability distributions (normal, binomial, Poisson, exponential, lognormal), probabilistic measures of system performance, data summaries (graphical and numerical), confidence intervals, hypothesis tests, regression analysis (single and multiple predictors), single-factor analysis of variance, and basic time-series analysis. Simulation modeling and analysis: Apply quantitative data science techniques (statistics, mathematics, computer science, and physics) to analyze naval capability portfolio performance, cost and optimization, multi-objective decision-making, sensitivity analysis.
Modeling & Simulation Developer ManTechModeling & Simulation DeveloperQuantico, VAAs a Modeling and Simulation (M&S) Developer, you will serve as a trusted advisor to our customers, ensuring the technical architecture of wargames is robust and reliable while directly shaping the tools used to prepare Marines for the future fight. + Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers via email, phone, and/or virtual communication, which may involve delivering presentations.
Systems Engineer - Modeling & Simulation Noblis IncSystems Engineer - Modeling & SimulationFt Belvoir, VA$176,800–$276,250 / yearCompensation at Noblis is determined by various factors, including but not limited to, the combination of education, certifications, knowledge, skills, competencies, and experience, internal and external equity, location, clearance level, as well as contract-specific affordability, organizational requirements and applicable employment laws. In this role, you will serve as a subject matter expert contributing to the full systems engineering lifecycle, driving technical rigor across analyses of alternatives, trade studies, and predictive capability assessments.
AI/ML Modeling, Simulation and Analysis Engineer PROVATOHR INCAI/ML Modeling, Simulation and Analysis EngineerSpringfield, VAFull timeSenior 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. ·Perform Gap analysis and methodologies to identify the implications of artificial intelligence and machine learning for the future of warfare, and the specific defense and security applications (e.g., intelligence analysis, command and control, targeting, autonomous systems, information operations, training and simulation) where AI will be most impactful.
Junior Model-Based Systems Engineer ManTechJunior Model-Based Systems EngineerStafford, VATo do that, MANTECH assists our customer to conduct the detailed systems engineering analysis, establishes technical policies and guidance across the Command, and manage the technical investigation and distributed planning required to deliver world class Marine Air Ground Task Force (MAGTF) systems capabilities to the warfighter. MANTECH is responsible for assisting our government customer and ensuring that material solutions developed or acquired by Marine Corps Systems Command (MCSC) are system engineered, integrated, interoperable, and certified to provide the warfighter with equipment required to accomplish their mission.
NewMaster Model Builder LEGO Discovery CentreMaster Model BuilderSpringfield, VirginiaFull timeDesign, build, install, repair, and maintain LEGO® models of all sizes, from MINILAND displays to life-sized creations. Our 31,000+ awesome colleagues create and play together to spark the imaginations of children and LEGO® fans of all ages, all around the world.
Modeling and Simulation Systems Engineer, Senior Booz Allen Hamilton IncModeling and Simulation Systems Engineer, SeniorAlexandria, VA$99,000–$225,000 / yearBachelor's degree in Systems Engineering, Applied Systems Engineering, or Engineering Management and 8+ years of experience with systems engineering, applied systems engineering, or engineering management, or 15+ years of experience with systems engineering, applied systems engineering, or engineering management in lieu of a degree. Onsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.
Model-Based Systems Engineer - Space Force Requirements The Aerospace CorpModel-Based Systems Engineer - Space Force RequirementsVA$117,300–$226,900 / yearThe Defense Systems Group (DSG) provides analysis-based decision support to senior leaders on space architectures, policy and strategy, technology development, warfighter capability enablers, systems integration, defense industrial base, and threat reduction to help shape existing and future space missions across the national security space (NSS) enterprise. DSG is unique at Aerospace as it not only directly supports major customers, including the U.S. Space Force, U.S. Space Command, Air Force Material Command, and senior leadership at the Pentagon, but also provides a broad range of technical support across the national space enterprise, maintaining vertical responsibilities with customers' portfolios as well as horizontal, matrixed responsibilities across the corporation.
Model Based Systems Engineer Actalent IncModel Based Systems EngineerManassas, VA$75–$90 / hourYou will contribute to an agile, incremental development program that maintains formal architecture and requirements baselines suitable for major design reviews such as PDRs and CDRs, while helping to define software and hardware requirements for a new, cutting-edge sensor system rather than maintaining legacy solutions. Headquartered in the United States, our teams span 150 offices across North America, EMEA, and APAC-with four delivery centers in India led by 1,000+ extraordinary employees who connect their passion with purpose every day.
Model Based Systems Engineer ArcfieldModel Based Systems EngineerDahlgren, 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. As an industry-leading solutions provider in digital engineering and model-based systems engineering (MBSE), the company delivers MBSE-as-a-Service, integrated digital engineering environment deployments, training and consulting to both commercial and public sector customers.
Model Based Systems Engineer Rite-Solutions IncModel Based Systems EngineerVAThere 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. Arcfield 's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, Short Term and Long-Term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.
Model Based Systems Engineer PeopleTec, Inc.Model Based Systems EngineerFort Belvoir, VAIf you have any difficulty using our online system and you need an accommodation due to a disability, you may use the following email address, applicationhelp@peopletec.com and/or phone number (256.319.3800) to contact us about your interest in employment with PeopleTec, Inc. PeopleTec, Inc. is an employee-owned small business founded in Huntsville, AL that provides exceptional customer support by employing and retaining a highly skilled workforce.
Senior Modeling and Simulation Systems Engineer Red Gate Group LtdSenior Modeling and Simulation Systems EngineerFort Belvoir, VAEducation: Bachelor's degree in Systems Engineering, Civil/Structural Engineering (with geo-mechanical focus), Physics, Applied Mathematics, Nuclear Engineering, Aerospace Engineering, or a highly relevant STEM discipline; Master's degree or Doctorate (Ph. Underground Facility (UGF) Modeling: Lead the development and execution of predictive simulations focusing on structural defeat, tunnel collapse, weapon penetration, and internal blast effects within complex UGFs and HDBTs.
DoD Supply Chain Modeler Paradigm Max Q LLCDoD Supply Chain ModelerStafford, VAFull timeParadigm Max Q is seeking a highly skilled Supply Chain Modeler with specialized experience in OPUS Suite or comparable Department of Defense (DoD) supply chain modeling tools. The ideal candidate will also bring strong analytical capabilities using Power BI, Tableau, JMP, or JMP Pro to support statistical modeling, predictive analytics, and logistics performance optimization.
Research Analyst - Entry-Level STEM PhD IDA Systems and Analyses CenterResearch Analyst - Entry-Level STEM PhDAlexandria, VA$113,353–$277,494 / yearThis position is located in Alexandria, VA, just outside Washington, D.C. IDA offers the following benefits and resources to their employees: Comprehensive benefits including diverse health insurance options, generous 10% contribution to retirement, maternity/paternity leave, 20 days paid time off, and relocation reimbursement; Mission-oriented work at a non-profit that supports and protects our warfighters; as a non-profit, IDA employees are eligible for Public Service Loan Forgiveness (PSFL); Professional development including tuition reimbursement, internal and external trainings, and funding for researcher-pitched projects and publications; A culture of work-life balance, including flex time, partial telework, and limiting work communication to core business hours; The opportunity to craft your own unique research portfolio of distinct value to the national security enterprise. The ideal candidate is comfortable performing detailed technical computations in order to answer specific sponsor questions, learning existing code packages and employing them in novel contexts, developing novel IDA-owned code packages to augment its analytic capabilities, and presenting their work in a clear, effective, and timely manner to high-ranking government officials.
NewSoftware Engineer - Front End Applied Information SciencesSoftware Engineer - Front EndAlexandria, VirginiaThe Software Engineer will be a key member of our IT support team, responsible for designing, developing, and deploying business applications and automation solutions using SharePoint Online (SPO) and Power Platform. Work & Complexity: Handles issues of moderate scope, builds and integrates external dependencies, reviews code, and contributes independently to project milestones.