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 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.
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.
Cost Analyst / Cost Modeling Subject Matter Expert (SME) - DOT BizFirstCost Analyst / Cost Modeling Subject Matter Expert (SME) - DOTWashingtonOwn the design, modernization, and monthly operation of cost allocation and rate models for a federal Working Capital Fund's IT shared-service portfolio — replacing legacy spreadsheet methodologies with transparent, documented, reproducible models that recover full cost, prevent cross-subsidization among 11 customer organizations, and target near-zero retained earnings. · Develop, modernize, and sustain cost allocation models for legacy (commodity) and newly incorporated programmatic IT shared services, with full data lineage from source financial data through cost pools, drivers, and allocation logic to final billing outputs.
Senior Modeling Engineer - TS/SCI Polygraph Required LeidosSenior Modeling Engineer - TS/SCI Polygraph RequiredReston, VirginiaThis 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.
Staff Engineer Thermal Modeling Baltimore Aircoil Company, Inc.Staff Engineer Thermal ModelingJessup, MD$90,000–$154,100 / yearPart timeThis engineer is charged with developing thermal models for BAC’s global product lines to address the thermal rating needs of the global engineering product platforms, new product introduction (NPI) initiatives, thermal modeling group scalability, innovation, sustaining activities, and regulatory certification. Experience developing thermal performance models for heat rejection equipment (cooling towers, dry coolers, dry condensers, evaporative coolers/condensers, adiabatic systems, and hybrid designs), incorporating airflow, heat transfer, and mass transfer behavior.
New2027 PhD Graduate - Computational Geospace Modeling Research Scientist Johns Hopkins Applied Physics Laboratory2027 PhD Graduate - Computational Geospace Modeling Research ScientistLaurel, MarylandFull timeThe successful candidate will have a demonstrable record of publishing original research in peer-reviewed journals, participation and leadership in proposal development, collaboration with multidisciplinary research teams, and contributions to externally funded research and development programs. Research activities include the development and coupling of large-scale numerical models, scientific software engineering, model validation, data assimilation, satellite drag prediction, upper-atmosphere dynamics, and comparisons with satellite and ground-based observations.
LOB Consumer Credit Risk Advisor - Data, Modeling & Analytics PNC BankLOB Consumer Credit Risk Advisor - Data, Modeling & AnalyticsTysons Corner, OhioManages and updates credit transaction models utilized within defined asset class and activity and ensures adherence to model management processes (i.e., model validation, testing, maintenance) by ensuring the appropriate resources are in place to adhere to guidance. Analytical Thinking, Commercial Real Estate, Competitive Advantages, Consumer Lending, Credit Risk Management, Data Analytics, Decision Making, Financial Operations, Portfolio Risk, Risk Appetite Competencies .
Enterprise Analytics and Modeling - Quantitative Modeling - Senior Manager Fannie MaeEnterprise Analytics and Modeling - Quantitative Modeling - Senior ManagerReston, District of Columbia$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.
Principal CFD Modeling Engineer Jensen HughesPrincipal CFD Modeling EngineerBaltimore, MarylandToday, our expertise extends broadly across closely related security and risk-based fields – from accessibility consulting and risk analysis to process safety, forensic investigations, security risk consulting, emergency management, digital innovation and more. This role is designed for an expert practitioner with deep mastery of the Fire Dynamics Simulator (FDS) who is motivated by solving complex, real-world fire and fluid-flow problems through rigorous, physics-based modeling and experimental validation.
Technical SETA SME – Machine Learning, Modeling & Simulation GuidehouseTechnical SETA SME – Machine Learning, Modeling & SimulationBethesda, MarylandCompensation decisions depend on a wide range of factors, including but not limited to skill sets, experience and training, security clearances, licensure and certifications, and other business and organizational needs. Master’s degree or PhD in physics, mathematics, computer science, or relevant engineering fields (electrical, computer, systems, software) with FOUR (4) or more years of work experience.
Technical Seta SME - Machine Learning, Modeling & Simulation GuidehouseTechnical Seta SME - Machine Learning, Modeling & SimulationBethesda, MD$98,000–$163,000 / yearCompensation decisions depend on a wide range of factors, including but not limited to skill sets, experience and training, security clearances, licensure and certifications, and other business and organizational needs. What Would Be Nice To Have: Master's degree or PhD in physics, mathematics, computer science, or relevant engineering fields (electrical, computer, systems, software) with FOUR (4) or more years of work experience.
Aircraft Propulsion Flow Modeling Engineer PeratonAircraft Propulsion Flow Modeling EngineerGovernment Site, Maryland$112,000–$179,000 / yearFull timeCFD Tool Experience: Working knowledge and experience with CharLES and/or Large Eddy Simulation (LES) tools for modeling aircraft-related flows or gas turbine engine flows. Current projects include the need to reduce flow separation, predict flow induced forcing on nozzles and inlets, and analyze heat transfer for current and future Navy aircraft systems.
Principal Engineer, Advanced Thermal Modeling Baltimore Aircoil Company, Inc.Principal Engineer, Advanced Thermal ModelingJessup, MDFull timeThe Global Advanced Digital Engineering team is Baltimore Aircoil Company’s (BAC) engine, combining domain SME, software, and automation expertise to build modular, scalable, and reusable engineering capability, including models, methods, tools, CAD and simulation environments, workflows, and digital architectures that improve speed, quality, and consistency of engineering outcomes across BAC’s products, applications, and digital ecosystems. The role spans unit-level physics, system-level performance, and cost-of-ownership modeling, with accountability for modeling strategy, architecture, and delivery through direct contribution and team execution, and translates thermodynamic and heat transfer expertise into scalable modeling frameworks, simulation tools, and validated methods.
Staff Engineer, Advanced Thermal Modeling Baltimore Aircoil Company, Inc.Staff Engineer, Advanced Thermal ModelingJessup, MD$98,400–$168,900 / yearPart timeThe Global Advanced Digital Engineering team is Baltimore Aircoil Company’s (BAC) engine, combining domain SME, software, and automation expertise to build modular, scalable, and reusable engineering capability, including models, methods, tools, CAD and simulation environments, workflows, and digital architectures that improve speed, quality, and consistency of engineering outcomes across BAC’s products, applications, and digital ecosystems. The Staff Engineer, Advanced Thermal Modeling reports to the Principal Engineer, Advanced Thermal Modeling, and operates across BAC’s product portfolio, applications space, and global regions, requiring close coordination with NPI, CPI, Advanced Applications, and Global and Regional business teams, balancing deep technical contribution with cross-functional impact.
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.
Deals Services - Manager, Strategic Finance And Fp&A, Advanced Decision Modeling RSMDeals Services - Manager, Strategic Finance And Fp&A, Advanced Decision ModelingBaltimore, MD$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.
Principal / Senior Modeling Simulation & Performance Analysis Systems Engineer Northrop GrummanPrincipal / Senior Modeling Simulation & Performance Analysis Systems EngineerBaltimore, MD$108,800–$163,200 / yearBasic Qualifications for Senior Principal Modeling Simulation & Performance Analysis Systems Engineer: Bachelor's degree with 8 years of experience, a Master's degree with 6 years of experience or a PhD with 4 years of experience in Science, Technology, Engineering or Mathematics or related technical fields; an additional 4 years of experience may be considered in lieu of a degree. Basic Qualifications for Principal Modeling Simulation & Performance Analysis Systems Engineer: Bachelor's degree with 5 years of experience, a Master's degree with 3 years of experience or a PhD with 1 year of experience in Science, Technology, Engineering or Mathematics or related technical fields; an additional 4 years of experience may be considered in lieu of a degree.
NewAssociate Director of Data and Modeling AxleAssociate Director of Data and ModelingRockville, MD$150,000–$190,000 / yearAI/ML and Emerging Methods: Lead the development of AI/ML capabilities where they can create measurable scientific or operational value, including predictive modeling, computer vision, natural language processing, large language models, retrieval-augmented generation, and agentic workflows. This role will lead teams working across data engineering, artificial intelligence and machine learning, scientific computing, and modeling and simulation to build capabilities that make complex research data more useful, reproducible, and actionable.