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.
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.
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.
Principal Engineer, Advanced Thermal Modeling Baltimore Aircoil Company, Inc.Principal Engineer, Advanced Thermal ModelingJessup, MD$108,200–$185,200 / 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 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.
Principal CFD Modeling Engineer Jensen HughesPrincipal CFD Modeling EngineerBaltimore, Maryland$90,000–$197,000 / yearToday, 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.
Skillbridge Principal / Senior Modeling Simulation & Performance Analysis Systems Engineer Northrop GrummanSkillbridge Principal / Senior Modeling Simulation & Performance Analysis Systems EngineerBaltimore, MD$108,800–$163,200 / yearBasic Qualifications for Skillbridge 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 Skillbridge 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.
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 / 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.
Radar Modeling Engineer AstrionRadar Modeling EngineerColumbia, Maryland$130,000–$180,000 / yearUnderstand customer requirements, demonstrate the capability to customers and stakeholders, and potentially lead a team of engineers and software developers to design and develop these simulation solutions. Five (5) years of experience in the design of, or analysis of sensor systems, seekers, electronic warfare systems, or weapon systems.
Analytics And Insights Engineer II, Data Science And Model Development DeloitteAnalytics And Insights Engineer II, Data Science And Model DevelopmentRosslyn, VA$102,500–$170,900 / yearThis compensation range is specific to Virginia and takes into account the wide range of factors that are considered in making compensation decisions including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs. Serving federal, state, & local government clients as well as public higher education institutions, our team of professionals brings fresh perspective to help clients anticipate disruption, reimagine the possible, and fulfill their mission promise.
Analytics and Insights Engineer II, Data Science and Model Development DeloitteAnalytics and Insights Engineer II, Data Science and Model DevelopmentRosslyn, VAFull timeThis compensation range is specific to Virginia and takes into account the wide range of factors that are considered in making compensation decisions including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs. Serving federal, state, & local government clients as well as public higher education institutions, our team of professionals brings fresh perspective to help clients anticipate disruption, reimagine the possible, and fulfill their mission promise.
NewModel Based Systems Engineer Cyber Offset Alliance LLCModel Based Systems EngineerGreenbelt, MDThis position requires a familiarity with architectural frameworks such as DoDAF, MoDAF and ToGAF; expertise in deriving SysML models from architectural models; a minimum of 10 years of experience in SysML modeling and simulation; a tool-agnostic modeling and simulation skillset; experience systematically tracing/linking model elements to requirements, tasks, test artifacts, and other MBSE objects. We foster an environment where team members are supported in their career development and given the tools they need to succeed.\r\n\r\nJoining our team means working alongside experienced professionals on projects that matter.
Post-Doctoral Research in Modeling Accretion on to Black Hole Binaries Vets HiredPost-Doctoral Research in Modeling Accretion on to Black Hole BinariesBaltimore, MarylandThe role involves advancing numerical simulations of circumbinary accretion, exploring new physical regimes, and analyzing the resulting orbital evolution and multi-messenger observational signatures in preparation for upcoming astronomical surveys and observatories. The researcher will work closely with a collaborative team of scientists and will have opportunities to pursue independent research or initiate new projects in related areas.
Skillbridge Principal / Senior Principal Radar Modeling Simulation Analysis Systems Engineer Northrop GrummanSkillbridge Principal / Senior Principal Radar Modeling Simulation Analysis Systems EngineerBaltimore, MD$108,800–$163,200 / yearWe strive to attract and retain the best employees by providing an inclusive work environment wherein employees are receptive to diverse ideas, perspectives, and talents to help solve our toughest customer challenges: to develop and maintain some of the most technically sophisticated products, programs, and services in the world. This program provides comprehensive hands-on experience including professional development, networking with leadership, and training specifically focused on NG leadership principles, company history, customer/stakeholder engagement, product and service overview, and core job responsibilities.
NewPrincipal / Senior Principal Radar Modeling Simulation Analysis Systems Engineer Northrop GrummanPrincipal / Senior Principal Radar Modeling Simulation Analysis Systems EngineerBaltimore, MD$108,800–$163,200 / yearWe strive to attract and retain the best employees by providing an inclusive work environment wherein employees are receptive to diverse ideas, perspectives, and talents to help solve our toughest customer challenges: to develop and maintain some of the most technically sophisticated products, programs, and services in the world. Integrate MS&A with operational flight software, collecting and analyzing data from laboratory or flight tests, the verification and validation of simulation performance against flight test data, and formally verifying that the models meet specified requirements.
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.
NewRadar Modeling Simulation Analysis Systems Engineer Northrop GrummanRadar Modeling Simulation Analysis Systems EngineerBaltimore, MDWe strive to attract and retain the best employees by providing an inclusive work environment wherein employees are receptive to diverse ideas, perspectives, and talents to help solve our toughest customer challenges: to develop and maintain some of the most technically sophisticated products, programs, and services in the world. Basic Qualifications: Bachelor's Degree with 2 years of experience, Master's degree with 0 years of experience in Science, Technology, Engineering, Mathematics or related technical fields; an additional 4 years of experience may be considered in lieu of a degree.
NewStaff Radar Modeling Simulation Analysis Systems Engineer Northrop GrummanStaff Radar Modeling Simulation Analysis Systems EngineerBaltimore, MD$169,000–$253,600 / yearWe strive to attract and retain the best employees by providing an inclusive work environment wherein employees are receptive to diverse ideas, perspectives, and talents to help solve our toughest customer challenges: to develop and maintain some of the most technically sophisticated products, programs, and services in the world. Integrate MS&A with operational flight software, collecting and analyzing data from laboratory or flight tests, the verification and validation of simulation performance against flight test data, and formally verifying that the models meet specified requirements.
Structural Engineer - Blast Modeling MarkonStructural Engineer - Blast ModelingWashington, DC, Washington, DC$135,000–$150,000 / yearFull timeThe Structural Engineer will provide engineering and project support for site and building security initiatives and collaborate with multidisciplinary architecture, engineering, and construction (AEC) teams, third-party contractors, and government stakeholders. Our growing reach extends across 17 states, 116 countries, and 5 continents, where our team of dynamic professionals collaborates to deliver unparalleled program and project management services.