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.
NewSenior Manager, Product - Primary & Advanced Models ATCCSenior Manager, Product - Primary & Advanced ModelsGaithersburg, MarylandRemote$140,000–$160,000 / yearFull timeThe role develops and executes product strategies, multi-year roadmaps, portfolio plans, commercialization approaches, pricing strategies, and lifecycle plans that support revenue growth, customer adoption, and market competitiveness across biomedical research, drug discovery, disease modeling, toxicology, precision medicine, and cell and gene therapy markets. This remote role is responsible for the commercial success and lifecycle management of ATCC’s advanced cellular models and primary cell product portfolio, including organoids, induced pluripotent stem cells, 3D culture systems, hepatocytes, and PBMCs.
Deals Services - Manager, Strategic Finance and FP&A, Advanced Decision Modeling RSM US LLPDeals 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.
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.
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.
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. .
Network Modeling And Simulation Technician CACI International Inc.Network Modeling And Simulation TechnicianSterling, VA$120,800–$265,800 / yearPay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. The successful candidate will be responsible for developing and executing complex network models and simulations to optimize network performance, capacity, and reliability across various technologies.
Aerospace Modeling & Simulation Software Engineer (TS/SCI) VantorAerospace 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.
Onestream Modeling Specialist Developer, Senior Consultant DeloitteOnestream Modeling Specialist Developer, Senior ConsultantBaltimore, MD$105,000–$207,000 / yearAs a OneStream Modeling Specialist Developer on the Business Finance team, you will be responsible for designing, developing, and maintaining OneStream workforce planning solutions that support budget and finance business processes. The wage range for this role 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.
Sr. Systems Engineer - Modeling Woodside Staffing SolutionsSr. Systems Engineer - ModelingMcLean, VAThe role focuses on TeamWork Cloud, Cameo, cloud-based application deployment, CI/CD automation, databases, identity integration, testing, and interoperability across enterprise engineering tools. Experience configuring, deploying and maintaining COTS applications/tools systems engineering experience (configuring/deploying AaC using CI/CD pipeline in a cloud-based environment).
Sr. Aerospace Modeling & Simulation Engineer VantorSr. 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. .
Risk Modeling Services P&C - Director PwCRisk Modeling Services P&C - DirectorBaltimore, MD$134,000–$348,500 / yearPwC does not intend to hire experienced or entry level job seekers who will need, now or in the future, PwC sponsorship through the H-1B lottery, except as set forth within the following policy: https://pwc.to/H-1B-Lottery-Policy . As a Director, you will set the strategic direction, oversee multiple projects, and cultivate impactful executive-level client relations while mentoring the next generation of leaders.
Senior Analyst (Modeling & Simulation) WILLCORSenior Analyst (Modeling & Simulation)MarylandThis position involves configuring and maintaining M&S lab systems, conducting data analysis, and developing insightful reports and presentations to support decision-making and project execution. We are seeking an experienced and highly skilled Senior Analyst (Modeling & Simulation) to support a cutting-edge Modeling & Simulation (M&S) lab.
Modeling, Simulation, and Analysis Intern Mitre CorpModeling, Simulation, and Analysis InternMcLean, VA$46,500–$58,000 / yearDegree program should be in a relevant field such as Computer Science, Software Engineering, Data Science, Math, Statistics, Operations Research, Geospatial Science, Economics, Industrial Engineering, Computational Social Science, or a related discipline. With objectivity and integrity at our core, we lead federally funded research and development centers for U.S. government agencies - collaborating with industry and academia to deliver integrated, high-impact solutions that advance our nation's health, security, and prosperity.
Aerospace Modeling & Simulation Software Engineer (TS/SCI) Maxar Technologies Inc (Inactive)Aerospace Modeling & Simulation Software Engineer (TS/SCI)Herndon, VA$116,000–$275,000 / yearThis 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.
Postdoctoral Fellow in Medical Image Segmentation and Multiphysics Modeling for MR-Guided Brain Hyperthermia - Radiation Oncology University of Maryland School of MedicinePostdoctoral Fellow in Medical Image Segmentation and Multiphysics Modeling for MR-Guided Brain Hyperthermia - Radiation OncologyBaltimore, MDDr. Rodrigues brings 18 years of research experience in computational modeling, applicator design, and experimental validation, together with more than 12 years of clinical hyperthermia experience and leadership service in major international thermal therapy societies. The fellow will also develop and evaluate multiphysics computational models coupling microwave electromagnetic energy deposition with bioheat transfer to predict specific absorption rate and temperature distributions in the brain and surrounding tissues.
Modeling and Simulation Engineer Mitre CorpModeling and Simulation EngineerMcLean, VA$129,200–$161,500 / yearKey sponsors of the Department work program include CPE Simulation, Training, Test, & Threat (Orlando, FL), CPE Ground - Soldier Systems (Fort Belvoir, VA), CPE Ground - Combat Platforms and DEVCOM Ground Vehicle Systems Center (Ann Arbor, MI), DEVCOM Soldier System Center (Natick, MA), PAE Fires and CPE Aviation (Huntsville, AL), Army Test and Evaluation Command (Aberdeen Proving Ground, MD) and CPE Chemical, Biological, Radiological and Nuclear Defense (Edgewood, MD). The work programs leverage a diverse set of technical disciplines from within the Department and across the corporation to maximize our impact in solving some of the Army's toughest modernization challenges in the areas of systems engineering, agile software development, test and evaluation, digital engineering, autonomous systems, and training.
Mission Modeling and Simulation, Lead Mitre CorpMission Modeling and Simulation, LeadMcLean, VA$155,200–$194,000 / yearMITRE Technology and Engineering (MTE) System Engineering Technical Division is seeking an experienced, highly motivated Lead Mission Modeling and Simulation Engineer to support defense mission engineering, system of systems analysis, and decision-support activities for complex operational missions. Experience evaluating kinetic and non-kinetic mission operations, including one or more of the following domains: air, maritime, land, space, cyber, electromagnetic spectrum operations, communications, command and control, fires, logistics, ISR, autonomy, or integrated air and missile defense.
2027 Internship - System Modeling, Evaluation, and Planning Group (KFA) Johns Hopkins University Applied Physics Laboratory LLC2027 Internship - System Modeling, Evaluation, and Planning Group (KFA)Laurel, MDHave had coursework/are experienced in - parameter estimation, flight dynamics, guidance, navigation, or control, radiation environments, the principles of radiation interactions with matter, optimization and numerical methods, high energy particle physics, thermal mechanical engineering, nuclear engineering, nuclear weapon effects, or plasma physics. Have programming & simulation experience - You can code in at least one scientific language (Python, MATLAB, Julia, C++, etc.), have experience with version control systems such as gitlab or github, and have built or used simulation models, numerical solvers, or data‑analysis pipelines.
Junior Modeling and Simulation Engineer BlueHalo CareerJunior Modeling and Simulation EngineerAnnapolis Junction, MarylandDetermination of official compensation or salary relies on several factors including, but not limited to, level of position, job responsibilities, geographic location, scope of relevant work experience, educational background, certifications, contract-specific affordability, organizational requirements, alignment with local internal equity as well as alignment with market data. In this position you will execute model-based air and missile defense analysis supporting the MDA Engineering’s Architecture Validation/International team’s joint analysis with international partners.