NewLead, Mechanical Engineer L3Harris TechnologiesLead, Mechanical EngineerMillersville, MDTechnical leadership of the Mechanical Engineering team throughout the full program lifecycle including design, development, manufacturing, formal hardware qualification, integration and test, transition to production, and production support. The salary range for this role in Colorado state, Hawaii, Illinois, Maryland, Minnesota, New York state, Cleveland Ohio, Vermont and Virginia is [$135,000 MIN - $215,000 MAX].
Mechanical Engineer II ( MD) Johnson Service GroupMechanical Engineer II ( MD)Hagerstown, MDSkills: Must-haves: Practical Knowledge of engineering principles and practices Experience with Computer Aided Engineering tools (CATIA V5/V6 preferred)Familiarity working in multi-disciplinary design and development teamsThe ability to obtain and maintain a Secret U.S. Security Clearance is required. Working Conditions: Rarely exposed to outdoor elements (high/low temperatures, sun, rain/snow, etc.)Rarely exposed to fumes or hazardous chemicals/materials.
Model-Based Systems Engineer LeidosModel-Based Systems EngineerRockville, MD$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.
NewLead Systems Engineer SYSTEMS PLANNING AND ANALYSIS, INC.Lead Systems EngineerAshton, MDThe successful candidate will support NAVSEA and be responsible for developing, fielding, and sustaining operationally superior weapons systems / combat systems and performing the full spectrum of systems engineering, modeling and simulation, test and evaluation, life cycle support, combat system integration, and production engineering to provide quality systems engineering and integration for the Department of Defense. Comprising more than 130 personnel, the Integrated Warfare Systems Group (IWSG) delivers expertise across program and project management, acquisition and contracting, systems and digital engineering, software development, test and evaluation, sustainment and life‑cycle management, cybersecurity, international/Foreign Military Sales, strategic communications, and IT services.
Lead Systems Engineer DCS CorpLead Systems EngineerAberdeen, Maryland$123,639–$222,211 / yearSustainment and refreshment of capabilities; Configuration management, planning and strategy meetings, program review and coordination meetings; General systems engineering, systems implementation planning and system test and evaluation services; Prepare specifications, plans, analyses, modeling, testing, simulations and reports; Review engineering output in the areas of systems level operation and maintenance procedures, performance improvements criteria, tools assessments, metrics management, quality assurance, configuration management, technical orders, and maintenance practices; Conduct systems engineering trade-off analysis; Provides analysis related to the design, development, and integration of hardware, software, man-machine interfaces and all the systems level requirements to provide an integrated solution. Pay Range and Benefits: There are a variety of factors that can influence salary at DCS Corp, including but not limited to, geographic location, Federal Government contract labor categories and wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.
Computational Soft Matter Modeler Johns Hopkins Applied Physics Laboratory (APL)Computational Soft Matter ModelerLaurel, MD$105,000–$290,000 / yearDevelop and use models of macromolecules to determine relationships between structure and function across a variety of length and time scales, from enzymatic activity and chemical reactivity, to large-scale mechanical properties and flow. We are seeking a Computational Soft Matter Modeler to help model key physical processes in complex systems involving soft materials, including polymers and biopolymers, to solve impactful challenges.
Simulation Software Engineer Johns Hopkins University Applied Physics Laboratory LLCSimulation Software EngineerLaurel, MDHave experience in one or more of the following areas: high performance computing (HPC); Nvidia CUDA or other GPU programming; FPGA programming; highly concurrent systems; signal processing; writing software that interfaces with embedded systems hardware or other hardware-in-the-loop (HIL) simulations. The Strike Guidance, Navigation, Control, and Seekers group is looking for a Simulation Software Engineer to help us architect, develop, and modernize physics-based simulations across a wide-ranging set of programs.
Simulation Software Engineer Johns Hopkins Applied Physics LaboratorySimulation Software EngineerLaurel, MarylandFull timeHave experience in one or more of the following areas: high performance computing (HPC); Nvidia CUDA or other GPU programming; FPGA programming; highly concurrent systems; signal processing; writing software that interfaces with embedded systems hardware or other hardware-in-the-loop (HIL) simulations. The Strike Guidance, Navigation, Control, and Seekers group is looking for a Simulation Software Engineer to help us architect, develop, and modernize physics-based simulations across a wide-ranging set of programs.
Front-End Software Developer – Modeling & Simulation / HITL BTS Software SolutionsFront-End Software Developer – Modeling & Simulation / HITLAberdeen, MDYou'll work closely with modeling and simulation engineers, embedded developers, hardware engineers, and systems engineers to translate complex technical workflows into usable software. BTS is seeking a Front-End Software Developer – Modeling & Simulation / HITL to provide intelligence support, supporting the Intelligence and Information Warfare Directorate (I2WD) at Aberdeen Proving Ground .
Front-End Software Developer – Modeling & Simulation / HITL Darkblade Systems, LLCFront-End Software Developer – Modeling & Simulation / HITLAberdeen Proving Ground, Maryland$180,000–$200,000 / yearFull timeWork closely with modeling and simulation engineers, embedded developers, hardware engineers, and systems engineers to translate complex technical workflows into usable software. The actual salary offered may vary based on various factors including but not limited to relevant experience, knowledge, skills and abilities, education, geographic location, as well as internal equity, and alignment to market data.
Sr. Software Developer (Real-Time Simulation & Dev Lab) - 27748 Huntington Ingalls Industries IncSr. Software Developer (Real-Time Simulation & Dev Lab) - 27748California, MD$128,989–$185,000 / yearSupport training, troubleshooting, and operational use of JSE components alongside government personnel.\n \nWhat you must have\n\n 9 years relevant experience with Bachelors in related field; 7 years relevant experience with Masters in related field; 4 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 13 years relevant experience.\n Strong experience in object\u2011oriented software development, primarily in C++.\n Hands-on experience using Git (branching, merging, conflict resolution).\n This role is ideal for an experienced C++ engineer who enjoys solving complex technical problems, contributing to large\u2011scale simulation systems, and working closely with operators, engineers, and mission stakeholders.\n \nImpact\n \nYour work directly strengthens the Navy's ability to train, test, and evaluate next\u2011generation capabilities in realistic multi\u2011domain environments.
Front-End Software Developer – Modeling & Simulation / HITL CIS SecureFront-End Software Developer – Modeling & Simulation / HITLAberdeen Proving Ground, Maryland$180,000–$200,000 / yearFull timeWork closely with modeling and simulation engineers, embedded developers, hardware engineers, and systems engineers to translate complex technical workflows into usable software. The actual salary offered may vary based on various factors including but not limited to relevant experience, knowledge, skills and abilities, education, geographic location, as well as internal equity, and alignment to market data.
Sr. Software Developer (Real-Time Simulation & Dev Lab) - 27748 HII Mission Technologies DivisionSr. Software Developer (Real-Time Simulation & Dev Lab) - 27748California, MD$128,989–$185,000 / year9 years relevant experience with Bachelors in related field; 7 years relevant experience with Masters in related field; 4 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 13 years relevant experience. As part of an on‑site team supporting NAWCAD, you will design, enhance, and maintain critical software components used across the JSE ecosystem—including NGTS, DIADS, GRID, and other constructive and virtual simulation frameworks.
Front-End Software Developer -- Modeling & Simulation / HITL Parra Consulting Group IncFront-End Software Developer -- Modeling & Simulation / HITLAberdeen Proving Grounds, MDParra Consulting Group (PCG) is seeking a Front-End Software Developer -- Modeling & Simulation / HITL to develop modern software interfaces supporting modeling and simulation, hardware-in-the-loop (HITL), and advanced engineering environments for critical national security missions. Experience supporting modeling and simulation (M&S) Experience developing software for hardware-in-the-loop (HITL) or software-in-the-loop (SITL) Experience visualizing or interacting with real-time telemetry, sensor data, system state, or simulation outputs.
2027 PhD Graduate - Autonomous Systems Design Engineer: Controls, Navigation, Sensors, and Simulation Johns Hopkins University Applied Physics Laboratory LLC2027 PhD Graduate - Autonomous Systems Design Engineer: Controls, Navigation, Sensors, and SimulationLaurel, MDIf so, the Strike Guidance, Navigation, Controls (GNC), and Seekers group is looking for PhDs who are pursuing degrees in Aerospace Engineering, Mechanical Engineering, Electrical Engineering, Software Engineering, Systems Engineering, Physics, Mathematics, or Computer Science. APL 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.
Modeling and Simulations Software Developer BAE Systems PlcModeling and Simulations Software DeveloperCalifornia, MD$72,150–$122,655 / yearAbout BAE Systems Intelligence & Security BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. The M&S Software Developer develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems) based upon documented requirements.
Senior Missile Modeling and Simulation Engineer Johns Hopkins University Applied Physics Laboratory LLCSenior Missile Modeling and Simulation EngineerLaurel, MDYou will join a talented and complementary team of engineers in the Flight Systems Performance group in the Force Projection Sector who work on a wide range of exciting challenges and technologies for various government sponsors like the US Navy and US Air Force. If so, we are seeking an engineer to help us develop modeling and simulation tools, including 3 Degree of Freedom (DoF) and 6DoF simulations, and interface with Hardware-in-the-Loop (HWIL) test environments, for strategic flight systems.
Lethality Modeling & Simulation Engineer Johns Hopkins University Applied Physics Laboratory LLCLethality Modeling & Simulation EngineerLaurel, 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 Integration Engineer Johns Hopkins University Applied Physics Laboratory LLCModeling and Simulation Integration EngineerLaurel, MDYour primary responsibility will be to evaluate precision strike platform effectiveness by developing, using, and integrating together an assortment of medium to high fidelity engagement-level modeling and simulation tools across multiple technical specialty areas. APL 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.
Modeling and Simulation Engineer (Intermediate) NextGen Federal SystemsModeling and Simulation Engineer (Intermediate)Aberdeen, MarylandAbout NextGen: NextGen Federal Systems is an innovative technology and professional services provider specializing in advanced software solutions and comprehensive mission and business support services. Familiarity with engineering hardware analysis tools (Spectrum Analyzers, Oscilloscopes, Network Analyzers) and hardware connectivity and protocols.