E01-J01 Software Engineer- Physical Modeling & Simulation Engineer
EXPANSIA
Job Description
Job Description
Start Date: Immediate
JHNA, CTSi, and EXPANSIA have come together to form a Defense Technology platform named Aether Aerospace focused on delivering high-impact technologies, technology-enabled services and advanced manufacturing solutions to the U.S. Department of Defense and related national security customers. Backed by Falfurrias Management Partners, the platform brings together deep domain expertise across Army, Navy, and Air Force and Space Force programs, digital engineering, systems integration, and specialized manufacturing capabilities.
The combined organization operates as a multi-entity aerospace and defense technology and tech-enabled services and manufacturing enterprise positioned for scalable growth, operational excellence, and long-term value creation.
OVERVIEW
Full-time/Permanent Employee
Location: On-Site, Fort Eustis, VA
Aether Aerospace is seeking a Physical Modeling & Simulation Engineer to support our Aviation customer within the Mission Systems Division (MSD), Technology Development Directorate-Aviation - Systems Integration Division, located at Fort Eustis.
This position supports MSD's Engagements, Effects and Survivability Team, providing advanced analytical expertise to assess technologies supporting Aviation engagements, effects, survivability, mission effectiveness, and emerging capability gaps across current and future Army Aviation operational environments.
The ideal candidate brings deep experience applying AFSIM and related M&S tools to real-world military problems and works effectively at the intersection of operational analysis, technology development, and mission survivability.
RESPONSIBILITIES
Assist the Government in identifying and addressing existing and emerging capability gaps by evaluating new operational concepts, tactics, and techniques enabled by advanced aviation technologies.
Conduct operational task analysis and collaborate closely with Government engineers, analysts, and technology developers to: Analyze required capabilities, allocate technologies to mission capabilities, Identify technology shortfalls, Support development of technical requirements.
Support development, integration, and execution of modeling and simulation environments for manned–unmanned teaming, survivability, and mission effectiveness analysis.
Assist in scenario design, scripting, and test vignette development to exercise advanced autonomy, teaming behaviors, and threat interactions.
Provide engineering support for software integration testing and model verification within live, virtual, and constructive simulation frameworks.
Conduct mission-level survivability and effectiveness assessments using government-approved M&S tools to evaluate advanced threats and countermeasures.
Support post-simulation data analysis and report generation documenting findings, limitations, and recommendations.
Assist with risk assessments and substantiation documentation supporting test readiness and simulation credibility.
Plan and execute Modeling & Simulation (M&S) studies and other analytical efforts in support of survivability and mission effectiveness assessments.
Support model credibility, verification, validation, and configuration control activities by preparing and presenting technical artifacts to Validity Control Boards (VCBs), documenting model assumptions and limitations, and implementing VCB-approved changes to AFSIM and other Government-directed modeling and simulation tools.
Perform M&S and analytical evaluations, analyze resulting data, and author clear, concise reports communicating findings to Government users, warfighters, and technology developers.
Conduct survivability and mission effectiveness analysis using Government-provided software tools, including but not limited to: AFSIM, MACE, ATCOM, SAINT, ECHO, BlueMax, DREAM, HIVE, VBMS
Develop and maintain high-fidelity, large-area terrain databases to support M&S tools and survivability analyses.
Architect, manage, and administer M&S files, models, and datasets to enable secure storage, rapid retrieval, and reuse on both classified and unclassified Government systems.
Conduct optimization analyses to evaluate parameters of interest (e.g., probability of detection, survivability metrics, mission success), including identifying minimum or maximum values of defined objective functions.
Maintain familiarity with current and emerging capability development documents, operational needs statements, and related Army Aviation requirements.
Support the Government in coordinating and communicating analytical results with external stakeholders, including technology developers, operational users, and transition partners.
Clearance: Active Secret clearance
Education: Bachelor's degree in Computer Science, Engineering, Mathematics, Physics, Operations Research, or a related technical discipline.
Skilled in C-Sharp, C++ and related coding software
Experience supporting defense, aerospace, or government analytical efforts (or equivalent experience aligned to a Software Engineer III/IV labor category).
Demonstrated experience conducting Modeling & Simulation–based analysis, with strong emphasis on AFSIM.
Experience supporting mission effectiveness and survivability analysis in a military or defense context.
Ability to independently plan and execute analytical studies and clearly communicate technical results in written and verbal formats.
Familiarity with working in classified and unclassified DoD environments.
There are a host of factors that can influence final salary including, but not limited to, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, geographic location, education, and certifications.
Aether Aerospace is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.
- Sedaro is seeking Modeling & Simulation Engineers in Arlington, VA to develop high-fidelity simulation software for aerospace technology. Candidates should have a background in physics or engineering and be proficient in software development, data validation, and analysis...Suggested
- ...Sedaro is hiring Junior-Staff Modeling & Simulation Engineers to build the high fidelity simulation software that powers our cutting-edge simulation platform and help transform... ...a week Requirements Bachelor’s degree in physics, applied math, engineering, or similar...SuggestedContract workFlexible hours3 days per week
$150k - $200k
...Position Overview QinetiQ US is seeking a Senior Modeling and Simulation Engineer to provide technical and programmatic support to a... ...specifically within M&S - Bachelor's degree in engineering, physics or similar field - Previous experience using...SuggestedWork experience placementWork at office$98.5k - $206.8k
...The Opportunity We are seeking a Modeling and Simulation (M&S) subject matter expert and small team leader to assist simulation development... ...scientific methods. Qualifications Accredited degree in physics, engineering, computer science, applied math, or similar discipline...Suggested$115k - $160k
...Equity Overview Sedaro is hiring a Lead Modeling & Simulation Engineer to build the high fidelity simulation software that powers our cutting-edge simulation platform... ...experience ~ Bachelor's degree in physics, applied math, engineering, or similar ~ Proficiency...SuggestedContract workFlexible hours3 days per week$86.8k - $198k
...Modeling and Simulation Systems Engineer, Senior The Opportunity: Are you looking for an opportunity to combine your technical skills with big picture... ..., while broadening your skillset into areas like physics-based modeling and simulation and digital engineering....Full timeContract workPart timeWork at officeLocal areaRemote work- Senior Software Engineer, World Modeling & Simulation Architect and implement the core world representation and simulation layer for autonomy stack Location... ..., simulation, or virtual environments Knowledge of physics engines and collision detection systems...For contractorsFor subcontractor
- Sedaro is hiring a Junior-Staff Modeling & Simulation Engineer in Arlington, VA. The role involves developing high-fidelity simulation software for diverse complex systems and requires collaborative skills with interdisciplinary teams. Candidates should have a Bachelor’...
- ...As a Modeling, Simulation, and Algorithms Engineer focused on Mission Tactics at Swarm Aero, you will design and simulate tactical behaviors for autonomous... ...teammates to ensure interoperation of simulation & software and modeling accuracy Present tactical insights to...Permanent employmentWork at officeRemote workFlexible hours
- ManTech seeks a motivated C++ Software Developer to join our team in Arlington, VA. This is an onsite position integral to developing simulation software for the US Air Force. Responsibilities include maintaining C++ applications, participating in Agile methodologies,...
$112k - $122k
A government services provider is seeking a Junior Engineer Simulations with a TS/SCI security clearance to support operations at the Pentagon in Arlington, VA. Responsibilities include modeling and simulation visualization, and expertise in web technologies like HTML,...- ...APEX TK is seeking a highly motivated and skilled Modeling & Simulation Engineer to join our team supporting a critical government client. This... ...in a STEM related field such as Engineering, Mathematics, Physics, Aerospace, Computer Science, etc. ~ Active Top Secret/...Full time
- Radiance Technologies in Dahlgren, VA, is seeking a Software Engineer to join our Enhanced Modeling and Simulation team. This role involves researching and developing machine learning algorithms and optimizing systems through scientific analysis. Applicants should have...
- Applied Intuition is seeking a Senior Software Engineer to architect the world representation... ...you’ve built spatial worlds for games, simulations, or autonomous systems, you’ll define... ...computational geometry, real-time world modeling, and large-scale simulation. #J-18808...
- ...impact on the world of technology. Application Engineer - Presales of CAE Simulation software with focus on multi-physics. Skillset required for products like Nastran,... ...challenges related to solver fidelity, scalability, model complexity, numerical stability, and...
$157k - $224k
...STR is hiring a Lead Model-Based Systems Engineer (MBSE) in our Woburn, MA office... ...ability to work with complex software systems and the... ...computer science, mathematics, physics, and data science. The ideal... ...techniques, Modeling and Simulation, software-based systems, Digital...Full timeWork experience placementWork at officeLocal areaRemote workFlexible hours- ...Job Description The Engineer will play a key role on the TRAX, LLC Engineering... ...testing power or process plant models using ProTRAX or other simulation software. This position will also be... ...optimizing individual performance. Physical Demands and Working Conditions Work...Full timeWork at office
- ...Solutions is looking for a Software Developer to join our team.... ...contractor for NASA Langley’s Simulation and Aircraft Service Task Order... ...are looking for a software engineer experienced in Object Oriented... ...strong background in math or physics desired. Experience with Rational...Permanent employmentContract workFor contractors
- ...its team and we are looking to hire experienced Hard Surface Modelers to work across client projects on a full time basis in Herndon... ...mastery of ideal model topology, texturing, shader networks, and physically based rendering. Responsibilities and Duties Recreate Reality...Full timeFlexible hours
- ...seeks a motivated, career-oriented SOFTWARE & SYSTEMS ENGINEER to join our team supporting the Marine... ...of UAF and DoDAF artifacts, Model-Based Systems Engineering (MBSE), and... ...obtain and maintain a CI Poly. Physical Requirements: Physically capable...Full timeTemporary workWork at office
$86.8k - $198k
...your journey as a candidate with us. Secure Space Technical and Physical Security Lead The Opportunity: Perform as a subject matter... ...is prohibited unless permission is explicitly provided. Work Model Our people‑first culture prioritizes the benefits of collaboration...Full timeContract workPart timeWork at officeLocal areaRemote work$142.8k - $261.8k
...working world. AI & Data - Physical AI Engineering Consultant – Manager The opportunity... ...improve high‑performance models, collaborating with other... ...twin applications, and software engineering. We'll look to... ...frameworks (e.g., ROS) and simulation environments. Experience designing...Full timeWork experience placementSummer holidayFlexible hours- ...A consulting firm is seeking a Physical AI Engineering Consultant - Manager to lead innovative AI solutions. The role involves designing scalable... ...improvement of client solutions. The company offers a hybrid working model and competitive compensation. #J-18808-Ljbffr...
- ...Overall Assignment Description: Senior 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...Full timeFor contractors
- ...Modeling, Simulation and Analysis Engineer (Senior- Level) Overall Assignment Description: Senior-level Modeling, Simulation and Analysis (MS&A) Engineers guide and conduct modeling, simulation and analysis activities in support of business stakeholders, analysts...Full timeFor contractors
$126.1k - $227.95k
Full Stack Software Engineer SME Alexandria, VA. Clearance Level Required Active TS/SCI and successfully... ...data management platforms and AI/ML models, automate workflows using generative AI... ...origin, citizenship, religion, physical or mental disability, medical condition...Contract work- ...mathematics, computer science, physics, and engineering. Our people are leaders in... ...Reston team is hiring a Software Engineer to help build and... ...sophisticated software for simulation, optimization, and decision... ...LLMs, computer vision, or model‑integrated applications Experience...For contractorsWork at officeRelocationRelocation packageFlexible hours
$87.1k - $157.45k
...opening for you as our next TS/SCI cleared Software Engineer supporting a long-term DIA-NDOC DOMEX... ...applications around Large Language Models, Agentic AI #NMECDTP-Leidos If you... ...origin, citizenship, religion, physical or mental disability, medical condition...Contract workLocal areaImmediate startRemote workFlexible hours$130k - $170k
...Senior Software Engineer CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real... ...(to both business and technical partners). Data modeling experience from conceptual, logical and physical designs. What’s in it for you? When you join...Full timeWork at officeWork from home- ...Overview VTG is seeking a Software Engineer to support our Defense customer in Reston, VA. Our... ...international partners/markets Integrate model/software/hardware-in-the-loop components... ...Software Engineering, Mathematics, or Physics 3+ years working with a variety of programming...Contract work
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to E01-J01 Software Engineer- Physical Modeling & Simulation Engineer. Be the first to apply!
- ngo software engineer Virginia
- software developer Virginia
- part time software developer remote Virginia
- financial software developer Virginia
- senior software engineer ruby on rails Virginia
- software engineer amazon Virginia
- senior software design engineer Virginia
- software engineer remote Virginia
- entry level software engineer remote Virginia
- software engineer contract Virginia

