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.
$86.8k - $198k
Model and Simulation Software EngineerThe Opportunity: You will play a critical role in advancing our Modeling and Simulation (M&S) capabilities... ...operational decision‑making for the DoW. Using core software engineering principles, you’ll build scalable simulation components,...SuggestedFull timeContract workPart timeWork at officeLocal areaRemote work$135k - $216k
ResponsibilitiesPeraton is seeking an experienced Modeling, Analysis & Simulation (MA&S) Engineer to lead the development and... ...brought together, long before physical integration occurs.This role sits... ...with enterprise architects, software architects, cybersecurity teams, and...SuggestedContract workFor subcontractorShift work- ...Group W provides wargaming, warfare modeling and simulation, software development, data analytics, and operations... ...need for a Modeling and Simulation Engineer (STORM Developer/Analyst) to support... ...in Computer Science, Mathematics, Physics, Software Engineering, Systems...SuggestedFull timeWork at officeImmediate startFlexible hours
$150k - $200k
...US is seeking a Lead Systems Engineer to provide technical and programmatic... ...to effectively provide model base system engineering... ...engineering and modeling and simulation team supporting the Office of... ...Bachelor's degree in engineering, physics or similar field Previous...SuggestedWork experience placementWork at office$114k - $171k
...exploration is welcome. As a Graphics Simulation Software Engineer- Level 3 or 4, your role at Dulles,... ...Software Engineer develops spacecraft 3D models and contributes to graphics software... ...Engineering, Computer Science, Physics, or a similar technical program with...SuggestedFull timeRemote workRelocation packageShift work- ...below.Vantor is seeking an Aerospace Modeling & Simulation Engineer to support advanced ISR studies for government... ...Electrical Engineering, Mathematics, Physics, or Computer Science. Willing to work... ...with the design, development and software implementation of complex...Full timeRemote work
- ...Senior Modeling & Simulation Engineer Sedaro is hiring a Senior Modeling & Simulation Engineer to build the high fidelity simulation software that powers our cutting-edge simulation platform and help... ...Bachelor's degree in physics, applied math, engineering, or...Contract workFlexible hours3 days per week
- DescriptionWe are seeking a Senior Modeling and Simulation (M&S) Systems Engineer to directly support the Defense... ...of-Systems Integration: Coordinate Software-in-the-Loop (SIL) and Hardware-in-... ...Loop (HIL) environments to integrate physical threat tools with modernized DoD...Full timeLocal areaImmediate startFlexible hours
$90k - $150k
Company OverviewVeraxx Engineering Corporation, a By Light Company is an engineering services company supplying modeling, simulation, and training solutions. Services include hardware, software, and system engineering, requirements assessments, system development, integration...Work experience placement- DescriptionSAIC is seeking a Modeling and Simulation Engineer to fill a critical position on SAIC’s Prime Program, Landmark AOS located in Chantilly... ...the acquisition of multi-intelligence (multi-INT) software services. SAIC’s client is tasked with leading the integration...
- ...Under Secretary of War for Research and Engineering (OUSW(R&E)), Office of the Under... ...applicable data, developing necessary software tools, and performing thorough and timely... ...in the future.We have a need for a Modeling and Simulation Analyst to provide onsite support in...Work at officeFlexible hours
$112k - $179k
ResponsibilitiesWe are seeking a Senior Modeling, Simulation & Analysis (MS&A) Engineer to support NGA's mission by developing and applying advanced modeling, simulation, and analytical capabilities across complex enterprise environments. In this role, you will help shape...Contract workShift work- Position SummaryOdyssey Systems is seeking a Senior Modeling and Simulation Engineer to support advanced situational awareness and multi-domain operations... ...warfare platforms.Proficiency in signal processing software and languages and experience with AI/ML applied to sensor...Full timeContract workLive out
- Junior Software Engineer - Modeling & Simulation (Full-Stack) - TS/SCI Department: Govt Customer-ChantillyLocation: Chantilly, VAACTIVE TS/SCI CLEARANCE REQUIREDAbout the ProgramWe are architecting a next-generation ecosystem designed to maintain a decisive competitive...Shift work
$121k - $151k
Title: Modeling and Simulation Engineer Belong. Connect. Grow. with KBR! KBR’s National Security Solutions team provides high-end engineering and... ...STK, SOAP, MATLAB, and potentially organically developed software Performs analysis of space systems, performance metrics,...Work at officeLocal areaFlexible hours- ...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
$130k - $196k
...purpose.Position Overview:Are you a seasoned software engineer, eager to break into the demanding... ...CIA’s suite of applications, models and tools used for automated evaluation... ...orientation, gender identity/expression, physical and mental disability, pregnancy, ethnicity...Local area$144k - $216k
...Family Division is currently seeking an analytical and curious model developer who has strong business knowledge in credit risk, preferably... ...status, sexual orientation, gender identity/expression, physical and mental disability, pregnancy, ethnicity, genetic information...Local area$136k - $204k
...provides risk management support to the maturing of EO&T division’s model risk governance process and the enterprise-wide adoption of AI... ...status, sexual orientation, gender identity/expression, physical and mental disability, pregnancy, ethnicity, genetic information...Local area$86.8k - $165.2k
...Technologies group is looking for a Research Software Engineer, Formal Methods with strong software... .... You will develop software to support models that analyze networks and complex... ...Electrical Engineering, Mathematics, or Physics or equivalent experience and minimum 5...Temporary workWork experience placementWork at officeRemote workFlexible hours$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- ...Role: Simulation Developer supporting the Marine Corps... ...and maintain simulation models and environments using... .... Collaborate with engineers, analysts, and subject... .... At least 7 years of software development experience... ...Knowledge of 3D graphics, physics engines, and SQL....
$102.2k - $189.8k
...skills necessary to design new software solutions for customers? Then... ...for a Senior Software Engineer to support our DoD/DoW customers... ...similar).SQL for relational data modeling, schema design, migration... ...programs, and resources for mental, physical, and financial wellbeing....Full timeContract workLocal areaFlexible hours$141.85k - $212.78k
...initiatives, establishes reusable engineering patterns, and drives adoption... ..., agent frameworks, model integration, and evaluation.... ...guidance on AI development and software engineering practices. Influencing... ...- to help support you physically, financially and emotionally...Full timeNight shiftWeekend work$102.1k - $202.2k
...Less than 25%Profession: Software EngineeringDiscipline:... ...for a Software Engineer in the Cloud+AI Azure... ...possible. Runs code in simulated, or other non-production... ...establishes code invariants to model "security as code,"... ..., national origin, physical or mental disability,...Ongoing contractLocal area- ...Department of Defense (DOD), is seeking a Software Engineer to be based in our Arlington, VA office... ...advanced software automation, model-based systems engineering (MBSE), and AI... ...Electrical Engineering, Systems Engineering, Physics, Mathematics, or related field or...Full timeWork at office
$112k - $146k
...Solutions Group, is seeking a Software Engineer to join our... ...data-centric, distributed simulation environments that go beyond... ...HDF5), weather/environmental modeling outputs (e.g., WRF), and consuming... ...or geospatial mapping tools.Physical Requirements and Work EnvironmentNormal...Casual workWork at officeLocal areaOverseasFlexible hours$170k
DescriptionSoftware Engineer III - Business Intelligence/Database DevelopmentSummary... ...:We are seeking a Software Engineer III with strong... ...in BI development, data modeling, database design, ETL, data analysis... ...and developing logical and physical data models and frameworks to...$102.1k - $202.2k
...ContributorTravel: Less than 25%Profession: Software EngineeringDiscipline:... ...than the Microsoft Defender engineering team. You will be building... ...a 24x7 live site support model for the services the team owns... ...condition, national origin, physical or mental disability, political...Ongoing contractLocal area3 days per week$117.7k - $218.6k
...skills necessary to design new software solutions for customers? Then... ...) is looking for a Software Engineer to support our DoD/DoW... ...similar).SQL for relational data modeling, schema design, migration management... ...that is digitally and physically connected.Flexibility & Work-...Full timeContract workWork at officeLocal areaFlexible hours2 days per week3 days per week
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!
- agile software developer Virginia
- software developer internship no experience Virginia
- experienced software developer Virginia
- software developer fintech Virginia
- financial software developer Virginia
- software developer internship Virginia
- software engineer Virginia
- part time software developer remote Virginia
- junior software developer remote Virginia
- software engineer travel Virginia

