Modeling & Simulation Engineer 1

Mission Technologies, a division of HII

. Develop new and/or integrate existing system simulation frameworks, performance models and algorithms, threat models, and command and control models .

Posted 10/27/2026full-timePocasset • Massachusetts • United StatesMid-LevelSenior💰 $69,828 - $99,754 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in C++ and Python development for simulation frameworks and performance models, with a strong foundation in ocean/marine engineering principles and the ability to integrate hardware and software within simulation environments. Proficient in data analysis, visualization, and technical communication, while capable of working independently and collaboratively in diverse environments.

Highest-signal resume keywords

C++ DevelopmentPython DevelopmentLinux ProgrammingOcean/Marine Engineering KnowledgeSimulation Environment Integration

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

System Simulation FrameworksPerformance ModelsThreat ModelsCommand and Control ModelsMathematical Concepts ApplicationHydrodynamic SimulationsAnalytical Models DevelopmentEmbedded Software DevelopmentKalman FilteringControl Systems

Soft Skills

Technical WritingCommunication SkillsTeam CollaborationIndependent Work

Tools & Technologies

ROS2Unreal EngineUnityCFD ToolsSolidworksStar CCMOpenFOAMFINE

Certifications & Qualifications

Government Security Clearance

Industry Keywords

HydrodynamicsMarine VesselsData VerificationRobustness MeasuresTrade StudiesDigital Twin ModelingVirtual TestbedHWIL Development

Tech Stack

Tools & technologies

LinuxPythonUnityUnreal EngineC++

About the role

Key responsibilities & impact

Develop new and/or integrate existing system simulation frameworks, performance models and algorithms, threat models, and command and control models
Develop software that simulates behavior of users and systems
Develop, integrate, and use graphical user interfaces and visualization tools
Model operational environments
Perform trade studies via computer simulation and provide decision support for alternative architectures
Perform operational analysis and mission effectiveness analysis
Build and design training models as needed
Apply hydrodynamics, virtual models, and unmanned vehicle knowledge to develop and execute a digital twin modeling and simulation environment
Integrate vehicle hardware with the simulator
Develop software to enable a robust virtual testbed for advanced autonomy solutions

Requirements

What you’ll need

0 years experience with Bachelors in related field; or High School Diploma or equivalent and 4 years relevant experience
Demonstrated C++/Python development experience
Demonstrated ability to quickly learn and exercise new tools
Linux system use and programming
Ocean/Marine engineering knowledge: hydrostatics, hydrodynamics, ocean profiles, marine vessels, etc.
Ability to integrate hardware and software in the loop with simulation environment, including communication protocols, data verification, and robustness measures
Ability to work and succeed within a system engineering applied project
Ability to apply mathematical concepts to system modeling and simulation
Familiarity/interest in robotic systems and ROS2
Demonstrated technical writing and communication skills
Ability to work both independently and in a collaborative team environment
Applicants selected for this position will be required to obtain and maintain a government security clearance
Experience performing and analyzing hydrodynamic simulations (preferred)
Data analysis and visualization experience (preferred)
Previous simulation experience with HWIL development, gaming engines such as Unreal or Unity (preferred)
Experience developing analytical models of discrete and continuous physical systems (preferred)
Embedded software development (preferred)
Experience with Kalman filtering, search algorithms, trajectory planning, and control systems (preferred)
Design of experiments for simulation/tank/at-sea testing (preferred)
Exposure to CFD tools: Solidworks, Star CCM, OpenFOAM, FINE (preferred)
May require working in an office, industrial, shipboard, or laboratory environment; capable of climbing ladders and tolerating confined spaces and extreme temperature variances

Benefits

Comp & perks

Best-in-class medical, dental and vision plan choices
Wellness resources
Employee assistance programs
Savings Plan Options (401(k))
Financial planning tools
Life insurance
Employee discounts
Paid holidays and paid time off
Tuition reimbursement
Early childhood and post-secondary education scholarships
Bonus/other non-recurrent compensation may occasionally be offered for qualified positions
Valuable educational and training programs for continual career growth