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Freelance Simulation Software Engineer Jobs (NOW HIRING)

SAIC

Modeling Simulation Software Engineer

El Segundo, CA · On-site +1

$160K - $200K/yr

ORA_ON_SITE Description SAIC's Horizon program is seeking you, our latest Modeling and Simulation Software Engineer , to support the U.S. Space Force's mission of delivering warfighter capability via ...

Saic

Modeling Simulation Software Engineer

El Segundo, CA · On-site

$160K - $200K/yr

Description SAIC's Horizon program is seeking you, our latest Modeling and Simulation Software Engineer , to support the U.S. Space Force's mission of delivering warfighter capability via the Space ...

METECS

Junior Simulation Software Engineer

Houston, TX · On-site

METECS is seeking an entry-level Simulation Software Engineer to support NASA's simulation efforts as part of the Robotics, Simulations, and Graphics Support (RSGS) team. This role is ideal for ...

Metis, Inc.

$140K - $200K/yr

Modeling and Simulation Software Engineer Full Time Professional Moffett Field, CA, US 2 days ago Requisition ID: 1575 Salary Range: $140,000.00 To $200,000.00 Annually POSITION SUMMARY: Metis ...

SAIC

Modeling Simulation Software Engineer

El Segundo, CA · On-site

$160K - $200K/yr

ORA_ON_SITE Description SAIC's Horizon program is seeking you, our latest Modeling and Simulation Software Engineer , to support the U.S. Space Force's mission of delivering warfighter capability via ...

Apple

Camera Simulation Software Engineer

San Diego, CA

$122K - $184K/yr

The software engineer will be responsible for the full-product lifecycle of the simulation tools from design/coding/testing to bug fixing and critical new technology integrations. The candidate ...

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Freelance Simulation Software Engineer information

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How much do freelance simulation software engineer jobs pay per year?

As of Sep 14, 2026, the average yearly pay for freelance simulation software engineer in the United States is $137,846.00, according to ZipRecruiter salary data. Most workers in this role earn between $104,000.00 and $162,000.00 per year, depending on experience, location, and employer.

What does a freelance simulation software engineer do?

A Freelance Simulation Software Engineer designs, develops, and tests simulation software for various industries, such as aerospace, automotive, healthcare, or manufacturing. They work independently or on contract to model real-world systems, create virtual environments, and run simulations to analyze system behaviors. Responsibilities often include coding, debugging, optimizing algorithms, and collaborating with clients to meet project requirements. Freelancers typically manage their own schedules and work with multiple clients, offering flexibility and a diverse range of project experiences.

What are the key skills and qualifications needed to thrive as a freelance simulation software engineer?

To excel as a Freelance Simulation Software Engineer, you need strong programming skills (such as C++, Python, or MATLAB), a solid understanding of simulation methodologies, and a relevant degree in engineering, computer science, or a related field. Familiarity with industry-standard simulation tools like Simulink, ANSYS, or Arena, and experience with version control systems are often required. Outstanding problem-solving abilities, self-motivation, and effective client communication distinguish top performers in this freelance role. These competencies enable the engineer to deliver accurate, efficient simulations and manage projects independently, ensuring client satisfaction and professional growth.

What are some common challenges faced by freelance simulation software engineers when managing multiple client projects?

Freelance Simulation Software Engineers often juggle several projects at once, each with unique technical requirements and deadlines. Balancing these projects can be challenging, especially when clients have shifting priorities or last-minute requests. Effective communication, clear project scoping, and robust time management are crucial to ensure client expectations are met while maintaining high-quality work. Additionally, freelancers must stay updated with the latest simulation tools and standards, which can require continuous self-directed learning.

What is the difference between Freelance Simulation Software Engineer vs Simulation Software Developer?

AspectFreelance Simulation Software EngineerSimulation Software Developer
CredentialsTypically requires a degree in computer science, engineering, or related fields; certifications are a plusSimilar educational background; certifications may enhance prospects
Work EnvironmentIndependent, project-based work often remotely or freelance platformsEmployed by companies or organizations, working in office or remote teams
Employer & Industry UsageClients across various industries like aerospace, automotive, defense; freelance platformsCompanies developing simulation software or using simulation tools internally
Search & Comparison IntentLooking for freelance opportunities or project-based work in simulation softwareSeeking full-time or contract roles within organizations

The main difference is that a Freelance Simulation Software Engineer works independently on diverse projects, often remotely, while a Simulation Software Developer is typically employed by a company to develop and maintain simulation software as part of a team.

More about Freelance Simulation Software Engineer jobs

What cities are hiring for Freelance Simulation Software Engineer jobs?

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What are the most commonly searched types of Simulation Software Engineer jobs?

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What states have the most Freelance Simulation Software Engineer jobs?

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Freelance Simulation Software Engineer jobs near you
Infographic showing various Freelance Simulation Software Engineer job openings in the United States as of September 2026, with employment types broken down into 1% Internship, 1% As Needed, 86% Full Time, 9% Part Time, and 3% Contract. Highlights an 85% Physical, 3% Hybrid, and 12% Remote job distribution, with an average salary of $137,846 per year, or $66.3 per hour.

Modeling and Simulation Software Engineer

Huntsville, AL • On-site

OASYS, INC.
See more jobs at OASYS, INC.external

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 18 days ago

Job description

Modeling and Simulation Software Engineer
OASYS, INC., a Leading-Edge Government contractor in Huntsville Alabama, is seeking a Modeling and Simulation Software Engineer to support our Air Force customer.
Job Responsibilities Include:
  • Participate in the development, implementation, and refinement of 3-DoF and 6-DoF physics-based simulation models
  • Participate in the modeling of vehicle trajectories, debris dispersion patterns, and dynamic system behavior
  • Validate physics models against analytical results, test data, and performance requirements
  • Perform end-to-end software lifecycle activities including requirements analysis, architecture, design, coding, integration, and test
  • Produce technical documentation for models, algorithms, and software products
  • Participate in model reviews, design reviews, and technical interchange meetings
  • Support fielded simulation tools and assist with troubleshooting, updates, and enhancements
Minimum Requirements:
  • 3-5 years with modeling and simulation software or physics based software experience
  • Proficiency in C++, Python, Java or other object-oriented programming languages
  • Practical experience with 3-DoF and 6-DoF modeling techniques
  • Demonstrated experience modeling vehicle trajectories and debris patterns
  • Knowledge of physics models
  • Familiarity with Agile development practices, specifically Scrum
  • Experience working on cross-discipline engineering teams
Preferred Skills:
  • Experience with Azure DevOps, Git, or other version control systems
  • Background using simulation tools/frameworks (MATLAB, Simulink, STK, physics engines)
  • Linux development experience (Red Hat, Ubuntu, etc.)
  • Experience with visualization tools or simulation analysis pipelines
  • Experience with real-time, hardware-in-the-loop, or mission-level simulation environments
  • Certified ScrumMaster (optional)
Required Education:
Bachelor's degree in Engineering, Computer Science, Physics, Mathematics, or another STEM discipline. Equivalent experience may be substituted for a degree.
Eligibility:
Candidates must be able to obtain and maintain a DoD Secret Clearance; an active Secret Clearance is highly desirable.
About OASYS, INC.:
Located in Huntsville, Alabama, OASYS, INC. delivers innovative technology solutions for government and commercial clients, providing full lifecycle support grounded in modern tools, proven expertise, and mission-focused engineering.
Benefits:
OASYS, INC. offers comprehensive benefits including BC/BS of Alabama Health & Dental, VSP Vision, ESOP, 401(k) with matching, Flexible Spending Account, Tuition Reimbursement, Holidays, Vacation, and Short-term/Long-term Disability.
www.oasys-incorporated.com
EOE AA M/F/Vet/Disability Equal Employment Opportunity is the Law: http://www1.eeoc.gov/employers/upload/eeoc_self_print_poster.pdf

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