13 modeling and simulation software engineer jobs at 6 companies in California
3mo
Save
Mark Applied
Hide
Senior Simulation and Modeling Engineer
Long Beach, California, United States
$148k-$204k/yr OnsiteFull Time
5+ YOELead simulation development for 6DOF GNC, build models and solvers; 5+ yrs in engineering with C++, Python; aerospace simulations; startup environment.
C++, Rust, Python
3mo
Save
Mark Applied
Hide
Simulation and Modeling Engineer II
Long Beach, California, United States
$126k-$173k/yr OnsiteFull Time
2+ YOE2+ years in engineering; proficient in C++, Rust, Python; experience in physics-based aerospace simulations; startup environment adaptability; end-to-end ownership.
C++, Rust, Python
1w
Save
Mark Applied
Hide
Aerospace Modeling & Simulation Software Engineer (TS/SCI)
Herndon or California or Colorado or Hawaii or New Jersey or Virginia or California or Colorado or Hawaii or New Jersey or Washington, DC metropolitan area
$116k-$275k/yr OnsiteFull Time
5+ YOERequires U.S. citizenship, active TS/SCI clearance, bachelor's degree in a technical field, 5 years of software development experience, programming experience, and familiarity with aerospace systems or simulation.
Python, C++, Java, C#, MATLAB, JavaScript, NumPy, pandas, SciPy, Matplotlib, Plotly
1mo
Save
Mark Applied
Hide
Modeling and Simulations Software Developer
Huntsville or Rockville or Maryland or California
$72k-$123k/yr OnsiteFull Time
4+ YOEUS citizen with Secret clearance, Bachelor's in CS/CE or related plus 4+ years experience, modeling & simulations experience, C++ development, software engineering and testing experience.
C++
1mo
Save
Mark Applied
Hide
Senior Modeling and Simulations Software Developer
Huntsville or Maryland or Rockville or California
$121k-$205k/yr OnsiteFull Time
10+ YOEUS citizen with Secret clearance, 10+ years software engineering experience with Javascript, Typescript, React, Java and Spring Framework; Bachelor's degree; modeling & simulations experience; EM/software development and testing skills.
Javascript, Typescript, React, Java, Spring Framework, Docker, Kubernetes, Rabbit MQ, TomCat
1mo
Save
Mark Applied
Hide
Lead Modeling and Simulations Software Developer
Huntsville or Rockville or California
OnsiteFull Time
10+ YOE10+ MgmtUS citizen with Secret clearance, 10+ years experience with Javascript, Typescript, React, Java/Spring, management responsibility, bachelor's degree, and modeling & simulations experience.
Javascript, Typescript, React, Java, Spring Framework, Docker, Kubernetes, Rabbit MQ, TomCat Admin
1mo
Save
Mark Applied
Hide
Modeling and Systems Engineer
El Segundo, California, United States
$87k-$130k/yr OnsiteFull Time
3+ YOEBachelor's in STEM, 3+ years modern software development with C/C++ and Python, modeling & simulation experience, familiarity with git/Bitbucket, ability to obtain Top Secret/SCI clearance and U.S. citizenship required.
C, C++, C++20, Python, git, Bitbucket, Advanced Framework for Simulation, Integration, and Modeling (AFSIM)
2mo
Save
Mark Applied
Hide
Network Modelling and Simulation Engineer
El Segundo, California, United States
$129k-$194k/yr OnsiteFull Time
6+ YOEBachelor's in CS/CE/EE or related; 6+ years in data analysis, OSI/TCP-IP, network design and modeling/simulation; deep routing/switching knowledge; software development in Python or C/C++; ability to present results; ability to obtain security clearance (U.S. citizenship required); travel up to 10%.
Python, C/C++, OSI model, TCP/IP
1w
Save
Mark Applied
Hide
Senior Software Engineer, Agent Simulation and Evaluation
Santa Clara or California
$152k-$288k/yr RemoteFull Time
5+ YOERequires 5+ years of software development experience, 2 years building AI agents or AI-backed engineering systems, strong Python skills, model architecture and inference knowledge, and simulation or performance analysis experience.
Python, Codex, Claude Code
3w
Save
Mark Applied
Hide
Software Engineer 5 - Ads Forecasting and Simulation
New York City or Los Gatos
$388k-$558k/yr OnsiteFull Time
Experience building ads forecasting and simulation systems, handling large-scale data with Spark, producing low-latency distributed systems, productionizing ML models, cloud development, and cross-functional collaboration.
Spark, Lucene, VAST, OpenRTB
1w
Save
Mark Applied
Hide
Sr. Staff Engineer, Modeling Infrastructure and Software Development
San Jose, California, United States
$170k-$223k/yr OnsiteFull Time
5+ YOEBachelor's degree in a relevant technical field; 5+ years in numerical simulation or technical computing infrastructure; strong Python, HPC, AWS, data schema, Linux, Git, CI, and container experience.
Python, NumPy, SciPy, pandas, networkx, SLURM, AWS, Git, Linux, C/C++
3w
Save
Mark Applied
Hide
Senior Research Scientist - Generative World Models for Autonomous Driving and Physical AI
Santa Clara, California, United States
$192k-$357k/yr OnsiteFull Time
6+ YOEPh.D. or equivalent, 6+ years experience in deep learning/AI/vision/simulation, strong publication record, expert Python and software engineering, experience with synthetic data or generative world models.
Python
3w
Save
Mark Applied
Hide
Senior Research Scientist - Generative World Models for Autonomous Driving and Physical AI
Santa Clara, California, United States
$192k-$357k/yr OnsiteFull Time
6+ YOEPh.D. or equivalent, 6+ years relevant experience, strong publication record, expert Python and software engineering, deep learning/computer vision/simulation or autonomous systems experience.
Python