Simulation Engineer Jobs in USA 2026 with Visa Sponsorship

The rapid advancement of Artificial Intelligence hardware continues creating exceptional engineering opportunities in 2026. DensityAI is seeking a highly skilled Simulation Engineer to accelerate next generation AI computing systems before physical hardware reaches production. This opportunity offers exposure to advanced architecture design, software modeling, and global engineering collaboration while providing visa sponsorship support for qualified candidates.

About the Role

The Simulation Engineer position focuses on building and owning the software simulation environment for advanced AI accelerator technology. The successful candidate will develop simulation models that enable software and architecture teams to validate designs before silicon production. This role combines systems engineering, performance optimization, and large scale infrastructure development within a fast paced innovation environment.

About the Hiring Firm

DensityAI is an Artificial Intelligence technology company focused on developing advanced accelerator platforms for high performance computing. The organization emphasizes innovation, software driven hardware development, and engineering excellence across complex computing systems. Employees benefit from competitive compensation packages, healthcare support, retirement programs, equity opportunities, and immigration sponsorship options.

Job Duties

• Design build and maintain software simulators and performance models for AI accelerator platforms.
• Develop functional instruction level and performance level simulation environments for engineering teams.
• Create infrastructure using C plus plus and Python to support simulation operations.
• Build pre silicon development tools including validation harnesses and reference models.
• Support co simulation workflows trace generation and software validation processes.
• Optimize simulator performance through multithreading distributed execution and advanced runtime techniques.
• Ensure simulations remain efficient for real workload execution and testing activities.
• Validate simulation models against RTL emulation and first silicon development stages.
• Analyze performance differences and continuously improve simulation accuracy and reliability.
• Develop AI assisted workflows that accelerate simulation development and validation processes.
• Collaborate closely with compiler runtime and architecture teams throughout development cycles.
• Contribute to faster software readiness and early hardware design evaluation.

Job Requirements

• Strong expertise in modern C plus plus for performance critical systems development is required.
• Advanced Python programming skills for tooling automation and infrastructure development are essential.
• Minimum five years experience developing simulators emulators or virtual platform systems is required.
• Strong understanding of computer architecture including memory hierarchy and processor pipelines is necessary.
• Ability to model accelerator and GPU class hardware accurately is highly preferred.
• Experience balancing functional and performance simulation tradeoffs is important.
• Strong software engineering practices including testing profiling and debugging also required.
• Experience with large long term codebases and continuous integration environments is beneficial.
• Knowledge of simulation tools such as gem5 QEMU SystemC or similar platforms is advantageous.
• Experience with JIT compilation or dynamic binary translation is considered valuable.
• Exposure to machine learning workloads compiler systems and distributed simulation preferred.
• Ability to collaborate effectively across multidisciplinary engineering teams remains essential.

#339966;">#339966;" href="https://www.linkedin.com/jobs/view/simulation-engineer-at-densityai-4427209016/" target="_blank" rel="noopener">Click Here to Apply

Conclusion

This Simulation Engineer opportunity presents a rare chance to influence advanced computing systems before hardware reaches reality. It combines software engineering, architecture modeling, and Artificial Intelligence innovation within a high impact environment. Professionals seeking technical depth, global opportunities, and visa sponsorship support may find this role an exceptional next career move.

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