Plus.ai

Senior Simulation Software Engineer

Plus.ai$130K — $200K *
Aerospace & Defense
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • MS with 3+ years of relevant experience, or a PhD new grad in a related field.
  • Experience building AI-powered workflows for data analysis.
  • Proven track record in improving simulation fidelity and addressing sim-to-real gaps.
  • Proficient in Python or C++ with experience in scalable data processing systems.
  • Strong problem-solving skills for technical challenges.
  • Excellent communication skills for effective teamwork.

Responsibilities

  • Design and build AI workflows to analyze simulation results and identify failures.
  • Architect scalable simulation pipelines for performance metrics and data analysis.
  • Identify and reduce divergence between simulation and real-world behavior with data techniques.
  • Monitor and improve the performance and reliability of simulation platforms.
  • Collaborate with diverse teams to troubleshoot issues from real-world road tests.
  • Contribute to the long-term architectural design of the system with engineering peers.
  • Ensure technical work aligns with quality standards and guidelines.

Benefits

  • Opportunities for personal and professional development.
  • Catered free lunch and unlimited snacks and beverages.
  • Participation in a dynamic and innovative work environment.
  • Highly competitive salary and benefits package, including 401(k) plan.
Full Job Description
We are looking for a Senior Simulation Software Engineer to build and scale the simulation infrastructure that powers our autonomous vehicle development. You will architect simulation pipelines, leverage AI agentic workflows to analyze simulation results, and drive improvements in simulation fidelity to validate autonomy systems and enable critical program milestones. This role offers the opportunity to drive immediate user value while building advanced, AI-powered frameworks for long-term safety validation.
Responsibilities
  • Design and build AI agentic workflows that automatically analyze simulation results, identify failures, and surface root causes across large-scale test runs, translating them into actionable insights for engineering teams.
  • Architect and build scalable simulation pipelines, including the metric evaluation framework, and conduct in-depth analysis of road test and simulation data to identify trends, anomalies, and key performance indicators that enhance model accuracy and validate autonomy performance.
  • Identify, quantify, and reduce sources of divergence between simulation and real-world behavior, leveraging AI and data-driven techniques to increase simulation fidelity across actor behaviors, sensor models, and system dynamics.
  • Monitor and improve the performance, scalability, testing, and reliability of the platform.
  • Collaborate with cross-disciplinary teams-including simulation, onboard, systems engineering, and data science-to reproduce and resolve issues encountered during real-world road tests.
  • Work with other engineers to design the long-term architecture of the system.
  • Ensure that technical work meets customer requirements, regulatory standards, and company quality policies, in accordance with the company's Quality Management System (QMS), and contribute to continuous improvement efforts.


Required Skills:

  • MS with 3+ years of relevant experience, or a PhD new grad, in mechanical, electrical, aerospace engineering, physics, computer science, or a related field.
  • Experience building LLM-powered or agentic workflows for data analysis, evaluation, or automation.
  • Experience quantifying or improving simulation fidelity / closing the sim-to-real gap (e.g., sensor modeling, actor behavior modeling, scenario generation).
  • Proficient in Python or C++, with experience building scalable data processing systems or evaluation frameworks.
  • Ability to solve open-ended technical challenges.
  • Excellent communication skills and the ability to collaborate effectively in a team setting.


Preferred Skills:

  • Experience with autonomous vehicle or robotics simulation and related concepts.
  • Familiarity with LLM agent frameworks (e.g., LangChain, LangGraph, or similar) and prompt/tool-orchestration patterns.
  • Experience developing metrics, user-facing APIs, or interfaces between system components.


$130,000 - $200,000 a year

Your opportunities joining PlusAI

Work, learn and grow in a highly future-oriented, innovative and dynamic field.

Wide range of opportunities for personal and professional development.

Catered free lunch, unlimited snacks and beverages.

Highly competitive salary and benefits package, including 401(k) plan.

About Plus.ai

Land O'Lakes, Inc. is an American member-owned agricultural cooperative based in the Minneapolis-St. Paul suburb of Arden Hills, Minnesota, United States, focusing on the dairy industry. The cooperative has 1,959 direct producer-members, 751 member-cooperatives, and about 9,000 employees who process and distribute products for about 300,000 agricultural producers, handling 12 billion pounds of milk annually. It is ranked third on the National Cooperative Bank Co-op 100 list of mutuals and cooperatives. The co-op is one of the largest producers of butter and cheese in the United States through its dairy foods business; serves producers, animal owners and their families through more than 4,700 local cooperatives, independent dealers and other large retailers through its Purina Animal Nutrition business; and delivers seed, crop protection products, agricultural services and agronomic insights to 1,300 locally owned and operated cooperative and independent agricultural retailers and their grower customers through its WinField United business.
Learn more about Plus.ai

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