Software Engineer, Agentic Modeling & Simulation

Anduril
Washington, District of Columbia
Workplace: OnsiteFull timeUSD 191,000 - 292,000 annuallyFunction: Software EngineeringEducation: bachelorsSkills: ["Reliability","Safety","Observability","Debugging","Collaboration"]

Build agentic modeling and simulation systems for operational planning, enabling humans and AI agents to author scenarios, task entities, inspect simulation state, and evaluate courses of action in near real time. Develop multi-agent architectures for modeling human and adversary behavior, integrate LLM tool use with simulation engines and mission planning systems, and ship backend services and APIs that make planning cycles faster and operator-facing.

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Anduril
Anduril
1 month ago

Software Engineer, Agentic Modeling & Simulation

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Source: Company careers pageValidated by: Fursa AI
Last checked: 21 hours agoStatus: Live

Job Summary

Build agentic modeling and simulation systems for operational planning, enabling humans and AI agents to author scenarios, task entities, inspect simulation state, and evaluate courses of action in near real time. Develop multi-agent architectures for modeling human and adversary behavior, integrate LLM tool use with simulation engines and mission planning systems, and ship backend services and APIs that make planning cycles faster and operator-facing.
Location: Washington, District of Columbia
Workplace: Onsite
Employment Type: Full time
Job Function: Software Engineering
Seniority: Mid level

Key Responsibilities

  • •Build agentic workflows that expose modeling and simulation capabilities via natural language, structured tools, APIs, and operator-facing product experiences.
  • •Design multi-agent architectures to model human decisions, adversary responses, operational constraints, and plan tradeoffs.
  • •Integrate LLM tool use, function calling, retrieval, planning loops, evaluation hooks, and guardrails with simulation engines and mission planning systems.
  • •Build backend services and interfaces for scenario creation, entity tasking, simulation state retrieval, course-of-action generation, plan comparison, and real-time analysis.
  • •Partner with warfighters and technical SMEs to translate ambiguous planning workflows into reliable software and improve observability/reproducibility for agent behavior.

Pay and Benefits

Salary: USD 191,000 - 292,000 annually
Equity and Bonus:Equity

Key Requirements

  • •Strong production software engineering experience building backend services, APIs, platforms, or integrations around complex stateful systems.
  • •Hands-on experience building AI/ML or LLM-powered software, including tool/function calling, RAG, structured outputs, agent orchestration, or model evaluation.
  • •Proficiency in Python, Go, or a similar backend language, working across service boundaries and integrating with external systems.
  • •A degree in Computer Science, Software Engineering, Mathematics, Physics, or a related technical field.
  • •Eligible to obtain and maintain an active U.S. Top Secret security clearance.
Experience:DefenseAI/MLLLMModeling and simulationWargamingCommand and controlAutonomyRoboticsDistributed systemsOperational planning
Education:Bachelor's
Skills:ReliabilitySafetyObservabilityDebuggingCollaboration
Tech Stack:PythonGoAPIsLLMFunction callingRetrievalRAGStructured outputsAgent orchestrationMCP-style interfacesModel evaluationGRPCProtobufKubernetesDockerContainerized deploymentsDistributed systemsObservabilitySecure environmentsAir-gapped environments

Eligibility

Security Clearance:Top Secret

Company Brief

Anduril
Designs and builds advanced defense systems combining autonomous aircraft, sensors, and AI-driven software for military and national security applications, focused on modernizing battlefield capabilities and distributed sensing.
Industry: Defense Technology
Company Size: Enterprise (1,001+ employees)
Growth: Scaleup
Valuation: Unicorn (USD 1B+)
Funding: Series E+
Headquarters: Costa Mesa, United States
Founded: 2017
WebsiteLinkedIn