CareerPlan

Senior Applied Scientist, Leo Security

Seattle, Washington, United StatesFull-time$167k–$226k2026-08-13 → 2026-11-10
Based in United StatesNo visa sponsorshipCitizens or permanent residents only

Core

Founding Applied Scientist building neurosymbolic reasoning platforms and agentic AI systems to detect sophisticated threat actors and secure global satellite infrastructure.

Role type

Senior Applied Scientist (Security R&D)

Builds

Neurosymbolic reasoning platforms, multi-agent security systems, and detection models for satellite constellation defense

Domain

Space infrastructure security, agentic AI, graph-based reasoning

Deliverable

production ML models

Required skills

neurosymbolic reasoning, reinforcement learning (GRPO, PPO, DPO), graph algorithms, knowledge graphs, unsupervised learning, NLP, embedding-based retrieval, evaluation framework design

Preferred skills

terabyte-scale stream processing, LLM cost/latency optimization, security architecture modeling, quantitative solution design, publications in applied ML/security

Technologies

Java, C++, Python, Tensorflow, numpy, scipy, Spark MLLib, MxNet, scikit-learn

Responsibilities

Design scalable neurosymbolic systems integrating symbolic reasoning with LLM agents; build behavioral models to detect threat actor behavior; design multi-agent systems for autonomous security event triage; own end-to-end science lifecycle from research to production; advance state of the art via publications and patents

Seniority

Senior, hands-on IC with research mandate