3. AI/ML Engineer — LLMs, Agents & Simulation Modeling

Watchtower Labs
Watchtower Labs

Software Engineering, Data Science

Bellevue, WA, USA

Posted on Oct 14, 2026
Location: Bellevue, WA (4+ days onsite)Stack: Python (Primary), C# (Optional), LLMs, Optimization & Simulation We’re applying frontier AI and LLM technology to domains where outcomes are measured in lives saved, logistics won, and missions completed. As an AI/ML Engineer, you will lead the integration of large language models into agentic workflows, simulation platforms, and real-time decision engines. What You’ll Do:- Build and optimize agentic workflows powered by LLMs- Drive prompt engineering and architecture for embedded reasoning- Partner with simulation and backend teams to train and deploy models in real-world scenarios- Contribute to novel approaches in AI-guided decision making in contested environments Ideal Candidate:- 3+ years of experience in AI/ML or applied data science- Expertise in Python and modern LLMs (e.g., OpenAI, Anthropic, open-source stacks)- Familiarity with optimization, simulation modeling, or autonomous agents Bonus: experience with secure systems, C#, or decision modeling.