Castelion
Senior Applied AI Engineer
Torrance, CA +1 · Senior · Full-time · Posted Sep 14, 2026
- Location
- Torrance, CA
19951 Mariner Ave, Torance, CA 90503 - Experience
- 7+ years software development; 2+ years applied AI. 10+ years software development preferred.
- Education
- Bachelor’s degree in computer science (preferred), another STEM field, or equivalent work experience.
About the job
Designs and delivers production-ready AI tools and integrations for business needs across engineering, supply chain, flight test, and other company functions.
What you'll do
- Define the company’s AI tooling and integration roadmap with cross-functional teams.
- Build scalable AI integrations and connect them to enterprise systems and data sources.
- Establish AI development standards and coordinate with IT, programs, and cybersecurity on security compliance.
What they ask for
- 7+ years of software development experience, with proficiency in Python and one static language (e.g., C, C++, C#, Java).
- 2+ years of applied AI experience owning an AI agent, LLM-powered workflow, or automation end-to-end from prototype through production.
- Understanding of prompt engineering, fine-tuning, and model evaluation; hands-on experience with RAG architecture, vector databases, and embedding models.
- Strong experience gathering requirements with diverse stakeholders and developing tools to address their needs.
Nice to have
- 10+ years of software development experience.
- Experience deploying self-hosted AI platforms on cloud infrastructure (Azure/AWS/GCP), using Model Context Protocol (MCP), or building and leading small teams.
Tools
Python, C, C++, C#, Java, Azure, AWS, GCP
AI focus
Applied AI engineering: AI agents, LLM-powered workflows, automation, RAG, prompt engineering, fine-tuning, model evaluation, and AI governance.
Model-written summary · the original posting is authoritative