Hello, my name is Jon Casler

A Tampa-based Data Scientist designing, building, and training custom embedding models and LLMs for classified government operations. I hold an Active Top Secret/SCI clearance with a background spanning cybersecurity, financial services, and a B.S. in Innovation & Entrepreneurship with a minor in Project Management from Clarkson University.

Active Top Secret / SCI
ML Engineer
Developer
Jeanine White smiling in a red plaid shirt and tortoise shell glasses

Mission-Driven Machine Learning

Designing and training domain-specific embedding models using PyTorch and transformer architectures to power mission-critical analytics pipelines in classified, air-gapped government environments.

Embedding Models & Vector Search

Fine-tuning LLMs and embedding models on mission-specific data using LoRA and PEFT techniques. Deploying high-throughput inference via vLLM with quantization and batching optimizations for real-time classified workloads.

Governance & Compliance

Built client relationships across DoD and VA engagements while translating complex compliance obligations into actionable guidance for engineering teams operating in secure high side environments.

Certifications

Recent professional certifications and digital badges.

Tech Stack

Languages, frameworks, and tools I use.

Work Experience

HomeLab Work

Personal projects and experiments built at home; from hardware hacks to self-hosted infrastructure.