Remote Jobs Sign In

Senior Principal AI Engineer

Get new jobs like this one by email. Create a free account for job alerts and to save the jobs you like.

Location: Remote
Compensation: Salary
Reviewed: Fri, Nov 13, 2026
This job expires in: 30 days

Job Summary

To shape the next generation of AI in cybersecurity, the full-time Senior Principal AI Engineer will define technical direction for LLM and agentic AI systems, tackle complex challenges, and drive innovation while mentoring engineering talent in a remote environment.

Key responsibilities
  • Set the AI technical vision and multi-year roadmap for LLM and agentic systems across product lines
  • Lead high-risk technical initiatives, including fine-tuning and optimizing LLMs on security data
  • Establish company-wide standards for context engineering and inference optimization, ensuring quality and performance
Required qualifications
  • 14+ years of software or ML engineering experience, with 2+ years in production LLM or agentic AI systems
  • Expertise in LLMs, including transformer architecture and advanced PyTorch skills
  • Hands-on experience with fine-tuning and post-training of open-weight LLMs
  • Deep knowledge of inference optimization techniques and serving at scale
  • Strong predictive AI and classical ML fundamentals, with the ability to make informed technical decisions

Complete Job Description

The complete job description is available to premium members. Premium membership includes:

Full access to 39,620 remote jobs from human-vetted companies, updated daily

Resume Builder - AI-powered tool to craft, enhance, and tailor your resume to a specific job

Twice-monthly live group coaching and the full Remote Career Center

20% member discount on Career Services

Backed by a 30-day money-back guarantee