Job Board
LogoLogo

Get Jobs Tailored to Your Resume

Filtr uses AI to scan 1000+ jobs and finds postings that perfectly matches your resume

Microsoft Logo

Principal Security Researcher - Security for AI

Microsoft

$163,000 - $331,200
Oct 10, 2025
Remote, US
Apply Now

Microsoft Security aspires to make the world a safer place by reshaping security and empowering users, customers, and developers with a security cloud that protects them with end-to-end, simplified solutions. The team builds and operates large-scale AI training and adaptation engines that power Microsoft Security products, turning cutting-edge research into dependable, production-ready capabilities.

Requirements

  • Doctorate in Statistics, Mathematics, Computer Science or related field
  • Experience with privacy preserving ML including differential privacy concepts, privacy risk assessment, and utility measurement on privatized data.
  • Proven track record of building and training large language models or multimodal models for production scenarios, including continual pretraining and task specific adaptation.

Responsibilities

  • Lead end-to-end model development for security scenarios, including privacy-aware data curation, continual pretraining, task-focused fine-tuning, reinforcement learning, and rigorous evaluation.
  • Deepen model reasoning and tool-use skills, and embed responsible AI and compliance into every stage of the workflow.
  • Partner closely with engineering and product to translate innovations into shipped experiences.
  • Design objective benchmarks and quality gates.
  • Mentor scientists and engineers to scale results across globally distributed teams.
  • Combine strong coding and experimentation with a systems mindset to accelerate iteration cycles, improve throughput and reliability.
  • Help shape the next generation of secure, trustworthy AI for our customers.

Other

  • Ability to meet Microsoft, customer and/or government security screening requirements are required for this role.
  • Microsoft Cloud Background Check: This position will be required to pass the Microsoft background and Microsoft Cloud background check upon hire/transfer and every two years thereafter.
  • Microsoft is an equal opportunity employer.