Nightfall AI · 2 months ago
Lead AI/ML Applied Scientist
Palo Alto
Full-time
Hybrid
Senior Level, Lead/Staff
5+ years expNightfall is an AI-native platform focusing on data loss prevention and insider risk management. The role involves creating ML/NLP models and Gen AI solutions for security products while providing technical guidance to ML engineers and shaping the AI platform's architecture.
AnalyticsArtificial Intelligence (AI)Cloud Data ServicesData Center AutomationMachine LearningSaaS
Responsibilities
Fast-paced, hands-on execution, work with the team to set clear goals, and deliver against them
Apply statistical and machine learning techniques to come up with creative solutions for detecting and solving problems in the enterprise security space
Create, train and fine-tune NLP, large language and other models for use in large scale, real-time environments
Work with the team to take model prototypes to production through the entire ML lifecycle phases: system architecture, data creation, training, inferencing and evaluation
Help shape the architecture of the AI Models and Platform to support machine learning at scale and with optimal operational cost
Champion a culture of data and impact driven engineering
Qualification
Required
Minimum 5+ years of hands-on, technical development experience
5-10 years of experience mentoring and technically leading Data Science or ML Engineering teams
Strong expertise in Python with an additional language such as Go, C++, Java or Rust. Knowledge of data structures and algorithms is a must
Grounded in Data Science and Machine Learning algorithms with demonstrated business impact (preferably in security or related domain) through application of statistical and machine learning techniques
Proficient in training custom transformer, large language models or other deep learning models to solve complex NLP problems, and designing the ML systems to host models in production
BS/MS/Ph.D. in Computer Science, Applied Math or a related technical field
Preferred
Experience working in high growth venture-backed startups
Prior experience using AI in Security
ML training and inferencing at scale with hands-on experience with horizontal and vertical scaling, including use of GPUs
Experience with prompt and context engineering for LLMs, RAG/vector databases, conversational/agentic frameworks is a plus
Experience with ML frameworks such as Sagemaker, MLflow, Vertex AI, etc
Blog, teach, mentor, or help others learn outside of your day to day responsibilities
Familiarity with AWS and managed infrastructure
Company
Nightfall AI
Nightfall AI the AI-native, all-in-one data loss prevention platform.
51-200 employees
H1B Sponsorship
Nightfall AI has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (3)
2024 (5)
2023 (5)
2022 (3)
2021 (2)
2020 (1)
Funding
Current Stage
Growth StageTotal Funding
$60.3MKey Investors
WestBridge Capital
2022-08-10Series B· $40M
2019-11-07Series A· $20.3M
2018-11-26Seed
Leadership Team
Rohan Sathe
Co-Founder & CEO
Isaac Madan
Co-Founder & President
Recent News
Venrock
2025-12-23
2025-11-19
Company data provided by crunchbase