Confirmed on the employer's own hiring board on Oct 11, 2026. First seen by Alion on May 17, 2026. Doppel scores B on the Alion truth index.
Join Doppel, an AI-native social engineering defense platform. As a Machine Learning Engineer, you will design, train, and deploy models for detecting malicious content across various data sources. You will collaborate with internal teams and customers to translate real-world threats into production ML systems. Enjoy benefits such as health coverage, flexible time off, and a home office setup.
Missions
- Design, train, and deploy machine learning models for batch and real-time inference to identify malicious content.
- Collaborate with Detection and Infrastructure teams to ensure machine learning systems scale with the volume of web data.
- Work on a range of problems including NLP, embeddings, similarity search, classification, and anomaly detection.
Profil recherché
- Have experience building and deploying ML systems in production environments- Are excited about solving real-world problems where the adversary is constantly evolving
- Are comfortable working with large-scale datasets and distributed data processing frameworks
- Understand the trade-offs between research-quality models and production-ready systems

