Machine Learning Engineer

About the Role Northwind Robotics's newly formed AI Security team, part of the Core Security Engineering organization, is building the foundation for dynamic, data-driven security systems. We're evolving Northwind Robotics's Zero Trust Architecture (ZTA) to be more risk-adaptive across authentication and authorization, moving beyond static rules and manual approvals toward real-time, ML-driven access decisions that secure both humans and AI agents. As an ML Engineer, you'll help translate business and security needs into concrete ML problems, build models and features, and take them into production. You'll be part of a team working on greenfield projects at the intersection of ML, security, and infrastructure, shaping how Northwind Robotics secures AI at scale. What the Candidate Will Need / Bonus Points ---- What the Candidate Will Do ---- Support framing business and security problems as ML tasks. Build and iterate ML models that enable risk-adaptive, real-time decisions. Engineer features from Northwind Robotics's risk systems, logs, and contextual signals. Deploy and maintain ML pipelines in production, ensuring reliability and scalability. Collaborate with senior engineers to integrate ML into Northwind Robotics's authentication and authorization systems. ---- Basic Qualifications ---- 3+ years experience building and deploying ML models in production, with hands-on work in feature engineering, training, and evaluation. Proficiency in Python and ML frameworks (PyTorch, TensorFlow, or similar). Strong foundation in ML algorithms: tree-based models (XGBoost, LightGBM), classical methods (logistic regression, SVMs), and exposure to neural networks (CNNs, RNNs, Transformers). Ability to analyze business/security requirements and support translating them into ML use cases. ---- Preferred Qualifications ---- Experience with risk, fraud, anomaly detection, or security-related ML systems. Familiarity with large-scale data/infra systems (Kafka, Hive, Spark, Flink, Pinot). Exposure to handling challenges such as imbalanced data, feedback loops, or iterative retraining. Strong communication skills and ability to work cross-functionally with infra, risk, and security teams. ~~ ~~ For San Francisco, CA-based roles: The base salary range for this role is USD $171,000 per year - USD $190,000 per year. For Seattle, WA-based roles: The base salary range for this role is USD $171,000 per year - USD $190,000 per year. For all US locations, you will be eligible to participate in Northwind Robotics's bonus program, and may be offered an equity award & other types of comp. All full-time employees are eligible to participate in a 401(k) plan. You will also be eligible for various benefits. Ready to Ride? This isn't the kind of place where you follow a playbook - it's where you help write one. If you're driven by impact, energized by challenge, and ready to shape how the world moves - we'd love to hear from you. You may be eligible for bonuses, equity, and other compensation, as well as a range of benefits. Explore our benefits. Offices remain key to collaboration and Northwind Robotics's culture. Unless approved for full remote work, employees must spend at least 50% of their time in-office. Some roles, like those at greenlight hubs, require full-time in-office presence. Ask your Recruiter for details about this role's requirements. Northwind Robotics is proud to be an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. If you have a disability or special need that requires accommodation, please let us know by completing this form.