Job Overview
Location
Remote - UK
Job Type
Full-time
Category
Machine Learning Engineer
Date Posted
May 25, 2026
Full Job Description
đź“‹ Description
- • Machine Learning Engineer II role focused on behavioral security products, specifically account takeover detection, where the work directly protects customers from evolving cyber threats and financial losses.
- • Day-to-day responsibilities include developing machine learning algorithms for behavioral modeling, conducting exploratory data analysis and feature engineering, productionizing models with infrastructure teams, monitoring and improving production systems, participating in code reviews, and staying current with ML research.
- • Join the Account Takeover Detection team at Abnormal Security, a recognized leader in email security protecting over 20% of the Fortune 500, with $5.1B valuation and 100% YoY ARR growth, operating as a remote-first UK-based role within a high-impact cybersecurity mission.
- • Opportunity to shape technical roadmap, define goals, solve real-world customer security problems, maintain production ML systems at scale, and grow expertise in applied ML for behavioral security in a fast-growing, innovative environment.
🎯 Requirements
- • Proven experience as a Machine Learning Engineer or similar role in a commercial environment (3+ years)
- • Knowledge of machine learning algorithms, statistics, and predictive modeling
- • Proficiency with Python and machine learning toolkits like pandas, scikit-learn, and optionally PyTorch/TensorFlow
- • Awareness of MLOps and productionization best practices for ML models
- • Familiarity with building data and metric generation pipelines using SQL or Spark
- • Ability to communicate technical ideas clearly to non-technical audiences
🏖️ Benefits
- • Opportunity to work on cutting-edge behavioral AI systems protecting over 20% of the Fortune 500
- • Part of a recognized cybersecurity leader (2024 Gartner Magic Quadrant Leader) with $5.1B valuation
- • Contribute to 100% YoY ARR growth and innovative threat defense in a high-impact security mission
- • Remote work flexibility based in the UK with a distributed, mission-driven team
- • Exposure to large-scale ML systems and collaboration with cross-functional engineering and product teams
- • Culture of continuous learning, ML best practices, and staying updated on latest AI research
Skills & Technologies
About Abnormal Security Corporation
Abnormal Security Corporation provides cloud-native email security using behavioral AI to block business email compromise, phishing, malware, and socially-engineered attacks. The platform integrates via API with Microsoft 365 and Google Workspace, analyzing identity, content, and context to detect anomalies without altering mail flow. Founded in 2018 and headquartered in San Francisco, the company serves mid-market to Fortune 500 organizations, reducing risk, automating incident response, and providing visibility into human-targeted threats.
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