Senior Fraud Investigations Analyst

Responsibilities

• Lead complex account takeover (ATO) investigations, including multi-account and organized fraud activity
• Analyze large datasets using SQL, Python, or similar tools to identify trends, anomalies, and attack patterns
• Use fraud detection tools, machine learning outputs, and risk-scoring systems to drive high-quality investigations
• Independently own investigations from detection through resolution, including clear documentation and recommendations
• Identify gaps in detection logic and contribute to improvements in rules, models, and workflows
• Partner with engineering, data, and product teams to enhance fraud detection capabilities and signal quality
• Act as an escalation point for high-severity or ambiguous fraud cases
• Develop and refine investigation playbooks and analytical approaches for ATO detection
• Support reporting and analysis of fraud trends, detection performance, and operational metrics
• Leverage AI/LLM tools to analyze large datasets, identify fraud patterns, and improve investigation speed and accuracy while validating outputs against source data

Basic Qualifications

• 4+ years of experience in fraud investigations, threat intelligence, cybersecurity, or risk management, with a focus on account takeover (ATO) attacks
• 2+ years of experience using SQL, Python, or similar tools to analyze data and drive investigations
• 2+ years of hands-on experience using fraud detection tools, machine learning models, or risk-scoring methodologies
• 2+ years of experience interpreting fraud indicators, behavioral signals, or transaction monitoring data
• Demonstrated experience analyzing fraud trends beyond individual case investigations (e.g., pattern detection, ring analysis)
• Experience using AI/LLM tools to enhance data analysis and investigations, with demonstrated ability to validate and apply outputs effectively

Preferred Qualifications

• Experience at a fintech company, technology company, or reputable financial institution
• Strong experience analyzing organized fraud rings or large-scale ATO campaigns
• Experience influencing fraud detection logic, models, or rule systems
• Familiarity with AI/ML techniques applied to fraud detection and risk analysis
• Ability to translate analytical findings into actionable improvements for product, engineering, or risk systems