Fraud Investigation Analyst

5+ years of experience in telecommunications fraud investigation (SMS, Voice) or high-tech/transaction-heavy industries (telco, fintech) Degree-level education or equivalent professional experience in fraud, risk, or data-related fields Strong expertise in fraud prevention methodologies and regulatory practices, including AML, KYC, and transaction monitoring Hands-on experience with fraud detection platforms, SQL, Excel, and data analytics tools; familiarity with AI/ML-based detection solutions Proven track record of analyzing large, complex datasets and delivering actionable recommendations Strong written and verbal communication skills Ability to work one day each weekend (Saturday or Sunday), as contractually agreed

Proactively detect, investigate and prioritize fraud incidents across Vonage’s communication platforms Monitor customer accounts and traffic usage to identity anomalies, suspicious behavior, and emerging fraud patterns Conduct deep dive analysis and make actionable recommendations to support fraud prevention, detection, and mitigation strategies Research and validate suspected cases of traffic abuse, account compromise, or policy violations Collaborate with cross-functional teams (products, engineering, compliance, customer support) to strengthen fraud controls and prevent recurrence Provide timely incident response for urgent fraud activity, ensuring rapid containment and effective communication to stakeholders Sharing fraud insights and trends with leadership to inform strategy and improve customer trust