Back to Jobs

Senior Risk Investigator - Card Fraud

Remote, USA Full-time Posted 2026-06-25

Description: • Review and action card fraud alerts in MasterCard Fraud Center and our internal transaction monitoring queue • Write new or tune existing card decline/monitoring rules directly in MasterCard Fraud Center, and backtest rules to assess customer friction tradeoffs • Collaborate with the Disputes team to understand and respond to new fraud trends that emerge from customer-reported unauthorized transactions • Send outbound customer communications to notify customers about potentially suspicious/unauthorized transactions • Work with the Customer Support team to resolve customer inquiries related to card declines due to risk rules • Directly collaborate with Risk Strategy, Risk Product, Risk Engineering to help build foundational elements of Mercury’s Card Fraud program • Write clear documentation on current processes, and drive process and tooling enhancements to maximize efficiency Requirements: • 4+ years of experience monitoring and mitigating card fraud in a high-paced, FinTech environment • Familiarity with MasterCard Fraud Center or similar fraud management tools such as Accertify, Falcon, etc. • Being a highly motivated self-starter who is comfortable working within a high stakes environment under minimal supervision • The ability to modify SQL queries to leverage internal data for deeper investigations, or write your own! • Loving problem solving and making product and processes more efficient • Comfort working flexible hours to support business critical situations on an as-needed basis Benefits: • Base salary • Equity (stock options) • Highly competitive salary and equity ranges Apply Job!

Similar Jobs

Bookkeeper Accountant – PT & Remote

Remote, USA Full-time

Homesite Bilingual Customer Service Representative (Remote)

Remote, USA Full-time

Virtual Chat Support Work At GitLab

Remote, USA Full-time

Registered Nurse - Healthcare Specialist (Remote)

Remote, USA Full-time

Healthcare Account Representative - Inside Sales

Remote, USA Full-time

SBA & Commercial Real Estate Originator

Remote, USA Full-time

Payroll Summer Intern (Hybrid, Charlotte, NC)

Remote, USA Full-time

QA Tester (ETL/DB and/or Python testing)

Remote, USA Full-time

Care Mgmt & Utilization Review Assistant

Remote, USA Full-time

Mobile Developer - Banking (English Speaking)

Remote, USA Full-time

Careercusp Needs A Online Verizon Remote $30/hr? Mysmartpros

Remote, USA Full-time

Experienced Part-Time Data Entry Clerk – Flexible Remote Work Opportunity

Remote, USA Full-time

Experienced Data Entry Clerk – Remote Work Opportunity with arenaflex

Remote, USA Full-time

Experienced Customer Support Representative – Public Benefit Programs

Remote, USA Full-time

Customer Lifecycle Specialist

Remote, USA Full-time

Apple Customer Service Jobs No Experience $35 Hours

Remote, USA Full-time

1:1 Paraprofessional (Dedicated Aide) SY 2025-2026

Remote, USA Full-time

Experienced Remote Customer Service Agent – Delivering Exceptional Support and Solutions to Diverse Customer Base at blithequark

Remote, USA Full-time

Experienced Data Entry Specialist – Remote Work Opportunity with arenaflex

Remote, USA Full-time

Experienced Online Chat Support Representative – Delivering Exceptional Customer Experiences at arenaflex

Remote, USA Full-time