A "fraud red team" is a specialized cybersecurity fraud team that simulates real-world fraud scenarios to identify vulnerabilities and test the effectiveness of fraud prevention measures within an organization. 
Responsibilities:

• Lead adversary simulation of products and processes to assess the effectiveness of controls and fraud detection and prevention systems
• Identify vulnerabilities to help Citi identify and address potential weaknesses in their fraud prevention strategies
• Provide recommendations for mitigation of vulnerabilities, lead debriefings with cross-functional partners to ensure mitigation of the detected vulnerabilities

• Knowledge of device fingerprinting, browser spoofing, proxy/VPN usage and basic scripting like Shell/Python/Java
• Create and use BOT tools and run velocity and load testing
• Fraud domain knowledge – understanding of fraud and credit risk systems, KYC/AML basics, BRI scams, SIM-Swaps, OTP attack and social engineering tactics
• Ability to read data logs and present quantitative analytics skills
• Conduct safe testing protocols with understanding of legal and ethical elements
• Assist Fraud Incident Response Teams with incident investigations and aid in technical risk assessments
• Coordinate with system development and infrastructure units to identify fraud risks and the appropriate controls for development, day-to-day operations, and emerging technologies
• Perform regular assessments based on changes in the fraud threat landscape
• Monitor vulnerability assessments and ensure that issues are addressed for the applications that they support
• Identify significant fraud threats and vulnerabilities
• Assume informal/formal mentorship role within teams and assist with the coaching and training of new team members
• Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency.

Qualifications:

• 6+ years of relevant experience
• Experience in fraud testing/red team, fraud ops or threat simulation
• Consistently demonstrates clear and concise written and verbal communication
• Proven influencing and relationship management skills
• Proven analytical skills
• Proven writing and communications skills

Education:

• Bachelor’s degree/University degree or equivalent experience

------------------------------------------------------

Job Family Group:

Technology

------------------------------------------------------

Job Family:

Information Security

------------------------------------------------------

Time Type:

Full time

------------------------------------------------------

Primary Location:

Jacksonville Florida United States

------------------------------------------------------

Primary Location Full Time Salary Range:

$113,840.00 - $170,760.00

In addition to salary, Citi’s offerings may also include, for eligible employees, discretionary and formulaic incentive and retention awards. Citi offers competitive employee benefits, including: medical, dental & vision coverage; 401(k); life, accident, and disability insurance; and wellness programs. Citi also offers paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays. For additional information regarding Citi employee benefits, please visit citibenefits.com. Available offerings may vary by jurisdiction, job level, and date of hire.

------------------------------------------------------

Most Relevant Skills

Please see the requirements listed above.

------------------------------------------------------

Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

------------------------------------------------------

Anticipated Posting Close Date:

Feb 10, 2026

------------------------------------------------------

Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

 

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.

View Citi’s EEO Policy Statement and the Know Your Rights poster.