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Security Operation Center Cyber Fraud and Web Application Defense Analyst

Singapore, Singapore · Job Posted April 06, 2026
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Job Description

This is an intermediate level position responsible for leading efforts to prevent, monitor and respond to information/data breaches and cyber-attacks on a 24x7 basis. The overall objective of this role is to ensure the execution of Information Security directives and activities in alignment with Citi's data security policy.

Job Responsibility

  • Actively monitoring, researching, and assessing security events to identify and analyze web application attacks and digital fraud
  • Specialized in detecting and responding to threats such as Account Takeovers (ATO), Distributed Denial of Service (DDoS) attacks, common web application vulnerabilities (e.g., Cross-Site Scripting, SQL injection, command injection), and anomalies in financial transactions
  • Follow pre-defined actions to handle BAU and high severity issues including escalating to other support groups
  • Execute daily ad hoc tasks or lead small projects as needed
  • Perform assessment as well as troubleshooting to help isolate technical issues with the integration of fraud monitoring technologies
  • Identify areas for tuning use cases to enhance monitoring value
  • Engage with Fraud Policy, Operations, Strategy and other teams for early detection, prevention, and mitigation of detected fraudulent activities

Requirements

  • 5-8 years of relevant experience in SOC
  • Relevant experience in cyber fraud is a plus
  • Following Certifications will be considered a plus: [CISSP, GWAPT and CFE]
  • Bachelor’s degree/University degree or equivalent experience
  • Strong knowledge of current Digital Fraud trends including common Account Takeover techniques
  • Deep understanding of Application Layer Protocols (HTTP) and OWASP Top 10, including detection of common web application vulnerabilities
  • Knowledge of cutting-edge threats and technologies affecting Web Applications
  • Consistently demonstrates clear and concise written and verbal communication
  • Proven influencing and relationship management skills
  • Proven strong analytical skills
  • Attentive to detail and possess a strong investigative mindset
  • A good team player, self-driven and able to act as individual contributor

Nice to have

  • Experience with vulnerability assessment as well as penetration testing
  • Experience w­ith any scripting language and Splunk
  • Understanding of various operating systems (Windows/UNIX), and web technologies (focusing on Internet security)
  • Experience with Big Data Technologies, ETL Tools, Data Warehouse and Business Intelligence technologies

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