Senior Manager - Application Security Research

Joining Amex Tech means discovering and shaping your contribution to something big. Here, you can work alongside talented tech teams and build a unique career with the Powerful Backing of American Express. With a range of opportunities to work with the latest technologies, and a commitment to back the broader engineering community through open source, our mission is to power your success. Because Amex Tech is powered by our technology, our culture, and our colleagues.
The Technology organization enables and accelerates the company’s growth strategies, delivering global capabilities and services in support of Amex’s customers and colleagues, while maintaining 24/7 servicing and availability to ensure an uninterrupted, high-quality customer experience. Technology provides the foundation for everything we do in the company while driving differentiation through building and leveraging innovative technology and data insights.
At American Express, our mission is to deliver the world’s best customer experience every day. At the heart of this mission is our Information Security organization, enabling exceptional experiences built on a foundation of trust, service, and security. We leverage advanced technologies and data-driven insights to stay ahead of an evolving threat landscape. We foster a culture of passion, curiosity, and courage—empowering you to innovate, grow, and help shape the future of a Fortune 100 company.
Trust. Service. Security.
American Express is seeking a highly technical and innovative Senior Manager of Application Security Research to help advance our application security research, vulnerability discovery, and threat analysis capabilities.
Reporting to the Director of Application Security, this role will lead and actively contribute to advanced security research focused on identifying, analyzing, and mitigating vulnerabilities across applications, software components, APIs, AI/ML, and emerging technologies.
The ideal candidate combines deep hands-on expertise in reverse engineering, vulnerability research, secure code review, and software engineering with the ability to translate technical discoveries into actionable security intelligence.
This position works closely with the American Express Fusion Center, Security Operations Center (SOC), Cyber Threat Intelligence, Incident Response, and engineering teams to identify emerging threats, develop indicators of compromise (IoCs), improve detection capabilities, and proactively protect American Express against sophisticated cyber threats.
This is a hands-on technical leadership position requiring strong research capabilities, engineering expertise, and the ability to investigate complex security challenges independently while guiding others.
Bachelor's Degree in Computer Science, Information Systems, Cybersecurity, and/or comparable experience; advanced degree preferred
Knowledge of regulatory compliance and security standards
Knowledge of Identity & Access Management
Knowledge of Security Architecture Management
Knowledge of Security Governance and Operations
Knowledge of Security Testing & Remediation
Knowledge of Cloud Security Management
Knowledge of Data Privacy & Protection (DPP, GDPR)
Knowledge of AI-enabled cybersecurity operations platforms, automated threat detection techniques, and AI-assisted security analytics capabilities
Understanding of AI security risks, responsible AI governance principles, and the operational implications of AI-enabled technologies within cybersecurity environments
Experience in cybersecurity operations and application security
Experience in Technical Writing and Documentation Development
Experience with SCA/SAST/DAST/MAST/API Security
Experience in network security, understanding of network security principles, including firewalls, VPNs, and network segmentation
Experience in vulnerability scanning tools (e.g., Nessus, Qualys, Rapid7) and remediation processes
Experience with penetration testing using industry-standard tools (e.g., Burp Suite, Wireshark, Metasploit, SQL map) for ongoing monitoring and compliance
Experience in working on incident response efforts, including forensic analysis, malware analysis, and threat hunting
Experience in securing cloud environments (e.g., AWS, Azure, Google Cloud) and implementing cloud security best practices
Experience in regulatory requirements and standards (e.g., PCI-DSS, ISO 27001, NIST) and their application in cybersecurity operations
Experience in Business Continuity Planning and Disaster Recovery
At least one security related certification preferred like: GCPN, GWEB, GMOB, GOAA, GPEN, GWAT, GPEN, GXPN, GREM, CEH, C|ASE .NET, C|ASE Java, OSCP, OSWA, OSWE, CSSLP, other
Employment eligibility to work with American Express in the United States is required as the company will not pursue visa sponsorship for these positions.
Monitors application security systems to identify potential threats and vulnerabilities, ensuring timely detection and prevention of software security defects
Manages application security platforms and processes, serving as a subject matter expert to ensure robust protection and compliance with industry standards
Promotes the adoption of best practices, new technologies, and innovative solutions within the team, fostering continuous improvement and a culture of excellence
Oversees vulnerability management and/or application security testing to ensure remediation priorities align with organizational risk management strategies
Oversees development, implementation, and maintenance of security policies, procedures, and standards to ensure compliance with industry best practices and regulatory requirements
Plans event response efforts and ensures thorough investigation measures, remediation, and communication with stakeholders
Contributes to the development and continuous improvement of the organization's application security program, ensuring alignment with regulatory requirements and business objectives set by senior leadership

Work arrangement
Hybrid