Job Title: Senior Security Engineer – SSO/MFA & Application Modernization Location: Fort Worth, TX (Dallas Office – Hybrid) Need only Texas profiles Must attend F2F Client interview Summary: America
Fort Worth, TX, United StatesPosted Oct 28, 2026OnsiteOpen
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About this opportunity
Need only Texas profiles Must attend F2F Client interview Summary: American Airlines' Loyalty Customer Account Management Product team is responsible for enhancing the security of its loyalty platform and protecting loyalty mem…
American Airlines' Loyalty Customer Account Management Product team is responsible for enhancing the security of its loyalty platform and protecting loyalty members' accounts. The team focuses on Single Sign-On (SSO), Multi-Factor Authentication (MFA), monolithic application reengineering, and fraud-related technology implementations.
We are seeking an experienced Security Engineer with strong expertise in identity and access management, authentication technologies, API design, and enterprise application modernization. The ideal candidate will have hands-on experience with Ping Identity solutions, including PingFederate and PingOne, and the ability to design, develop, and support security solutions for mission-critical enterprise applications.
Key Responsibilities
Assess, design, develop, implement, and support security initiatives related to SSO, MFA, and identity and access management.
Implement security solutions using PingFederate, PingOne, and other relevant authentication technologies, following industry best practices.
Support and maintain Loyalty SSO components, including monitoring, alerting, troubleshooting, and production issue resolution.
Participate in on-call support activities to ensure the availability and reliability of critical authentication services.
Contribute to the reengineering and modernization of monolithic applications supporting loyalty features on aa.com.
Design, develop, and maintain secure, scalable, and reliable APIs for enterprise applications.
Collaborate with cross-functional teams to develop and implement security features across multiple customer-facing channels.
Evaluate existing systems and recommend improvements to security, performance, scalability, and maintainability.
Follow enterprise security standards and industry recommendations while implementing new features and enhancements.
Communicate technical designs, implementation approaches, and production issues effectively to technical and business stakeholders.
Required Skills and Qualifications
Strong hands-on experience with Single Sign-On (SSO), Multi-Factor Authentication (MFA), and identity and access management (IAM).
Practical experience with PingFederate and PingOne or comparable enterprise identity and authentication solutions.
Strong understanding of authentication protocols and standards, such as OAuth 2.0, OpenID Connect (OIDC), and SAML.
Experience designing and developing secure REST APIs and integrating enterprise applications.
Strong software design and development skills in large-scale enterprise environments.
Experience with application modernization, monolithic application reengineering, or migration toward modular architectures.
Ability to troubleshoot complex technical issues and support critical production systems.
Experience with monitoring, alerting, incident management, and production support.
Excellent communication, problem-solving, and collaboration skills.
Preferred Qualifications
Experience supporting customer-facing applications with high availability and security requirements.
Experience implementing fraud prevention and account security enhancements.
Familiarity with enterprise application architecture, distributed systems, and API security.
Experience working in Agile development environments.
Ability to participate in on-call rotations for production support.
Ideal Candidate Profile
The ideal candidate is a hands-on engineer with a strong combination of identity security, authentication technology, API development, and enterprise application design experience. The candidate should be comfortable working on mission-critical systems, modernizing legacy applications, and supporting secure digital experiences for loyalty program members.
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