Senior Support Engineer (Authorizations Processing)

About Us Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid. At Visa, you'll have the opportunity to create impact at scale — tackling meaningful challenges, growing your skills and seeing your contributions impact lives around the world. Join Visa and do work that matters – to you, to your community, and to the world. Progress starts with you. Job Description Pismo is seeking a Senior Support Engineer specializing in Payments and Authorization flows to support enterprise clients within the Enterprise Support team. This role focuses on providing deep technical support on transaction processing, authorization flows, and card lifecycle operations, while collaborating closely with engineering teams to investigate issues, validate behavior, and improve platform reliability. The Sr. Support Engineer acts as a technical bridge between the client and internal teams, contributing to faster resolution, better diagnostics, and continuous improvement of platform operations. Key Responsibilities: Provide technical support on payments and authorization flows, including transaction processing, integrations, and lifecycle events Investigate complex issues, working closely with Engineering and TAMs to analyze root causes and validate system behavior Support incident management, contributing technical analysis during high-severity issues and escalations Collaborate with internal teams, ensuring clear communication of technical findings and client impact Validate platform changes, helping assess the impact of releases, configurations, and operational updates Develop internal tools and automation, improving operational efficiency and diagnostics capabilities Leverage AI and automation, contributing to the creation of tools (e.g., agents, scripts) to accelerate troubleshooting and reduce manual effort Promote knowledge, across supported client and internal teams to leverage skills. Contribute with the technical narrative for external documents and escalate complex situations with context. This is a remote position. A remote position does not require job duties be performed within proximity of a Visa office location. Remote positions may be required to be present at a Visa office with scheduled notice. #LI-Remote Qualifications Basic Qualifications: 5+ years of relevant work experience with a Bachelor’s Degree or at least 2 years of work experience with an Advanced degree (e.g. Masters, MBA, JD, MD) or 0 years of work experience with a PhD, OR 8+ years of relevant work experience. Preferred Qualifications: 5+ years of relevant work experience with a Bachelor’s Degree or at least 2 years of work experience with an Advanced degree (e.g. Masters, MBA, JD, MD) or 0 years of work experience with a PhD, OR 8+ years of relevant work experience. Bachelor’s degree in computer science, Engineering, or a related technical field (or equivalent practical experience) Proven experience in payments processing, authorization flows, or card lifecycle systems, preferably in banking, fintech, or payment networks Strong understanding of end-to-end transaction lifecycle, including authorization, clearing, settlement, and network interactions (e.g., Visa, Mastercard) Experience working with high-volume, real-time transactional systems, including debugging and analyzing transaction-level behavior Solid background in technical support, SRE, or backend engineering roles within distributed systems environments Hands-on experience with APIs, integrations, and message-based systems, including troubleshooting across system boundaries Experience in incident management for critical systems, including root cause analysis and working in high-pressure scenarios Ability to analyze logs, metrics, and transaction data to identify issues and propose solutions Experience collaborating with engineering teams on investigations and system behavior validation Familiarity with automation, scripting, or building internal tools, with exposure to AI-driven approaches is a strong plus Main Performance Indicator Issue Investigation Effectiveness — Accuracy and depth of technical analysis, including quality of root cause identification and diagnostics Incident Contribution & Resolution Support — Effectiveness in supporting high-severity incidents through timely analysis and coordination with Engineering and TAMs Transaction & System Insight Quality — Ability to analyze transaction flows, logs, and data to identify patterns, anomalies, and root causes Operational Efficiency Improvement — Contributions to internal tools, automation, or AI-driven solutions that improve troubleshooting and support processes Collaboration & Engineering Feedback — Quality of collaboration with Engineering teams, including clarity of technical findings and actionable feedback Visa is an EEO Employer Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status. Visa will also consider for employment qualified applicants with criminal histories in a manner consistent with EEOC guidelines and applicable local law. If you thrive on rapid growth and enjoy working alongside positive, driven teammates, you’ll feel right at home here. Help us to uplift everyone, everywhere. Whether you’re starting your career, pushing your capabilities or are a seasoned professional, learn how we can partner to reimagine the world. Introduce yourself to our recruiters and we'll get in touch if there's a role that seems like a good match. At Visa, we are driven by a common purpose – to uplift everyone, everywhere by being the best way to pay and be paid. Our evolving technology keeps us at the heart of the digital economy, connecting people to 80+ million businesses worldwide. Backed by a resilient, proven model, our expanding network fuels growth—for Visa and for your career. Your journey starts here — discover how we hire Ready to take the next step? Learn more about life at Visa, explore our hiring process and get first-hand insights by hearing directly from our recruiters about what to expect. Apply with confidence today! Learn our recruiting process