Senior Support Engineer (Authorizations Processing)

Responsibilities

• ▹Provide technical support on payments and authorization flows (transaction processing, integrations, lifecycle events)
• ▹Investigate complex issues with Engineering and TAMs, analyzing root causes and validating system behavior
• ▹Support incident management, contributing technical analysis during high-severity issues
• ▹Collaborate with internal teams, communicating findings and client impact clearly
• ▹Validate platform changes, assessing the impact of releases and configuration updates
• ▹Develop internal tools and automation to improve operational efficiency
• ▹Leverage AI and automation, contributing to tools (agents, scripts) that speed up troubleshooting
• ▹Promote knowledge sharing across supported client and internal teams
• ▹Contribute technical narrative for external documents and escalate complex situations with context

Requirements

• ▹5+ years of relevant experience with a Bachelor's degree, or 2+ years with an advanced degree (Master's, MBA, JD, MD), or a PhD with no additional experience, OR 8+ years of relevant experience

Nice to have

• ▹Bachelor's degree in Computer Science, Engineering or a related field (or equivalent practical experience)
• ▹Experience in payments processing, authorization flows or card lifecycle systems (banking, fintech or payment networks)
• ▹Strong understanding of the transaction lifecycle: authorization, clearing, settlement, network interactions (Visa, Mastercard)
• ▹Experience with high-volume, real-time transactional systems, including transaction-level debugging
• ▹Background in technical support, SRE or backend engineering roles within distributed systems
• ▹Hands-on experience with APIs, integrations and message-based systems
• ▹Incident management experience for critical systems, including root cause analysis under pressure
• ▹Ability to analyze logs, metrics and transaction data to identify issues
• ▹Experience collaborating with engineering teams on investigations
• ▹Familiarity with automation/scripting, AI-driven approaches a strong plus

Soft skills

About the company

Pismo, part of the Visa group, runs a cloud-native core banking and card platform for enterprise clients, supported by the Enterprise Support team. Visa is a global leader in payments technology, operating in more than 200 countries and territories.