A hands-on security engineer who has taken a company through PCI DSS and wants to do it again at Triple. You will be part of the engineering team and work with product and with banks' security teams, so that Triple's AI infrastructure meets the standards banks require.
Triple is building the intelligence layer for financial services. Triple is building the intelligence layer for financial services. From our roots in merchant transaction data, we've expanded to solve one of the industry's biggest challenges: payment disputes. With $10M in funding and a general footprint spanning over 60 banks and fintechs (including Airwallex, Qonto, and Trade Republic), we are a fast-moving, experienced team. Join us to help shape the future of banking operations.
Own PCI DSS at Triple: scope the cardholder data environment, implement the controls, collect the evidence, and take us through the assessment with the QSA
Set up and run vulnerability scanning, logging and monitoring, secrets management, key management, and access control




Harden our cloud and container infrastructure
Run threat models and penetration tests, and see the fixes through to production
Secure the AI agents that handle card and dispute data for banks
Answer security questionnaires and join technical reviews with banks
3+ years in security engineering, ideally in payments or another regulated industry
You have implemented PCI DSS controls and taken a company through a PCI DSS assessment
Solid knowledge of cloud and application security, including identity and access
Comfortable answering detailed technical questions from bank security teams
100% remote. We are an AI-native company: every engineer here works with coding agents daily, and you will have the AI tools you need without usage limits. The chance to shape how the world's largest banks run operations with AI.
Join Triple and help us build the intelligence platform for banking operations.

📌 Security Engineer (España)
🏢 Triple
📍 España