Senior Security Engineer (Data Security)

Join Kikoff, a company dedicated to helping millions build credit. As a Senior Security Engineer, you will own the Data Security pillar, defining the strategy and driving the roadmap for data classification, access controls, encryption, and data flow security. You will design and implement tokenization and field-level protection, build access controls, and ensure secure data flows. You will also support data mapping and privacy engineering work, partner with Legal and Compliance, and enable engineering teams with reusable patterns and guidance.

• Own and dictate the data security roadmap, defining the strategy and driving it to completion.
• Design and ship tokenization and field-level protection for sensitive data, ensuring secure data flows.
• Build audit logging and data access monitoring that meets regulatory requirements and supports data mapping.

• Experience securing a modern data stack: Snowflake or a comparable warehouse, plus relational databases in production
• 6+ years in security engineering with deep, hands-on data security experience: encryption, tokenization, access control design, key management
• Strong command of AWS security primitives (IAM, KMS, S3 security, VPC controls)
• You've designed and shipped access control systems, not just configured them. Row/column-level security, ABAC/RBAC, access brokering
• Fluency in at least one language for automation (Python, Go, Ruby, or similar)
• Hands-on with infrastructure-as-code (Terraform or Pulumi)
• Comfortable in a regulated environment
• Tokenization at scale in fintech or payments
• Audit logging and data access monitoring you built yourself, not bought
• Experience securing data access for AI/LLM systems and agentic workloads
• Privacy engineering depth: data mapping, retention, deletion pipelines, cross-border transfer controls
• Consumer fintech or financial services background