Senior Enterprise TAM – Payments Strategy & Growth

Basis Theory; United States; On-site; USD 150,000 - 230,000; Full time

Job summary

Basis Theory is seeking a Senior/Principal Technical Account Manager to own post-sales relationships for our largest enterprise merchants. You will steward the commercial trajectory and act as a strategic advisor across payments, engineering, and finance while coordinating multiple internal teams to ensure retention, expansion, and customer health.

You will own executive relationships, drive renewal cycles, and identify expansion opportunities within a complex payments stack, partnering closely

Qualifications

• 10+ years in technical account management or enterprise post-sales.
• Experience with payments, fintech, or API/infrastructure.
• Proven renewals and expansion for large enterprise accounts.
• Executive presence with VP/C-level stakeholders.
• Ability to translate usage data into expansion narratives.

Responsibilities

• Own the post-sales relationship for Basis Theory's largest enterprise accounts.
• Build and maintain executive relationships across payments, engineering, product, and finance.
• Advise on payments strategy, design, and delivery at scale: orchestration, cost and authorization optimization, resiliency, and roadmap.
• Lead complex renewal cycles, review usage, surface risk early, and enable sales to scope terms.
• Coordinate internally to mobilize senior stakeholders and drive resolution.

Skills

Technical AM

Payments domain

Executive presence

Stakeholder mgmt

Renewals

Expansion

Technical communication

Job description

Basis Theory is seeking a Senior/Principal Technical Account Manager to own post-sales relationships for our largest enterprise merchants. You will steward the commercial trajectory and act as a strategic advisor across payments, engineering, and finance while coordinating multiple internal teams to ensure retention, expansion, and customer health.

You will own executive relationships, drive renewal cycles, and identify expansion opportunities within a complex payments stack, partnering closely