Senior Manager, Supplier Enablement & Spend Conversion

About the role

Brex seeks a leader to build and manage a new function focused on converting enterprise vendor payments to card transactions. This role involves developing the strategy, processes, and team to shift billions of dollars in non-card spend onto the Brex platform. You will operate at the intersection of product, implementation, business development, and sales, with significant growth potential.

Key facts

What you'll do

• Create the Spend Conversion function from the ground up, defining its strategy, entry criteria, engagement model, and key performance indicators for moving non-card vendor spend to Brex.
• Develop a comprehensive approach that includes Capital One operations and third-party vendors.
• Manage the entire vendor spend migration process, from analyzing vendor files and identifying card acceptance to negotiating terms and activating cards.
• Collaborate with product, implementation, business development, and sales to launch these workflows and expand our acceptance database through data partnerships.
• Directly advise enterprise customers, helping them unlock spend with key vendors and translating their objectives into concrete migration and negotiation plans.
• Design an AI-native approach to supplier enablement, moving beyond traditional manual methods.
• Implement operational rigor through tracking, reporting, and incentive structures to ensure the function is measurable and scalable.
• Recruit and mentor a team of specialists as the function grows, initially serving as a player-coach.
• Advocate for spend conversion internally, educating stakeholders and influencing how Brex captures a larger share of customer spending.

Requirements

• 5 or more years of experience in B2B or commercial card, payments, supplier enablement, or vendor/payment operations.
• Proven experience establishing a new function or program from scratch, or scaling an early, unstructured initiative, including setting up processes, KPIs, and operating rhythms.
• Practical understanding of card acceptance and merchant economics, including how vendors process cards, card-on-file versus card-per-invoice, fees, and buyer/supplier trade-offs.
• Demonstrated ability to negotiate and influence, both with vendors on acceptance terms and internally with executives and various departments.
• Direct customer-facing experience with enterprise clients, comfortable managing senior relationships and translating customer goals into actionable plans.
• A foundational, builder mindset: you can create a vision and drive it forward through uncertainty without relying on existing playbooks.
• A history of cross-functional collaboration, having delivered results alongside product, sales/business development, and implementation teams.
• Leadership experience, having managed people or significant projects, and ready to build and lead a team.

Nice to have

• Experience at a bank or issuer with a commercial or business card program, specifically in supplier enablement or merchant services, where you have seen this process operate at scale.
• Strong AI proficiency, having used or developed AI or agentic workflows to automate operational tasks, with an eagerness to apply this knowledge here.
• Startup or founder experience, ideally at an early-stage or AI-native company, demonstrating speed and resourcefulness.
• Exposure to a high-growth technology or fintech environment, navigating complex cross-functional challenges.

Skills & tools

• Commercial card programs
• Payment operations
• Supplier enablement
• Project management
• AI/Agentic workflows

Practical notes

This role is based in our San Francisco office. We operate in a hybrid model, requiring a minimum of three in-office days per week (Monday, Wednesday, and Thursday). Employees also have the option for up to four weeks of fully remote work annually. The listed salary range is for base pay and may vary based on location, skills, experience, market demand, and internal pay equity. Equity and other compensation may be included in the total package. Brex LLC is a subsidiary of Capital One, N.A.