Director, Financial Systems & Transformation

Flex•San Francisco, CA

2d•$180,000 - $225,000•Hybrid

About The Position

Flex is seeking a strategic leader to build and own the Financial Systems & Transformation function from the ground up. This role involves defining a new pillar within the Finance organization at a fast-scaling fintech, extending beyond traditional ERP administration into AI infrastructure, process automation, and controls architecture. The Director will own internal financial systems, design and build AI-powered workflows, and lead the build-out of ITGC and financial systems controls. This position requires fluency across finance, systems, and AI, and will partner closely with various teams including Engineering and AI Central. The role is based in the New York headquarters on a hybrid basis and reports to the VP Controller.

Requirements

10+ years of experience in financial systems, accounting technology, or a closely related field, with meaningful time spent in a high-growth or scaling environment.
Deep ERP expertise, ideally including implementation experience (go-live, integration design, configuration, and post-live optimization) with platforms such as NetSuite, Campfire, Sage Intacct, or equivalent.
Strong finance and accounting foundation, with sufficient understanding of US GAAP, month-end close processes, and financial reporting.
Demonstrated experience building or owning IT General Controls and access control frameworks (SOD enforcement, user provisioning, change management, and audit-trail documentation).
Strong grasp of financial master data design and governance (chart of accounts structure, dimension/segment design, and data architecture decisions).
Demonstrated ability to design or re-engineer core accounting processes (close, AP, payroll, or similar) around best practices.
Experience working directly with external auditors (Big 4 preferred) on IT controls testing and audit evidence standards.
Hands-on experience with API integrations and data pipeline design.
Genuine enthusiasm for AI and automation.
Exceptional communication skills.
Comfort building and scaling in a fast-paced, resource-constrained environment.

Nice To Haves

Experience with Campfire or another AI-native ERP platform.
Experience designing or operating AI-automated workflows in a finance or accounting context.
SOX compliance experience, including ITGC documentation, RCM design, and internal or external audit support.
Experience with close management platforms (FloQast, BlackLine, or equivalent) and financial reporting automation tooling.
Prior experience at a fintech, payments company, or similarly regulated financial services environment.
CPA or equivalent credential.
Formal project management experience or training.
Experience leading close process optimization or standardization initiatives.
Familiarity with payroll and AP operational best practices.

Responsibilities

Own internal financial systems including ERP, procure-to-pay (P2P), and T&E systems.
Design, build, and maintain AI-powered workflows for automation across the Finance function.
Lead the build-out of ITGC and financial systems controls.
Manage integrations between core financial systems and data sources.
Serve as the internal product owner for financial systems enhancements.
Partner with Strategic Finance on FP&A tooling.
Evaluate, implement, and administer additional tooling for financial reporting, SOX, and account reconciliations.
Own the technical architecture for agent-as-preparer workflows.
Partner with AI Central to extend the internal AI platform into Finance use cases.
Identify and prioritize new automation opportunities and own the agentic build roadmap.
Establish and maintain operational health monitoring for automated workflows.
Own IT General Controls (ITGCs) across all financial systems.
Design and maintain the control framework and access architecture for automated/agentic workflows.
Build out Flex’s broader controls readiness.
Serve as the primary liaison between the Finance function and external auditors on technology-related matters.
Build and maintain real-time close monitoring dashboards and alerts.
Systematically accelerate the month-end close cycle.
Support the build-out of automated financial reporting infrastructure.
Drive P2P process optimization and efficiency.
Build out and shape the Financial Systems & Transformation function over time.
Serve as the Finance function’s primary technical voice in cross-functional forums.
Champion AI and systems adoption across the Finance team.