About the role

ON.energy is building and operating hyperscale power systems at gigawatt scale. The Finance organization is scaling the systems, processes and controls that support that growth: a NetSuite implementation, Ramp, an inventory management system, process and controls work, and the Road to IPO.

This is a new position, created to own the execution of that portfolio end to end: Idea → Design → Plan → Implementation → Testing → Go-Live → Stabilization → Handover.

The role reports directly to the CFO, with dotted lines to the VP of Accounting/FP&A and the Head of Corporate Finance. That placement gives it a cross-functional mandate across all of Finance rather than a single sub-function. It works daily with Accounting, Treasury, Tax, FP&A, IT, Operations, Procurement, Legal, external advisors and vendors.

Role mission

Own and drive the successful execution of strategic Finance transformation projects, ensuring clear scope, accountability, timelines, cross-functional coordination, risk management, implementation and sustainable adoption. The role acts as Finance PMO Lead under the CFO as Executive Sponsor: it maintains the master plan, controls dependencies, tracks milestones, coordinates advisors, maintains the readiness tracker, identifies delays and escalates decisions.

Key responsibilities

Project management

• Develop project charters, scope, objectives, deliverables and success criteria.
• Build detailed implementation plans and milestones.
• Establish project governance and meeting cadence.
• Coordinate cross-functional teams and track deliverables and dependencies.
• Maintain project documentation and drive projects through completion.

Project governance

• Establish and maintain a consistent governance methodology: Executive Sponsor, Project Owner, Project Manager, Workstream Owners, Timeline, RACI, Budget, Risks, Decision Log and Status for every project.
• Report project status to the CFO on a fixed cadence, with the VP of Accounting/FP&A and the Head of Corporate Finance included.

Risk & issue management

• Maintain the risk register, issue log, dependency tracker, decision log and escalation process.
• Surface problems early and bring decisions to the CFO. Do not wait until a project is late to communicate that it is late.

Finance systems implementation

• Lead requirements gathering, process mapping and system design workshops.
• Coordinate data migration, UAT and cutover planning.
• Run go-live, hypercare and the post-implementation review.
• Manage implementation partners and vendors: statements of work, deliverables, quality and escalation.

Change management

• Coordinate stakeholder communication, training plans and SOPs.
• Own go-live readiness, post-go-live support and process documentation.
• Track user adoption against defined adoption KPIs.

Finance transformation portfolio

• Build and maintain the Finance Transformation Roadmap: initiative, owner, PM, priority, status and target date.
• Run a monthly portfolio review with the CFO, the VP of Accounting/FP&A and the Head of Corporate Finance.

Qualifications

Required

• 7–10 years of experience combining Finance / Accounting, Project Management, Finance Transformation and ERP implementation.
• Track record leading finance systems implementations end to end from the client side.
• Working command of core finance processes — close, AP/AR, expense, inventory and costing — and how they are reflected in an ERP.
• Experience managing implementation partners and vendors on scope, timeline and quality.
• Strong written and executive communication; able to drive accountability without direct authority.

Preferred

• NetSuite, Oracle or SAP; finance transformation; SOX; process redesign; UAT and data migration; internal controls; high-growth companies.
• Energy, infrastructure or construction industry exposure, including project accounting and project finance.
• PMP, CPA, CMA, Agile / Scrum or Lean Six Sigma. PMP is nice-to-have, not a requirement — successful ERP implementations count for more.
• Professional English and Spanish, given that vendors and advisors work in both.