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Harmonic Finance™ | Certified B Corp Logo Harmonic Finance™ | Certified B Corp · Finance

Interim Finance Transformation Manager

United Kingdom, London · Job Posted March 20, 2026
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Job Description

Interim Finance Transformation Manager | High-Growth Technology Scale-Up. Harmonic are delighted to be partnering exclusively with a fast-growing, Series D technology business in their search for an experienced Interim Finance Transformation Manager on a contract basis (Outside IR35). Our client is on a rapid journey towards IPO and has multiple exciting growth and strategic initiatives on the horizon. This organisation operates a NetSuite-led finance tech stack and is now looking to optimise how systems interact, automate workflows, and improve reporting as the business continues to scale.

Job Responsibility

  • Lead initiatives to optimise NetSuite as the core finance platform, ensuring it is configured to support scalable finance processes
  • Review and improve NetSuite integrations across billing, procurement, payments, reporting, and operational systems
  • Work closely with finance and data teams to improve how financial data flows into and out of NetSuite
  • Support the implementation and integration of a treasury management system, ensuring seamless connectivity with NetSuite
  • Identify opportunities to automate finance processes within NetSuite, reducing manual intervention across AR, AP, and reporting workflows
  • Improve intercompany accounting structures and transaction flows within the NetSuite environment
  • Ensure reporting outputs from NetSuite align effectively with planning and performance reporting tools
  • Partner with internal stakeholders to enhance NetSuite reporting, dashboards, and financial insights

Requirements

  • Strong hands-on experience working with NetSuite in a transformation or optimisation capacity
  • Experience improving or implementing NetSuite integrations with other finance systems
  • Solid understanding of finance processes including AR, AP, intercompany, and financial reporting
  • Ability to translate finance requirements into NetSuite configuration and workflow improvements
  • Strong stakeholder management across finance, operations, and technology teams
  • Experience in a scaling/growth environment (VC or PE)
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