Interim Finance Transformation Manager - NetSuite | High-Growth Technology Scale-Up at Harmonic Finance™ | Certified B Corp, London Area, £425-£525 per day

Interim Finance Transformation Manager | High-Growth Technology Scale-Up

Harmonic are delighted to be partnering exclusively with a fast-growing, international venture backed 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.

The Role

Reporting into senior finance leadership, you will lead a number of finance transformation initiatives centred around NetSuite optimisation, system integrations, and finance process improvement. The role will focus on ensuring NetSuite is configured and integrated effectively with surrounding platforms, enabling accurate reporting, improved automation, and scalable financial processes.

You will also support the rollout and integration of a new treasury management tool, ensuring it connects seamlessly with NetSuite and the wider finance data architecture.

Key Responsibilities

• 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

What We Need to See (Essential)

• 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).

Day Rate: £425-£525 per day (Outside IR35)

Contract Length: Initial 6 months

Start Date: ASAP

Location: London / Hybrid

If you are interested - to be considered for the role please apply online and forward your CV to ed.naish@harmonicfinance.com

At Harmonic, we are dedicated to fostering an inclusive and equitable workplace. We actively welcome applications from individuals of all backgrounds and assure you that every candidate will be thoughtfully considered for the roles we represent, without regard to race, religion, gender expression, disability, or sexual orientation.