Sage Intacct Implementation Lead

Sage Intacct Implementation Lead / Finance Systems Manager Role Summary

We are seeking an experienced Sage Intacct Implementation Lead to design, build, and deliver a core finance platform using Sage Intacct. This role will lead the end-to-end implementation lifecycle—from core finance engine build through UAT, go-live, and post-go-live support—ensuring a robust, well-controlled, and scalable financial system.

The role requires strong hands-on Sage Intacct expertise, deep finance systems knowledge, and the ability to work closely with Finance, Technology, and Business stakeholders.

• Design and configure the core Sage Intacct finance engine, including:
• Chart of Accounts
• Journals
• Balances and core financial structures
• Ensure configuration aligns with accounting standards and business requirements
• Support and/or execute unit testing of the core finance setup
• Resolve configuration defects identified during testing
• Prepare and deliver internal demos of the core finance engine to stakeholders

• Lead the configuration and validation of Sage Intacct reporting capabilities, including:
• Standard financial reports
• Management and operational reporting
• Implement business controls within Intacct, including:
• Audit trails
• Role-based access and segregation of duties
• Support or oversee integrations between Sage Intacct and upstream/downstream systems
• Ensure reporting and controls meet audit, compliance, and business requirements

• Coordinate deployment of Sage Intacct into the UAT environment
• Support the creation, review, and approval of:
• UAT test plans
• Test scripts and scenarios
• Lead or support data migration trial runs and reconciliation
• Support UAT execution, including:
• Defect triage and resolution
• Maintenance of issue and defect logs
• Ensure all critical and major defects are resolved
• Support user sign-off and readiness assessment for go-live

• Lead final data migration and reconciliation activities
• Execute the agreed cutover plan
• Coordinate production deployment of Sage Intacct
• Produce and hand over service transition documentation, including:
• System configuration documentation
• Support and BAU runbooks
• Support onboarding of the BAU support team
• Provide hypercare support post go-live
• Support final acceptance, project closure, and lessons learned documentation

• Proven experience implementing Sage Intacct in a finance transformation or ERP programme
• Strong understanding of:
• Month-end close processes
• Experience with UAT planning, execution, and defect management
• Experience with data migration and reconciliation for finance systems
• Strong stakeholder management and communication skills
• Ability to work across Finance, Technology, and Delivery teams
• Experience with system integrations involving Sage Intacct
• Accounting qualification or strong accounting background
• Experience in regulated or audit-heavy environments
• Previous involvement in go-live and hypercare phases for ERP systems

• Detail-oriented with a strong focus on quality and controls
• Structured and methodical approach to delivery
• Comfortable operating hands-on while also leading stakeholders
• Able to translate finance requirements into system configuration