Finance System Implementation Specialist - 6mth FTC

Finance System Implementation Specialist - 6mth FTC

Department: Finance

Employment Type: Fixed Term - Full Time

Location: UK

Reporting To: Amanda Langstaffe

Description

We are seeking an experienced Group Reporting, Consolidations and Cashflow Specialist for our Onestream implementation project. Reporting to the Project Lead, you will lead the design, migration, and optimisation of group consolidations, balance sheet integrity, and cashflow reporting within the new system.

You will combine deep technical accounting expertise with system implementation experience, working closely with Group Finance, IT, external consultants, and the wider programme team to deliver robust group reporting solutions.

Key Responsibilities 1. Group Consolidations and Balance Sheet Design

• Lead design and configuration of group consolidation processes, ownership structures, and legal entity hierarchies
• Configure intercompany eliminations, FX translation logic
• Design balance sheet consolidation workflows, reconciliation processes, and period-over-period variance analysis
• Implement data validation rules and controls to ensure balance sheet integrity
• Advise on technical accounting treatments for complex items and their system impact

2. Cashflow Reporting

• Lead design of cashflow models supporting both direct and indirect methods
• Ensure robust linkage between balance sheet movements, P&L, and cashflow derivations
• Configure treatment of intercompany cashflows, eliminations, and FX impacts
• Ensure outputs are fully reconcilable, auditable, and standards-compliant

3. System Implementation and Integration

• Work with Onestream implementation team and external consultants to map and integrate group reporting processes
• Validate data migration accuracy and integrity for consolidation, balance sheet, and cashflow data
• Configure system workflows, hierarchies, and reporting structures
• Review and challenge solution designs from implementation partners

4. Testing and Quality Assurance

• Develop and execute test cases for consolidations, balance sheet, and cashflow processes
• Lead UAT for group reporting outputs
• Perform detailed reconciliations between legacy and new systems
• Troubleshoot and resolve issues through testing, cutover, and go-live

5. Stakeholder Management and Documentation

• Gather and validate requirements from Group Finance
• Act as SME for group reporting, providing guidance to the project team
• Coordinate with other programme streams and manage dependencies
• Create training materials and document process designs, configurations, and procedures
• Support handover to BAU teams

Skills, Knowledge and Expertise Essential Requirements:

• Proven experience leading group consolidations, balance sheet reporting, and cashflow in complex, multi-entity environments
• Strong technical knowledge of consolidation principles (IFRS and UK GAAP), including intercompany eliminations and FX translation
• Experience in cashflow statement preparation (indirect and direct method) and balance sheet to cashflow reconciliation
• Experience on finance system implementation projects, preferably with Onestream or similar platforms (SAP BPC, Hyperion, Tagetik)
• Multi-entity, multi-currency consolidation experience
• Advanced Excel and familiarity with finance data structures
• Experience working within programme governance structures

Desirable:

• Previous Onestream implementation experience
• Professional accounting qualification (ACA, ACCA, CIMA or equivalent)
• Experience with statutory consolidation and audit processes
• Experience managing external system integrators

Key Competencies:

• Strong leadership and stakeholder management across finance, IT, and external partners
• Ability to translate complex accounting requirements into practical system solutions
• Exceptional attention to detail and commitment to accuracy
• Strong problem-solving skills with focus on delivering robust, scalable solutions
• Excellent communication skills
• Ability to manage competing priorities in fast-paced project environments

Benefits

We are a global fast-growing company which offers a variety of opportunities for you to develop your skill set and career. In exchange for your contribution, we can offer you:

• A competitive salary and benefits
• Generous annual leave including an extra day off for your birthday
• Fantastic office space in Old Street
• A company focus on wellbeing and work life balance including initiatives like flexible working, mental health support and regular health and wellbeing events

Ebiquity aims to create a workplace that is open and supportive, and free of discrimination and prejudice. We want the best talent available, regardless of race, religion, gender, gender reassignment, sexual orientation, marital status, pregnancy, disability or age.