Senior OneStream Consultant — End-to-End Implementations

EY; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

EY Singapore is seeking a Senior Associate in Consulting to shape client outcomes across OneStream deployments. You will lead end-to-end implementations, design and configure OneStream applications, and guide junior team members.

You will develop planning, budgeting, forecasting solutions, manage data integration with ERP/CRM, and ensure quality through EY methodologies. Strong analytics and stakeholder management are essential.

Qualifications

• Bachelor's degree in Accounting, Finance, Information Systems, Computer Science, Engineering, or related field.
• 5–8+ years of relevant consulting or industry experience.
• Minimum 3–5 years of hands-on OneStream implementation experience.
• Experience delivering multiple full lifecycle OneStream implementations.
• OneStream Platform Administration.
• Experience delivering client engagements and managing workstreams.
• Strong analysis, problem-solving and client-ready outputs.
• Proven ability to manage stakeholders and work in teams.
• Strong written and verbal communication skills.

Responsibilities

• Lead end-to-end OneStream implementations, including requirements gathering, solution design, development, testing, deployment, and hypercare support.
• Design and configure OneStream applications: Cubes, workflows, security, metadata, dashboards, rules, reporting.
• Develop planning, budgeting, forecasting, consolidation, and management reporting solutions.
• Design and implement data integration frameworks with ERP, HR, CRM, and other systems.
• Develop and optimize business rules, data load processes, and performance tuning.
• Support data migration, reconciliation, and validation activities.
• Lead and manage discrete workstreams within large engagements; plan, execute, deliver.
• Supervise, coach and develop junior team members; review deliverables.
• Ensure EY methodologies, quality standards and risk management.
• Contribute to business development through proposals, client presentations and thought leadership.
• Support internal practice initiatives and knowledge development.

Skills

OneStream

Stakeholder Mgmt

Data integration

Project management

Business analysis

Requirements gathering

Testing & QA

Leadership

Mentoring

Education

Bachelor's degree in Accounting/Finance/IS/CS/Engineering

Job description

EY Singapore is seeking a Senior Associate in Consulting to shape client outcomes across OneStream deployments. You will lead end-to-end implementations, design and configure OneStream applications, and guide junior team members.

You will develop planning, budgeting, forecasting solutions, manage data integration with ERP/CRM, and ensure quality through EY methodologies. Strong analytics and stakeholder management are essential.