Lead OneStream Consultant

SystemsAccountants Inc.; Illinois; On-site; USD 120,000 - 180,000; Full time

Job summary

SystemsAccountants Inc. is seeking a Lead OneStream Consultant to join its growing consulting practice in Illinois.

You will own engagements from requirements through design, develop and deliver OneStream solutions for a diverse client base, blending hands-on technical work with leadership of client teams. You will mentor junior consultants, run workshops, and guide implementations across financial consolidation, planning, budgeting and forecasting, while communicating complex concepts to

Qualifications

• 3+ years hands-on experience implementing OneStream solutions.
• Experience with OneStream rules, configuration, workflows, metadata and reporting.
• Strong understanding of FP&A, financial close, budgeting and forecasting.
• Ability to lead requirements gathering and client discussions.
• Proven ability to mentor junior consultants and communicate with stakeholders.

Responsibilities

• Lead OneStream implementations and optimization projects from design to delivery.
• Facilitate requirements workshops and translate needs into scalable solutions.
• Design, configure, develop, and maintain OneStream applications and reporting.
• Apply FP&A knowledge to address COGS, consolidation, budgeting, and forecasting.
• Manage client relationships and communicate effectively with finance and tech stakeholders.
• Coordinate with project managers, identify risks, and ensure high-quality delivery.
• Mentor junior consultants through technical guidance and reviews.
• Support testing, deployment, and post-implementation activities.

Skills

OneStream

FP&A

Financial reporting

Stakeholder management

Mentoring

Job description

We are partnering with a growing consultancy to identify a Lead OneStream Consultant to join its team, delivering tailored CPM solutions for a diverse client base! This is an opportunity for an experienced OneStream professional who enjoys combining hands-on technical work with client leadership. You will take ownership of engagements from requirements gathering and solution design through to development, implementation, and delivery, working closely with clients to solve complex financial and operational challenges.

Alongside leading client engagements, you will collaborate with project managers, mentor junior consultants, and help deliver high-quality solutions across financial consolidation, reporting, planning, budgeting, and forecasting.

Key Responsibilities

• Lead OneStream implementations, enhancements, and optimization projects, taking ownership of both solution design and hands-on technical delivery.
• Work directly with clients to understand business challenges, facilitate requirements workshops, and translate functional needs into scalable OneStream solutions.
• Design, configure, develop, and maintain OneStream applications, including business rules, workflows, metadata, data integrations, and reporting solutions.
• Apply strong financial and FP&A knowledge to investigate business challenges involving COGS, balance sheet movements, financial consolidation, budgeting, forecasting, and management reporting.
• Independently manage client relationships, acting as a trusted advisor and communicating technical concepts and recommendations to finance and technology stakeholders.
• Partner with project managers to coordinate project activities, manage deliverables, identify risks, and ensure solutions are delivered to a high standard.
• Troubleshoot complex application and data issues, perform root-cause analysis, and implement effective, sustainable solutions.
• Mentor junior consultants through technical guidance, knowledge-sharing, code and solution reviews, and ongoing professional development.
• Support testing, deployment, documentation, and post-implementation activities to ensure successful adoption and long-term solution performance.
• Contribute to the continuous improvement of consulting methodologies, technical standards, and client delivery practices.

Required Experience

• 3+ years of hands‑on experience implementing, developing, configuring, and supporting OneStream solutions.
• Experience with OneStream business rules, application configuration, workflows, metadata, data integration, and financial reporting.
• Strong understanding of EPM and finance processes, including financial close, consolidation, FP&A, budgeting, forecasting, and management reporting.
• Ability to understand financial statements and investigate business issues relating to COGS, balance sheets, and financial performance.
• Proven experience leading requirements gathering, solution design, and client‑facing discussions.
• Ability to independently manage stakeholder relationships and translate business requirements into practical technical solutions.
• Demonstrated ability to mentor junior team members and provide technical leadership.
• Excellent communication, analytical, and problem‑solving skills, with the ability to bridge finance and technology.