Senior OneStream Architect & Developer — Finance

Flex; Austin (TX); On-site; USD 110,000 - 170,000; Full time

Job summary

Flex is seeking a highly experienced Business Systems Analyst / OneStream Solution Architect & Senior Developer to join our Austin-based IT team. You will lead architecture and development for OneStream across Consolidation, Planning, Reporting, and Data Integration, partnering with Corporate Finance to ensure accurate monthly close and SOX-compliant solutions.

The role demands designing scalable financial systems, guiding cross-functional teams, and delivering automated, reliable processes that

Qualifications

• Deep hands-on experience with OneStream XF across Consolidation, Planning, Reporting, and Integrations.
• Strong understanding of EPM data structures and multidimensional databases.
• Advanced SQL development skills.
• Expertise in OneStream Business Rules using VB.NET and/or C#.
• Strong troubleshooting, support, and stakeholder management capabilities.
• Ability to work effectively in high-pressure financial close environments while ensuring accurate and timely delivery of financial information.

Responsibilities

• Analyze complex business challenges and identify opportunities to improve operational efficiency through automated, scalable technology solutions.
• Partner with business and finance stakeholders to gather requirements, evaluate processes, and design cost-effective systems that support strategic objectives.
• Architect, develop, configure, and implement OneStream solutions across Financial Consolidation, Planning, Reporting, and Data Integration.
• Translate business requirements into secure, scalable, and SOX-compliant application designs and technical solutions.
• Manage the full application lifecycle, including solution design, development, testing, deployment, enhancements, documentation, and ongoing support.
• Design and support planning and forecasting applications, including workforce planning, CAPEX planning, cash planning, scenario modeling, allocations, and rolling forecasts.
• Build and maintain integrations between OneStream and ERP systems, including data validation, transformation mapping, workflow management, and drill-through reporting capabilities.
• Develop reporting and analytics solutions, including dashboards, cube views, board books, financial reports, templates, and ad hoc reporting tools.
• Provide technical expertise and consultation to users regarding system capabilities, enhancements, and best practices.
• Troubleshoot and resolve system, data, reporting, and process issues, performing root cause analysis and implementing sustainable solutions.
• Coordinate with Infrastructure, ERP, Application Support, and Finance teams to maintain system performance, availability, security, and data integrity.
• Lead continuous improvement initiatives by identifying process gaps, recommending enhancements, and overseeing implementation efforts.

Skills

OneStream XF

EPM data structures

SQL development

VB.NET/C#

Stakeholder management

Financial close

Tools

OneStream

Job description

Flex is seeking a highly experienced Business Systems Analyst / OneStream Solution Architect & Senior Developer to join our Austin-based IT team. You will lead architecture and development for OneStream across Consolidation, Planning, Reporting, and Data Integration, partnering with Corporate Finance to ensure accurate monthly close and SOX-compliant solutions.

The role demands designing scalable financial systems, guiding cross-functional teams, and delivering automated, reliable processes that