Principle OneStream Engineer / Ingénieur principal OneStream

About the role

TD SYNNEX is seeking a Principal OneStream Engineer to be the senior technical authority for our global OneStream EPM platform. This hands-on leader will design, build, and govern scalable OneStream consolidations, planning, forecasting, reporting, integrations, and automation that support Finance and FP&A. You will reduce technical risk, drive platform performance and stability, mentor technical teams, and enable enterprise financial transformation. This is a high-impact role with cross-functional influence and opportunities for technical leadership and career growth.

Responsibilities

• Lead architecture, design, development, and delivery of complex OneStream solutions across consolidations, close, planning, forecasting, reconciliations, reporting, workflows, security, and automation.
• Develop and review OneStream Business Rules, VB.NET extensions, APIs, and automation frameworks to meet global finance requirements.
• Define and enforce technical standards, metadata design, release/deployment controls, and platform governance to ensure performance, scalability, maintainability, and security.
• Design and govern enterprise integration patterns between OneStream and ERP, data warehouse, BI/analytics, and HR systems (ETL/ELT, APIs, SFTP).
• Own platform performance optimization (calculations, memory, metadata), incident escalation, root-cause analysis, and remediation for high-risk production issues.
• Produce architecture artifacts, runbooks, migration plans, and governance documentation to support audits, SOX/ITGC, disaster recovery, and operational continuity.
• Provide hands-on technical leadership and mentorship to internal developers and third-party integrators; collaborate closely with Finance Systems leadership, IT, Infrastructure, Cybersecurity, and vendors.

Requirements

• 10+ years' experience in Enterprise Performance Management (EPM) or financial systems; 5+ years with OneStream.
• Expert OneStream architecture experience, including Business Rules, Extensibility, APIs, and platform administration.
• Advanced VB.NET and scripting experience for OneStream customizations.
• Strong SQL and relational database skills; demonstrated experience designing complex data integrations.
• Proven track record optimizing application performance at enterprise scale.
• Deep understanding of Financial Close, Consolidation, Planning, and Forecasting.
• Bachelor's degree in Computer Science, Engineering, Finance, or related field, or equivalent experience.
• Excellent verbal and written communication skills; able to translate finance requirements into technical solutions and present to senior finance stakeholders.
• Experience with cloud-hosted EPM deployments, automation tooling, and CI/CD for application releases.
• Prior leadership in platform governance, SOX/ITGC controls, or large-scale EPM migrations.
• Familiarity with ERP platforms (SAP, Oracle, NetSuite) and related integrations
• Additional Skills & Attributes
• Strong attention to detail and data accuracy; proficient data-entry and record-keeping for critical financial and technical artifacts.
• Advanced computer literacy and ability to use common office equipment, collaboration tools, and relevant enterprise applications.
• Ability to follow instructions, work independently with minimal supervision, and proactively request clarification when needed.
• Exceptional problem-solving, critical thinking, decision-making, and prioritization in high-pressure, deadline-driven environments.
• Effective multitasking, time-management, and organizational skills to drive tasks to completion across competing priorities.
• Adaptable to change, resilient under stress, and able to flex with evolving project roadmaps and business needs.
• High professional and ethical standards, including maintaining confidentiality of sensitive data and compliance with governance requirements.
• Strong interpersonal skills: build collaborative relationships across teams and interact confidently with managers and senior leaders.
• Comfortable participating in extended phone/virtual sessions or wearing headsets for detailed technical discussions.
• Working Conditions:
• Professional, office environment.
• Remote / Work-from-home.
• Global travel required.
• Actual annual compensation offered will be based on several variables including geographic location, work experience, education, and skills/achievements, and will be mutually agreed upon at the time of offer. The average compensation for this role is US US 236,000-245,000 or CAD 240,000-250,000
• What We Offer & Culture
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