OneStream EPM System Administrator

Chartwell; Mississauga; On-site; CAD 80,000 - 100,000; Full time

Job summary

A health and wellness organization is looking for an OneStream EPM System Administrator to manage and optimize their OneStream platform. The successful candidate will serve as the primary technical lead, ensuring seamless operations for financial consolidation, reporting, and planning. This role requires 3-5 years of experience in system administration, a certification in OneStream, and strong technical knowledge in related areas. Flexibility in work hours is essential to meet peak operational demands.

Qualifications

• 3-5 years of technical and financial system administration.
• Proven experience managing OneStream systems.
• Experience leading at least 1-2 OneStream implementations.

Responsibilities

• Serve as the primary OneStream administrator.
• Configure and maintain OneStream security.
• Manage application architecture and tune server settings.

Skills

Deep understanding of OneStream functionality

Scripting knowledge (VB.Net, SQL, Python, Jython)

Excellent communication skills

Ability to bridge IT and business

Time management

Education

Post-secondary Diploma or University Degree in Computer Science, Finance or related discipline

OneStream Administrator certification

Tools

OneStream

Oracle Hyperion

Job description

The OneStream EPM System Administrator will play a key role in managing and optimizing our organization’s OneStream platform. This position is responsible for serving as the primary technical lead for the OneStream environment, ensuring seamless operations for consolidation, reporting, and planning functions. The ideal candidate will provide deep technical expertise post-implementation to support business delivery and operational effectiveness.

Key Accountabilities

• Serve as the primary OneStream administrator, managing the environment for consolidation, reporting, and planning functions.
• Configure and maintain OneStream security, user roles, and access controls.
• Perform regular data load activities, data validation, and troubleshooting within the OneStream environment.
• Automate and monitor critical system processes, including backups and scheduled maintenance.
• Ensure business delivery and operational effectiveness across the EPM landscape

System Lifecycle and Quality Assurance

• Manage and execute Testing and QA activities in accordance with OneStream system releases.
• Plan and monitor test cycle results to support ongoing system testing and User Acceptance Testing (UAT).
• Develop and maintain comprehensive system documentation for future reference and training.
• Utilize monitoring tools to evaluate the general health and performance of the application.

Architecture and Integration Support

• Manage the application architecture and tune server settings for optimal performance.
• Manage complex system integrations and automation to ensure seamless data flow between source systems (ERP, legacy systems, etc.) and OneStream.
• Review system logs to troubleshoot technical issues and ensure robust archiving methodologies are in place.
• Leverage OneStream automation tools, such as Workflow, to improve planning processes.

Qualifications

Education

• Post-secondary Diploma or University Degree in Computer Science, Finance, or a related discipline.
• OneStream Administrator certification is required.
• Accounting and Financial knowledge is a strong asset.

Experience

• 3-5 years of professional experience in technical and financial system administration.
• Proven experience managing OneStream systems in an administrator, consultant or developer role.
• Experience with OneStream implementation and post-go-live support is highly desirable.
• Experience leading at least 1-2 OneStream implementations as a technical lead or administrator.
• Serving as a liaison between IT and business stakeholders, troubleshooting issues and supporting users.
• Knowledge of Oracle Hyperion is an asset.

Skills & Abilities

• Technical Knowledge: Deep understanding of OneStream functionality including consolidation, reporting, data integration, and security management.
• Scripting: Knowledge of scripting languages such as VB.Net, SQL, Python, or Jython.
• Communication: Excellent interpersonal skills with the ability to present technical ideas in a user-friendly format and train end-users.
• Liaison: Ability to serve as a bridge between IT and business stakeholders to resolve issues effectively.
• Time Management: Ability to manage multiple tasks and work under tight deadlines during peak deliverable periods (e.g., Month-end and Budget cycles).

Working Conditions

• Availability to work non-standard hours and be flexible concerning workdays.
• Irregular work hours required during peak periods such as Seasonal, Month-end, and Budget cycles.
• Off-hour support requirements based on ongoing operational and project demands.

About Us

At Chartwell, we’re all about Making People’s Lives BETTER: the lives of our residents and their families, and the lives of our employees. Join an exceptional group of diverse, inspiring, and caring people who are empowered to provide personalized, human experiences for our residents and staff through the connections they make every day within our communities.

Chartwell’s commitment to diversity and inclusivity is a commitment to hiring people whose skills and abilities contribute the most to the success of the organization and who reflect the communities in which we live and work. We are an equal opportunity employer and welcome applications from a wide range of qualified candidates, including people with disabilities. If you have questions or require assistance with the application process, please email [e-mail] or call 1-888-663-6448.

Job Info

• Job Identification 21537
• Job Category Information Technology/Systems/Services
• Posting Date 01/16/2026, 09:18 PM
• Job Schedule Full time