Financial Systems Application Lead

About Us

Stagwell is a global marketing and communications network built for the digital-first era. We combine creative, media, and technology capabilities to help brands drive measurable business outcomes. Our network includes leading agencies across digital transformation, performance media, communications, data, and experiential marketing, partnering with many of the world’s largest and fastest-growing companies.

Stagwell is a global marketing and communications network built for the digital-first era. We combine creative, media, and technology capabilities to help brands drive measurable business outcomes. Our network includes leading agencies across digital transformation, performance media, communications, data, and experiential marketing, partnering with many of the world’s largest and fastest-growing companies.

Unlike traditional holding companies, Stagwell operates as an integrated operating platform bringing together strategy, technology, and marketing execution to help clients grow revenue, build brands, and modernize their marketing organizations.

The Financial Systems Application Lead is responsible for the administration and optimization of the organization’s financial business application systems. This role partners closely with Accounting, IT, and cross functional stakeholders to ensure that financial applications are reliable, scalable, well governed, and aligned with business needs. The Lead oversees application enhancements, data integrity, integrations, and end user support while driving continuous improvement across financial processes.

• Serve as an owner of the organization’s financial applications (e.g., One Stream, reporting platforms).
• Maintain system configurations, dashboards, reporting, security roles, workflows, and user access in alignment with internal controls and audit requirements.
• Oversee system performance, availability, and ongoing maintenance.

• Lead evaluation, design, testing, and deployment of system enhancements, new modules, and upgrades.
• Drive process automation and standardization across the finance application landscape.
• Develop and maintain system documentation, data dictionaries, and process flows.

• Collaborate with Accounting, Tax, and Financial Shared services, to translate business requirements into scalable technical solutions.
• Engage with vendors on issue resolution and support cases.
• Coordinate with IT on integrations, infrastructure requirements, and cybersecurity alignment.

• Ensure projects meet scope, timeline, budget, and control requirements.
• Champion best practice governance, testing protocols, and change management processes.

• Provide tier 2/3 support for finance system issues, ensuring timely resolution and root cause analysis.
• Develop training materials, conduct workshops, and oversee onboarding of new users.
• Establish and enforce data governance standards, controls, and quality assurance routines.

• Bachelor's degree in finance, Accounting, Information Systems, or related field.
• 3-5 years of experience administering or leading financial systems (One Stream or similar platforms).
• Strong understanding of finance and accounting processes (Consolidation processes)
• Demonstrated experience managing system configurations, integrations, and enhancements.
• Excellent problem solving, communication, and stakeholder management skills.

• Experience with financial system platforms (e.g., One Stream, Hyperion).
• Experience with SOX compliant environments and financial controls.
• One Stream Administration Certified.
• Ability to design and maintain scalable dashboards, business rules, data models and reporting structures
• Proficiency in  and SQL.