sr. sap ariba lead.

We are seeking a Senior SAP Ariba Lead to guide the strategic design, integration, and deployment of cloud procurement solutions for a major enterprise modernization program in Toronto. In this role, you will be the primary functional authority ensuring alignment between complex procurement requirements, Ariba capabilities, and a core SAP S/4HANA digital core.

You will manage the end-to-end lifecycle of the implementation across upstream and downstream modules, from initial process mapping and configuration to supplier onboarding and post-go live hypercare. The ideal candidate is a certified Ariba expert capable of navigating multi-layered integrations, mitigating process risks, and leading business teams through highly integrated technical changes.

Location: Toronto, ON (Hybrid – 2 to 3 days per week onsite)
Contract Duration: 16-month contract
Anticipated Start: ASAP

Advantages
Project Longevity: A stable 16-month contract running through critical design, deploy, and stabilization phases.

Strategic Ownership: Step into a senior leadership role guiding a high-visibility procurement transformation for a critical transit enterprise.

Advanced Tech Stack: Direct engagement with modern SAP S/4HANA architecture and Ariba NextGen environments.

Central Location: Convenient hybrid schedule based out of a central Toronto office footprint.

Responsibilities
Solution Architecture Alignment: Guide the functional design and deployment of a comprehensive Ariba suite, ensuring full process harmony with the broader SAP S/4HANA ecosystem.

Module Leadership: Drive configuration and deployment activities across Ariba Sourcing, Contracts, Buying & Invoicing, Supplier Lifecycle & Performance (SLP), and Spend Analysis.

Roadmap Modernization: Support the strategic adoption, enablement, and rollout of Ariba NextGen capabilities.

Process Engineering: Elicit requirements for end-to-end source-to-pay (S2P) cycles; build functional specifications, workflow configurations, and identify operational process gaps or risks.

Integration & Data Migration: Partner with technical teams to facilitate smooth data migration, master data mapping, CIG/Managed Gateway integrations, and robust system-interface testing.

User Acceptance & Onboarding: Guide business units through comprehensive UAT cycles that reflect real-world procurement workflows. Coordinate supplier enablement and onboarding playbooks.

Governance & Delivery: Review all project documentation (blueprints, design records, testing scripts) to ensure alignment with defined scope, architecture principles, and change control procedures.

Cutover & Hypercare: Provide hands-on leadership during core project cutover planning, operational readiness assessments, and post-implementation stabilization (hypercare).

Qualifications
Core Experience: Minimum 10 years of experience in procurement technology or SAP Ariba solution leadership.

Hands-on Implementation: Mandatory 5+ years of direct experience configuring, implementing, and supporting Ariba Upstream and Downstream modules (Sourcing, Contracts, Buying & Invoicing, SLP, Spend Analysis).

Certification: Mandatory SAP Ariba Certification in one or more core modules.

Systems Integration: Major system implementation history with a strong conceptual and practical understanding of how Ariba integrates into backend ERP structures (ideally SAP S/4HANA).

Tooling & Agile: Experience using Azure DevOps (or similar) for tracking requirements, configuration sprints, and release management. High proficiency in MS Office tools.

Soft Skills: Superior written and verbal communication skills; strong problem-solving capabilities with a history of driving consensus among varied business units.

Education: Post-secondary education in a related field (e.g., Supply Chain, Information Systems, Business Administration).

Nice-to-Have Skills
Prior experience within the Public Service, Transit, or Transportation sector.

SAP S/4HANA financial or procurement module certifications.

Formal governance or process framework certifications (such as ITIL).

Deep technical familiarity with Ariba integration tools, cloud integration gateways, and workflow automation.

Summary
If you are an authoritative SAP Ariba Lead with a track record of connecting upstream and downstream sourcing processes into enterprise ERP environments, we encourage you to apply online at Only qualified candidates will be contacted for the next steps. We look forward to hearing from you!

Randstad Canada is committed to fostering a workforce reflective of all peoples of Canada. As a result, we are committed to developing and implementing strategies to increase the equity, diversity and inclusion within the workplace by examining our internal policies, practices, and systems throughout the entire lifecycle of our workforce, including its recruitment, retention and advancement for all employees. In addition to our deep commitment to respecting human rights, we are dedicated to positive actions to affect change to ensure everyone has full participation in the workforce free from any barriers, systemic or otherwise, especially equity-seeking groups who are usually underrepresented in Canada's workforce, including those who identify as women or non-binary/gender non-conforming; Indigenous or Aboriginal Peoples; persons with disabilities (visible or invisible) and; members of visible minorities, racialized groups and the LGBTQ2+ community.

Randstad Canada is committed to creating and maintaining an inclusive and accessible workplace for all its candidates and employees by supporting their accessibility and accommodation needs throughout the employment lifecycle. We ask that all job applications please identify any accommodation requirements by sending an email to View email address on randstad.com to ensure their ability to fully participate in the interview process.

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