Workday Data Conversion Lead - Definian

Definian helps organizations define what’s next by unlocking the full value of their data. With expertise spanning data strategy, modernization, advanced analytics, and AI & automation, Definian equips leaders to navigate their digital evolution with clarity and precision.

As a Workday Data Conversion Lead in Definian ’s Workday practice, you will serve as a subject matter expert and lead on end-to-end data migration activities across Workday implementations. This role sits at the intersection of technical execution, client partnership, team leadership, requiring someone who can strategize and lead data conversion workstreams across the breadth of Workday product implementations, such as HCM, Payroll, and Finance.

You will work closely with Definian ’s Workday delivery leaders and customer teams to drive conversion strategy, execute iterative testing loads, and lead data cutover activities. The ideal candidate has 3+ years of Workday specific data conversion experience as a lead, holds active Workday Data Conversion and/or Data Loading certifications, and has a strong track record of delivering data migrations with, financial data conversion experience as a strong differentiator.

Definian is seeking an experienced, certified, Workday Data Conversion Lead to join our Workday team and support our next phase of growth.

What You Will Do

Conversion Strategy & Leadership

• Serve as Data Conversion Lead on Workday implementations, managing the full conversion lifecycle from planning through cutover.
• Develop and maintain comprehensive data conversion and tenant-build project plans, define workbooks, and complete mapping requirements that align legacy source data to Workday data structures.
• Define data extraction, transformation, and load sequencing strategies in collaboration with client SMEs, functional consultants, and technical architects.
• Lead iterative conversion testing cycles (Foundation, Configuration, End to End, Parallel, and Gold/Production loads), managing defect logs and driving issues to resolution between cycles.
• Support cutover planning by defining data freeze windows, load dependencies, and go-live readiness criteria in coordination with the project manager and client stakeholders.
• Manage conversion build timelines and collaborate closely with the project management team on tenant management and scheduling across deployment phases.
• Produce and maintain conversion governance documentation including sign-off packages, issues logs, and lessons learned artifacts.
• Communicate conversion status, risks, and escalations clearly to project leadership and client stakeholders throughout each project phase.
• Mentor and guide junior conversion analysts and support team members across concurrent workstreams.
• Partner with Workday Practice leadership to build and maintain tools, templates, and repeatable proc