Senior Workday Integration Architect

The role

The Senior Workday Integration Architect will own the design, build, and operation of the Workday integration landscape. This role involves managing the migration from Rippling to Workday and maintaining inbound and outbound data flows across the company stack.

What you will do

• Define and own the target-state integration architecture for Workday
• Serve as the technical lead for integrations in the Workday implementation
• Design and execute data extraction, transformation, and load from Rippling into Workday
• Build and maintain inbound feeds into Workday
• Build and maintain outbound feeds to benefits carriers, payroll, and downstream consumers
• Own payroll results, accounting journal, and GL posting integrations to NetSuite
• Partner with IT on Workday-to-Okta lifecycle and access provisioning
• Design Workday data extracts and RaaS reports for BigQuery and analytics
• Establish monitoring, alerting, retry logic, runbooks, and on-call practices
• Design integrations and security to satisfy SOX ITGC requirements

Required qualifications

• 10+ years in HRIS, enterprise integration, or systems architecture
• 6+ years designing and building Workday integrations
• Taken at least one full Workday HCM implementation live as the integration lead or architect, including payroll and benefits integrations
• Expert with EIB, Core Connectors, Workday Studio, Workday Web Services (SOAP and REST), RaaS and custom reports, calculated fields, XSLT/XPath, and integration security (ISUs, ISSGs, OAuth/API clients
• Hands-on experience with an iPaaS or middleware platform
• Built or supported payroll, benefits carrier, 401(k), and tax filing integrations
• Strong SQL and data modeling skills
• Comfort with file formats and transport (JSON, XML, CSV, SFTP, APIs, webhooks)
• Operated in a SOX or audit-facing environment

Nice to have

• Familiarity with Workday Orchestrate, Prism Analytics, or Extend
• Workato strongly preferred
• Experience with Boomi, MuleSoft, or similar
• Experience with PECI/PICOF or Global Payroll Connect integrations for multi-country payroll
• Workday Pro certifications in Integrations, Studio, Payroll, or HCM
• Experience migrating from Rippling or another all-in-one HR/payroll platform to Workday
• Experience with international payroll providers (for example ADP Celergo, CloudPay, Papaya Global, Deel) and employer-of-record arrangements
• Familiarity with NetSuite, Okta, Lumos, Workato, BigQuery
• IPO readiness experience, including integration control design and equity compensation data flows
• Experience using AI tooling to accelerate integration testing, documentation, mapping, or reconciliation

Benefits

• Generous cash & equity compensation
• Health, dental, and vision coverage for you and your dependents
• Wellness and commuter stipends for select roles
• 401k Plan with 2% company match (USA employees)
• Flexible paid time off plan

About the company

Lambda is a leader in AI cloud infrastructure serving tens of thousands of customers. Founded in 2012, the company has 500+ employees and is growing fast.