People Systems Lead - HRIS
Platform Ownership
Own the end-to-end design, build, and administration of Workday HCM, including tenant configuration, supervisory orgs, business processes, security model, and environment management across implementation, sandbox, and production tenants.
Payroll Deployment & Operations
Lead the deployment of Workday Payroll (US first, international as scoped) with full SOX-compliant controls over pay calculation, tax filing, GL posting to NetSuite, and off-cycle processing. Own ongoing payroll operations partnership with the People and Accounting teams.
Integration & Data Architecture
- Design and manage integrations between Workday and upstream/downstream systems (NetSuite, BigQuery, Okta/Lumos, benefits carriers, 401(k), ATS, perf, equity admin) using Workday Studio, EIBs, Core Connectors, and Workato as appropriate.
Implementation Partner Management
Lead the Workday implementation partner relationship end-to-end: scope, SOW, sprint cadence, UAT, cutover, hypercare. Hold the partner accountable to deliverables and timeline.
People Data & Systems
- Own the People data layer that feeds reporting and analytics: Pigment ID across Ashby and Workday, headcount close, attrition data, payroll register reconciliation. Feed clean headcount actuals into Pigment EPM for FP&A.
SOX & Compliance
Establish and enforce controls around payroll, comp, terminations, access provisioning, and master data changes. Partner with external SOX advisors on ITGC and IPE design for the People stack.
Stakeholder Enablement
Train and support end users across the People team, drive adoption, and build documentation and governance standards for tenant changes and release management.
Roadmap & Strategy
Develop and maintain a multi-quarter platform roadmap aligned with Lambda's People function maturity goals, partnering with Business Technology and People leadership to prioritize enhancements.
Experience
- 10+ years in HRIS / People Systems, with at least 4+ years of hands-on Workday HCM and Payroll implementation and administration experience.
- At least one full-cycle Workday implementation including Payroll go-live as the customer-side architect or in-house owner.
Technical Expertise
- Deep proficiency in Workday's data model, business process framework, security model, calculated fields, EIBs, Core Connectors, and Studio integrations.
- Familiarity with SQL or Workday Report Writer, and working knowledge of data pipelines (BigQuery, dbt, Fivetran, Workato).
People Domain Knowledge
- Strong understanding of People processes including onboarding, offboarding, compensation planning, benefits open enrollment, leaves of absence, performance management, and US payroll tax and compliance.
Compliance & Controls
- Practical knowledge of SOX requirements as they apply to HRIS and Payroll systems, including change management, segregation of duties, access controls, and documentation.
Communication & Leadership
- Ability to work directly with senior People and Finance leadership and translate ambiguous requirements into structured, scalable solutions.
- Comfortable presenting to executives, managing competing priorities independently, and holding implementation partners accountable.
Team Building
- Experience hiring, mentoring, or leading a People Systems team.
- Player-coach orientation: comfortable being hands-on while also growing a function.
Nice to Have
- Hands-on experience leveraging AI/ML tools to enhance People workflows, whether through native HRIS capabilities, custom-built solutions, or third-party AI integrations.
- Prior experience with Workday's API and programmatic integrations (REST, SOAP, RaaS).
- International payroll experience (LATAM, Canada, India, EMEA).
- Experience building internal AI-powered apps or prototypes (e.g., on AWS, Vercel, or similar) that augment People workflows.
- Hands-on familiarity with NetSuite GL posting, Okta/Lumos identity governance, Greenhouse, Lattice, Carta, or Workato.
- Prior experience migrating from Rippling, BambooHR, ADP, UKG, or SAP SuccessFactors to Workday.