Data Migration and Integration Consultant (HR/Payroll Systems)

What you will do:

• Data migration
• Lead and deliver data migration workstreams into SAP SuccessFactors, Workday or Oracle HCM, from strategy and planning through to go live and hypercare
• Define migration approaches, including scoping of data objects, load sequencing, cutover plans and rollback positions
• Profile and assess legacy data quality, identifying gaps, duplicates and inconsistencies, and agreeing cleansing ownership with the client
• Design and maintain mapping and transformation rules between legacy sources and target system structures
• Build, execute and reconcile data loads across multiple test cycles, mock conversions and production cutover
• Produce validation and reconciliation reporting that gives clients confidence in the accuracy and completeness of migrated data
• Advise clients on data retention, archiving and the treatment of historical records
• Integration design and delivery
• Gather and document integration requirements across HR, payroll, benefits, finance and third party providers
• Produce integration designs and specifications covering data flows, transformation logic, error handling, scheduling and security
• Build, test and deploy integrations using platform native tooling and middleware
• Support end to end and payroll parallel testing, resolving defects across connected systems
• Define monitoring, error resolution and support processes so that integrations are sustainable after go live
• Advise clients on integration architecture, including the trade offs between point to point connections, middleware and file based approaches
• ETL and data engineering
• Use ETL tooling to extract, transform and load data at scale across migration and integration workstreams
• Develop repeatable, auditable transformation routines rather than one off manual manipulation
• Automate validation and reconciliation checks where practical to reduce cycle times and manual effort
• Contribute to the development of practice accelerators, templates and reusable migration assets
• Client and practice contribution
• Act as the trusted technical voice on engagements, translating data and integration matters into plain language for HR and programme stakeholders
• Support proposals, scoping and estimating for migration and integration workstreams
• Coach junior consultants and share technical knowledge across the team
• Proven data migration experience into at least one of SAP SuccessFactors, Workday or Oracle HCM, across multiple full lifecycle projects
• Integration design and technical delivery experience, including producing specifications and building and testing interfaces
• Hands on experience with ETL tooling and confidence manipulating large, imperfect datasets
• Strong understanding of HR and payroll data structures, including the sensitivities around personal data and the importance of accuracy at cutover
• Experience running reconciliation and validation across test cycles and production loads
• Clear communicator, able to work with both technical teams and HR stakeholders
• Right to work in the UK and willingness to travel to client sites when needed
• Experience across more than one of the three target platforms
• Knowledge of platform specific tooling such as Workday EIB, Core Connectors and Studio, SAP Integration Suite and Infoporter, or Oracle HDL and OIC
• Experience with payroll migrations and parallel run reconciliation
• Familiarity with UK GDPR and the data protection considerations that apply to migration and integration work
• Exposure to professional services or legal sector clients
• Consulting experience, or client-side experience with a clear consulting mindset
• Varied technical work across three major HR platforms, rather than being tied to a single technology
• A collaborative practice with direct access to senior leadership and genuine input into how we grow
• Investment in platform certifications and wider professional development
• Competitive salary, bonus and benefits, with flexible and remote working supported

What we are looking for:

What you can expect:

About Us:

Qualifications

• Experience with payroll migrations and parallel run reconciliation
• Familiarity with UK GDPR and the data protection considerations that apply to migration and integration work