Data Migration and Integration Consultant (HR/Payroll Systems)

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Work arrangement: Remote
Where applicants may be: Applicants in United Kingdom only
Salary: Not specified
Apply by: Not specified
Employment type: Full-time
Experience: Not specified

Added to Jobsiz2h agoEmployer posted Oct 21, 2026

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About This Role

Harbor, a global organization of over 900 professionals delivering strategy, legal technology, operations, and intelligence services, seeks a Data Migration and Integration Consultant. This remote position based in the United Kingdom involves travel to client locations as needed and forms a technical cornerstone of the firm's HR and payroll transformation practice. The successful candidate will manage the safe transfer of client information into modern human capital management platforms while engineering…

Job Description

The successful candidate will manage the safe transfer of client information into modern human capital management platforms while engineering robust connectivity with surrounding business systems. Projects involve platforms such as SAP SuccessFactors, Workday, and Oracle HCM, guiding clients from messy legacy sources through validated cutovers, integration requirements, and ongoing support. This role is well-suited for a detail-oriented technical professional who can also communicate complex concepts clearly to non-technical human resources and business stakeholders.

Responsibilities

Lead and manage data migration workstreams for SAP SuccessFactors, Workday, or Oracle HCM from initial strategy through to post-launch hypercare
Define migration methodologies, data object scopes, sequence loads, cutover schedules, and rollback strategies
Assess legacy data quality to pinpoint gaps, redundancies, and inconsistencies while agreeing on cleansing responsibilities with clients
Establish and maintain mapping and transformation rules linking legacy sources to target architectures
Execute, build, and reconcile data loads throughout multiple testing cycles, mock conversions, and final production cutovers
Generate validation and reconciliation reports to ensure completeness and accuracy for clients
Advise customers on data archiving, retention policies, and handling historical records
Gather and outline integration specifications across human resources, payroll, benefits, finance, and third-party vendors
Design and deploy interfaces utilizing native platform tools and middleware while addressing error handling, data flows, and security
Assist with end-to-end and parallel payroll testing to resolve system defects
Establish sustainable post-launch monitoring, support routines, and error resolution processes
Employ ETL technology for large-scale data extraction, transformation, and loading
Develop reusable practice templates, accelerators, and auditable transformation scripts
Act as a trusted technical advisor, translating integration and data matters into plain language for programme stakeholders
Assist with scoping, proposal writing, and estimations for migration and integration initiatives
Mentor junior team members and share technical knowledge across the practice

Requirements

Proven data migration experience involving at least one of SAP SuccessFactors, Workday, or Oracle HCM across multiple full lifecycle projects
Integration design and technical delivery background including specification production, interface building, and testing
Hands-on expertise using ETL tools to manipulate large and imperfect datasets
Deep understanding of human resources and payroll data structures, including personal data sensitivities and cutover accuracy
Demonstrated ability to run validation and reconciliation across production loads and test cycles
Clear communication skills capable of engaging technical teams and human resources stakeholders alike
Right to work in the United Kingdom with a willingness to travel to client sites as required

Qualifications

Experience working across more than one of SAP SuccessFactors, Workday, or Oracle HCM
Familiarity with platform-specific tools such as Workday EIB, Core Connectors, Studio, SAP Integration Suite, Infoporter, Oracle HDL, or OIC
Background in payroll migrations and parallel run reconciliation
Knowledge of UK GDPR and data protection regulations relevant to migration and integration work
Previous exposure to legal sector or professional services clients
Prior consulting experience or a client-side background paired with a strong consulting mindset

Core Skills

Leadership Payroll

Benefits

Exposure to three major HR platforms rather than being limited to a single technology
Collaboration within a practice offering direct access to senior leadership and input into growth
Investment in platform certifications and professional development
Competitive salary, bonus, and benefits package
Support for flexible and remote working arrangements

Frequently Asked Questions

Answers are based only on the employer’s listing; where it doesn’t say, neither do we.

Is this position remote?

Yes, this is a remote position based in the United Kingdom, though travel to client sites is required as needed.

What platforms will I be working with?

Engagements involve SAP SuccessFactors, Workday, and Oracle HCM.

What are the core technical skills needed for this role?

Applicants must have proven data migration experience into at least one of the major HCM platforms, integration design and delivery background, hands-on ETL experience, and strong knowledge of HR and payroll data structures.

What compensation and perks are included?

The posting states that a competitive salary, bonus, and benefits are offered, alongside investment in professional development and platform certifications, as well as flexible and remote working support.

Are there requirements regarding work authorization?

Yes, candidates must have the right to work in the UK.