WPP
SystemIntegrationEngineer
Neural analysis suggests this role is
optimal for Mid+ candidates.
“System Integration Engineer at WPP. Skills: Workday API integration development, Workday data model expertise, REST API, Workday REST APIs, HCM data model, Financial data model. Design, develop, and maintain REST API-based integrations between Workday and the Work Management Data Spine platform. Design, build, and maintain integration pipelines using Workday REST APIs (RaaS, WQL, Data Sources) and SOAP Web Services”
What You'll Achieve.
ensure reliable, secure, and performant data flows for employee, financial, absence, and organisational data across the enterprise; ensure that employee profiles, organisational hierarchies, project accounting, client billing, and journal data is delivered accurately to the Data Spine for consumption by WPP Open Work Management Platform; deliver transformational growth
Industry & Context.
creative problem solvers
What They're Looking For.
Must Have
Expert-level understanding of Workday's REST API surfaces, Expert-level understanding of the underlying HCM and Financial data models, Expert-level understanding of how business objects relate across modules
Nice to Have
Subject matter expert for Workday integrations across the programme
What You'll Do.
and maintain REST API-based integrations between Workday and the Work Management Data Spine platform
and maintain integration pipelines using Workday REST APIs (RaaS
Data Sources) and SOAP Web Services
Develop API-based data extraction and synchronisation across both HCM (employee data
organisational hierarchy
job roles) and Financials (project accounting
and retry logic to ensure robust and reliable API consumption at scale
Build and maintain authentication and authorisation flows using Workday API credentials
and certificate-based security
Serve as the subject matter expert on the Workday data model across both HCM and Financial modules
Map Workday business objects
and reference data to target data models
understanding how entities relate across modules
Advise the engineering team on optimal API endpoints
and data extraction patterns for each integration requirement
Stay current with Workday data model changes introduced through semi-annual releases and assess their impact on existing integrations
Support the transition from the interim GPDS (Global People Data Solution) to Workday HCM as agencies are progressively onboarded
How You'll Work.
Team & Collaboration
Advise the engineering team on optimal API endpoints, query strategies, and data extraction patterns; joining a team delivering a critical data integration platform; collaboration
Full Job Description
WPP is the trusted growth partner for the world’s leading brands. We unite cutting-edge media intelligence and data solutions, world-class creativity, next-generation production, transformative enterprise solutions and expert strategic counsel in a single company – powered by exceptional talent and our agentic marketing platform, WPP Open, to help our clients navigate change, capture opportunity and deliver transformational growth. We have been building the world's most valuable brands for 50 years and have global reach across 100+ markets, with deep local expertise. Our people are the key to our success. We're committed to fostering a culture of creativity, belonging and continuous learning, attracting and developing the brightest talent, and providing exciting career opportunities that help our people grow. For more information, visit WPP.com. Why we're hiring: As a Workday Integration Engineer in the WPP Enterprise Data Group, you will design, develop, and maintain REST API-based integrations between Workday and the Work Management Data Spine platform. Workday is the strategic solution for both HCM and Financials across WPP, and this role is critical to ensuring reliable, secure, and performant data flows for employee, financial, absence, and organisational data across the enterprise. You will leverage deep expertise in the Workday data model and REST APIs to build integration pipelines that extract and synchronise data across both HCM and Financial domains. Your work will ensure that employee profiles, organisational hierarchies, project accounting, client billing, and journal data is delivered accurately to the Data Spine for consumption by WPP Open Work Management Platform. This role requires expert-level understanding of Workday's REST API surfaces, the underlying HCM and Financial data models, and how business objects relate across modules. You will also support the transition from the interim GPDS (Global People Data Solution) to Workday HCM as agencies are
Applying for this System Integration Engineer role?
Most applicants get filtered before a human reads their resume. See if yours makes the cut.
How to Apply on Greenhouse
- Create a Greenhouse profile before applying — it saves time across multiple applications.
- Upload your resume as a PDF; the parser handles it better than Word.
- Answer all knockout questions carefully — wrong answers auto-reject before a human sees you.
- Enable email notifications to track application status in real time.
ANONYMOUS · UNFILTERED
What do employees actually say about WPP?
Real rants from real employees. Read before you apply.