Case study — Architecture Advisory & Independent Testing

Enterprise applications and HCM transformation across 60+ countries

One unified HR and ERP landscape for 2.5 lakh employees.

Strategic advisory and independent verification & validation for a global IT services enterprise modernising its HR and ERP landscape — UKG and SAP SuccessFactors, 40+ applications to Microsoft Azure and SAP to SAP RISE.

At a glance

The engagement.

01

Client

Global IT services enterprise operating in 60+ countries with about 2.5 lakh employees (anonymised).

02

Scope

UKG implementation, SAP SuccessFactors (Employee Central, Recruitment, Onboarding, SAP Work Zone, SAP BTP), 40+ application migrations to Microsoft Azure, SAP migration to SAP RISE, legal and compliance enablement across 50+ countries, cyber resilience for internal applications.

03

VVnT SeQuor role

Strategic advisory on architecture, migration and compliance; oversight of integration, resilience and regulatory adherence; independent verification & validation (IV&V) partner for the HCM programme.

The challenge

What had to change.

01

Legacy landscape

A complex, multi-geography application estate driving IT complexity and cost.

02

Scale of change

On-premise to full-cloud HCM, 100+ integrations, and large ERP and application migrations running together.

03

Regulatory spread

Legal and compliance requirements across 50+ countries that every release had to respect.

What we did

How VVnT SeQuor delivered.

01

Architecture & migration advisory

Advised on target architecture, migration sequencing and compliance for the Azure and SAP RISE migrations.

02

IV&V for the HCM move

Independent, unbiased quality assurance and risk mitigation throughout the SuccessFactors transformation, with a risk-based testing approach.

03

GenAI-driven test design

Generated test cases and scenarios with GenAI, cutting manual test-design effort by 60% while improving coverage.

04

Non-functional & UAT

Performance, security and accessibility testing, plus UAT planning and execution oversight across business units and geographies.

Outcomes

The results.

Figures as reported for this engagement.

60+
COUNTRIES IN ONE HR & ERP ECOSYSTEM
100+
INTEGRATIONS VALIDATED END TO END
60%
LESS MANUAL TEST-DESIGN EFFORT WITH GENAI
01

Unified HR and ERP ecosystem across 60+ countries and about 2.5 lakh employees.

02

Simplified global application landscape and reduced IT complexity after migrating 40+ applications to Azure.

03

Hire-to-retire processes reimagined, with reduced time-to-hire and a consumer-grade employee experience.

04

60+ global compliance requirements met across jurisdictions; stronger cyber resilience across business-critical applications.

Services involved: Architecture Advisory, Digital Testing & Automation, AI Testing & Evaluations, Cybersecurity.

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