Senior E2E Test & Interoperability Lead | Hybrid

OneTech Solutions BV; Namen; Hybrid; EUR 90,000 - 125,000; Full time

Job summary

OneTech Solutions BV is seeking an experienced Test Manager to coordinate end-to-end testing across interconnected IT systems within a large public-sector digital transformation. You will lead E2E tests, interoperability validation and cross-organisational coordination to ensure production readiness.

The role focuses on extensive E2E testing, validation of interfaces and data exchanges, and collaboration with Test Coordinators, Product Owners, Business Analysts and external partners.

Qualifications

• Minimum 10 years of experience in Quality Assurance, Test Management or validation of complex IT systems.
• Expert-level experience in transverse Test Management, including test strategy, planning, coverage, entry/exit criteria and Go/No-Go decisions.
• Proven experience coordinating E2E testing campaigns across multiple applications, teams, suppliers and external organisations.
• Strong expertise in interoperability testing, system integration and data exchange validation.
• Senior-level experience in defect management, severity prioritisation, retesting and corrective action tracking.
• Strong knowledge of test management and defect tracking tools, including Jira, Xray, Confluence or equivalent solutions.
• Experience developing quality KPIs, traceability matrices, consolidated reporting and executive-level production readiness recommendations.
• Demonstrated ability to coordinate existing testing teams and external stakeholders without direct hierarchical authority.
• Practical experience with test data preparation, cross-system troubleshooting and back-office process validation.
• French proficiency at C2 level – Mandatory.
• Availability to work at least 60% onsite in Namur.

Responsibilities

• E2E Test Strategy: Assess existing testing strategies, identify gaps and establish a consolidated approach for cross-application and interoperability testing.
• Test Campaign Coordination: Plan and coordinate E2E testing campaigns involving multiple applications, teams, vendors and external organisations.
• Interoperability Testing: Validate interfaces, data exchanges, back-office processes and end-to-end integration between interconnected systems.
• Test Scenario Design: Develop critical E2E scenarios covering standard workflows, alternative paths, failure conditions, recovery procedures and data reconciliation.
• Test Planning: Define test coverage, environments, test data, dependencies, entry/exit criteria and execution schedules.
• Stakeholder Coordination: Align internal teams, external partners and third-party organisations on testing responsibilities, schedules and deliverables.
• Defect Management: Coordinate cross-system defect analysis, severity assessment, corrective actions and retesting until resolution.
• Quality Assurance: Maintain traceability between business requirements, processes, interfaces, test cases, results, defects and execution evidence.
• Reporting & Governance: Produce consolidated test dashboards, quality indicators, progress reports and risk assessments.
• Go/No-Go Recommendations: Provide evidence-based production readiness assessments, including residual risks and mitigation measures.
• Continuous Improvement: Identify opportunities to improve test governance, collaboration, reliability and operational quality.

Skills

Test Management

E2E Testing

Interoperability Testing

Stakeholder Management

Jira/Xray

Go/No-Go Decisions

Quality Assurance

Test Strategy

Leadership

Tools

Jira

Xray

Confluence

Job description

OneTech Solutions BV is seeking an experienced Test Manager to coordinate end-to-end testing across interconnected IT systems within a large public-sector digital transformation. You will lead E2E tests, interoperability validation and cross-organisational coordination to ensure production readiness.

The role focuses on extensive E2E testing, validation of interfaces and data exchanges, and collaboration with Test Coordinators, Product Owners, Business Analysts and external partners.