Senior Test Manager (m/f/d) | Mainframe to Linux Migration

Job Opportunity: Senior Test Manager (m/f/d)

We are partnering with a leading organization in Zurich to recruit an experienced Senior Test Manager for a large-scale, business-critical Mainframe to Linux migration program. In this role, you will work at the intersection of business and technology, collaborating with international, cross-functional teams and engaging senior stakeholders to ensure successful project delivery and sustainable organizational transformation.

Key Responsibilities

• Test Concept Definition:
  • Develop and document a detailed testing strategy tailored to the complex migration from mainframe assembler applications to the target landscape on Java/SQL under Linux.
  • Identify and integrate various testing methodologies (unit, functional, and comparison testing) into the testing framework.
  • Define and integrate appropriate testing tools (e.g., X-Ray).
• Test Execution Orchestration:
  • Coordinate and oversee the execution of testing activities, ensuring adherence to timelines and quality standards.
  • Support the test execution process across multiple testing phases, including planning, environmental setup, execution, and reporting.
• Stakeholder Collaboration:
  • Act as the primary liaison between project stakeholders, including architects, developers, and project management teams.
  • Facilitate communication and collaboration to ensure alignment on testing objectives and deliverables.
• Team Leadership and Development:
  • Lead, mentor, and manage a small test team, fostering a culture of excellence, collaboration, and continuous improvement.
  • Assess resource needs and assist in the hiring and training of team members as the project scales.
• Quality Assurance Oversight:
  • Monitor and report on testing progress, defects, and overall quality metrics to stakeholders.
  • Identify and implement process improvements to enhance testing efficiency and effectiveness.
• Documentation and Reporting:
  • Produce comprehensive test documentation, including test plans, test cases, and test reports.
  • Provide regular updates and status reports to senior project management and other stakeholders.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or a related field.
• 15+ years of experience in complex projects as a Test Manager.
• Strong knowledge of testing methodologies, particularly in unit testing and functional testing.
• Proven track record in delivering testing workstreams for complex migration projects, ideally Mainframe modernization or Mainframe-to-Linux migrations.
• Strong expertise in defining and executing end-to-end test strategies, including System Integration Testing (SIT), User Acceptance Testing (UAT), and non-functional testing.
• Excellent communication and interpersonal skills, with the ability to connect easily with all project stakeholders.
• Experience in Agile methodologies.
• Languages: English. German or Spanish is a nice-to-have requirement.

Additional Information

• Location: Zurich, Switzerland
• Workload: 100%
• Remote Work: Up to 20%
• Start Date: 1.10.2026
• End Date: 1.03.2027
• Type of Contract: Temporary staffing
• Deadline for Application: 04.09.2026

Apply online using the form below. Only applications matching the job profile will be considered.