Senior Mainframe & Automation Tester (CI/CD)

Groupe Kardol; New York (NY); On-site; USD 100,000 - 140,000; Full time

Job summary

Groupe Kardol in New York City, NY is seeking a Mainframe Tester with deep hands-on experience in both manual and automated testing, including Playwright and Cucumber. The role requires strong collaboration with Product, DevOps, Engineering, and Operations to ensure quality across legacy mainframe and modern distributed systems.

Key responsibilities include designing end-to-end test strategies, building CI/CD test automation, and leveraging data-driven decisions to optimize coverage, risk

Qualifications

• 8+ years of software testing experience including manual and automated frameworks
• Hands-on experience with Playwright, Cucumber and end-to-end test strategies
• Experience testing legacy systems and data migrations in mainframe environments
• Ability to partner with Product, DevOps, Engineering and Operations to embed quality

Responsibilities

• Define and execute test strategies for complex workflows across distributed and mainframe platforms
• Develop and maintain automated regression suites integrated in CI/CD
• Collaborate with cross-functional teams to ensure timely delivery and quality gates
• Monitor metrics like defect leakage and test coverage to continuously improve quality

Skills

Jenkins

Selenium

Playwright

Cucumber

Tools

TestRail

qTest

JIRA

Insomnia

GitLab CI

Job description

Groupe Kardol in New York City, NY is seeking a Mainframe Tester with deep hands-on experience in both manual and automated testing, including Playwright and Cucumber. The role requires strong collaboration with Product, DevOps, Engineering, and Operations to ensure quality across legacy mainframe and modern distributed systems.

Key responsibilities include designing end-to-end test strategies, building CI/CD test automation, and leveraging data-driven decisions to optimize coverage, risk