Mainframe Tester

Ampstek; Pittsburgh (Allegheny County); On-site; USD 100,000 - 120,000; Full time

Job summary

A leading IT consulting firm is seeking a Senior Mainframe Tester in Pittsburgh, PA, offering a long-term contract. The ideal candidate has over 8 years of software testing experience and is skilled in manual and automated testing frameworks. Responsibilities include developing end-to-end test strategies, collaborating with various teams, and prioritizing testing in tight timelines. This role requires expertise in tools like Playwright and CI/CD processes. A proactive communicator able to translate technical results into actionable insights is essential.

Qualifications

• 8+ years of software testing experience, including manual and automated frameworks.
• Hands-on experience with legacy mainframe systems and data migration.
• Skilled at defining test roadmaps and improving test metrics.

Responsibilities

• Develop end‑to‑end test strategies for complex workflows.
• Work closely with Product, DevOps, Engineering, and Operations teams.
• Lead risk-based testing to prioritize efforts under tight timelines.

Skills

Software testing

Manual testing

Automated frameworks

End‑to‑end test strategies

Risk-based testing

UI automation with Playwright

API testing with Insomnia

CI/CD pipelines

Test management platforms

Excellent communication skills

Tools

Jenkins

GitLab CI

TestRail

qTest

JIRA

Job description

Senior👨🏻💻Talent Acquisition Executive | UK & EUROPE ("Failure is the opportunity to begin again more intelligently")

Role :: Mainframe Tester

Location :: Pittsburgh, PA Onsite

Duration :: Long Term Contract

Key Responsibilities and Qualifications

• 8+ years of software testing experience, including deep hands‑on work in both manual and automated frameworks, Playwright, Cucumber.
• Proven track record building end‑to‑end test strategies for complex, front‑to‑back workflows.
• Hands‑on experience with legacy mainframe systems: understanding how the mainframe processes data, designing and validating data‑migration flows from mainframe to distributed tiers, and testing those migrations in the live mainframe environment.
• Strong influencer: comfortable partnering with Product, DevOps, Engineering and Operations to embed quality throughout the delivery lifecycle.
• Skilled at balancing PODs individual priorities while maintaining a coherent, end‑to‑end test strategy across both distributed and mainframe platforms. Strategic & Analytical Mindset.
• Experience defining test roadmaps, metrics/KPIs (e.g., defect leakage, test coverage, automation percentage) and continuously improving them.
• Skilled at risk‑based testing: prioritizing what to test when timelines are tight and leveraging data to drive coverage decisions.
• Process & Tooling Savvy.
• Hands‑on with CI/CD pipelines (Jenkins, GitLab CI, DevOps) to build automation into nightly/regression suites.
• Expert in Playwright for UI automation and Insomnia for API testing.
• Familiarity with modern test management platforms TestRail, qTest and defect‑tracking tools JIRA.
• Exceptional verbal and written communicator able to translate technical test results into clear, actionable insights for both technical and non‑technical audiences.
• Proactive in surfacing risks early and driving cross‑team alignment on scope, timelines and acceptance criteria.

Seniority level

• Mid‑Senior level

Employment type

• Contract

Job function

• Information Technology

Industries

• IT Services and IT Consulting