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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sr QA Mainframe - **Company:** Net2Source - **Location:** Gardena, CA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Agile Methodology, Artificial Intelligence, Software System Penetration Testing, Application Performance Management, JIRA, Automation of Tests, Software Bug Management, Business Software, Databases, Data Conversion, Data Integrity, Database Testing, Design of User Interfaces, HP Quality Centers, Mainframes, Scrum Methodology, Regression Testing, E2e Testing, Standard Sql, SoapUI, Software Deployment, Software Systems, Software Quality Assurance (SQA), System Integration Testing, Test Execution Engine, Strategies of Testing, Performance Testing, Postman, Test Scripts, Scalability Testing, Integration Tests, Integration Frameworks, Cloud Migration, Api Management - **Published:** September 5, 2026 - **Apply:** https://www.disabledperson.com/jobs/74926198-sr-qa-mainframe ## About the Role * Functional Testing * System Integration Testing (SIT) * User Acceptance Testing (UAT) * Regression Testing * API Testing * Database Testing * Performance Testing * Defect Lifecycle Management Tools & Technologies Experience with: * ALM / Quality Center or equivalent testing tools * Jira * SQL * Database validation * API testing tools such as Postman, SoapUI, etc. Business Skills * Strong analytical and critical-thinking skills. * Ability to interpret business requirements and translate them into test scenarios. * Excellent written and verbal communication skills. * Strong stakeholder-management and leadership capabilities. Preferred Qualifications * ISTQB, CSTE, CSQA, or equivalent QA certification. * Experience with AI-assisted testing tools and automation frameworks. * Experience supporting cloud modernization and legacy-system replacement initiatives. * Knowledge of automotive services is a plus. Key Competencies * Quality Focus * Critical Thinking * Test Strategy Development * Defect Analysis * Risk Management * Leadership & Mentoring * Technical Expertise * Collaboration * Continuous Improvement * Customer Focus * Compliance & Audit Awareness Success Measures * Defect leakage reduction * Release quality and stability * On-time testing execution * Business stakeholder satisfaction * Reduced production incidents ## Description The Auto Sales Application IT Tester is responsible for leading quality assurance activities across Auto business applications and technology platforms. The role ensures that software solutions meet functional, integration, performance, security, and business requirements before production deployment. The position works closely with business stakeholders, development teams, solution architects, project managers, vendors, and operations teams to deliver reliable systems supporting Auto Sales objectives. Responsibilities include test strategy development, test planning, test execution, defect management, automation, and mentoring junior QA team members. The role also supports modernization initiatives, cloud-based solutions, customer-facing applications, and enterprise integrations., Quality Assurance Leadership * Lead end-to-end testing activities across multiple projects and releases. * Develop and maintain test strategies, test plans, test cases, and test scripts. * Define testing scope, entry/exit criteria, and quality metrics. * Establish QA best practices and testing standards. Functional & Integration Testing * Execute and coordinate SIT, Regression, UAT support, and End-to-End testing. * Validate business workflows, calculations, business rules, user interfaces, APIs, databases, and third-party integrations. * Verify data integrity across applications, interfaces, and reporting systems. * Ensure applications meet approved business requirements and design specifications. Defect Management * Identify, document, prioritize, and track defects through resolution. * Facilitate defect triage sessions with development, business, and project teams. * Perform root-cause analysis and recommend corrective actions. * Verify fixes through retesting and regression testing. Test Automation * Design and implement automated testing frameworks and regression suites. * Identify opportunities to improve testing efficiency through automation and AI-assisted testing. * Collaborate with development teams to integrate automated testing into CI/CD pipelines. Performance & Security Testing * Coordinate performance, load, stress, and scalability testing. * Validate application performance against defined service-level objectives. * Support penetration testing, security validation, and compliance-related testing. Project Collaboration * Partner with Business Analysts, Product Owners, Project Managers, Solution Architects, Developers, and Operations teams. * Participate in Agile ceremonies, including sprint planning, backlog refinement, reviews, and retrospectives. * Collaborate with vendors and third-party implementation partners to resolve application defects and integration issues. Reporting & Governance * Provide testing status reports, quality metrics, risk assessments, and release-readiness recommendations. * Present testing results and quality insights to project leadership and stakeholders. * Support audit, compliance, and software-quality governance requirements. Mentoring & Continuous Improvement * Coach junior testers and QA analysts. * Promote testing standards, knowledge sharing, and continuous improvement. * Evaluate emerging QA tools, AI-enabled testing approaches, and industry best practices., Deliverables * Process flows * Mentor and provide knowledge transfer to client project team members. * Participate as a primary, co-, and/or contributing author on project deliverables associated with assigned responsibilities. * Participate in data conversion and data maintenance activities. * Provide best-practice and industry-specific solutions. * Recommend alternative and out-of-the-box solutions. * Provide thought leadership and hands-on technical configuration/development as needed. * Participate as a member of the functional team. * Perform other duties as assigned ## Related Videos - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [Are Your APIs Ready for AI Agents](https://www.wearedevelopers.com/videos/2004-are-your-apis-ready-for-ai-agents) - [How I Built QA from Scratch in a Scaling Startup - no fluff real life story](https://www.wearedevelopers.com/videos/2041-how-i-built-qa-from-scratch-in-a-scaling-startup-no-fluff-real-life-story) - [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks) - [Continuous testing - run automated tests for every change!](https://www.wearedevelopers.com/videos/190-continuous-testing-run-automated-tests-for-every-change) - [Integrate your Cognitive Assistant with 3rd-party DBs and software](https://www.wearedevelopers.com/videos/249-integrate-your-cognitive-assistant-with-3rd-party-dbs-and-software) ## Related Articles - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [Benefits of Using JMeter For Performance Testing](https://www.wearedevelopers.com/magazine/96-benefits-of-using-jmeter-for-performance-testing) - [How to create a test plan for software testing](https://www.wearedevelopers.com/magazine/56-how-to-create-a-test-plan-for-software-testing) - [Integration And E2E Testing: Are They Complementary or Interchangeable?](https://www.wearedevelopers.com/magazine/86-integration-and-e2e-testing-are-they-complementary-or-interchangeable) - [What is a Test Plan: Guide to Test Planning](https://www.wearedevelopers.com/magazine/191-what-is-a-test-plan-guide-to-test-planning) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again)