Software Development Engineer in Test (SDET)

What You’ll Do

• Quality Assurance & Automation Design, develop, and enhance automation frameworks for the JCL Check product
• Build programs, utilities, scripts, and CI/CD pipelines to support:
• Integration
• System
• Performance
• Security
• Compatibility testing
• Define and implement automated test coverage strategies and metrics
• Maintain and optimize regression test suites for stability and effectiveness
• Analyze test results, reduce false positives, and improve test reliability
• Execute targeted manual and exploratory testing for critical and high-risk areas
• Prepare complex test data and ensure alignment with comprehensive test matrices
• Identify, assess, and mitigate potential security risks within testing processes and tools

How You’ll Work

• Participate actively in Agile and DevOps workflows
• Contribute to test planning, estimation, and risk assessment
• Help define and evolve test frameworks, tools, and best practices
• Support continuous testing and CI/CD pipeline improvements
• Collaborate closely with development, QA, and product teams

Required Qualifications

• Bachelor's: 8+ years; Master's: 6+ years; PhD: 3+ years Computer Science, Software Engineering, or related field
• 5+ years of experience in QA and test automation
• Mainframe (z/OS) experience
• Strong understanding of testing methodologies and best practices
• Hands-on experience with automation tools such as Selenium, Playwright, Cypress, JUnit, TestNG, or PyTest
• Proficiency in at least one programming language (Python, Java, or similar)
• Experience with CI/CD tools (e.g., Jenkins)
• Strong communication, collaboration, and problem-solving skills

Preferred Qualifications

• Experience with mainframe technologies (z/OS)
• Programming experience in HLASM, REXX, or Metal C, Ansible
• Familiarity with API testing tools (Postman, REST Assured, SoapUI)
• Experience with performance, load, and scalability testing for enterprise systems
• Knowledge of BDD, TDD, and modern QA practices
• Relevant certifications (e.g., ISTQB, SAFe)

Additional Information

• Location: Plano, TX
• Business travel: No (or minimal)
• Typical experience: 8+ years in QA, automation, or related fields
• Compensation and Benefits: Annual base salary range $91,000 - $146,000, discretionary annual bonus, and equity in accordance with relevant plans.
• Benefits: Competitive and comprehensive benefits package including medical, dental, and vision plans, 401(K) participation, ESPP, EAP, company paid holidays, paid sick leave and vacation time, and adherence to applicable laws for Paid Family Leave and other leaves of absence.