Software Development Engineer In Test (Sdet) (Mainframe)

TL;DR

Software Development Engineer in Test (Mainframe): Designing, developing, and enhancing automation frameworks for the JCL Check product with an accent on ensuring high product quality and driving continuous improvement in testing practices. Focus on building programs, utilities, scripts, and CI/CD pipelines to support integration, system, performance, security, and compatibility testing.

Location: Plano, TX

Salary: $108,000 - $172,800

Company

hirify.global delivers mission-critical on-premises and hybrid solutions that power a majority of the world’s enterprise transactions.

What you will do

• 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, and 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.
• Participate actively in Agile and DevOps workflows.

Requirements

• Bachelor's degree in Computer Science, Software Engineering, or related field.
• 5+ years of experience in QA and test automation.
• Mainframe (z/OS) experience.
• 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).

Nice to have

• Experience with mainframe technologies (z/OS).
• Programming experience in HLASM, REXX, or Metal C, Ansible.
• Familiarity with API testing tools (Postman, REST Assured, SoapUI).

Culture & Benefits

• Medical, dental and vision plans.
• 401(K) participation including company matching.
• Employee Stock Purchase Program (ESPP).
• Employee Assistance Program (EAP).
• Company paid holidays, paid sick leave and vacation time.