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Experienced Mainframe Software Development Engineer in Test

USA-IL Lisle Warrenville Road💼 Full-time💰 $108,000–$172,800🗓 2026-06-22 → 2026-07-30

Core

Plans, designs, develops, and executes tests for software enhancements and fixes/patches in a mainframe computing environment.

Role type

Senior Software Development Engineer in Test (SDET)

Builds

Functional software solutions for delivery to customers

Domain

Mainframe computing / Software Quality Assurance

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

Test planning, design, and analysis; Functional and non-functional testing; Test automation; CI/CD pipeline management; Code coverage assessment; Scripting; Agile methodologies

Preferred skills

Java; Python; DevOps concepts; JIRA or Rally; Mainframe concepts; ISTQB certification

Technologies

Jenkins; JIRA; Rally; Java; Python

Responsibilities

Performing validation and verification testing of new features and product fixes; Developing and executing high-quality software tests in a continuous integration environment; Developing, implementing, and maintaining robust test automation pipelines; Assessing code coverage and identifying/resolving testing gaps; Automating tasks through appropriate tools and scripting; Ensuring test pipelines are up to date with latest technologies; Collaborating and providing Quality Assurance subject matter expertise in an Agile team environment

Seniority

Senior, hands-on IC

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