Senior Test Automation Engineer: CI/CD & Mainframe Apps

Peraton; Lanham (MD); On-site; USD 80,000 - 128,000; Full time

Job summary

Peraton in Lanham, Maryland is seeking a Senior Test Automation Engineer to design and develop automation frameworks for mainframe and web apps, driving CI/CD integration and comprehensive test coverage for IRS EST program.

You will collaborate across teams including developers, QA, DevOps and product owners, mentor peers, and help improve testing tools and processes while delivering high‑quality software for mission-critical applications.

Qualifications

• Bachelor's degree in a related field with experience in QA principles and agile development
• Solid understanding of software QA principles, test design, and agile development practices
• Experience with modern automation frameworks and tools such as Selenium, UiPath, Playwright, Cypress, Appium, REST‑assured

Responsibilities

• Design, develop, and maintain automated test frameworks and scripts for mainframe and web applications
• Ensure automated tests are reliable, efficient, and integrated into CI/CD pipelines
• Identify high‑value test automation opportunities and implement them to maximize coverage and efficiency
• Troubleshoot and stabilize flaky or failing tests, driving root‑cause analysis
• Support collaboration with developers, QA engineers, DevOps, and product owners to ensure automation aligns with release goals
• Provide guidance and mentorship to peers on automation best practices
• Contribute to improving testing processes, tools, and standards across the team

Skills

Java

Python

JavaScript

C#

Selenium

CI/CD

Jenkins

GitHub Actions

Playwright

Cypress

Education

Bachelor's degree

Master's degree

Associates degree

High School diploma/equivalent

Tools

Jira

Xray for JIRA

Jenkins

Git

GitHub

Azure DevOps

GitLab CI

Job description

Peraton in Lanham, Maryland is seeking a Senior Test Automation Engineer to design and develop automation frameworks for mainframe and web apps, driving CI/CD integration and comprehensive test coverage for IRS EST program.

You will collaborate across teams including developers, QA, DevOps and product owners, mentor peers, and help improve testing tools and processes while delivering high‑quality software for mission-critical applications.