Web Development Test Engineer (Automation & Security)

CACI International Inc.; Chantilly (VA); On-site; USD 79,000 - 165,000; Full time

Job summary

CACI International Inc. seeks a Web Development Tester to design, execute, and maintain manual and automated tests for mission-critical web apps in Agile teams. You’ll verify functionality, performance, security, and accessibility to deliver reliable software in real‑world environments.

Collaborate with developers and product owners, review requirements, and contribute to CI/CD and compliance efforts. Must have TS/SCI with polygraph and hands‑on testing experience across web technologies.

Qualifications

• Active TS/SCI with Polygraph.
• Experience testing web applications in Agile/DevSecOps.
• Hands-on HTML, CSS, JavaScript knowledge.
• Experience with automated testing tools (Selenium, Cypress, Playwright).
• API testing using Postman, Swagger, or RESTful services.
• Familiarity with CI/CD tools (Jenkins, GitLab, Azure DevOps).
• Knowledge of accessibility (Section 508/WCAG) testing.
• Cloud experience (AWS, Azure) preferred.
• ISTQB or similar testing certification is a plus.

Responsibilities

• Design, execute, and maintain manual and automated test cases.
• Perform functional, regression, API, and UI/UX testing.
• Review user stories to identify testable acceptance criteria.
• Document defects and track resolutions.
• Collaborate in Agile ceremonies (sprint planning, standups).
• Support CI/CD test integration and security/compliance validation (STIG).
• Produce test reports and metrics for leadership.

Skills

TS/SCI clearance

Web testing

Agile testing

HTML/CSS/JS

Selenium

Cypress

Playwright

Postman

Swagger

REST API testing

CI/CD tooling

Jenkins

GitLab

Azure DevOps

Accessibility testing

Section 508/WCAG

Cloud AWS

Azure

ISTQB

Tools

Selenium

Postman

JIRA

Cypress

Playwright

Swagger

Job description

CACI International Inc. seeks a Web Development Tester to design, execute, and maintain manual and automated tests for mission-critical web apps in Agile teams. You’ll verify functionality, performance, security, and accessibility to deliver reliable software in real‑world environments.

Collaborate with developers and product owners, review requirements, and contribute to CI/CD and compliance efforts. Must have TS/SCI with polygraph and hands‑on testing experience across web technologies.