Automated Test Engineer (SDET) | TS/SCI w / Poly

Active TS/SCI with Polygraph required. U.S. citizenship required. Location: On-site in Chantilly, VA (Full-Time). Falls Technology is hiring an automation-first test engineer for a mission program in Chantilly. This is not a manual testing role. You'll build and own automated test suites across UI and APIs, wire them into CI/CD pipelines, and use modern AI coding tools to move faster.

What you'll do

Build and maintain UI automation in Selenium and/or Cypress Write API tests for REST services, including OAuth2, JWT and other auth flows Integrate tests into CI/CD pipelines and keep them reliable Use AI tools like Claude Code to generate, refactor and maintain tests Work with developers to shift testing left and catch issues early What you bring (required) Active TS/SCI with Polygraph U.

S. citizenship Hands-on test automation experience with Selenium, Cypress, Playwright or similar Strong API testing skills (Postman, REST Assured, or code-based) A solid grasp of OAuth2/OIDC, JWTs and token-based auth Scripting in JavaScript/TypeScript, Python or Java Real interest in using AI coding assistants as part of daily testing work Why Falls Technology A 9% retirement contribution Small, senior team where your work is visible