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

Falls Technology; Chantilly (VA); On-site; USD 110,000 - 170,000; Full time

Benefits offered by this job

9% retirement contribution

Small senior team where work is highly

Job summary

Falls Technology is hiring an automation-first test engineer for a mission program in Chantilly, VA. This on-site role focuses on building and owning automated test suites across UI and APIs, tied into CI/CD pipelines and leveraging AI coding tools to move faster.

You will work with a small senior team to catch issues early by shifting testing left and collaborating with developers in a fast-paced environment.

Qualifications

• Active TS/SCI with Polygraph is required.
• U.S. citizenship is required.
• Hands-on automation experience with Selenium, Cypress or Playwright.
• Strong API testing with Postman or REST Assured.
• Solid understanding of OAuth2/OIDC and JWTs.
• Scripting in JavaScript/TypeScript, Python or Java.

Responsibilities

• 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.

Skills

Active TS/SCI with Polygraph

U.S. citizenship

Automation experience (UI/API)

Scripting in JS/TS/Python/Java

AI coding tools interest

CI/CD testing

Tools

Selenium

Cypress

Playwright

Postman

REST Assured

OAuth2/JWT

Job description

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