Test Engineer

DANE LLC•Arlington, VA

1d•$100,000 - $115,000•Hybrid

About The Position

At DANE, we take care of our people, and they stick around because of it. With day-one aggressive PTO, great benefits, and opportunities to grow, you’ll have the support you need to succeed. We are seeking a Test Engineer to join an agile quality engineering team supporting a federal modernization program in Arlington, VA. You'll design, implement, and maintain automated test suites across APIs, UIs, and integrations, working across .NET, Java, NestJS, and MuleSoft stacks, while growing into modern DevOps, containerized testing, and observability practices.

Requirements

Bachelor's degree in Computer Science or related field
Active DOD Secret Clearance required
Minimum of 4+ years of experience as a Test Engineer or QA Engineer
Hands-on experience with automated testing frameworks (Selenium/Cypress, Postman/Newman, JUnit/NUnit, and/or Jest)
Experience testing REST APIs and web applications across .NET, Java, and/or Node/NestJS stacks
Experience with defect tracking and test management tools (Azure DevOps and/or Jira)
Familiarity with CI/CD pipelines (Azure DevOps/GitHub Actions) and shift-left quality practices
Strong analytical and problem-solving skills with the ability to triage complex failures and drive root-cause analysis
Strong written and verbal communication skills; able to clearly document findings and collaborate across development, BA, and platform teams
Demonstrated ability to learn and adapt quickly in evolving technical environments

Nice To Haves

Exposure to MuleSoft Anypoint Platform or other enterprise integration testing
Exposure to containerized test execution (Docker, Kubernetes)
Exposure to observability tooling (OpenTelemetry, App Insights)

Responsibilities

Build and maintain automated test suites for functional, regression, and smoke testing targeting web UIs and REST APIs (Selenium/Cypress, Postman/Newman, JUnit/NUnit/Jest)
Automate validation of service contracts, error handling, and data transformations; verify MuleSoft flows across System/API/Process layers
Log, prioritize, and validate defect fixes using Azure DevOps/Jira; provide clear reproduction steps and supporting evidence
Create deterministic test data, stubs/mocks, and environment configurations; manage secrets securely and ensure test repeatability
Maintain living test plans, suites, and dashboards; publish sprint quality reports and release readiness summaries
Integrate tests into CI/CD pipelines (Azure DevOps/GitHub Actions) and contribute to pull-request quality gates (coverage, static analysis, linting)
Author test runners and Docker files; execute suites inside Docker and assist with Kubernetes job orchestration for parallel test runs
Capture structured logs and traces (OpenTelemetry/App Insights), triage failures, and support root-cause analysis with engineers