Test Engineer

DANE, LLC; Arlington (VA); Hybrid; USD 110,000 - 165,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

401(k)

401(k) matching

Paid time off

Wellness resources

Employee discounts

Job summary

DANE, LLC is seeking a Test Engineer to join an agile quality engineering team supporting a federal modernization program in Arlington, VA. You will design, implement, and maintain automated test suites across APIs, UIs, and integrations, working across .NET, Java, NestJS, and MuleSoft stacks.

Hybrid role with on-site 1-2 days per week; requires a DoD Secret Clearance and a bachelor's degree in computer science or related field, plus 4+ years of experience in testing.

Qualifications

• 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.
• Exposure to MuleSoft Anypoint Platform or other enterprise integration testing.
• Exposure to containerized test execution (Docker, Kubernetes).
• Exposure to observability tooling (OpenTelemetry, App Insights).
• Strong written and verbal communication skills; able to clearly document findings and collaborate across teams.
• Demonstrated ability to learn and adapt quickly in evolving technical environments.

Responsibilities

• Build and maintain automated test suites for 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 layers.
• Log, prioritize, and validate defect fixes using Azure DevOps/Jira with clear repro steps.
• Create deterministic test data, stubs/mocks, and environment configurations; manage secrets securely.
• 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 PR quality gates.
• Author test runners and Docker files; execute suites inside Docker and assist with Kubernetes orchestration.
• Capture structured logs and traces; triage failures and support root-cause analysis.

Skills

Analytical thinking

Strong communication

Adapt quickly

Education

Bachelor's degree in Computer Science or related field

Tools

Selenium

Cypress

Postman

Newman

JUnit

NUnit

Jest

Azure DevOps

Jira

Docker

Kubernetes

OpenTelemetry

App Insights

Job description

Job Overview

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.

Benefits

• 401(k)
• 401(k) matching
• Dental insurance
• Employee discounts
• Health insurance
• Paid time off
• Vision insurance
• Wellness resources

Job Overview

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.

Details

Location: Hybrid - Onsite, Arlington, VA; onsite 1-2 days/week and as needed

Job Type: Full Time

Education: Bachelor's degree in computer science or Equivalent

Experience: Minimum 4 years of relevant experience

Clearance: Must hold an active DoD Secret Clearance or higher

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 repeatabilityMaintain 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

Qualifications

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

DANE LLC is an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

Flexible work from home options available.