Mid-Level Test Engineer

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 Mid-Level 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 ,1 day/week and as needed
• Job Type: Full Time
• Education: Bachelor’s degree in computer science or Equivalent
• Experience: Minimum 2 years of relevant experience
• Clearance: Must hold 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 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

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.

Pay

$100,000.00 - $115,000.00 per year

Benefits:

• 401(k)
• 401(k) matching
• Dental insurance
• Employee assistance program
• Employee discount
• Flexible spending account
• Health insurance
• Health savings account
• Life insurance
• Paid time off
• Professional development assistance
• Referral program
• Retirement plan
• Tuition reimbursement
• Vision insurance

Experience:

• Selenium: 4 years (Required)
• Azure DevOps: 4 years (Preferred)
• Docker: 1 year (Preferred)
• Automated testing: 4 years (Required)

Security clearance:

• Secret (Required)

Ability to Commute:

• Arlington, VA 22209 (Required)

Work Location:

• Hybrid remote in Arlington, VA 22209