Senior SDET / QA Automation Engineer - Eccalon LLC - Hanover, MD
Eccalon LLC
Job Description
Eccalon is seeking a Senior SDET / QA Automation Engineer to build and own the automated testing strategy across our web applications and backend services supporting DoD, Intelligence, and enterprise programs. You will design and maintain robust test frameworks, integrate quality gates into CI/CD pipelines, and ensure the reliability of systems operating in regulated, compliance-driven environments. This is a hands-on senior role with broad visibility across the full engineering stack—working directly with software engineers, DevOps, and product teams to shift quality left and keep mission-critical software shipping with confidence.
Responsibilities
Test Automation & Framework DevelopmentDesign, build, and maintain end-to-end UI automation frameworks using Playwright and/or Cypress across multiple web applications (e.g., lynxconnect.io, eccalon.com).Develop and maintain API and backend test suites using Postman collections and REST Assured; validate authentication flows, data integrity, and service contracts.Write clean, maintainable test code in Python and/or JavaScript/TypeScript; enforce consistent standards through code reviews and shared libraries.Build reusable test utilities, fixtures, and data factories that reduce test setup overhead and improve suite reliability.CI/CD Integration & Quality GatesIntegrate automated test suites into CI/CD pipelines (GitLab CI/CD) to enforce quality gates on every pull request and deployment.Configure and maintain synthetic monitoring scripts (e.g., Playwright-based uptime checks) for production applications; triage and resolve false positives.Define and track test coverage metrics, pass rates, and flakiness trends; report quality signals to engineering leadership.API & Backend TestingValidate REST APIs against specifications; test authentication and authorization flows including OAuth2, SAML, OIDC, and JIT provisioning patterns.Develop data-driven test scenarios against AWS-hosted services (RDS/PostgreSQL,