QA Automation Engineer with Security Clearance

Job Description ECS is seeking a QA Automation Engineer to work remotely . We are seeking a QA Automation Engineer with experience in end-to-end testing, test automation, performance testing, and User Acceptance Testing (UAT) to join the Professional Services team. This role will be responsible for developing and executing a comprehensive testing strategy across functional, integration, automation, performance, security, regression, and user acceptance testing activities.

The ideal candidate will have experience validating complex web applications, APIs, data platforms, and third-party integrations. This individual will work closely with engineering teams, technical leadership, and customer stakeholders to ensure solutions meet functional requirements, performance expectations, security controls, and release readiness criteria. Candidates should have hands-on experience with automation frameworks and testing tools such as Selenium, Playwright, Python-based testing solutions, Jira, Confluence, and performance testing tools such as Locust.

Key Responsibilities

• Develop and maintain comprehensive test plans covering functional, integration, end-to-end, performance, regression, and user acceptance testing.
• Define test strategies, test scenarios, acceptance criteria, and release readiness metrics in collaboration with project stakeholders.
• Design, develop, and execute automated test suites for web applications, APIs, and integrated workflows.
• Perform end-to-end testing across frontend applications, APIs, Databricks environments, and third-party platform integrations.
• Validate integrations spanning web applications, backend services, data platforms, and external systems.
• Execute functional testing across multiple user personas and business workflows.
• Coordinate and facilitate multiple rounds of User Acceptance Testing (UAT), document findings, validate remediation efforts, and support final release approvals.
• Design and execute performance and load testing using tools such as Locust, validating system behavior under concurrent user activity and identifying performance bottlenecks.
• Perform regression testing to ensure software quality and system stability prior to production releases.
• Validate role-based access controls, security requirements, governance controls, and data access restrictions.
• Identify, document, classify, and track software defects through resolution.
• Collaborate with engineers, TPMs, product owners, and customer stakeholders throughout the software development lifecycle.
• Produce testing reports, quality metrics, defect summaries, and release recommendations.
• Utilize Jira and Confluence to manage testing activities, document results, and track defects and remediation efforts.

Salary Range: $140,000-$165,000

Required Skills

• Active Secret Clearance
• Experience with UAT (User Acceptance Testing)
• Strong background in Software Quality Assurance (SW QA)
• Ability to translate business requirements into effective test cases
• Experience identifying and documenting defects clearly and concisely
• Strong attention to detail and commitment to quality
• Effective communication skills for cross - team collaboration

Desired Skills

• Active Secret Clearance.
• Experience with end-to-end testing, software quality assurance, and test automation.
• Hands-on experience with Selenium and/or Playwright for automated web application testing.
• Experience developing automated test frameworks and automated regression test suites.
• Experience establishing and maintaining automated testing pipelines.
• Experience using Python-based testing tools, including performance and load testing solutions such as Locust.
• Experience testing web applications, REST APIs, and distributed system integrations.
• Experience testing applications deployed within secure cloud environments, including AWS GovCloud and IL5 environments.
• Familiarity with Databricks, data engineering workflows, ETL pipelines, Delta Lake, and AI/ML-enabled platforms.
• Experience validating integrations with external platforms and services, including data, analytics, and AI-related systems.
• Experience testing React or other modern web application frameworks.
• Familiarity with RBAC, data governance controls, compliance requirements, and secure application workflows.
• Experience conducting performance, load, regression, functional, integration, and UAT testing.
• Experience working within Agile/Scrum environments using Jira and Confluence.
• Strong troubleshooting, analytical, communication, and stakeholder management skills.
• Experience supporting production releases and formal release readiness activities. #EverforthECS1 ECS Federal LLC is an equal opportunity employer and does not discriminate or allow discrimination on the basis any characteristic protected by law. All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, or local jurisdiction law. is the federal segment of , a $4B global organization with over 10,000 employees. Our nearly 3,500 professionals deliver advanced technology solutions in data and AI, cybersecurity, and enterprise transformation, serving defense, intelligence, and federal civilian agencies. Our work powers mission-critical outcomes, strengthens technology partnerships, and creates meaningful opportunities for our people. We are defined by a commitment to excellence in delivery, a culture of innovation, and an environment where talent can thrive and grow. We value:
• Attracting and developing top talent and high-performing teams
• Fostering a culture that is engaging, accountable, and mission-driven Meet the challenge. Make a difference with Everforth ECS!