Secure our Nation, Ignite your Future Become an integral part of a diverse team while working at an Industry Leading Organization, where our employees come first. At ManTech International Corporation, you’ll help protect our national security while working on innovative projects that offer opportunities for advancement. Currently, ManTech is seeking a motivated, career and customer-oriented Senior Test Engineer to join our team in Herndon, VA. Responsibilities include, but are not limited to: Work with CNO Development Teams and Stakeholders to better understand requirements, improve test effectiveness, and resolve defects Analyze requirements and specifications across multiple products and applications to write acceptance criteria, test cases, test scenarios, and test data Work with stakeholders to determine User Acceptance Tests and System Tests Able to create, update, and maintain documentation for system integration testing, user acceptance testing, regression testing, API testing, UI Testing, and data-driven automated testing scenarios Able to coordinate all activities within Agile Scrum Software Development methodologies with a cross-functional team approach Execute test scripts and fully document all defects during test execution Prepare test estimates, test plans and defect reports Develop and maintain effective working relationships with team members Provide status of testing to leadership, stakeholders and coordinate weekly sync-up meetings Knowledge of programming concepts and some experience in a software programming language Strong in observing/analyzing issues and communicating issues with clear and precise description Basic Qualifications: Bachelor’s degree and 7 years of experience in manual and testing (OR 11 years testing experience in lieu of degree) Knowledge of test processes and test case development Experience in SAFe Agile development methodology or other scrum frameworks Experience working in both Windows and Linux/Unix environment Work with minimal management supervision. Willingness to travel Preferred Qualifications: Able to create and organize test plans, test sets, and test executions in Gitlab, Jenkins or other DevSecOps CI/CD pipelines Experience using WebdriverIO, Selenium, Cucumber, and Postman to create automated tests for Java and front-end programming languages Knowledge in web application UI models and how components interact via common internet protocols (HTTP, SSL, Email, SOAP, XML, etc.) Experience with Docker and Command Line Interface (CLI) Experienced in performance test tools (JMeter, Grinder, etc.) desired. Knowledge of Java based development tools a plus Basic SQL database query knowledge Experience working in Linux/Unix environment Security Clearance Requirement: An active Top Secret clearance is required to start. Physical Requirements: Must be able to remain in a stationary position 50%, capable of operating a computer and other office productivity machinery, and frequently communicate with co-workers, management, and customers For all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license. The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone. ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law. If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at (703) 218-6000. ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services. If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access http://www.mantech.com/careers/Pages/careers.aspx as a result of your disability. To request an accommodation please click careers@mantech.com and provide your name and contact information. Why ManTech? This is why! When you apply for a job at ManTech, you are taking the first step toward a new adventure. Trailblazing technology, incredible professional development and the opportunity to serve our nation. All while Securing the Future®. ManTech provides mission-focused technology solutions and services for U.S. defense, intelligence and federal civilian agencies. In business for more than 52 years, we excel in full-spectrum cyber, data collection & analytics, enterprise IT, and systems and software engineering solutions that support national and homeland security. More than 9,300 talented professionals around the globe make up the ManTech family and nearly half are veterans. As a ManTech employee, you will work for a winning team alongside colleagues that support and inspire you. You will also have access to tuition assistance, partnerships with universities and institutions, professional groups that comprise our Communities of Practice, community service opportunities, Technical Recognition Awards, Career Enablement/Mobility programs and so much more. What are you waiting for? Click “Apply” and start your adventure today.