Software Tester

Millennium; Chantilly (VA); On-site; USD 75,000 - 95,000; Full time

Job summary

Millennium Corporation is seeking a Software Tester to support a program in Chantilly, VA. An active TS/SCI FS Poly is required for consideration.

The role involves manual and automated testing for web-based applications, contributing to test planning, and collaborating with a cross-functional Agile team. Candidates should have a Bachelor's degree in Computer Science or related field and 3–5 years of software testing experience. Strong analytical skills and experience with Selenium and API testing are essential.

Qualifications

• 3–5 years of professional software testing experience.
• Active TS/SCI with Polygraph.
• Strong experience with functional, regression, exploratory testing.

Responsibilities

• Execute manual testing for web-based applications.
• Develop and maintain automated test scripts using Selenium.
• Perform API testing and validate backend integrations.
• Collaborate daily with cross-functional team members.

Skills

Manual testing of web-based applications

Automated testing using Selenium

API testing

Analytical and problem-solving skills

Excellent communication skills

Education

Bachelor’s degree in Computer Science, Engineering, or related field

Tools

Selenium

Jira

SQL

Job description

Millennium Corporation is seeking a Software Tester to support a program in Chantilly, VA. An active TS/SCI FS Poly is required for consideration.

The Software Tester will join a high-performing Agile team supporting 2–3 web-based applications with extensive user interfaces and web service integrations. These applications serve a large and diverse user base, including both individual users and organizations leveraging API/web service capabilities. Additional responsibilities include:

• Execute manual testing (functional, regression, exploratory) for web-based applications
• Develop and maintain automated test scripts using Selenium
• Perform API testing and validate backend integrations
• Contribute to test planning, test case design, and documentation
• Document test execution results thoroughly within Jira and manage assigned tasks through the workflow lifecycle
• Collaborate daily with cross-functional team members on assigned testing tasks
• Participate in Agile ceremonies, including stand-ups and monthly retrospectives
• Help ensure comprehensive test coverage across all supported applications
• Identify, document, and track defects through resolution

Qualifications

• Active TS/SCI with Polygraph
• Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent professional testing experience)
• 3–5 years of professional software testing experience
• Strong experience with manual testing of web-based applications (functional, regression, exploratory)
• Experience with automated testing using Selenium
• Experience with API testing
• Basic knowledge of SQL
• Strong analytical and problem-solving skills
• Excellent communication and interpersonal skills
• Familiarity with Agile methodologies, particularly Scrum