Web Applications Software Tester

Description
Leidos is seeking a
Web Applications Software Tester
to serve as a customer representative in analyzing, performing, and interpreting tests for web application products, systems, components, or modifications. You will be responsible for identifying functional problems and suggesting resolutions. If you have recent experience in testing through a full development agile life-cycle including designing, developing, and implementing test plans and procedures, we want to talk to you.

Primary Responsibilities

• Conduct the manual and automated testing of backend and frontend applications.
• Verify and validate software products in accordance with customer requirements and user needs.
• Develop test cases and execute test plans, scenarios, scripts and procedures.
• Document software defects using a bug tracking system and review issue discrepancies with the team.
• Setup, perform, and maintain end-to-end automated testing frameworks across multiple platforms.
• Track testing metrics such as defect densities and open defect counts for caught versus released defects.
• Perform final testing of releases and may perform other technical and documentation tasks.
• Interact daily with supervisors and/or functional peer groups. Interaction normally involves exchanges or presentation of factual information.
• Utilize experience and judgment to plan and accomplish goals.

Basic Qualifications

• Bachelor's degree and 4+ years of experience or a masters degree with 2+ years of experience. Additional experience may be considered in lieu of a degree.
• US Citizen with the ability to obtain and maintain a TS/SCI security clearance. You do not need the clearance to start.
• Experience working with JIRA, Confluence and Rest API.
• Experience with different phases/types of testing: functional, integration, regression, system, end-to-end, GUI (and back end data validation), load/performance, system integration, and user acceptance testing
• Solid knowledge/experience of the AGILE/Scrum SDLC
• Ability to work in a team environment as well as autonomously
• Excellent oral and written communication skills
• Detail-oriented and highly motivated self-starter that is able to work closely in a collaborative role with other team members
• Some experience in test automation in areas such as planning, script development, and maintenance using at least one of the following: Selenium WebDriver or Katalon Studio
• Some experience developing and/or testing software built using at least one of the following languages: C#/.Net, JavaScript, or Java

Preferred Qualifications

• Active DoD TS/SCI clearance
• Technical Writing
• Experience with Katalon and Visual Studio
• Experience with or knowledge of AF DCGS activities, intelligence analysis, or Air Force ISR operations

Come break things (in a good way). Then build them smarter.

We're the tech company everyone calls when things get weird. We don't wear capes (they're a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for "how it's always been done."

Original Posting
December 18, 2025

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range
Pay Range $73, $132,775.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos
Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit

Pay And Benefits
Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at

Securing Your Data
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