Senior Software Test Engineer

We are seeking a passionate and detail-oriented Senior Software Test Engineer to join our growing engineering team. As a Senior Software Test Engineer, you will play a crucial role in ensuring the quality and reliability of our software systems, with a focus on confirming system-level capabilities. You will be involved early in the development process, collaborating with systems engineers and developers to identify and build out test cases and scenarios through feature file development.

The responsibilities for this position include all aspects of the manual software test development and execution in an Agile, Continuous Integration, and Continuous Delivery model. In this role, you will join a dynamic team that is singularly focused on providing world class solutions to our customers in an active, collaborative, and inclusive atmosphere. As a Senior Software test engineer, you will identify, design, and execute the software tests to validate that the product is ready for use by US Air Force customers worldwide.

This position does allow remote work but candidates that are able to occasionally be onsite at any of the following locations would be preferred. The ideal locations would include Newport News, VA; Lexington, MA; Orlando, FL; Charlottesville, VA; Omaha, NE; or Morgantown, WV.

Primary Responsibilities:

• Plan and execute software testing
  • Lead the development and execution of comprehensive test plans for both functional and component-level testing during the software development lifecycle.
  • Conduct manual testing on the Product and its components to confirm readiness for use and to identify potential regressions.
  • Manage and track findings to resolution, including retesting as necessary.
• Participate in early capability identification and test development
  • Collaborate directly with systems engineer and development teams early in the development process to understand and help define system requirements and specifications.
  • Support development of system requirements, ensuring testability, clarity, and coverage.
  • Translate system requirements into detailed test cases and scenarios, developing feature files (using Gherkin syntax) to drive test automation.
• Direct and participate in system-level test design and execution
  • Serve as test lead for medium to large complex efforts and eventually serve as overall test lead for a portion of the Product.
  • Design and review tests to confirm the overall system meets the defined requirements and capabilities.
  • Lead and participate in test events to validate the integration and interaction of system components.
  • Identify and address issues and collaborate with developers to support resolution.
• Work effectively as part of a remote team
  • Participate regularly in team meetings and provide clear and concise communications.
  • Work directly with developers, systems engineers, and other testers to develop the appropriate set of tests needed to validate the software, and to further support other teams as required.
  • Utilize communication tools such as Microsoft Teams and Slack for active communications.
• Provide direct support to automation of manual tests and tooling of the software
  • Contribute to the development and maintenance of automated test scripts using frameworks such as JUnit, Jest, Cucumber, Gherkin, or similar tools.
  • Identify and support use of Grafana within the test context.

Basic Qualifications:

• with at least an active DOD Secret Security Clearance and the ability to maintain your clearance during you employment with Leidos.
• Bachelor's degree with 4+ years of experience or a Master's Degree with 2+ years of experience. Additional experience may be considered in lieu of a degree.
• 3+ years of experience in software testing
• Solid understanding of software testing principles and methodologies
• Proficiency in writing test plans, test cases, and defect reports
• Strong analytical and problem-solving skills
• Excellent communication and teamwork skills, specifically in a remote setting
• Familiarity with at least one programming language (e.g., Java, JavaScript, Python, Ruby)
• Ability to complete tasks independently with minimal direct supervision
• Ability to recognize when support is needed and willingness to seek that assistance
• Ability to work and collaborate effectively within multi-disciplined engineering team.
• Working knowledge of Agile Development and continuous integration and continuous delivery methodologies and tools
• Experience with a version control system (e.g., Git)
• Experience with an issue/problem tracking system (e.g., Jira)

Preferred Qualifications:

• Experience with at least one automated testing framework (e.g., JUnit, Jest, Cucumber).
• Experience with feature file development (e.g., using Gherkin).
• Experience with specific testing tools (e.g., Bruno,Selenium, JMeter).
• Experience working in an Agile development environment.
• Experience with performance testing and security testing.
• Experience with database testing.
• Knowledge of Agile Development tools such as Jira, Bitbucket/GitLab, Confluence
• Knowledge of continuous integration and delivery tools such as Jenkins, SonarQube, JUnit, Cucumber, Selenium, JMeter
• Experience developing and delivering modern software, including microservices, containers, and serverless architecture

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

Original Posting:
November 21, 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 $72,150.00 - $130,425.00

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.