Leidos has a new and exciting opportunity for a Software Test Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security!
Job Summary:
The Software Test Engineer will be part of a dynamic team working in an agile software development environment that is building a user application to run on mobile device form factors. The Software Test Engineer will be responsible for the quality of the developed product and participating in manual and automated testing operations. This position requires someone who is proactive and passionate about ensuring the quality of software deliverables and can participate in both the manual and automated testing of user interface and backend software implementations effectively. In addition, the Software Test Engineer will work with System Engineers, Developers and other Testers to accurately author the test-based documentation required for the project.
Primary Responsibilities:
Author and execute manual and automated test cases to ensure product requirements are met.
Author and maintain tools, techniques, and practices for assuring the testing of the product.
Participate in agile planning events, analysis and design events, and reviews
Ensure that quality checks and acceptance criteria are satisfied before code merges can occur.
Ensure complete and timely reporting on bugs and test results.
Identify, analyze, and document problems with program function, output, online screen, or content.
Participate in product design reviews to provide input on functional requirements, product designs, schedules, or potential problems.
Write testing documentation and help finalize all system and software documentation CDRLs for the program.
Familiarity working on programs using the Agile Scrum methodology
What you will like about this position…
Being part of an amazing team of professionals all passionate about the vision of the product and the positive impact it provides to our many customers.
Implementing a wide variety of technologies and the use of powerful industry-standard development tools and practices.
Basic Qualifications:
Position requires US citizenship and an active Secret DoD security clearance
Bachelor’s Degree in Systems Engineering, Computer Science, or related field and 4-8 years of related experience.
At least 5 years of experience in software testing and/or software development.
Experience with a scripting language: Python, JavaScript, and related others.
Experience with implementing regression testing for software.
Experience performing “illity” testing, especially performance testing.
Familiarity and/or experience using automated test tools on software projects.
The ability to communicate effectively with both Product Owners and software developers.
Knowledge of Agile Development methodologies.
Excellent verbal and written communication skills.
Preferred Qualifications:
Ability to quickly become proficient in new tools/technologies.
Ability to identify efficiencies and process improvements between the development and testing disciplines.
Experience in Agile development methodologies.
Experience with a version control system (e.g., Git, SVN).
Experience with an issue/problem tracking system (e.g., VersionOne, Jira).
Experience with continuous integration environments (e.g., Jenkins).
Proficiency with MS Office Products (i.e., Word, Excel, Visio, & PowerPoint).
DoD 8570 approved security certification (i.e., Security +, CISSP, etc.) (Will be required 90 days after hire)
Desired Skills:
Experience using Squish for Qt.
Agile certification
We’re not looking for perfectly polished resumes or perfect fits. We’re looking for people who break limits, ask hard questions, and don’t wait to be told what’s next. At Leidos, we’re not following the roadmap — we’re redrawing it.
Original Posting:November 12, 2025For 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.
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.
Top Skills
What We Do
We Are Leidos
For 50 years we have been tackling some of the biggest problems that face our nation and our world.
OUR MISSION
Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020.
Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®.
Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos.
Your most important work is ahead.
