Leidos has a new and exciting opportunity for a Principal 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 Description
As a Test Engineer on this program, you will have the opportunity to design, develop, and execute automated tests to ensure the quality and reliability of software applications and services in a Continuous Integration / Continuous Delivery Pipeline within a commercial cloud environment. You will play a crucial role in the software development lifecycle, aiming to streamline testing processes, reduce defects, and accelerate software releases.
Primary Responsibilities
Guide and mentor junior and mid-level test engineers, sharing best practices, conducting code reviews, and fostering a culture of quality and continuous improvement.
Participate in program Agile software development initiatives (standup, planning, increment planning) to support innovation and enhancement of custom applications through iteration/functionality testing within a commercial cloud environment.
Participate and collaborate with team members to assess StoryPoint/complexity efforts (using best practices) to ensure proper testing and delivery of functionality per User Story Acceptance Criteria
Collaborate with team members (Scrum Master, Product Owner, Software Developers) to develop test approaches with emphasis on automation of recurring/regression test cases through selected toolsets
Develop automated test cases using knowledge of custom Applications through designated GUI/COTS products (ex: Selenium and Katalon Studio)
Leverage DevOps practices to ensure repeatability and Configuration Management of test cases/scripts are maintained and continuously improved
Develop and document end-to-end functionality test case narratives using task management system (JIRA/Confluence) and support performance testing/evaluation activities using tools such as Jmeter
Basic Qualifications:
Significant experience in software quality assurance with a significant focus on automation testing.
Significant experience with creation, authoring, execution and documentation of test cases/result sets for software products in an agile cadence
General understanding and hands-on experience in designing and implementing robust automation frameworks using tools like Selenium or Katalon Studio
Strong programming skills in languages such as Java or Python enabling the ability to write efficient and scalable test scripts.
Significant experience with CI/CD tools (e.g., Jenkins, GitHub) and their integration with automated tests.
Direct experience with software performance testing practices
Significant experience working/testing within Commercial Cloud Platforms (ex: AWS) and DevOps tools, and working in a SAFe Agile and DevOps development environment
Demonstrated ability to work within collaborative environment to execute test cases complimentary to development efforts
BS degree with 12 or more years of prior relevant experience or Master’s with 10 or more years of prior relevant experience. Will consider experience in lieu of a degree
Candidate must have an active TS/SCI with Polygraph
Preferred Qualifications:
Hands-on experience with Katalon Studio and Katalon Runtime Engine
Experience reviewing output of CI/CD jobs and capable of tracking test failures back to code changes that resulted in bugs
Capable of reviewing code check-ins to understand the impact of code changes on system functionality and potential applications bugs.
Direct experience with AWS environments
CABARESTON
At Leidos, we don’t want someone who "fits the mold"—we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, “what’s next?” before the dust settles on “what’s now.”
If you’re already scheming step 20 while everyone else is still debating step 2… good. You’ll fit right in.
Original Posting:September 10, 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.
