Test Engineer SME

Leidos has an exciting opportunity for a Test Engineer (SME) in our Intel Security Sector's Analysis Solutions Business Area.  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

This Test Engineer SME will provide technical expertise with developing and executing automated testing scripts as part of a tailored SAFe Agile DevSecOps pipeline. As a Test Engineer on this program, you will have the opportunity to perform software development to implement scripts, evaluate test results, and feedback loops in a Continuous Integration Continuous Delivery Pipeline; all within Commercial cloud development environments.  Flexible cross-training to also provide systems engineering, software development, training, and security is also desired.

Job Responsibilities:

• Participate in program Agile software development initiatives (standup, planning, Increment planning) to support innovation and enhancement of custom applications through iteration/functionality testing
• 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 test validation scripts using program designated languages (ex: Python); and also 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 the continuously improved
• Support performance testing/evaluation activities using tools such as Jmeter; and develop and document end-to-end functionality test case narratives using task management system (JIRA/Confluence)  
• Generate test data and identify use/corner cases required to meet User Story/Customer needs

Basic Qualifications:

• Ability to test both front end changes and back-end applications processes
• Expertise with scripting languages (e.g., Python) for automating tasks and test data/script development
• Extensive experience creating, authoring, executing, and documenting test cases for software products in an Agile cadence; using software performance testing practices
• Extensive experience working/testing within Commercial Cloud Platforms (ex: AWS) and DevOps tools
• Demonstrated ability to work within collaborative environment to execute test cases complimentary to development efforts
• Extensive experience working in a SAFe Agile and DevOps development environment and tempo
• Masters with 15 or more years of relevant experience or a PhD with 13 or more years of relevant experience. Additional years of experience may be substituted in lieu of a degree.
• TS/SCI with a polygraph is required for consideration.

Preferred Qualifications:

• Experience with administration of MS Windows Server or Linux environments (Lab or Personal development space)
• Experience reviewing output of CI jobs and capable of tracking test failures back to code changes that resulted in bugs
• Capable of review code check-ins to understand the impact of code changes on system functionality and potential applications bugs.
• Direct experience with AWS environments

At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – apply today.

CABARESTON

#ASBA

#HALO

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:

January 22, 2026

Pay Range:

Pay Range $154,050.00 - $278,475.00

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.