Sr. Test Engineer

Leidos LLC; Plyers Mill Estates (MD); On-site; USD 108,000 - 195,000; Full time

Benefits offered by this job

Paid Time Off

11 paid Holidays

401K with 6% match

Flexible Schedules

Discounted Stock Purchase Plans

Technical Upskilling

Education and Training Support

Parental Paid Leave

Job summary

Leidos is seeking a Sr. Test Engineer to design, develop, and execute automated tests within a Continuous Integration/Delivery pipeline in a commercial cloud environment. You will help streamline testing, reduce defects, and accelerate software releases across the program.

The role focuses on automation test development, collaboration with Agile teams, and performance testing using tools such as Selenium and Katalon Studio. A TS/SCI with polygraph is required for eligibility.

Qualifications

• Experience in software quality assurance with a focus on automation testing.
• Experience creating, executing and documenting test cases in an agile cadence.
• Experience using automation frameworks and tools like Selenium or Katalon Studio.
• Familiarity with writing efficient and scalable test scripts.
• Direct experience with software performance testing practices.
• Experience with Commercial Cloud Platforms (e.g., AWS) and DevOps in SAFe/DevOps environments.
• BS degree with 8+ years or MS with 6+ years of relevant experience (or equivalent).
• Active TS/SCI with Polygraph is required.

Responsibilities

• Participate in Agile software development initiatives to support testing in a cloud environment.
• Collaborate to assess StoryPoint/complexity for proper testing and delivery against acceptance criteria.
• Develop automated test approaches emphasizing regression testing and automation.
• Develop automated test cases for custom applications using GUI/COTS products (Selenium, Katalon Studio).
• Leverage DevOps practices to ensure repeatability and configuration management of tests.
• Document end-to-end test narratives and support performance testing with JMeter.

Skills

Automation testing

Selenium

Katalon Studio

Test scripting

CI/CD

AWS

DevOps

SAFe Agile

Education

BS degree / MS degree

Tools

Jenkins

GitHub

JMeter

Job description

Leidos has an exciting opportunity for a Sr. Test Engineer 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!

Benefits

• 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

Job Summary

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.

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.

Primary Responsibilities

• 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

• Experience in software quality assurance with a focus on automation testing.
• Experience with creation, authoring, execution and documentation of test cases/result sets for software products in an agile cadence
• Experience using automation frameworks and tools like Selenium or Katalon Studio
• Familiarity in writing efficient and scalable test scripts.
• Direct experience with software performance testing practices
• 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 8 or more years of prior relevant experience or Master’s with 6 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
• Programming skills in languages such as Java or Python enabling the ability to write efficient and scalable test scripts.
• Experience with CI/CD tools (e.g., Jenkins, GitHub) and their integration with automated tests.
• Direct experience with AWS environments

Pay Range

Pay Range: $107,900.00 - $195,050.00

Original Posting: January 22, 2026

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 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 here.

Securing Your Data

Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to [e-mail].

Commitment and Diversity

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law.

Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

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 $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit www.Leidos.com.