Principal Test Engineer
$131.3k - $237.35kLeidos
Description
Leidos has an exciting opportunity for a Principal 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!
Job Summary:
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 within a commercial cloud environment. Flexible cross-training to also provide systems engineering, software development, training, and security. Job duties are performed within a commercial cloud environment.
Responsibilities Include:
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 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:
In-depth experience testing both back-end and front-end applications processes, scripting languages (ex: Python) to automate tasks, and test data/script development
Knowledge of or direct experience with software performance testing practices
Direct experience with creation, authoring, execution and documentation of test cases/result sets for software products in an agile cadence
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 and 12+ years of prior relevant experience or Master’s 10+ years of prior relevant experience. Will consider experience in lieu of a degree
Clearance Required: Must have an active TS/SCI with Polygraph
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
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 21, 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 Range:
Pay Range $131,300.00 - $237,350.00
The Leidos pay range for this job level is a general guideline onlyand 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.
About Leidos
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 $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit .
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 at .
Securing Your Data
Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at View email address on click.appcast.io .
If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission ( .
Commitment to Non-Discrimination
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.
REQNUMBER: R-00174157
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.
$126.1k - $227.95k
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...SuggestedImmediate startFlexible hours- Seeking a Software Development Engineer in Test (SDET) that will collaborate with DevOps engineers, developers, and cloud engineers to plan, design, and develop test automation in support of DevOps and Continuous Integration, Continuous Delivery (CICD) pipelines. The...SuggestedFull timeInternship
$57.16 - $95 per hour
...most precious cultural inheritance. Job Overview As a Principal Engineer, Loyalty at Marriott, you will be working on a state of the... ...performance optimization techniques ~ Experience in using testing framework such as Playwright, Jest, Jasmine, Mocha, or Junit...SuggestedHourly payFull timeTemporary workRemote workFlexible hours- Leidos is seeking a Test Engineer (SME) to join their Intel Security Sector in Bethesda, Maryland. This role involves developing and executing automated testing scripts as part of a tailored SAFe Agile DevSecOps pipeline. The successful candidate will work on software development...Suggested
- Overview Leidos has a new and exciting opportunity for a 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...SuggestedImmediate startFlexible hours
$154.05k - $278.48k
Description 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...Immediate startFlexible hours- Xcelerate Solutions is seeking a highly skilled Tester Engineer (Mid - Master Level) in Bethesda, MD. This role focuses on developing automated testing scripts within a tailored SAFe Agile DevSecOps pipeline and requires a strong background in software development and...
- ...Vision Point Systems, Inc. is currently recruiting for a talented, innovative Corrosion Engineer. Duties include, but are not limited to, the following: ~ Laboratory test plan development and execution. ~ Field investigation. ~ Data analysis....Full timeTemporary workLocal area
$131.3k - $237.35k
...Description Leidos is seeking a Senior Systems Engineer / Product Owner to join the Air Traffic Business Area within the Homeland... ...constraints Provide technical oversight during integration, test, and operational readiness activities Ensure systems...Local areaImmediate startRemote work$100k - $160k
...Req Id: 127 Job Title: Systems Integrator / Test Engineer Location: Herndon, VA - Herndon, VA 20171 US (Primary) Job Description: Fibertek, Inc. is a leading developer of laser and electro-optic systems for the aerospace community, with key contributions...- Overview Senior Integration Test Engineer Location: Hybrid working role. Whiteley, Hampshire Clearance Required: This role will require attainment and maintenance of SC clearance. We are looking for a Senior Integration Test Engineer to join our team to help us deliver...Immediate startFlexible hours
- Leidos is searching for a Senior Integration Test Engineer to help deliver a large-scale systems integration program. This hybrid role requires strong testing experience, including the generation of Test Plans and Test Cases. The candidate will interface with international...
- ...Principal Quality Engineer Are you interested in being part of an innovative team that supports Westinghouse's mission to provide clean energy... ...Code applications (e.g. Data Reports and Certified Material Test Reports, CMTRs) and compliance for new (e.g. AP1000) and...Summer workFlexible hours
- ...Acoustics Engineer Company Overview: KMS Solutions, LLC is a technical management / solutions company that specializes in engineering... ...the resources required for the R&D, design, construction, Test and Evaluation (T&E), Live Fire Test and Evaluation (LFT&E), and...Full timeContract workTemporary workWork at officeLocal areaRemote workFlexible hours
- ...Quality Engineer Seeking a highly responsible experienced quality engineer with strong background in test automation and manual testing. The candidate will be responsible for ensuring quality, reliability, and performance, the QA Engineer role for TIOCA consists of...
- ...About the role Seeking a detail-oriented QA & Test Engineer to ensure the quality and reliability of PHMSA's modernized data warehouse and reporting solutions. This role focuses on validating data migrations, testing Tableau dashboards, and ensuring system performance...
$131.3k - $237.35k
...Description Leidos has an exciting opportunity for a Data Engineer in our Intel Sector's Analysis Solutions Business Area . Our... ...Lifecycle Management : Oversee data model design, implementation, testing, deployment, and environment administration to ensure high...Work experience placementLocal areaImmediate startFlexible hours- ...security clearance. Design, develop, maintain, and execute automated test scripts supporting PeopleSoft HCM enhancements, defect fixes,... ...in automation frameworks, execution standards, and quality engineering practices. Develop or support automation using PeopleSoft Test...Full timeContract workRemote work
- ...better‑informed decisions using trusted data at scale. Leidos Digital Modernization sector is seeking an experienced Senior Test Automation Engineer to support the delivery, enhancement, and adoption of enterprise data and analytics products used across multiple DoD...
$50 - $75 per hour
...Job Description Job Description Job Title: Test Development Engineer Job Description This role focuses on designing and developing mechanical test fixtures, test stands, and specialized test equipment to support rigorous mechanical testing of high-reliability...Contract workTemporary workWork at office- ...Leidos has an exciting opportunity for a Principal DevOps Engineer in our Intel Security Sector's Analysis Solutions Business Area. Our talented... ...and operations, and troubleshoot and resolve issues in dev, test, and production environments. Primary Responsibilities...Work experience placementFlexible hours
- ...the work and to obtain the required security clearanceFramework & Test Development:Design, build, and maintain scalable, reusable... ...TypeScriptQA certifications (e.g., ISTQB Advanced Level Test Automation Engineer )Other Information:Clearance: U.S. Citizenship is required due...Minimum wageFull timeNight shift
$96.6k - $144.9k
...important to your career, join our growing team and discover What's Next for you. Mission Focus: NT Concepts is seeking a Test Automation Engineer to support the DoD enterprise Military Housing system. This complex system of 34 web-based modules is used by over 10,000...Contract workWork experience placementWork at officeRemote work- ...Test Automation Engineer Client is looking for two Test Automation Engineers to support the Client's Website modernization project and the Smartrip 2.0 application development. Clint is seeking resources to build, test and deploy components of SmarTrip backend system...
- ...About the job Test Automation Engineer Test Automation Engineer, Woodlawn, MD Long-term Contract (Potential to Hire) Must be able to work on-site in Woodlawn, MD 5 days a week Must be able to obtain a Public Trust Clearance. NO THIRD PARTY...Long term contractPermanent employmentContract workH1bVisa sponsorship
$98.23k - $138.09k
...change at a rapid pace? Join us, where we’ll make a greater impact together. What You’ll do: We are seeking a Senior Performance Test Engineer with Appian experience to support performance testing efforts for a federal program. This role will execute performance...Local areaImmediate startRemote workFlexible hours- ...Insight Global is looking for an experienced Test Automation Engineer to support us on a mission critical program under a DoW customer. This individual will help develop and maintain automated testing frameworks that are critical for ensuring the robustness, reliability...Hourly pay
- ...Test Automation Engineer Comtech is a woman-owned small business founded in 1998 and headquartered in Reston, VA. We offer IT solutions across the disciplines of program/project management, applications development, infrastructure, Cyber security, and enterprise content...Flexible hours
- ...Summary IT Specialist (APPSW) Test Automation Engineer position(s) are being filled through the Office of Personnel Management's delegated Direct Hire Authority, open to all U.S. citizens. Selections made under this bulletin will be processed as new appointments...Full timePart timeWork at officeRelocation
- ...Solutions Business Area . Our team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software,... ...integration of newly developed Capabilities targeted for Integration test and operational environments and develop and deliver the processes...Work experience placementLocal areaImmediate startFlexible hours
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Principal Test Engineer. Be the first to apply!
- principal developer Bethesda, MD
- engineering director Bethesda, MD
- chief engineer Bethesda, MD
- data center chief engineer Bethesda, MD
- hotel chief engineer Bethesda, MD
- director software engineering Bethesda, MD
- general engineer Bethesda, MD
- principal engineer Bethesda, MD
- test engineer Bethesda, MD
- lead performance test engineer Bethesda, MD


