Software Test Engineer TS/SCI Polygraph
Listed on 2026-07-13
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Software Development
Software Engineer, Software Testing, DevOps
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!
Leidos is seeking a Software Test Engineer to support testing for an Enterprise ICAM system as part of a cross-functional Agile team. The ideal candidate will design, execute, and document manual and automated tests; develop test cases and automation frameworks; identify and track defects; analyze performance and system behavior; and perform continuous functional, integration, acceptance, and regression testing to ensure quality and backward compatibility.
PrimaryResponsibilities
- Collaborate with software engineers to design effective test strategies, test cases, and quality assurance approaches
- Develop and maintain automated testing frameworks, test harnesses, and manual and automated test solutions
- Execute and manage functional, regression, integration, and acceptance testing across system life cycles
- Identify, document, track, and help resolve defects while analyzing test results for performance, load, and reliability issues
- Test applications in Windows and Linux/CentOS environments using tools such as Behave, SoapUI, JUnit, and others
- Apply knowledge of REST APIs, JSON/XML, scripting languages, version control systems, SQL, and related technologies in testing processes
- Communicate technical findings clearly while working independently and within Agile teams to prioritize tasks and ensure compliance (including Section 508 accessibility)
- TS/SCI Clearance with polygraph on day one (no exceptions)
- Bachelor’s Degree or higher in computer engineering or a related field. At least 5 years of software engineering experience required; alternatively, 4 years of software engineering experience may be substituted for a bachelor's degree, for a total of 9 years.
- 2+ years’ work experience in SIGINT, IA, or IT domains
$87,100.00 - $
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