Software Test Engineer TS/SCI Polygraph

• Collaborate with software engineers to design effective test strategies, test cases, and quality assurance approaches

• Develop and maintain automated testing frameworks, test harnesses, and both manual and automated test solutions

• Execute and manage functional, regression, integration, and acceptance testing across system lifecycles

• 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 in a field related to computer engineering or computer science disciplines is required. 5+ years of software engineering experience is required. 2+ years' work experience in SIGINT, IA, or IT domains is required. 4 years of software engineering experience may be substituted for a bachelor's degree, for a total of 9 years.

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!, 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 www.leidos.com/careers/pay-benefits .

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., 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., 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 www.Leidos.com .