Operating Systems Test Engineer

Leidos seeks an Operating Systems Test Engineer to validate mission-critical IT solutions for government and commercial clients. You will design and execute test plans for operating systems and related software, develop automated and manual tests, and analyze results to ensure reliability, performance, and security. Partnering closely with developers and systems engineers, you'll drive defect resolution, refine test frameworks, and uphold rigorous quality and cybersecurity standards. Join a mission-driven, collaborative team that offers impactful work, flexible hybrid options, professional growth, and robust benefits.

Responsibilities

• Design and execute test plans for operating systems and related software components
• Develop automated and manual test cases for functional, performance, and security validation
• Collaborate with developers and systems engineers to define requirements and test strategies
• Analyze test results, troubleshoot defects, and drive issues to resolution
• Create and maintain test documentation, including test cases, scripts, and reports
• Contribute to continuous improvement of testing frameworks, tools, and processes
• Ensure compliance with security, quality, and regulatory standards for government clients

Required Skills

• Operating system testing (Windows/Linux/UNIX)
• Test automation frameworks (e.g., Selenium, Py
• Test, Robot)
• Scripting languages (Python, Bash, Power
• Shell)
• Test planning and test case development
• Performance and load testing
• Defect tracking tools (e.g., Jira, Azure Dev
• Ops)
• Continuous integration/continuous delivery (CI/CD) tools
• Systems engineering and integration concepts
• Security and compliance testing (STIGs, hardening)
• Virtualization and cloud platforms (VMware, AWS, Azure)