Senior Systems Integration and Test Engineer

Leidos seeks a Senior Systems Integration and Test Engineer to lead verification of complex, mission-critical IT and engineered solutions. In this role, you will design and execute integration and test strategies across hardware, software, networks, and security components supporting national security, health, and engineering programs. Responsibilities include developing test plans and automated scripts, configuring lab environments, validating performance and cybersecurity requirements, and driving defect resolution with cross-functional teams. You'll work in a mission-driven, collaborative culture that values integrity, innovation, diversity, work-life balance, and continuous learning. Leidos offers competitive pay, robust benefits, flexible work options, and strong professional development while you contribute to projects with real-world impact for government and commercial customers worldwide.

Responsibilities

• Lead planning, execution, and documentation of system integration and test activities
• Develop test plans, procedures, and automated test scripts for complex systems
• Validate system performance, reliability, interoperability, and cybersecurity requirements
• Diagnose, document, and track defects; collaborate with engineers on resolutions
• Support requirements verification, traceability, and test coverage analysis
• Coordinate lab configurations, test environments, and test data sets
• Provide technical input to design reviews and readiness milestones
• Prepare clear test reports and briefings for internal and customer stakeholders

Required Skills

• Systems integration
• System testing
• Test planning
• Test automation
• Requirements analysis
• Defect tracking
• Systems engineering
• Cybersecurity fundamentals
• Linux/Windows administration
• Scripting (Python, Shell)