Open role
Senior Security Engineer
Leidos
5 LocationsPosted Aug 25, 2026 · 57m ago$131k – $237k
Full-time$131k – $237kSeniorOn-siteDefense
About this role
Leidos is seeking a Senior Security Engineer to lead the security posture for environments developing advanced AI-cyber capabilities. You will collaborate with software engineers and researchers to harden infrastructure, supply chains, and pipelines, while guiding secure development practices. This role involves threat modeling, vulnerability management, and ensuring the security of AI/LLM orchestration tools.
What we are looking for
6- Own security posture of AI-cyber capability development environments
- Harden infrastructure, supply chains, and pipelines
- Guide secure development practices for engineering teams
- Perform threat modeling and vulnerability management
- Leverage Python for API integrations and AI/LLM orchestration
- Support continuous ATO and vulnerability management workflows
Skills mentioned
6PythonDockerKubernetesLinuxTerraformCI/CD
Work authorization
Must be authorized to work without sponsorship.
