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Information Systems Security Engineer (ISSE) SME
Leidos
2 LocationsPosted Oct 14, 2026 · 2h ago$154K – $278K
Full-time$154K – $278KSenior levelDefense
About this role
As an Information Systems Security Engineer (ISSE) SME at Leidos, you will design, develop, and implement secure information systems to support critical mission operations. You will collaborate with multidisciplinary teams to integrate security controls, perform vulnerability assessments, and ensure systems are resilient against evolving threats. This role is crucial for maintaining system security throughout the lifecycle, including integration into DevSecOps pipelines.
What we are looking for
6- Apply system security engineering principles across various domains
- Conduct technical cybersecurity assessments and audits
- Identify system vulnerabilities and ensure compliance with standards
- Install, configure, and maintain security scanning and monitoring tools
- Support the RMF authorization process and manage POA&Ms
- Integrate security tools into DevSecOps CI/CD pipelines
Skills mentioned
3AWSGCPCI/CD
Work authorization
Requires a Ts Sci security clearance.
