Remote Senior Cloud Security Engineer (ISSE)

Leidos Inc; Alexandria (VA); On-site; USD 131,300 - 237,350; Full time

Job summary

Leidos is seeking a dynamic Information Systems Security Engineer (ISSE) to support cloud modernization for the USCG at C5ISC in the Alexandria, VA area. You will design, implement, and govern secure cloud solutions across AWS and Azure, ensuring confidentiality, integrity, and availability of assets while enabling secure innovation at scale.

You will collaborate with cloud engineers, cybersecurity analysts, and program leadership to drive continuous improvement, threat modeling, and risk

Qualifications

• Bachelor’s degree in a related field (e.g., Computer Science, Information Systems, Business)
• 12+ years of experience in information security engineering or Masters with 10+ years of prior relevant experience.
• Deep expertise in AWS and Azure security services and architecture.
• Strong understanding of cloud-native security controls and shared responsibility models.
• Experience with configuration management and orchestration tools (Terraform, Ansible, Puppet).
• Hands-on experience with containerization and orchestration (Docker, Kubernetes).
• Certifications such as CCSP, AWS Certified Security – Specialty, or Azure Security Engineer.

Responsibilities

• Architect and implement secure cloud infrastructure across AWS and Azure platforms.
• Define and enforce cloud security policies, standards, and automation frameworks.
• Lead threat modeling, risk assessments, and incident response for cloud-native applications and services.
• Integrate security into CI/CD pipelines and DevOps workflows.
• Support cloud identity and access management (ICAM), encryption, and key management systems.
• Monitor cloud environments using SIEM, CSPM, CWPP, and other security tools.
• Collaborate with engineering, compliance, and operations teams to ensure secure cloud adoption.
• Stay ahead of emerging cloud threats and recommend proactive mitigation strategies.
• Support cross-functional coordination across engineering, cybersecurity, and program management teams
• Promote continuous improvement through feedback loops and process refinement
• Ensure alignment with USCG mission priorities and Leidos delivery standards

Skills

Cloud security

Threat modeling

Incident response

CI/CD security

Stakeholder engagement

Education

Bachelor’s degree in related field

10+ years experience in info security

Tools

Terraform

Ansible

Puppet

Docker

Kubernetes

Job description

Leidos is seeking a dynamic Information Systems Security Engineer (ISSE) to support cloud modernization for the USCG at C5ISC in the Alexandria, VA area. You will design, implement, and govern secure cloud solutions across AWS and Azure, ensuring confidentiality, integrity, and availability of assets while enabling secure innovation at scale.

You will collaborate with cloud engineers, cybersecurity analysts, and program leadership to drive continuous improvement, threat modeling, and risk