Leidos · 3 hours ago
Senior Information System Security Engineer
Alexandria, VA
Full-time
Onsite
Senior Level, Lead/Staff
$108K/yr - $195K/yr
8+ years expLeidos is a company pioneering the future of defense and intelligence technology. They are seeking a Senior Information System Security Engineer to support cloud modernization initiatives for the United States Coast Guard, focusing on delivering secure cloud solutions that enable operational agility and resilience.
ComputerGovernmentInformation ServicesInformation TechnologyNational SecuritySoftware
No H1B
Security Clearance RequiredU.S. Citizen Only
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
Qualification
Required
Bachelor's degree in a related field (e.g., Computer Science, Information Systems, Business)
8-12 years of experience in information security engineering
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 (e.g., Terraform, Ansible, Puppet)
Hands-on experience with containerization and orchestration (e.g., Docker, Kubernetes)
Certifications such as CCSP, AWS Certified Security – Specialty, or Azure Security Engineer required
Excellent facilitation, communication, and stakeholder engagement skills
Ability to work in a fast-paced, mission-driven environment
Must be a U.S. Citizen and able to obtain a Public Trust and DoD Secret Clearance
Preferred
Familiarity with zero trust principles and secure multi-cloud strategies
Experience with compliance frameworks (FedRAMP, SOC 2, HIPAA, PCI-DSS)
Proficiency in scripting and automation (Python, Bash, PowerShell)
Prior experience supporting DHS, USCG, or other federal cloud modernization efforts
Experience working with technical teams in cloud, cybersecurity, or enterprise IT environments
Company
Leidos
Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health.
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
unknown2025-02-20Post Ipo Debt
2013-09-17IPO
Leadership Team
James Carlini
Chief Technology Officer
Theodore Tanner
Chief Technology Officer
Recent News
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2025-12-16
2025-12-16
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