Senior Cloud Security Architect for AI & Gov Clouds

Amentum; San Juan (PR); On-site; USD 150,000 - 165,000; Full time

Benefits offered by this job

Health Insurance

Dental Insurance

Vision Insurance

Paid Time Off

401(k) Matching

Educational Reimbursement

Parental Leave

Employee Stock Purchase Plan

Tax-Saving Options

Disability Insurance

Life Insurance

Pet Insurance

Job summary

Amentum is seeking a Senior Cloud Security Architect to design, implement, and maintain security controls across Microsoft 365, Azure, AWS, and hybrid environments for both commercial and government clouds. The role emphasizes hands-on configuration, deployment automation, and secure AI service patterns.

You will lead threat modeling, risk assessments, and collaboration with risk and compliance teams to ensure regulatory alignment across CMMC, NIST, and other standards, while guiding security

Qualifications

• Typically eight or more years of relevant experience including five years in cloud security engineering.
• Hands-on responsibility for design and implementation with a bachelor’s degree in related field.
• Strong hands-on knowledge of Microsoft cloud or AWS security capabilities.
• Experience securing cloud identity, data protection, logging and workload protection.
• Experience with infrastructure as code, deployment automation.
• Experience with threat modeling and translating security requirements into technical solutions.

Responsibilities

• Design and implement security controls across Microsoft 365, Azure, AWS, and hybrid environments.
• Lead threat modeling and risk assessments for new services and higher‑risk use cases.
• Develop reusable IaC components and deployment automation for security policies and onboarding.
• Lead complex platform changes and coordinate with Cloud Security Engineer for tuning and support.
• Collaborate with Risk and Compliance to translate requirements into technical controls.

Skills

Cloud security

Security architecture

Threat modeling

IAM and access control

Posture management

Education

Bachelor's degree or higher in related field

Tools

Microsoft 365 Security

Azure

AWS

Infrastructure as Code

Job description

Amentum is seeking a Senior Cloud Security Architect to design, implement, and maintain security controls across Microsoft 365, Azure, AWS, and hybrid environments for both commercial and government clouds. The role emphasizes hands-on configuration, deployment automation, and secure AI service patterns.

You will lead threat modeling, risk assessments, and collaboration with risk and compliance teams to ensure regulatory alignment across CMMC, NIST, and other standards, while guiding security