Senior Cloud Security Architect for AI & Gov

Amentum; Oregon; Hybrid; USD 150,000 - 165,000; Full time

Benefits offered by this job

Health, dental, and vision

PTO and holidays

401k matching

Educational reimbursement

Parental leave

ESOP

Tax-saving options

Disability and life insurance

Pet insurance

Job summary

Amentum is seeking a Senior Cloud Security Architect in Oregon to design, implement, and operate security controls across Microsoft 365 Commercial and GCC High, Azure, AWS, and hybrid environments. The role combines hands-on engineering with architectural leadership for AI, copilots, and agentic systems in regulated domains.

You will perform threat modeling, build reusable IaC components, and collaborate with risk, compliance, and platform teams to enforce security across government and

Qualifications

• Bachelor's degree in cybersecurity, information technology, computer science, engineering, or related field.
• 8+ years of experience including cloud security design and implementation.
• Hands-on with Microsoft 365, Azure, AWS, and hybrid environments.

Responsibilities

• Design and implement security controls across cloud platforms and AI services.
• Lead threat modeling, review designs, and validate technical controls.
• Develop reusable IaC components and deployment automation.
• Collaborate with Risk and Compliance for assessments and audits.
• Support secure adoption of generative AI capabilities in gov/commercial clouds.

Skills

Cloud security design

Threat modeling

IAM & data protection

Security automation

Infrastructure as code

AI security

Governance patterns

Security testing

Education

Bachelor's degree in Cybersecurity/IT/CS/Engineering

Tools

Microsoft 365

Azure

AWS

GCC High

Terraform

Job description

Amentum is seeking a Senior Cloud Security Architect in Oregon to design, implement, and operate security controls across Microsoft 365 Commercial and GCC High, Azure, AWS, and hybrid environments. The role combines hands-on engineering with architectural leadership for AI, copilots, and agentic systems in regulated domains.

You will perform threat modeling, build reusable IaC components, and collaborate with risk, compliance, and platform teams to enforce security across government and