Senior Cloud Security Architect – AI & GovCloud

Amentum; Augusta (ME); On-site; USD 150,000 - 165,000; Full time

Benefits offered by this job

Health, dental, and vision insurance

401(k) matching

Paid time off

Educational reimbursement

Parental leave

Employee stock purchase plan

Tax-saving options

Disability and life insurance

Pet insurance

Job summary

Amentum is seeking a Senior Cloud Security Architect to design, deploy, and maintain security controls across Microsoft 365, GCC High, Azure, AWS, and hybrid environments, with hands-on implementation and governance for civilian and government workloads.

The role focuses on AI readiness, secure deployments, threat modeling, and practical security patterns, while collaborating with cross-functional teams to ensure compliant, resilient cloud platforms that meet regulatory requirements.

Qualifications

• Strong hands-on knowledge of cloud security across Microsoft 365, Azure, AWS, and hybrid environments.
• Experience designing, deploying, and troubleshooting cloud security controls and patterns.

Responsibilities

• Design and implement security controls across Microsoft 365 Commercial and GCC High, Azure, AWS, and hybrid services.
• Lead threat modeling and security design reviews for new services and high-risk use cases.
• Develop reusable infrastructure-as-code components and deployment automation for security policies and onboarding.

Skills

Cloud security knowledge

Technical risk communication

Education

Bachelor's degree or equivalent in cybersecurity/IT/CS/engineering

Job description

Amentum is seeking a Senior Cloud Security Architect to design, deploy, and maintain security controls across Microsoft 365, GCC High, Azure, AWS, and hybrid environments, with hands-on implementation and governance for civilian and government workloads.

The role focuses on AI readiness, secure deployments, threat modeling, and practical security patterns, while collaborating with cross-functional teams to ensure compliant, resilient cloud platforms that meet regulatory requirements.