Senior Cloud Security Architect for AI & Gov Cloud

Amentum; Madison (WI); On-site; USD 150,000 - 165,000; Full time

Job summary

Amentum is seeking a Senior Cloud Security Architect to design, build, deploy, and maintain security controls across Microsoft 365 Commercial and GCC High, Azure, AWS, and hybrid environments.

You will lead technical design, configuration, and automation, with hands-on responsibility for secure AI adoption and cross-team collaboration across government and commercial workloads. This role requires strong Cloud security expertise and compliance experience.

Qualifications

• U.S. citizenship is required.
• Typically eight or more years of relevant experience including five years in cloud, security, systems, or infrastructure engineering.
• Strong hands-on knowledge of Microsoft cloud or AWS security capabilities.
• Experience designing, deploying, and troubleshooting controls for cloud identity, network segmentation, data protection, logging, posture management, and workload protection.
• Experience applying cloud security principles to AI or machine-learning services.
• Experience using infrastructure as code, source control, scripting, and deployment automation.

Responsibilities

• Design and implement security controls across Microsoft 365 Commercial and GCC High, Azure, AWS, and hybrid services.
• Design and implement security architectures for generative AI, machine learning, enterprise copilot, and agentic systems.
• Perform hands-on configuration, testing, troubleshooting, and tuning for complex cloud security implementations.
• Lead focused design reviews and threat modeling for new services and higher-risk use cases.
• Engineer and administer cloud security posture management and workload protection capabilities.
• Integrate cloud security telemetry with enterprise monitoring and response platforms.

Skills

Cloud security design

IaC & automation

Threat modeling

AI security

Cross-team collaboration

Education

Bachelor's degree in cybersecurity or related field

Job description

Amentum is seeking a Senior Cloud Security Architect to design, build, deploy, and maintain security controls across Microsoft 365 Commercial and GCC High, Azure, AWS, and hybrid environments.

You will lead technical design, configuration, and automation, with hands-on responsibility for secure AI adoption and cross-team collaboration across government and commercial workloads. This role requires strong Cloud security expertise and compliance experience.