Senior Cloud Security Architect - AI & Gov Cloud

Amentum; Bismarck (ND); On-site; USD 150,000 - 165,000; Full time

Benefits offered by this job

Health, dental, and vision insurance

Paid time off and holidays

Retirement benefits (401(k) matching)

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 Commercial and GCC High, Azure, AWS, and hybrid environments. This hands-on role leads technical design while remaining deeply involved in configuration, testing, and operational support.

The role focuses on security patterns for generative AI, machine learning, and agentic systems, applying NIST, CMMC, and privacy frameworks.

Qualifications

• U.S. citizenship is required.
• Eight or more years of relevant experience in cloud, security, systems, or infrastructure engineering, including hands-on design and implementation, typically with a Bachelor's degree.
• Strong hands-on knowledge of Microsoft cloud or AWS security capabilities and practical experience with Microsoft 365, Azure, AWS, and hybrid environments.
• Experience applying cloud security principles to AI or machine-learning services, including threat modeling and control design.

Responsibilities

• Design and implement security controls across Microsoft 365 Commercial and GCC High, Azure, AWS, and hybrid services.
• Lead threat modeling and risk assessments for new services and higher-risk use cases.
• Develop reusable infrastructure-as-code components and deployment automation for security policies and onboarding.
• Collaborate with Risk and Compliance to translate requirements into technical control objectives.

Skills

Cloud security

Threat modeling

IaC

Scripting

Deployment automation

Education

Bachelor's degree in cybersecurity

Tools

Microsoft 365

Azure

AWS

GCC High

Job description

Amentum is seeking a Senior Cloud Security Architect to design, deploy, and maintain security controls across Microsoft 365 Commercial and GCC High, Azure, AWS, and hybrid environments. This hands-on role leads technical design while remaining deeply involved in configuration, testing, and operational support.

The role focuses on security patterns for generative AI, machine learning, and agentic systems, applying NIST, CMMC, and privacy frameworks.