Senior Cloud Security Architect, Enterprise Cloud & Accreditations

Aegis Vision; Brussel Hoofdstad; On-site; EUR 90,000 - 140,000; Full time

Job summary

NATO Headquarters in Brussels, Belgium seeks a Senior Cloud Security Engineer to design and secure cloud services, lead accreditation activities, and drive risk-informed decision making. You will implement Zero Trust architectures, coordinate risk assessments, and ensure continuous assurance across enterprise cloud environments.

Candidates should have senior cloud security experience, strong knowledge of security frameworks (ISO/NIST), and excellent communication skills in English.

Qualifications

• University degree in a relevant technical field.
• Senior experience in cloud security engineering and control implementation.
• Experience designing security architectures with Zero Trust principles.
• Knowledge of ISO 27001/27005 or NIST frameworks and risk management.
• Strong English writing and presentation skills; NATO security context is a plus.

Responsibilities

• Cloud Security Engineering & Architecture: design and implement secure cloud solutions (IaaS, PaaS, SaaS).
• Accreditation Support: coordinate security accreditation for cloud and AI-enabled systems.
• Cyber Risk Assessments: perform risk assessments and document treatment options.
• Continuous Assurance & Compliance: define monitoring, vulnerability management, and configuration controls.
• Stakeholder Coordination: deliver technical briefs and reports to committees and boards.

Skills

Cloud Security Engineering

Security Architecture

Zero Trust

Risk Management

Education

University degree in CS / Systems Science

Job description

NATO Headquarters in Brussels, Belgium seeks a Senior Cloud Security Engineer to design and secure cloud services, lead accreditation activities, and drive risk-informed decision making. You will implement Zero Trust architectures, coordinate risk assessments, and ensure continuous assurance across enterprise cloud environments.

Candidates should have senior cloud security experience, strong knowledge of security frameworks (ISO/NIST), and excellent communication skills in English.