AWS Cloud Security Architect

Function

Our client is looking for an experienced cloud security professional to strengthen the security architecture capability within its CISO function. In this role, you will act as a trusted technical authority on cloud security, helping shape secure cloud transformation initiatives, review solution designs, and ensure that risks are properly addressed through the right controls and governance processes.

Responsibilities

• Define and maintain cloud security policies, standards, guardrails, design patterns, and reference architectures for AWS and Azure environments.
• Develop reusable security blueprints and architectural building blocks for cloud and cloud-native technologies.
• Translate business, regulatory, and security requirements into practical cloud security controls.
• Design security requirements for cloud platforms and services, with a focus on secure-by-design and zero-trust principles.
• Provide technical guidance during design workshops, proof-of-concepts, and implementation activities.
• Review solution designs and cloud projects, identifying security gaps, risks, and weaknesses.
• Assess the security impact of emerging cloud technologies and AI services.
• Conduct threat modelling and define remediation actions, while supporting risk acceptance and exception processes.
• Participate in architecture and governance reviews and collaborate with risk stakeholders to ensure proper tracking and treatment of identified risks.
• Work with operational security teams to help ensure controls are monitorable and operable, and to improve cloud detection and response capabilities.
• Promote cloud security awareness and support engineering teams in adopting secure cloud practices.

Technical Skills

• Strong hands-on expertise in AWS security architecture is mandatory.
• Experience with Azure security architecture is a plus.
• Proven ability to define and operate a cloud security control framework.
• Experience building cloud security patterns, blueprints, and reference architectures.
• Solid understanding of:
  • AWS Identity and Access Management (IAM)
  • Network security, including VPC, Transit Gateway, Security Groups, and NACLs
  • Container security, including EKS and ECS
  • Infrastructure as Code, including Terraform and CloudFormation
  • Secrets management and cryptography
  • Logging, monitoring, and detection
  • Security automation and DevSecOps
  • AWS security services such as GuardDuty, Security Hub, Inspector, WAF, and KMS
• Experience with architecture risk assessments and threat modelling for cloud-based solutions.
• Familiarity with compliance frameworks such as NIS2, ISO 27001, CIS, and NIST CSF.
• AWS Security Specialty certification is highly desirable.

Profile

• At least 10 years of experience in IT and cybersecurity.
• Minimum 5 years of hands-on experience in cloud security architecture.
• Proven experience securing AWS environments and reviewing complex solution architectures.
• Strong ability to challenge technical designs and provide practical security guidance.
• Confident stakeholder manager with excellent communication skills.
• Collaborative mindset and the ability to work effectively with engineering, security, and risk teams.

Practical Information

• Location: Brussels, with a hybrid working arrangement.
• Contract: full-time consulting assignment with an initial term that is renewable.
• Language requirements: fluent English; Dutch and/or French is a plus.

Contactperson & Reference

• Reference #: INW27953
• Jeroen Van Hoecke
• jeroen.vanhoecke@i4m.be