Role Overview
We are looking for a Senior AWS Security Engineer to strengthen our cloud security posture and act as a trusted partner to the CISO. This role sits at the intersection of IT, Security, and Architecture, with a strong focus on AWS security, IAM governance, and continuous improvement of security controls.
The ideal candidate combines hands-on technical expertise with strong analytical skills, and is comfortable working in a strategic context while remaining close to implementation realities.
Key Responsibilities
Cloud Security & Architecture Review
- Review and challenge the security posture of AWS architectures, including network design, segmentation strategies, private connectivity (e.g. PrivateLink), and endpoint security (including laptops/workstations).
- Assess solutions against security frameworks and best practices, with a strong focus on the AWS Security Pillar.
- Provide actionable recommendations to improve overall security maturity.
AWS Governance & Security Controls
- Manage and optimize AWS Organizations, including Service Control Policies (SCPs) and AWS Control Tower.
- Strengthen cloud governance frameworks and ensure alignment with regulatory requirements (including NIS2).
IAM & Access Management
- Design and improve IAM models following least privilege principles.
- Automate roles, permissions, and access reviews within AWS.
- Define scalable and secure approaches to identity and access governance.
AWS Native Security Services
- Evaluate, configure, and continuously improve AWS security services such as:
- GuardDuty
- Security Hub
- CloudTrail
- Inspector
- Provide expert recommendations on configuration, coverage, and optimization.
Threat Protection & Perimeter Security
- Enhance perimeter protection using services such as AWS Shield Advanced and related technologies.
- Contribute to strengthening detection and response capabilities.
CISO Advisory & Research
- Act as a trusted advisor to the CISO, capable of:
- Conducting in-depth research on complex security topics
- Translating business/security challenges into concrete solutions
- Providing clear, structured recommendations
Stakeholder Collaboration
- Serve as the bridge between IT and Security teams, ensuring alignment and effective communication.
- Collaborate with AWS technical representatives and support teams.
- Act as a key point of contact for compliance topics, including NIS2.
Profile & Requirements
- Experience5-10+ years in IT Security, with strong exposure to AWS environments
- Proven experience in cloud security engineering and IAM
- Technical SkillsStrong expertise in:
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- AWS Organizations, SCPs, Control Tower
- IAM design and governance
- AWS security services (GuardDuty, Security Hub, CloudTrail, Inspector)
- Solid understanding of:
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- Network security (segmentation, private links)
- Endpoint security concepts
- Security frameworks and best practices
- Soft SkillsAnalytical mindset with strong problem-solving abilities
- Ability to work autonomously and conduct research on complex topics
- Team player with a hands-on and humble attitude
- Strong communication skills, able to interact with both technical and executive stakeholders
- LanguagesMandatory: Dutch & English
- French is a strong plus
Practical Information
- Location: Brussels (2-3 days onsite per week)
- Type: Long-term mission with a strategic vision
- Reporting line: Close collaboration with the CISO
Recruitment Process
- Step 1: Technical interview
- Step 2: Personality & mindset interview (approach, reasoning, collaboration style)
