Security Engineer
onetowin cvba
Brussels, Belgium
5 days ago
Role details
Contract type
Temporary contract Employment type
Full-time (> 32 hours) Working hours
Regular working hours Languages
EnglishJob location
Brussels, Belgium
Tech stack
Microsoft Active Directory
Software Documentation
Identity and Access Management
Microsoft Security Essentials
Windows Server
Powershell
Role-Based Access Control
Splunk
Job description
- The mission covers all Active Directory forests and domains, as well as all processes and tools related to privileged access and identity governance.
- Improve the PingCastle security score.
- Support in selecting and Implementing new PAM Solution
Main purposes
- Active Directory Hardening
- Assess and enhance the current security posture of Active Directory.
- Identify and remediate key technical weaknesses detected by PingCastle.
- Eliminate legacy components and protocols (e.g., Windows Server 2003/2008, DES-enabled accounts, NTLMv1, LM).
- Implement secure authentication and password policies.
- Review and clean up GPOs, apply least privilege principles, and align configurations with Microsoft security baselines.
- Privileged Access Management (PAM)
- Implement a structured PAM framework.
- Enforce the Principle of Least Privilege (PoLP) and Role-Based Privilege Assignment. Implement Access Isolation.
- Establish Periodic Access Reviews (e.g., quarterly).
- Define and implement an Authorization Process (standardized, auditable approval workflow).
- Implement Just-in-Time (JIT) Access for temporary privilege elevation.
- Enforce the Four-Eyes Principle for critical privileged actions.
- Documentation, Reporting, and Governance
- Develop a detailed remediation and implementation roadmap (AD + PAM).
- Document all technical actions (initial state, final configuration, scripts/tools used).
- Deliver regular progress reports (weekly or bi-weekly).
- Produce a final report summarizing actions, residual risks, and recommendations.
Collaboration: The expert will operate as part of the Security Team, collaborating closely with AD administrators, IAM specialists, and infrastructure engineers. (Presence required 3 days on site and 2 days remote).
Key Performance indicators
- Achievement and improvement of the target PingCastle security score for Active Directory.
- Successful and complete implementation and governance of the PAM framework components (e.g., PoLP, JIT, Four-Eyes Principle).
- On-time delivery of AD/PAM remediation documentation and reports.
- Contribution to the analysis and implementation of the Microsoft Tiering Model.
Requirements
- Proven experience in Active Directory architecture, security, and hardening.
- Strong expertise in Privileged Access Management (PAM) and Microsoft Tiering Model.
- Proficiency with PowerShell, PingCastle, ADManager, and Splunk.
- Familiarity with Privileged Access Workstations (PAWs), RBAC, and IAM integration.
- Solid understanding of service account security and least privilege enforcement.
Soft Skills:
- Strong collaboration skills within multidisciplinary teams.
- High documentation standards and structured working approach.
- Analytical mindset, attention to detail, and communication clarity.
- Ability to lead or participate in workshops (RBAC, PAM, governance design).