Leader Cyber Security Analyst

Location: Brussels or Luxembourg (On-site)

EU Citizenship required

Fluency in English (written & spoken) required

Role Overview

We are seeking two experienced Leader Cyber Security Analysts to strengthen cybersecurity architecture, monitoring, and operational capabilities within a large-scale enterprise environment. The selected consultants will contribute to the design, implementation, and operation of advanced cybersecurity solutions, ensuring high levels of security, resilience, and operational excellence.

Key Responsibilities

• Design, implement, and operate cybersecurity solutions
• Lead event log management and analytics platforms (Splunk Enterprise, Cribl Stream)
• Support incident management and response tooling (containerised environments such as HashiCorp Nomad)
• Contribute to the architecture and design of security solutions
• Manage changes in a structured and controlled manner
• Ensure cybersecurity platforms remain up to date and secure
• Draft technical documentation (design documentation and operating procedures)
• Collaborate closely with ICT teams (network, data centre, applications, etc.)
• Escalate and mitigate risks impacting cybersecurity posture

Required Expertise

SIEM & Log Management

• Splunk Enterprise
• Cribl Stream
• Security events monitoring, correlation, and analysis
• Log collection, filtering, aggregation, and processing

Security Architecture

• Design of enterprise cybersecurity solutions
• Integration of security platforms across complex infrastructures

Network Security

• Firewall technologies
• IDS/IPS
• Proxies
• Authentication systems
• IP security
• Remote access control
• Internet/Intranet/Extranet environments

Windows Security

• Workstation and server hardening
• Active Directory security and management
• Security log handling and monitoring

Linux Security

• Linux server/workstation hardening
• Log gathering and monitoring

Containerisation

• Experience with container orchestration environments (e.g., Nomad or similar)

Cloud Security

• Microsoft cloud security stack (Sentinel, Entra ID, Defender, etc.)
• AWS security services (GuardDuty, Security Hub, etc.)

Profile Requirements

• Minimum 6+ years of professional experience in cybersecurity
• Strong hands-on experience with SIEM and security monitoring solutions
• Experience working in complex enterprise environments
• Ability to operate independently while coordinating across multiple teams
• Excellent communication skills in English