Senior Security Engineer Consultant

Keystone Solutions
Charleroi, Belgium
7 days ago

Role details

Contract type
Temporary contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English, French
Experience level
Senior

Job location

Charleroi, Belgium

Tech stack

Microsoft Windows
Azure
Cloud Computing
Computer Security
Computer Networks
Intrusion Detection Systems
Virtual Private Networks (VPN)
Linux System Administration
Windows Server
Routing
Security Information and Event Management
Virtual Local Area Networks
Software Vulnerability Management
Firewalls (Computer Science)
Malware Detection
Network Server

Job description

  • Participate in operational security (SecOps) for both internal systems and clients.
  • Administer, configure, and optimize Security Centers (SIEM, EDR, vulnerabilities).
  • Manage SOC alerts: qualification, analysis, escalations, and coordination with technical teams.
  • Engage in incident response activities: containment, analysis, remediation, and reporting.
  • Establish and adjust detection rules, dashboards, alerts, and playbooks.
  • Configure and secure client technical environments: servers, networks, cloud, firewalls.
  • Maintain and adjust security tools: EDR, SIEM, IDS/IPS, anti-malware solutions.
  • Develop security-related projects such as unified vulnerability management.
  • Apply hardening benchmarks (CIS, ANSSI, NIST).
  • Conduct technical security reviews of projects and propose remediation plans.
  • Document architectures, configurations, and security parameters.
  • Contribute to internal and client technical risk analyses.
  • Participate in drafting and improving policies, procedures, and processes.
  • Prepare and support audits (internal, client, NIS2).
  • Produce posture reports, KPIs, and security dashboards.
  • Collaborate with systems, network, development, and support teams.
  • Provide technical security advice in internal and client projects.
  • Participate in security awareness initiatives for teams as needed., English Level Professional working proficiency French Level Native or bilingual proficiency

Requirements

Do you have experience in Windows?, * Soft Skills: Attention to detail, analytical mindset, clear communication, autonomy, initiative, collaborative spirit, and service orientation.

  • Technical Skills: Strong knowledge of Windows Server / Linux environments, networking concepts (firewalls, VLAN, VPN, routing, segmentation), experience with EDR/XDR, SIEM, and SOC tools, system hardening practices, and familiarity with Azure / Entra ID / Microsoft 365.
  • Language: Proficient in French and technical English.

Experience:

  • 5+ years of experience in a security engineer role, SecOps, or security-focused system/network engineering.
  • Proven experience in administering security tools (EDR, SIEM, monitoring).
  • Experience in incident response or SOC monitoring is preferred.
  • Experience in MSP, MSSP, or multi-client environments is highly valued.
  • Strong knowledge of NIS2 directive, ISO 27001, or equivalent frameworks.
  • Technical or security certifications are appreciated (MS-500/SC-200, CySA+, CEH, etc.).

If you are ready to tackle technical and strategic challenges in a dynamic consultancy environment, apply today ., * Compétences « soft skills »

  • Rigueur et sens du détail, indispensable pour les environnements critiques.
  • Esprit analytique, capacité à diagnostiquer et résoudre des incidents complexes.
  • Clarté de communication, aussi bien avec des profils techniques que non techniques.
  • Autonomie et initiative, capacité à prioriser dans un contexte multi-clients., * 5 à 7 ans d'expérience dans un rôle d'ingénieur sécurité, SecOps ou ingénieur système/réseau orienté sécurité.
  • Expérience confirmée dans l'administration d'outils sécurité (EDR, SIEM, monitoring).
  • Expérience en réponse aux incidents ou suivi SOC souhaitée.
  • Expérience MSP, MSSP ou multi-clients fortement appréciée.
  • Connaissance avérée de la directive NIS2, ISO 27001 ou cadres équivalents
  • Certifications techniques ou sécurité appréciées (MS-500/SC-200, CySA+, CEH, etc.).

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