Security Architect - Freelance - Freelance

Context

• Need to reinforce a leading gas infrastructure group's cybersecurity and architecture capabilities in response to growing threats and recent worldwide geopolitical disturbances.
• Client: a fully independent gas infrastructure group active in gas transmission, storage, and LNG terminalling.
• Department: Digital (DIGITAL) / Competence Center Architecture, with the Competence Center Cybersecurity as one of the main stakeholders.
• The role aims to turn high-level security measures into practical implementations and guidelines, while keeping user experience in mind.

Missions

• Develop, maintain and evolve the Security Architecture
• Define and maintain security reference architectures, principles, and blueprints
  • Align them with architectural strategies such as Data and Cloud strategies
• Ensure secure-by-design principles are considered in new developments
• Promote the use of Zero Trust principles
• Document and communicate security architecture standards
  • Help teams adopt coherent security principles
• Shape the long-term security capability and technology roadmap
• Align security guidelines and architecture with regulatory frameworks
  • Translate guidance into practical principles and guidelines ready to use by development teams
  • Cover NIS2, ISO 27001, and GDPR
• Provide guidance for audit and compliance activities
• Review existing architecture and propose improvements to mature IT resilience
• Evaluate and select enterprise-level security platforms
  • IAM
  • PAM
  • SIEM/SOAR
  • CSPM
  • EDR
  • WAF
  • DLP
• Define and follow up PoCs and pilot programs for emerging security technologies
• Work closely with other architects to align all aspects of architecture
  • Enterprise architects
  • Business domain architects
  • Data architects
  • Infrastructure architects
  • Technical architects
  • Quality architects

Organisation & Daily Work

• Work inside the Competence Center Architecture
• Collaborate closely with enterprise architects, business domain architects, data architects, infrastructure architects, technical architects, and quality architects
• The Competence Center Cybersecurity is one of the main stakeholders

Working Conditions

• Mission location: Headquarters, Avenue des Arts 31, 1040 Brussels
• Work regime: 100%
• Number of days: 220
• Assignment type: Time and material (Daily based contract)
• Preferred start date: 01/06/2026
• Preferred end date: 31/05/2027
• The attachment states a start date of December 2026

Technical Skills

• Broad expertise across multiple security domains: cloud security, network and infrastructure security, application and API security, container security, data protection and encryption, security monitoring
• Experience defining secure architectures for hybrid and multi-cloud environments
• Understanding of regulatory frameworks: NIS2, ISO 27001, GDPR
• Familiarity with the utility/energy sector, such as asset management, metering, and field operations
• Experience in IT/OT environments

Tools & Environment

• Azure
• IAM
• PAM
• SIEM
• SOAR
• CSPM
• EDR
• WAF
• DLP
• Sparx Enterprise Architect
• TOGAF
• SABSA
• CISSP
• CISM
• CCSP
• ITIL
• AWS
• Enterprise Architecture frameworks

Soft Skills

• Excellent communication skills to collaborate with diverse stakeholders

Languages

• French (FR)
• Dutch (NL)
• English (EN)

Education & Certifications

• A master's degree in civil engineering, commercial engineering, or any scientific orientation
• Certifications such as TOGAF, SABSA, CISSP, CISM, CCSP, ITIL, AWS/Azure, or Enterprise Architecture frameworks are strong assets