Job Specifications
For our client in the public transport sector, we are looking for a Security Architect to join a large transformation programme covering IT, OT, Cloud, IAM and SAP security domains.
You will work cross-functionally with enterprise architects, security engineering, IAM, network, cloud, vendors, and project teams to design, validate and improve the security architecture across the organisation.
Responsibilities
Define, document and maintain security architecture principles, patterns, and reference architectures
Support IT & OT teams with secure design of new solutions (on-prem, cloud, hybrid)
Evaluate solution architectures and ensure alignment with NIS2, ISO27001, IEC 62443, Cloud Security best practices
Contribute to and validate security design for SAP, IAM/ICAM, PKI, Network Segmentation, XDR/SIEM, Zero Trust
Collaborate with enterprise architects to integrate security into the target architecture
Provide threat modelling, security risk analysis and mitigation recommendations
Validate third-party designs, integration patterns, and architectural compliance
Produce high-quality documentation and security architecture blueprints
Act as a security SME for infrastructure, cloud, network, OT and application teams
Follow architecture governance and contribute to security roadmaps and standards
Support incident response from an architectural perspective when needed
Required Technical Skills
Solid experience as Security Architect (IT and/or OT)
Strong knowledge of:
Network & Cloud security architecture (AWS/Azure)
IAM / ICAM / IGA / PAM
PKI, Certificates, Cryptography
SIEM/XDR, monitoring, vulnerability mgmt
Zero Trust, segmentation, firewalling
Secure SDLC / DevSecOps
Experience with modelling tools (Archimate, UML, Visio, Sparx EA) is a plus
Knowledge of SAP security is an advantage
Experience with industrial or OT environments (IEC 62443) is a strong plus
Soft Skills
Strong analytical mindset and structured approach
Ability to challenge designs and stakeholders diplomatically
Excellent communication skills (documentation + presentation)
Ability to work in large, complex organisations
Proactive, autonomous, and solution-oriented
Certifications (plus, not mandatory)
CISSP, CCSP, CISM
SABSA, TOGAF
ISO 27001 Lead Implementer or Lead Auditor
Azure/AWS Security Certifications
Languages
English (fluent)
French or Dutch is a plus
Location & Contract
Brussels – Hybrid (2–3 days on-site)
Long-term mission
Freelance
About the Company
SYNCTIV, a Belgian Professional Services firm, specializes in enhancing business and IT strategy through skilled IT Talents. Our core principle is ensuring consultant satisfaction with engaging projects and providing customers with highly skilled IT Talents for a positive impact on IT business. For opportunities or talent needs, email us at hello@synctiv.eu.
Warm regards,
SYNCTIV TEAM
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