Cybersecurity Architect – Operational Technology (OT)

USG Professionals Belgium; Brussel; Sur place; EUR 90 000 - 130 000; Plein temps

Résumé du poste

USG Professionals Belgium is seeking an experienced Cybersecurity Architect with a strong OT focus to translate strategy into secure ICT/OT architectures. You will help embed security into operations while protecting critical systems and data.

You will translate programme objectives into secure architectures, strengthen security maturity, and apply standards like NIST, ISO 27001/27002 and IEC 62443 within a complex operational environment. Fluent English and Dutch/Français are preferred.

Qualifications

• 10+ years of ICT experience.
• 5+ years in ICT Architecture.
• 3+ years in Cybersecurity.
• Knowledge of NIST, ISO 27001/27002 and IEC 62443.
• Secure system and software design.

Responsabilités

• Translate cybersecurity objectives into secure ICT/OT architectures.
• Strengthen cybersecurity maturity across the organisation.
• Integrate OT security and smart assets into the security perimeter.
• Apply standards such as NIST, ISO 27001/27002 and IEC 62443.
• Design secure business processes, systems and solutions.
• Develop inventories and architecture diagrams.
• Contribute to enterprise security architecture development.
• Establish secure connections with external entities.
• Contribute to cybersecurity strategy and standards.

Connaissances

ICT Architecture

Cybersecurity

NIST

ISO 27001

IEC 62443

Security architecture

Cloud security

Security design

Communications

English fluency

Description du poste

Are you an experienced Cybersecurity Architect ready to work at the intersection of IT, OT and critical infrastructure? Join a strategic cybersecurity programme where your expertise will directly contribute to strengthening security, resilience and operational maturity.

Your mission

As a Cybersecurity Architect with a strong OT focus, you will translate cybersecurity strategy into practical, secure architectures and solutions. You’ll help embed security requirements into business operations while protecting the confidentiality, integrity and availability of critical systems and data.

What you’ll do

• Translate cybersecurity programme objectives into secure ICT and OT architectures.
• Strengthen cybersecurity maturity across the organisation.
• Further integrate OT security and smart assets into the overall security perimeter.
• Apply security standards and methodologies such as NIST, ISO 27001/27002 and IEC 62443.
• Design secure business processes, systems and technical solutions.
• Develop application inventories, system diagrams and conceptual/functional architectures.
• Contribute to the development and continuous improvement of the enterprise security architecture.
• Help establish secure connections and integrations with external entities.
• Contribute to cybersecurity strategy, standards and architectural decisions.
• Ensure project deliverables are properly integrated into the security team's way of working.
• Support governance, KPIs, roles and responsibilities to maintain strong organisational hygiene.

What we’re looking for

• 10+ years of ICT experience, including:
• 5+ years in ICT Architecture
• 3+ years in Cybersecurity
• Strong knowledge of:
• NIST, ISO 27K, IEC 62443 and security methodologies
• Secure system and software design
• Network and cloud security
• Security architecture
• Cybersecurity improvement methodologiesStrong analytical and problem-solving skills.
• Ability to understand complex business models and technical environments and translate them into security requirements, constraints and solutions.
• Excellent communication skills, with the ability to explain complex security and technical topics to different stakeholders.
• Knowledge of one or more complex operational/business domains is a strong advantage.
• Fluent English plus one of the Belgian national languages (Dutch or French).

Why this project?

A great opportunity to combine enterprise security architecture with hands‑on OT cybersecurity, contribute to a mature cybersecurity programme and work on security challenges within a complex operational environment.

Ready to strengthen the security architecture of tomorrow?