OT Infrastructure Architect

Project overview

Hello,

I am looking for an IT/OT Infrastructure Architect for a long-term mission located in Liège (Belgium)

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BILINGUAL ENGLISH

ELIGIBLE CANDIDATE (French nationality REQUIRED as it is an industrial sector (Security/Defense))

The IT/OT Infrastructure Architect will play a key role in designing and structuring the industrial infrastructure foundation, ensuring seamless integration between IT and OT environments, while adhering to Group architecture and cybersecurity standards.

JOB DESCRIPTION

Key Success Factors

Role & Responsibilities

industrial systems (MES, SCADA, UNS, etc.)

IT platforms (cloud, data, applications)

Network & Infrastructure Design

HLD (High-Level Design)

LLD (Low-Level Design)

IP Plans and network diagrams

Cybersecurity & Compliance

the definition of the security architecture

risk analyses in industrial environments

integration with SOC/monitoring capabilities

Infrastructure & Platforms

On-premise (industrial sites)

Cloud (AWS)

compute, storage, backup (alignment with the ATLAS program)

container platforms (OpenShift)

Program Contribution & Governance

INDUS Infra

MES

UNS

Connected Objects (e-Tag)

AMR

architecture reviews (ASB)

technical governance bodies

Documentation & Standards

Experience

Technical Skills

network architecture (segmentation, security, industrial protocols)

infrastructure design (compute, storage, backup)

hybrid/cloud environments (AWS preferred)

industrial systems (MES, SCADA, IoT)

cybersecurity in industrial contexts

container platforms (OpenShift is a plus)

Soft Skills

Additional Information:

Could this mission be of interest to you? If so, what would be your availability and your salary expectations (or your daily rate)?

Best regards,

• English C2 (fluent/bilingual)
• Start ASAP
• Ability to bridge the gap between IT and OT worlds
• Strong architectural rigor combined with a hands-on approach
• Alignment with Group standards and industrial constraints
• Ability to structure and drive technical decisions across multiple projects
• Define and maintain the target architecture for IT/OT infrastructures
• Ensure integration between:
• Design robust, scalable, and secure architectures across multiple sites
• Define network architecture (LAN/WAN, segmentation, VLAN, traffic flow)
• Support industrial connectivity (Wi-Fi, edge computing, IoT devices)
• Produce key deliverables:
• Ensure compliance with Group cybersecurity standards (MSR, Security by Design)
• Contribute to:
• Design hybrid environments:
• Integrate key infrastructure components:
• Ensure consistency across different environments
• Contribute to several INDUSTRY 4.0 projects:
• Participate in:
• Align with Group Design Authority when necessary
• Define and maintain architecture standards and best practices
• Ensure comprehensive documentation across all layers (L1 to L3)
• Contribute to the industrial IT/OT reference architecture
• 8 to 15+ years of experience in infrastructure/network/architecture roles
• Proven experience in an industrial (OT) environment
• Experience in IT/OT convergence is a major asset
• Solid expertise in:
• Knowledge of:
• Excellent communication and stakeholder management skills
• Ability to work in complex, multi-project environments
• Structured, pragmatic, and delivery-oriented approach
• Start Date: ASAP
• Duration: long-term mission
• Location: Liège (Belgium)

Project details

• Start: ASAP
• Duration: 6 mois
• Location: Liège (Belgique), FR
• Languages: French