Senior OT Network Engineer - Critical Infrastructure (Multisite - Hybrid)
We are currently looking for a Senior OT Network Engineer to join a major player in the Belgian energy sector, working on critical infrastructure environments .
In this role, you will act as a technical lead, responsible for the design, security, and governance of industrial (OT) networks across multiple sites.
Responsibilities
Design secure, resilient, and scalable OT network solutions
Define and enforce network standards, guidelines, and best practices
Review and validate network designs from projects and external vendors
Support infrastructure and digitalisation projects end‑to‑end
Ensure compliance with cybersecurity standards (IEC 62443) and NIS2 regulation
Collaborate closely with cybersecurity teams, network engineers, and external partners
Profile
Strong experience as a Senior Network Engineer / Network Lead
Solid knowledge of:
Firewalls, VLANs, segmentation
Cisco or similar technologies
Experience or interest in industrial / OT environments
Strong understanding of network security principles
Comfortable reviewing designs and guiding technical decisions
What's in it for you
Work on critical national infrastructure
High‑impact role with real technical ownership
Exposure to OT cybersecurity and industrial environments
Long‑term, stable environment with growth opportunities
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