Senior OT Infrastructure Engineer

Senior OT Infrastructure Engineer (Freelance – 12 Months)

Location:
Wallonia region, Belgium

Contract Type:
Freelance (12 months)

Start Date:
ASAP

On-site Requirement:
2 days per week

Overview

We are supporting a large industrial manufacturing organization in the Wallonia region in the search for a Senior OT Infrastructure Engineer.

This role requires a hands-on senior profile (minimum 5+ years of relevant experience) with strong expertise in Operational Technology (OT), VMware virtualization, and Windows environments. The consultant will operate in a complex production environment where IT and OT systems interact closely.

Key Responsibilities

• Support and maintain OT infrastructure within an industrial/manufacturing environment
• Manage and optimize Windows Server environments (configuration, performance, lifecycle management)
• Administer and support VMware virtualized infrastructure (ESXi / vSphere)
• Ensure stability, performance, and security of production-related systems
• Contribute to network segmentation and firewall-related initiatives within OT environments
• Collaborate with automation, engineering, and IT teams
• Participate in troubleshooting, root cause analysis, and continuous improvement initiatives

Required Experience & Skills

• Minimum 5+ years of experience in infrastructure roles within industrial or OT environments
• Strong expertise in:
• Operational Technology (OT) environments
• VMware (ESXi, vSphere)
• Microsoft Windows Server ecosystems
• Good understanding of networking principles, firewalling, and segmentation
• Experience working in complex manufacturing or production environments
• Strong analytical and diagnostic skills
• Structured, proactive, and able to work autonomously
• Comfortable collaborating in cross-functional teams

Language Requirements

• French:
  Fluent (mandatory)
• English:
  Fluent (mandatory, written and spoken)

Please contact;