OT Network Specialist (M/F)

Overview

Expleo offers a unique combination of engineering, quality, and strategic consulting services for digital transformation. In a context of unprecedented technological acceleration, we are the trusted partner of innovative companies.

Joining Expleo Switzerland means becoming part of a global group of 17,000 employees across 30 countries while benefiting from:

• Strong technical and human support on every project
• Continuous training and professional development opportunities
• Participation in dedicated industry events
• A dynamic and collaborative team environment

📍 Location: Zurich, Switzerland✈️ Occasional international travel may be required

MissionAs an OT Network Specialist, you will be responsible for the design, implementation, and support of secure industrial network infrastructures within complex operational technology environments.

Key responsibilities include:

• Design and implement OT network architectures and cybersecurity solutions according to project and customer requirements
• Configure and maintain network infrastructure components, including firewalls, VLANs, NAT configurations, and industrial network topologies
• Support project teams throughout the implementation of network and cybersecurity solutions
• Perform network and cybersecurity testing, including FAT activities, and troubleshoot technical issues
• Contribute to the continuous improvement of network standards, documentation, and operational support activities

• Degree in Computer Science, Network Engineering, Information Technology, or a related field
• Minimum 5 years of experience in network engineering within industrial or OT environments
• Strong knowledge of industrial networking, including firewalls, VLANs, ring topologies, and 1:1 NAT configurations
• Experience with network technologies from vendors such as Hirschmann, Siemens, Fortinet, or Phoenix Contact is a plus
• Familiarity with OT control systems and industrial automation environments is highly desirable
• Experience with Siemens PCS7 and/or Allen-Bradley architectures is an advantage
• Knowledge of cybersecurity principles for industrial networks
• Network or cybersecurity certifications are considered a plus
• Fluent English required; German is an advantage