IT4OT Network Engineer

As an IT4OT Network Engineer, you will design, manage, and secure—together with our service providers—the network infrastructure that powers our critical manufacturing and control systems. You bring deep expertise in OT networking, understand specialized industrial protocols, and help drive the convergence of IT and OT standards. Your work ensures safety, reliability, and uninterrupted production across our global operations.

What We Ask
We are looking for an enthusiastic colleague who combines solid network expertise with a collaborative, forward-thinking mindset. You will help us build secure and resilient operational networks, ensure compliance with industry standards, and future-proof our infrastructure. Strong communication and leadership skills are essential, as you will guide teams and influence stakeholders across both IT and OT domains.

You bring:

• 5+ years of experience in designing, implementing, and maintaining network infrastructure
• Strong knowledge of network and connectivity design (segmentation, VLANs, security zones)
• Familiarity with solution architecture standards, ITIL processes, and IT delivery models
• Understanding of OT/IT integration, cloud services, and related security implications
• Knowledge of industrial standards (IEC 62443, NIS2) and OT security best practices
• Expertise in industrial networking protocols and interoperability (e.g., STP, RSTP, MRP within Siemens/Cisco environments)
• Experience with monitoring & logging tools (SNMP, NetFlow, Syslog, SIEM)
• Strong skills in change & configuration management, documentation, and audit readiness
• Awareness of ICT dependencies within manufacturing environments
• Excellent analytical and problem-solving abilities

What We Offer
FrieslandCampina has a unique company culture of Dutch heritage and international presence. The work environment is informal and friendly, where you collaborate with passionate professionals. You will have access to training and coaching to support your professional growth, and internal career development opportunities are actively encouraged. With trust and autonomy, you will have the chance to create lasting impact, contributing to better nutrition for the world. As for the employment benefits:

• Full-time workweek of 38 hours, 5% year-end bonus, 10% bonus, and a pension;
• Flexible working hours and ample opportunities to work from home;
• 200 hours of annual leave, the option to buy or sell 40 extra hours, and 8% holiday allowance;
• Free milk & cheese during lunch and delicious barista coffee at our headquarters.
• A company laptop, and mobile phone are provided for seamless communication, whether working remotely or on the go.

Vacancy Description
We are looking for an experienced IT4OT LAN Specialist to implement and secure robust network solutions for our factories.

In this role, you will:

Project Support for Network Changes
Coordinate and support OT LAN-related changes and improvements with managed service providers and vendors. You will act as the subject matter expert for OT networking, ensuring designs align with standards and security requirements.

Security & Continuity
Implement strong security measures, manage disaster recovery and backups, and safeguard data and hardware.

Service Quality & Standards
Ensure IT/OT requirements are met, maintain service quality, and help develop standards and documentation.

Stakeholder & Vendor Coordination
Collaborate with IT, OT, Digital, and external partners to transition from legacy OT LAN environments to a standardized, secure, centrally managed landscape.

Project & Change Management
Lead or support infrastructure projects, plan improvements, manage budgets and risks, and contribute to IT/OT convergence.

Innovation & Lifecycle Management
Research new technologies, recommend improvements, and manage lifecycle strategies for OT network components.

Staying true to who you really are, that is your starting point at FrieslandCampina. Because it is precisely by embracing our differences that we can grow together. We want to create a working environment that allows all employees to bring their best and authentic selves. If who we are suits you, but you're not sure if you're the best fit for the role, we still encourage you to apply so we can help you find the role that fits you best.

Team Details
You will join the IT4OT department, part of Enterprise Technology Services within IT, and report directly to the Director IT4OT. You will collaborate closely with stakeholders across IT, OT, Digital, Technology, and Operations in our end-to-end supply chain.

FrieslandCampina is heavily investing in strengthening the integration of IT and OT. This convergence enables improved operational efficiency, data-driven decision making, enhanced visibility and control, stronger collaboration, robust cybersecurity, and scalability for future advancements. Both the IT4OT and OT functions play essential roles—IT4OT focuses on integrating and governing the broader IT landscape, while OT specializes in operational technology design and implementation.