CISCO Network Engineer - Various locations: Brussels, Pelt, Ham, Ypres at Tessenderlo Group

Tessenderlo Group (Euronext: TESB) is an industrial group that focuses on agriculture, valorizing bio-residuals, machinery, mechanical engineering, electronics, energy, and industrial solutions for water management. With headquarters in Belgium, the group is active in over 100 countries and we have a global team of more than 7,000 employees. In 2022, Tessenderlo Group recorded a consolidated revenue of 2.6 billion EUR, or a pro forma revenue (including Picanol Group) of 3.3 billion EUR.

Our group’s conviction, “Every Molecule Counts”, conveys our shared optimism about the potential of our planet and its people. We believe in the power of smart industry to create a positive impact. In everything we do, we seek to further valorize the resources at our disposal. This counts just as much for the end products we make, which we constantly optimize, as it does for the by-products from our processes, which we consistently seek to repurpose as best we can, respecting the planet and its resources.

We Make it Count - as an international company with Belgian roots, Tessenderlo Group promotes personal and local entrepreneurship, creating opportunities for all of our employees to take on challenging roles and real responsibilities. On top of this, our people are encouraged to further develop their competencies through regular training initiatives, and they are rewarded with competitive compensation and benefits packages. For more information about Tessenderlo Group, our people, our brands, and our results, please visit www.tessenderlo.com.

As a Senior Network Engineer at Tessenderlo Group and as a member of the global Network Competence center, you will be responsible for the design, installation, administration, and optimization of our global enterprise network and data center environments. You will ensure our infrastructure operates reliably, securely, and efficiently to meet evolving business needs.

This role combines deep technical expertise with strong operational discipline. You will manage performance, capacity, and change control, while also leading troubleshooting efforts, mentoring junior staff, and contributing to long-term strategic network improvements.

You are expected to stay ahead of industry developments in networking and related technologies, applying best practices to maintain a high-performing, future-ready infrastructure.

Key Responsibilities:

• Network Operations & Administration – Configure, maintain, and support Tessenderlo Group’s enterprise network and data center environments, ensuring optimal uptime and performance.
• Documentation & Knowledge Sharing – Produce and maintain detailed configuration documentation, procedures, and continuity plans. Ensure team members have up-to-date skills and resources.
• Performance & Capacity Management – Monitor system performance, analyze trends, and forecast future needs based on business requirements and risk assessments.
• Incident & Problem Management – Provide 2nd and 3rd line support, lead troubleshooting, and implement measures to prevent recurrence of issues.
• Continuous Improvement – Identify, recommend, and implement enhancements to improve global network performance, security, and scalability.
• Configuration Management – Define and maintain standards for network configuration items, ensuring accurate and current knowledge of infrastructure.
• Project Delivery – Participate in and lead network-related projects such as upgrades, migrations, and technology rollouts.
• Security & Compliance – Assist in identifying and mitigating vulnerabilities, ensuring compliance with company security and operational standards.
• Collaboration & Training – Work closely with the other network team members, the Network Architect, IT leadership, deliver training and mentoring to colleagues as required.
• Travel – Up to a few days per month for global site support and project delivery.

Core Requirements

• Bachelor’s or Master’s degree in IT, or related field, or equivalent professional experience.
• 5+ years’ experience in enterprise network engineering, preferably within a Cisco-based infrastructure.
• Expert knowledge in DNS, WAN, LAN, WLAN, VPN, TLS, SDWAN, and subnetting.
• Proven troubleshooting skills for enterprise and global network architectures.
• Cisco training and/or 5+ years hands-on Cisco experience.

Certifications & Technical Expertise

• Cisco CCNA certification (required).
• Fortinet knowledge/certification (preferred).
• Knowledge of Citrix Netscaler.
• Experience with Cisco DNA, ICA, and ACI.
• Exposure to Microsoft technologies (O365, MS SQL, Teams VoIP, OneDrive, Azure) and virtual environments (VMware) is a plus.

Key Competencies

• Strong analytical and problem-solving skills.
• Excellent communication and collaboration abilities.
• Proactive approach to continuous learning and professional development.
• Ability to work independently while managing multiple priorities.

Commitment to high-quality customer service and operational excellence.

You wish:

• A role with responsibilities and a wide variety of activities;
• Participate in ambitious challenges;
• Invest in activities that make sense, in building a better world, because every molecule counts.

In a caring environment, in an agile & collaborative mode;
This is what Tessenderlo Group can offer you.