Security Engineer/Analyst - Brussels, Ham, Pelt or Ypres

Tessenderlo Group is a diversified industrial group that focuses on agriculture, valorizing bio-residuals, energy and providing industrial solutions with a focus on water. The group employs approximately 4,800 people, is a leader in most of its markets and recorded a consolidated revenue of 1.7 billion EUR in 2020. Tessenderlo Group is listed on Euronext Brussels and is part of Next 150 and BEL Mid indices.

The philosophy that ‘Every Molecule Counts’ defines the unique attitude to sustainability and continuous practical innovation within each department of Tessenderlo Group. As an international company with Belgian roots, Tessenderlo Group also 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 are rewarded with competitive compensation and benefits packages.

Tessenderlo Group’s Global ICT Department is seeking a Security Engineer/Analyst to strengthen the protection of our global computer networks, ICT applications, and infrastructure. This hybrid role is approximately 70% engineering and 30% analysis, combining hands-on implementation with security monitoring, investigation, and advisory work.

You will be part of a highly skilled, collaborative global team, ensuring the highest levels of availability, performance, and security across our enterprise. The role involves deploying and operating security tools, investigating incidents, identifying vulnerabilities, and advising on security best practices.

You report to the Global Network & Security Competence Team Lead.

Key Responsibilities:

• Security Monitoring & Incident Response – Monitor global ICT systems for security issues, investigate incidents, document findings, and recommend remediation actions.

• Engineering & Implementation – Deploy, configure, and operate security tools and solutions according to the corporate security roadmap.
• Vulnerability Management – Identify, assess, and address security risks; implement measures to prevent recurrence.
• Collaboration & Advisory – Work closely with the Security Architect and ICT teams to advance security capabilities, integrate new technologies, and ensure alignment with corporate policies.
• Documentation & Knowledge Sharing – Maintain accurate documentation for configurations, processes, and security procedures; contribute to operational and continuity plans.
• Project Participation – Lead and/or support security-related projects such as upgrades, tool integrations, and process improvements.
• Continuous Improvement – Stay informed on evolving security threats, standards, and technologies to enhance detection, response, and prevention capabilities.
• Cross-Functional Support – Collaborate with internal teams and external vendors during incident handling and system upgrades.
• Travel – Occasional travel (max. a few days/month), mainly within Europe, to support projects and incident response.

Core Requirements

• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field (or equivalent experience).
• 3–5 years of experience in network/system administration with exposure to information security.
• General technical background in ICT infrastructure (firewalls, proxies, email security, antivirus, Active Directory, Azure/M365, Windows/Linux OS, virtualization platforms).
• Entry-level experience in cybersecurity with familiarity in:
  • SIEM, EDR/XDR, IDS/IPS, vulnerability management (CTEM), SASE, and security analytics concepts.
  • PowerShell and/or Python scripting.
  • OT network security fundamentals.
• Basic understanding of risk assessment principles.

Preferred Skills & Knowledge

• Strong analytical ability to consolidate data from multiple sources into clear insights.
• Knowledge of common security frameworks (NIS2, ISO 27001, NIST).
• Experience with Tessenderlo Group’s security platforms is a plus:
  • Darktrace, TrendMicro, Fortinet, ...
• Strong communication skills in Dutch-English or French-English, both written and spoken.
• Team-oriented, proactive, and able to work in a multicultural, global context.

Key Competencies

• Strong problem-solving and investigative mindset.
• Ability to work independently while collaborating effectively across teams.
• High attention to detail and process discipline.
• Commitment to continuous learning and staying ahead of emerging threats.
• Customer-focused with a high level of professionalism.

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.