OT Security Engineer - DSL-01

About the role

As an OT Security Engineer, you will help build and secure the operational technology environment of DSL-01, one of Europe's first large-scale Sustainable Aviation Fuel (SAF) production facilities. Reporting to the IT & OT Manager, you will work closely with OT Engineers, automation specialists, plant operations, and IT security teams to ensure cybersecurity is embedded into the facility from day one. This is not a legacy clean-up role. You will help design the OT security foundations of a greenfield refinery, balancing cybersecurity, operational continuity, and safety in a highly automated industrial environment. You will be responsible for securing critical production systems, designing OT network architectures, managing cybersecurity risks, and supporting incident response activities. Working closely with operational teams, you will help implement practical security controls that protect the plant while supporting safe and reliable operations. Ultimately, your role is to ensure the systems powering DSL-01 remain secure, resilient, and ready to support production from commissioning through to full-scale operations. Your profile As a growing company in a rapidly evolving industry, we are looking for people who feel comfortable in an environment where not everything has been defined yet and who are eager to contribute to building and shaping the organisation. You take ownership, enjoy solving complex problems, and thrive in an environment where you can help build something from the ground up. You recognize yourself in the following: You have a degree or equivalent practical experience in Electrical Engineering, Industrial Automation, Computer Science, Cybersecurity, or a related field. You have at least 4 years of cybersecurity experience, including experience within Operational Technology (OT), Industrial Control Systems (ICS), or industrial environments. You have a solid understanding of industrial control systems such as PLCs, DCS, and SCADA environments. You have experience with OT networking and industrial protocols such as Ethernet/IP, Modbus TCP, and OPC UA. You are familiar with industrial cybersecurity standards such as IEC 62443 and NIST 800-82. You understand how to balance cybersecurity, operational continuity, and safety in industrial environments. You are fluent in English. Dutch language skills are considered a strong advantage.

Requirements

• Certifications such as GICSP, CISSP, or ISA/IEC 62443.
• Experience within manufacturing, chemicals, energy, process industries, or other industrial environments.
• Experience supporting greenfield projects or large-scale industrial facilities.
• You also bring:
• Strong communication skills and the ability to work across technical and non-technical teams.
• A pragmatic, risk-based approach to problem solving.
• The ability to translate complex security concepts into practical solutions for plant operations.
• About DSL-01
• DSL-01 is the first facility in Europe dedicated entirely to SAF and its by-products. Once operational, it will produce 100,000 tonnes of SAF and 35,000 tonnes of sustainable by-products per year, cutting greenhouse gas emissions by around 80% compared to conventional jet fuel.
• Construction started in 2026, with first fuel expected in 2028. The project includes the main facility, pipelines, and temporary work areas. At DSL-01, you will be part of a team building a state-of-the-art industrial plant from the ground up, contributing to a truly sustainable energy future.
• Environmental and social responsibility are at the heart of DSL-01. We follow international frameworks and Dutch regulations to manage impacts on people, nature, and local communities. Safety, sustainability, and collaboration guide everything we do.

Benefits

Additional Information

OT Security Engineer | DSL-01 Be part of one of Europe's first large-scale SAF production facilities. You will contribute to the development of DSL-01 in Delfzijl, a pioneering plant focused on the production of Sustainable Aviation Fuel (SAF) and renewable by-products. You will join an experienced team where your expertise will directly contribute to the safe and successful delivery of this landmark project.

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