OT Security Engineer
Key Skills
Job Description
OT Security Engineer – Design Security Where It Matters Most 📍 Amersfoort | Hybrid Imagine this: A production plant is running 24/7. Its control systems are connected, its processes automated — and every minute of uptime counts. You’re not just the architect of the network; you’re the reason it stays secure. Your design prevents downtime. Your integration keeps systems protected. Your decisions, quietly made, make all the difference. As an OT Security Engineer at Yokogawa, you’ll build and secure the digital foundation of some of the world’s most essential industries — ensuring that safety, stability, and sustainability go hand in hand. The Role – Security by Design, Delivered with Precision You’ll be part of the OT Security Team within the Operations NL Team — a diverse group of specialists with complementary skillsets and a shared mindset: protect what matters. You’ll design and implement robust OT cyber security architectures that align with real-world operations and critical infrastructure needs. You are the technical lead for security solutions in projects. You bring together routers, firewalls, directory services, antivirus, and backup systems into a cohesive, secure, and fully documented environment. What You’ll Be Doing As an OT Security Engineer, you’ll take the lead in: Designing and delivering secure OT network architectures from scratch. Selecting security solutions for project proposals — balancing compliance, risk, and performance. Implementing and testing security components like Windows Server, Active Directory, WSUS, antivirus, backup systems, Industrial Network Elements, Network Management Solutions (NMS) and Intrusion Detection Solutions (IDS). Configuring and troubleshooting routers, switches, and firewalls. Configuring and maintaining virtualized environments. Creating and maintaining as-built documentation that ensures clarity and continuity. Supporting the full lifecycle of security solutions — from concept to continuous improvement. Collaborating across disciplines to integrate security into every layer of the system. What You’ll Need to Succeed You’re someone who thrives at the intersection of technology and responsibility. You understand the demands of industrial environments and bring a secure-by-design mindset to everything you do. You bring: An MBO-4 or HBO degree in IT or a related field. Solid knowledge of Windows Server, Active Directory, WSUS, Antivirus solutions, Back-up and virtualization. Experience with Networking equipment (switches, routers, firewalls). A structured, hands-on approach to problem solving. Strong communication skills in either Dutch or English. willingness to travel within the Netherlands frequently and from to time to time abroad willingness to be periodically part of the 24/7 team A solution-focused, flexible attitude and customer-centric mindset. What You’ll Get in Return We believe in trust, development, and work that matters — and we make sure our people feel that too. At Yokogawa, you’ll enjoy: 31 days off (25 vacation + 6 ADV) A future-proof pension scheme 8% holiday pay, paid in May A guaranteed 5% annual bonus Travel allowance and home office compensation A laptop and phone you can use privately too An international learning & development program Hybrid working options depending on project phase Collective accident insurance and peace of mind Why Yokogawa? Yokogawa has been pioneering industrial automation for over a century. Today, our focus is clear: enable industries to become safer, smarter, and more sustainable. We’re committed to achieving net-zero emissions, supporting the circular economy, and improving well-being — with a long-term vision for 2050 and beyond. At Yokogawa, you won’t just build systems. You’ll build security into the future. Ready to architect security where it truly counts? Apply now and help us protect the processes that keep the world running
Core Responsibilities
Design, implement, and test secure OT architectures and project security solutions, integrating network equipment, servers, directory services, antivirus, backup, virtualization, and intrusion detection systems. Lead security solution delivery across the full lifecycle, troubleshoot network components, maintain as-built documentation, and collaborate across disciplines to improve security.
Requirements
Requires an MBO-4 or HBO qualification in IT or a related field, solid knowledge of Windows Server, Active Directory, WSUS, antivirus, backup, and virtualization, plus experience with switches, routers, and firewalls. Candidates should have a structured, hands-on problem-solving approach, strong communication skills in Dutch or English, flexibility to travel frequently within the Netherlands and occasionally abroad, and willingness to periodically join the 24/7 team.
Benefits
- 31 Days Off
- Future-Proof Pension Scheme
- 8% Holiday Pay
- Guaranteed 5% Annual Bonus
- Travel Allowance
- Home Office Compensation
- Laptop and Phone for Personal Use
- International Learning and Development Program
- Hybrid Working Options
- Collective Accident Insurance
About Yokogawa
Industry: Automation Machinery Manufacturing
Company size: 10,001+ employees
Yokogawa provides advanced solutions in the areas of measurement, control, and information to customers across a broad range of industries, including energy, chemicals, materials, pharmaceuticals, and food. Yokogawa addresses customer issues regarding the optimization of production, assets, and the supply chain with the effective application of digital technologies, enabling the transition to autonomous operations. Founded in Tokyo in 1915, Yokogawa continues to work toward a sustainable society through its 17,000+ employees in a global network of 126 companies spanning 60 countries.