OT Security Engineer - Offshore Wind

We are looking for an OT Security Engineer who wants to work more in the line of adviser and compliance within the field of OT security. The OT Security Engineer is responsible for overseeing activities to establish a secure OT environment. You will collaborate with cybersecurity teams, system owners, and operational personnel to implement secure system architectures, mitigate cyber threats and vulnerabilities, and conduct routine reviews of OT systems related to security standards and regulations. Additionally, you will maintain security documentation and provide procedural support to set up relevant security controls. Familiarity with modern security technologies such as firewalls, log management (SIEM), IDS, endpoint protection, access control systems, and other related security technologies within the OT environment is required. Ideally, you are also familiar with security frameworks such as IEC62443, ISO 27001, or similar.

Manage quality and continuous improvement of OT security architecture:

• Perform testing and assessment of new cybersecurity technologies and controls
• Recommend security products, services, and procedures to improve OT system architecture designs
• Provide inputs to OT security product roadmaps

Support and sparring partner in developing OT security architecture / Support the OT security system integration:

• Collaborate with architects to shape security controls, systems, remote access, and architecture for the organisation's OT infrastructure according to specified requirements
• Implement IT/OT controls to safeguard the OT environment
• Ensure our IT/OT setup follows our zoning model (based on the Purdue Model) through guidance and control

Support and enable our OT teams to improve and maintain the cybersecurity posture of OT systems:

• Collaborate with cybersecurity and operational teams to implement vulnerability mitigations, patches, or compensating controls on OT systems
• Identify potential risks (operational, safety, business, etc.)
• Ensure OT operations are compliant with our policies and standards through guidance and a set of controls

Respond to OT security incidents:

• Provide inputs to support the fulfilment of incident response processes
• Partner with other stakeholders to shape mitigation strategies for cybersecurity threats

As a key member of our cybersecurity team, you'll bring a robust blend of technical expertise and soft skills to help us safeguard our digital and operational environments. Your role will span a wide range of responsibilities, from verifying controls to overseeing asset inventories and supporting incident response. You'll play a vital role in our cyber incident response efforts, ensuring swift and effective management of threats. Your deep understanding of communication networks and security—combined with your ability to design and maintain segmented, resilient infrastructures—will be essential in protecting both IT and OT environments.

You will lead initiatives in security governance, risk assessment, and vulnerability management. You will evaluate OT products and solutions for security compliance, contribute to the design of secure architectures, and help us maintain a strong cybersecurity posture across our supply chain.

Your knowledge of international standards such as ISO27001 and IEC62443, along with familiarity with regulations like KRITIS 2.0, NIS2, and the Swedish Protective Act, will ensure our practices remain compliant and forward-thinking. Holding certifications such as CISSP, GICSP, IEC62443 Cybersecurity Expert, or Security+, as well as network credentials like CCNA or CCNP, will further demonstrate your commitment to excellence.

Beyond technical skills, we value your ability to communicate clearly, think critically, and solve problems creatively. You’ll thrive in a collaborative environment where teamwork, inclusivity, and transdisciplinary thinking are key. Your sense-making abilities and computational thinking will help you navigate complexity, while your innovative mindset will drive continuous improvement.

Our offer
Good remuneration, a challenging and international work environment, and the possibility to work with some of the best in the field. You will be working in interdisciplinary teams and you can always count on support from committed colleagues. We offer attractive employment conditions and opportunities for personal and professional development.

Vattenfall is a European energy company with approximately 21,000 employees. We are looking for talented individuals who, in addition to their passion for their own role, also have strong team spirit and want to contribute to supporting a meaningful corporate mission.