Engineer or Senior Engineer OT Security

Company DescriptionRamboll is at the forefront of addressing the green transition and offers a holistic approach to energy that supports the sector on the journey towards more sustainable solutions. With 1,800 experts in 14 countries, covering the full spectrum of technologies and all parts of the value chain from production and transmission to distribution, we plan, design and implement energy solutions all over the world.

We invite you to bring your leadership skills, professional engineering background and passion for sustainable energy into play as you will contribute to the further development of one of India's strongest technical environments within Automation and Communication engineering solutions. We contribute to developing industries within the process and energy industry with an increasing focus on the growing demand for green energy and sustainable solutions.

The area of responsibility for this position is mainly energy transition projects such as PtX plants, offshore energy, recycling plants, solar and power generation. Join us and be part of the future of green projects and bring your SCADA/automation, network and OT Security engineering skills into playTo succeed in this role, you need to have experience with OT security and manage stakeholders in the project execution.

Are you our new project engineer for OT security projects within large multidiscipline projects? Click the apply-button to send your application Inviting bright mindsDo you want to push the boundaries of your profession and develop your excellence in an open, collaborative and empowering culture? We work to create a sustainable future and our inspiring projects and innovative solutions aim to set the standard among our peers.

You will join a global company that has been growing successfully since its founding in 1945. Together, we lead and leave a positive impact on societies, companies and people around the world. You will join the Automation and Communication department at Ramboll Chennai. As a Senior OT Security Engineer, you will work within a high‑performing global engineering environment, collaborating closely with expert teams in Denmark and our global engineering centres.

Our department delivers world‑class engineering and consulting services for global energy sector projects. Focus areas include OT Cybersecurity, Telecom, Networks, Instrumentation, and Automation across all project phases—from concept and feasibility studies to detailed engineering, EPC, follow‑on engineering, and owner’s engineer services.

This position requires strong knowledge of Operational Technology (OT) security, industrial control systems, network security, and implementation of cybersecurity frameworks. You will support global projects, contribute to secure architecture development, and ensure cybersecurity best practices in OT environments. Job DescriptionDesign, implement, and maintain OT cybersecurity controls to protect industrial systems from cyber threats.

Work with Industrial Control Systems (ICS) technologies including:Distributed Control Systems (DCS)SCADA SystemsProgrammable Logic Controllers (PLC)Human Machine Interface (HMI)Conduct risk assessments and vulnerability assessments for operational technology environments.

Implement and configure security solutions such as:FirewallsIntrusion Detection Systems (IDS)Access control mechanismsNetwork segmentation architecturesApply cybersecurity frameworks and standards such as:IEC 62443NIST Cybersecurity FrameworkNERC CIPISO 27001Work with industrial communication protocols including BACnet, Modbus, PROFINET, and PROFIBUS.

Support and secure communication networks including LAN, WAN, Wi-Fi, IoT networks, radio communication systems, and CCTV infrastructure. Manage and support Windows-based environments including Active Directory, DNS, DHCP, RAS, WSUS, and Group Policies. Manage virtualized environments and support troubleshooting using VMware or Microsoft Hypervisor platforms. Implement and support backup and recovery technologies in OT environments.

Deploy host-based security solutions such as antivirus, DLP, host intrusion prevention systems, and application whitelisting. Monitor emerging cybersecurity threats and recommend improvements to OT security architecture. Provide technical guidance on OT cybersecurity policies, procedures, and best practices. Collaborate with internal engineering teams, vendors, and external stakeholders to ensure secure OT system implementation.

Technical SkillsStrong understanding of Industrial Control Systems (ICS) and SCADA architectures. Knowledge of OT protocols and standards including:ModbusDNP3IEC 61850OPCExperience designing and implementing OT security architectures. Experience with network segmentation strategies for OT environments. Familiarity with IEC 62443 cybersecurity standards for industrial communication networks. Knowledge of NIST Cybersecurity Framework and general cybersecurity best practices.

Experience with firewalls, intrusion detection systems, and access control technologies. Experience with virtualization platforms such as VMware or Microsoft Hypervisor. QualificationsEducationBachelor’s degree in Electronics Engineering, Electrical & Instrumentation, Cyber Security Engineering, Computer Science, Information Technology, or related engineering discipline. 7–10 years of experience for Senior Engineer roles.

Experience working with cybersecurity in Operational Technology (OT) or Industrial Control System (ICS) environments. Experience supporting energy, industrial automation, or infrastructure projects is preferred. Soft SkillsStrong analytical and problem-solving abilities. Ability to work in multi-disciplinary global engineering teams. Excellent written and verbal communication skills in English. Ability to collaborate with stakeholders and vendors on cybersecurity

requirements. Danish language skills are an added advantage but not mandatory.