Industrial OT Security Specialist – Operational Technology

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Raízen

WebsiteLinkedInAll Job Openings

10,000+ employees

Founded 2011

🌾 Agriculture

⚡ Energy

🤝 B2B

Agriculture • Energy • B2B

Raízen is a leading company in the production of ethanol and sugar, as well as the distribution of fuels and related services under the Shell brand in Brazil, Argentina, and Paraguay. The company focuses on renewable energy solutions, producing ethanol from sugarcane for various applications, including fuel and pharmaceutical uses. Raízen also serves the B2B market and is engaged in logistics and sustainability initiatives, operating convenience stores like OXXO and Shell Select to adapt to changing consumer habits and lead trends in mobility and energy efficiency.

📋 Description

• Act as the technical Cyber Security specialist for OT/ICS environments, supporting high-criticality industrial operations across different companies within the Cosan Group; • Lead initiatives to expand OT security monitoring, including onboarding new plants, industrial networks, critical assets, and operational technologies into the monitoring ecosystem; • Develop and refine detection use cases for industrial environments, using OT monitoring platforms, SIEM, EDR and specialized threat detection solutions; • Perform industrial network architecture analyses, evaluating segmentation, zones and conduits, communication flows, and adherence to security best practices for ICS environments; • Participate in defining and reviewing secure architectures for new industrial projects, operational expansions, and OT digital transformation initiatives; • Support identification, analysis and assessment of cyber threats, vulnerabilities and exposures in industrial environments, proposing prioritized mitigation plans based on risk; • Work with Engineering, Automation, Network and Operations teams to implement security controls for OT environments; • Provide technical support for the cyber incident response process involving industrial systems, contributing root cause analysis, containment and corrective actions; • Conduct technical assessments of maturity, hardening, industrial network segmentation and compliance with market frameworks and standards; • Manage vendors and partners specialized in OT security, ensuring technical quality, governance and continuous evolution of contracted services; • Prepare executive reports and presentations for different organizational levels, communicating risks, metrics, progress and investment needs; • Support the definition of the Group's OT Cyber Security strategy, contributing to the advancement of industrial security maturity.

🎯 Requirements

• Bachelor's degree in Technology, Information Security or related fields; • Hands-on experience in industrial OT environments, including field visits to assess systems and infrastructure, with the ability to propose improvements; • Experience in security for automation networks (ICS/SCADA) and familiarity with industry standards (NIST, ISA/IEC 62443, ISO); • Risk-oriented mindset with the ability to identify actions and set priorities; • Experience in vulnerability remediation and management; • Experience managing contracts and third-party OT vendors; • Experience with EDR management; • Experience with management of TDDs (Threat Detection Devices); • Basic knowledge of IPS and Firewall functionalities; • Knowledge of IT Governance and Risk Management, metrics and maturity assessment models; • Ability to work collaboratively with diverse technical and multidisciplinary teams; • Knowledge to contribute to discussions on optimal architectures; • Up-to-date and interested in industry best practices on the subject; • Analytical mindset and problem-solving skills; • Clear communication and strong adaptability; • Basic knowledge of SIEM.

🏖️ Benefits

• All our vacancies are open to people of any sexual orientation, gender identity, race, ethnicity and age, with or without disabilities.