Reshaping the future of energy
Industrial OT Security Specialist – Operational Technology
Location
Brazil
Posted
7 days ago
Salary
0
Seniority
Senior
Job Description
Industrial OT Security Specialist – Operational Technology
Raízen
• 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.
Job 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.
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