Senior OT Cybersecurity Engineer at oil and Gas Industry (petroleum refinery) · Bengaluru (Bangalore) · 5 - 10 years · ₹10L - ₹25L / yr · Posted 22 Apr 2026

Senior OT Cybersecurity Engineer
at oil and Gas Industry (petroleum refinery)
Position: Senior OT Cybersecurity Engineer
Location: Bellandur, Bangalore
Type: 6 -12 months Contract
Exp : 5-10 years
Work Hours: Monday to Friday
🔹 Experience
- 5–7 Years Total Experience
- Minimum 2+ years in OT/IACS Cybersecurity
🔹 Work Timings
- 01:30 PM – 10:30 PM IST
🔹 Role Summary
The OT Cybersecurity Engineer plays a key role in securing Operational Technology (OT) and Industrial Control Systems (IACS) environments. This role contributes to secure-by-design architectures, cybersecurity frameworks, and enterprise-level risk management, supporting Chevron’s global cybersecurity strategy.
🔹 Key Responsibilities
- Support OT/IACS cybersecurity initiatives & programs
- Design & review secure OT network architectures and data flows
- Define secure-by-design standards & guardrails
- Work with protocols, ports, applications, and services security
- Apply frameworks like:
- NIST 800-53 / 82
- IEC 62443
- MITRE ATT&CK / D3FEND
- Collaborate across enterprise IT, digital platforms, and OT business units
- Perform risk assessments, vulnerability analysis & mitigation planning
🔹 Required Qualifications
🎓 Education
- Bachelor’s/Master’s in:
- IT / Computer Science / Engineering / STEM (Preferred)
📜 Certifications (Preferred)
- GISCP, GCIP, CISSP
- OT/IACS vendor-specific certifications
- SAFe / Agile certifications (Nice to have)
🔹 Required Experience
- 2+ years in OT/ICS Cybersecurity
- Hands-on exposure to:
- Critical infrastructure (Energy/Oil & Gas preferred)
- OT environments & control systems
🔹 Core Skills (Main 6–7 Skills)
- OT/IACS Cybersecurity
- Secure Network Architecture (OT)
- NIST / IEC Frameworks
- SCADA & IIoT Security
- Vulnerability Assessment (Nessus, Nmap)
- Risk Management & Mitigation
- Threat Analysis (MITRE ATT&CK)
🔹 Preferred Skills
- Experience with:
- SCADA / IIoT / Cloud-integrated OT systems
- Big Data & OT integration
- Security architecture design & implementation
- Vulnerability scanning (Passive & Active)
- Strong understanding of:
- Threats, exploits, attack paths in OT
- Strong communication & stakeholder management
- Leadership & enterprise-level influence
- Root cause analysis & problem-solving

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