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Senior OT Cybersecurity Engineer
oil and Gas Industry (petroleum refinery)
Senior OT Cybersecurity Engineer
First Tek, Inc.'s logo

Senior OT Cybersecurity Engineer

at oil and Gas Industry (petroleum refinery)

Agency job
5 - 10 yrs
₹10L - ₹25L / yr
Bengaluru (Bangalore)
Skills
Operation technogy
ICS
SCADA
Industrial security
Firewall administration
Modbus
DNP3
OPC
IEC 61850
OT environments

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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Shubham Vishwakarma

Full Stack Developer - Averlon
I had an amazing experience. It was a delight getting interviewed via Cutshort. The entire end to end process was amazing. I would like to mention Reshika, she was just amazing wrt guiding me through the process. Thank you team.
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