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Senior OT Cybersecurity Engineer
oil and Gas Industry (petroleum refinery)
Senior OT Cybersecurity Engineer

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

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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