
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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Description
Job Summary:
As a DevOps Engineer at company, you will be working on building and operating infrastructure at scale, designing and implementing a variety of tools to enable product teams to build and deploy their services independently, improving observability across the board, and designing for security, resiliency, availability, and stability. If the prospect of ensuring system reliability at scale and exploring cutting-edge technology to solve problems, excites you, then this is your fit.
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Criteria:
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Description
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We’re looking for a Backend Tech Lead who’s equally obsessed with architecture decisions and clean code, someone who can zoom out to design systems and zoom in to fix that one weird memory leak. You’ll lead a small but sharp team, drive the backend roadmap, and make sure our systems stay fast, lean, and battle-tested.
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Bonus Points If You Have
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Basic understanding of 3D mathematics.
Familiarity with REST/JSON and Git.
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Getting development inputs from Design Manager .
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Design review meeting held with design team.
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Concept modelling creation.
Design review meeting held with Design team.
Complete modelling of prototype machine,Special Tools and Welding Fixtures.
Get project budget amount from Management.
Preparation of BOM in Excel as per our company standards.
Making Sheet metal and machining component design and fabrication, in that Laser Cutting Drawing, Bending drawing, Machining drawing, Welding Drawings, Assembly Drawing, GA Drawing,Product Catalogue and SOP from SOLIDWORKS and AUTOCAD.
Quality plan creation.
Design review meeting held with Production team.
Bought out items, Sheet metal Bending,Laser cutting, Welding, Powder coating and machining process followup.
Inspection of Prototype machine components as per quality plan.
Assembly of prototype machine .
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Product validation at field.
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l Maintaining Design documents securely as soft copy in drive and Hard copy
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3. Assembly Drawings
4. Quality Plan and Standard component specification
5. Components image list
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8. Service manuals
ECN execution for existing product upgradation and solving problems .
Value engineering of existing products.
Machine BOM cost workout.
Leading team members and allocate their works and monitoring.
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Company link: https://www.catalystmi.com/" target="_blank">https://www.catalystmi.com/
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