OT Security Engineer - Pune

Tribastion Technologies Pvt. Ltd.; Pune District; On-site; INR 1,500,000 - 2,100,000; Full time

Job summary

Tribastion Technologies Pvt. Ltd. is seeking an experienced OT Security Engineer to safeguard our industrial automation and OT/ICS environments.

The role focuses on SCADA/PLC system design, secure configuration, and risk-based vulnerability management across multiple plant locations. The ideal candidate will have 7+ years of hands-on OT/ICS experience, proficiency with industrial protocols, and familiarity with ISA/IEC 62443 and NIST frameworks.

Qualifications

• Bachelor's or Diploma in Electrical/Electronics/Instrumentation/Automation Engineering.
• 7+ years hands-on PLC/SCADA/HMI experience in OT/ICS.
• Knowledge of Modbus, Profibus, OPC protocols.
• Experience with OT/ICS security and risk assessments.
• Familiarity with ISA/IEC 62443 and NIST standards.
• Experience with industrial switches/routers/firewalls.

Responsibilities

• Design, implement, and maintain SCADA/PLC systems for industrial automation.
• Ensure OT security compliance and conduct risk assessments and vulnerability scans.
• Collaborate with IT to align OT/IT cybersecurity policies.
• Troubleshoot issues related to PLCs, HMIs, RTUs, and networks.
• Monitor and protect SCADA networks against cyber threats.

Skills

SCADA systems

PLCs

HMIs

Industrial protocols

OT/ICS cybersecurity

Frameworks (62443/NIST)

Industrial networks

Troubleshooting

Education

Electrical/Automation eng. degree

Job description

We are seeking a skilled and experienced OT Security Engineer to join us. The ideal candidate will play a key role in ensuring the security and functionality of our operational technology infrastructure, including SCADA systems, PLCs, and industrial control systems (ICS). This role requires hands-on experience in automation, network security, and a deep understanding of OT environments in a manufacturing setup.

Key Responsibilities:

• Design, implement, and maintain SCADA and PLC systems for industrial automation.
• Ensure OT security compliance across all systems, including conducting risk assessments and vulnerability scans.
• Collaborate with IT teams to align OT/IT cybersecurity policies and best practices.
• Troubleshoot and resolve issues related to PLCs, HMIs, RTUs, and communication networks.
• Monitor and protect SCADA networks and control systems against cyber threats and unauthorized access.
• Maintain documentation of control system architecture, configuration, and network diagrams.
• Implement and manage firewalls, IDS/IPS, and segmentation in OT environments.
• Conduct periodic backups, patch management, and change control of OT systems.
• Support audits and assist in compliance with standards such as ISA/IEC 62443 and NIST.
• Train plant personnel on security protocols and control system awareness.

Required Skills & Qualifications:

• Bachelor's Degree or Diploma in Electrical / Electronics / Instrumentation / Automation Engineering or related field.
• 7+ years of hands-on experience with PLCs (e.g., Siemens, Allen Bradley, Schneider), SCADA systems, and HMIs.
• Strong understanding of industrial communication protocols (Modbus, Profibus, OPC, etc.).
• Proven experience in OT/ICS cybersecurity, preferably in a manufacturing plant.
• Familiarity with cybersecurity frameworks and standards (ISA/IEC 62443, NIST).
• Experience with industrial network infrastructure, including switches, routers, and firewalls.
• Analytical mindset with excellent problem-solving skills.
• Ability to work independently and handle responsibilities across multiple plant locations.

Preferred Certifications (Good to Have):

• Certified Automation Professional (CAP)
• GICSP (Global Industrial Cyber Security Professional)
• ISA/IEC 62443 Certifications
• CEH or equivalent cybersecurity certification