Senior Consultant

Tribastion Technologies Pvt. Ltd.; Ahmedabad District; On-site; INR 800,000 - 1,200,000; Full time

Job summary

Tribastion Technologies Pvt. Ltd. is looking for an OT Security / SCADA & PLC Engineer to enhance the security of our operational technology infrastructure. The role involves ensuring the security of SCADA systems and PLCs, requiring hands-on experience in automation and cybersecurity.

The ideal candidate will have 4–7 years of experience, with a solid background in industrial automation, compliance standards, and troubleshooting. Join us to help shape the future of manufacturing security.

Qualifications

• 4–7 years of hands-on experience with PLCs, SCADA systems, and HMIs.
• Proven experience in OT/ICS cybersecurity, preferably in a manufacturing plant.
• Familiarity with cybersecurity frameworks and standards (ISA/IEC 62443, NIST).

Responsibilities

• Design, implement, and maintain SCADA and PLC systems for industrial automation.
• Ensure OT security compliance across all systems.
• Troubleshoot and resolve issues related to PLCs, HMIs, RTUs, and communication networks.

Skills

PLCs (Siemens, Allen Bradley, Schneider)

SCADA systems

Industrial communication protocols (Modbus, Profibus, OPC)

OT/ICS cybersecurity

Analytical mindset

Education

Bachelor's Degree or Diploma in Electrical / Electronics / Instrumentation / Automation Engineering

Tools

Industrial network infrastructure (switches, routers, firewalls)

Job description

Job Title: OT Security/SCADA & PLC Engineer

Experience: 5+ Years

Employment Type: Full-Time

Job Summary

We are seeking a skilled and experienced OT Security / SCADA & PLC 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.
• 4–7 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