OT Security Engineer | Industrial Cybersecurity Pharma Manufacturing

Zydus Group; Gujarat; On-site; INR 1,500,000 - 2,100,000; Full time

Job summary

Zydus Group is seeking an OT Security Engineer to protect industrial control systems across pharma manufacturing facilities. The role focuses on securing PLC/SCADA/DCS/MES environments and implementing risk-based security controls in a plant-based setting.

Ideal candidates have 5–10 years of OT cybersecurity experience, familiarity with ISA/IEC 62443, and the ability to collaborate with Automation, Engineering, Manufacturing, Quality, and IT teams. 6-day work schedule is required.

Qualifications

• 5–10 years experience with at least 3 years in OT/ICS cybersecurity.
• Hands-on with PLC/SCADA/DCS/HMI/MES environments.
• Familiar with ISA/IEC 62443, NIST, and Purdue model.
• Experience securing OT networks and industrial firewalls.

Responsibilities

• Secure and manage OT environments (PLC/SCADA/DCS/MES/HMI).
• Implement OT security controls and network segmentation.
• Monitor OT assets and traffic with industrial cybersecurity platforms.
• Conduct vulnerability assessments and remediation planning.
• Support OT incident response and recovery activities.
• Ensure ISA/IEC 62443, NIST, and GxP compliance.
• Collaborate with Automation, Engineering, Manufacturing, IT teams.

Skills

OT/ICS cybersecurity

Industrial networks

SCADA/PLC/DCS

Network segmentation

ISA/IEC 62443

Vulnerability assessment

Incident response

Education

B.Tech/B.E or M.E/M.Tech (Electronics/Instrumentation/CS/Info Sec)

Tools

Industrial firewalls

VPNs

Threat monitoring tools

Job description

OT Security Engineer | Industrial Cybersecurity | IC…

Location: Ahmedabad & Baroda (Plant-Based Role - The role follows plant operations and a 6-day working schedule.)

Experience: 5-10 Years

Designation: Assistant Manager to Deputy Manager

Education: B.Tech, B.E /M.E, M. Tech -Engineering, Electronics, Instrumentation, Computer Science, or Information Security.

Role Summary:

As part of our growing Digital and Cybersecurity team, we are looking for an experienced OT Security Engineer to secure and strengthen our industrial control systems and manufacturing networks across pharmaceutical manufacturing facilities.

This role is ideal for professionals with experience in OT Security, Industrial Cybersecurity, IC, SCADA, PLC, DCS, MES, and Manufacturing Networks who want to work on critical systems that support large-scale pharmaceutical operations.

Key Responsibilities:

• Secure and manage OT environments including PLC, SCADA, DCS, MES, HMI, Historians, and industrial networks.
• Implement OT security controls, network segmentation, industrial firewalls, secure remote access, and endpoint protection.
• Monitor OT assets and network traffic using industrial cybersecurity platforms and threat monitoring solutions.
• Conduct vulnerability assessments, risk analysis, remediation planning, and system hardening activities.
• Support OT incident response, threat investigations, and recovery activities.
• Ensure compliance with ISA/IEC 62443, NIST guidelines, GxP requirements, and company cybersecurity standards.
• Collaborate with Automation, Engineering, Manufacturing, Quality, and IT teams to strengthen cyber resilience across sites.

Required Skills

• 5-10 years of experience with at least 3 years in OT/ICS Cybersecurity.
• Hands-on experience with PLC, SCADA, DCS, HMI, Historian, and MES environments.
• Strong understanding of Industrial Cybersecurity, OT Networks, and Network Segmentation.
• Knowledge of Modbus, OPC UA, Profinet, EtherNet/IP, Siemens S7, and related industrial protocols.
• Experience with industrial firewalls, VPNs, VLANs, access management, and cybersecurity monitoring tools.
• Familiarity with ISA/IEC 62443, Purdue Model, NIST SP 800-82, vulnerability management, and incident response.

Preferred

• Experience in Pharma, Biotech, Life Sciences, Chemicals, or other regulated manufacturing industries.
• Exposure to DeltaV, Siemens PCS 7, Rockwell Automation, ABB, or similar automation platforms.
• Certifications such as GICSP, CISSP, CEH, ISA/IEC 62443, CCNA Security, or CCNP Security.

Note:

This is a plant-based role requiring close collaboration with manufacturing and engineering teams. The role follows plant operations and a 6-day working schedule.