OT Security Engineer (Pharma Manufacturing)

Location: Ahmedabad (Plant-Based Role - The position follows plant operating schedules and a 6-day working week. Designation: Assistant Manager to Deputy Manager

Experience: 5-10 Years

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

About the Role

Are you passionate about cybersecurity and industrial technology? Join us as an OT Security Engineer and play a key role in securing our pharmaceutical manufacturing operations. You will work on protecting critical systems such as PLC, SCADA, DCS, MES, and industrial networks, ensuring safe, secure, and uninterrupted plant operations. This is an exciting opportunity to work at the intersection of Cybersecurity, Automation, and Manufacturing while contributing to the digital transformation of a leading pharmaceutical organization.

Key Responsibilities

- Implement and maintain OT security controls, network segmentation, firewalls, and secure remote access solutions.
- Monitor OT environments using leading security and asset visibility platforms.
- Manage OT asset inventory, vulnerability assessments, and cybersecurity risk mitigation.
- Support incident response, threat monitoring, system hardening, and disaster recovery readiness.
- Ensure compliance with OT cybersecurity standards and regulated manufacturing requirements.
- Partner with Automation, Engineering, Quality, and IT teams to strengthen plant cybersecurity.




- Support audits, security reviews, and continuous improvement initiatives across manufacturing sites.

Required Skills

- 5-10 years of experience, including at least 3 years in OT/ICS Cybersecurity.
- Hands-on experience with PLC, DCS, SCADA, HMI, Historian, and MES environments.
- Robust understanding of industrial networking, firewalls, and OT security architecture.
- Knowledge of protocols such as Modbus, OPC UA, Profinet, EtherNet/IP, and Siemens S7.
- Experience with ISA/IEC 62443, Purdue Model, vulnerability management, and incident response.
- Exposure to Pharma, Biotech, or other regulated manufacturing environments.

Preferred Qualifications

- B.Tech, B.E /M.E, M. Tech -Engineering, Electronics, Instrumentation, Computer Science, or Information Security.
- Certifications such as GICSP, CISSP, CEH, ISA/IEC 62443, CCNA/CCNP Security.
- Experience with DeltaV, Siemens PCS 7, Rockwell, ABB, or similar automation platforms.
- Familiarity with SIEM platforms such as Microsoft Sentinel, Splunk, or QRadar.

Note: This is a plant-based role requiring close collaboration with manufacturing and engineering teams. The position follows plant operating schedules and a 6-day working week.

Job Snapshot

Updated Date

25-09-2026

Job ID

JOB11143

Department

INFOTECH

Location

Corporate Office|Corp. Office, Ahmedabad, Gujarat, India

Experience

5 - 10 Years

Employee Type

P-P8-Probationer-HO Executive

📌 OT Security Engineer - Assistant Manager to Deputy Manager - IT (Ahmedabad)
🏢 Zydus Lifesciences
📍 Ahmedabad