Plc Engineer

Otsuka Pharmaceutical; Ahmedabad District; On-site; INR 800,000 - 1,400,000; Full time

Job summary

Otsuka Pharmaceutical India is seeking a skilled PLC/automation engineer to design, modify, and optimize PLC programs for pharmaceutical manufacturing equipment. You will configure HMI/SCADA/DCS interfaces and perform rigorous testing, validation, and documentation to meet GMP standards.

You will collaborate with QA, Validation, and Maintenance teams to support FAT/SAT, IQ/OQ, change control, and industry 4.0 initiatives, ensuring data integrity and reliable operation of critical systems across

Qualifications

• Experience in pharma manufacturing automation and GMP environments.
• Knowledge of GMP requirements and 21 CFR Part 11 (where applicable).
• Ability to prepare IQ/OQ documentation and validation protocols.

Responsibilities

• Develop, modify, and optimize PLC programs for manufacturing equipment.
• Configure and maintain HMI, SCADA, and DCS interfaces.
• Perform logic testing, debugging, and validation of control systems.

Skills

PLC programming

SCADA integration

DCS interfaces

HMI configuration

Documentation accuracy

Tools

PLC software tools

SCADA/DCS platforms

HMI software

Job description

• Develop, modify, and optimize PLC programs for manufacturing equipment.


• Configure and maintain HMI, SCADA, and DCS interfaces.


• Perform logic testing, debugging, and validation of control systems.


• Maintain program backups and version control in compliance with change management procedures.


• Integrate PLC systems with SCADA, DCS, and MES platforms where applicable.


• Conduct IO checks, loop checks, and functional testing.


• Support Factory Acceptance Testing (FAT) and Site Acceptance Testing (SAT).


• Assist in commissioning and start-up of PLC-controlled equipment.


• Support equipment qualification activities (IQ/OQ) in coordination with QA and Validation teams.


• Prepare and maintain technical documentation including:
  
  
  
  • Functional descriptions
  
  
  • IO lists
  
  
  • Control philosophy documents
  
  
  
  


• Assist in preparation of URS, FRS, and validation protocols.


• Ensure compliance with:
  
  
  
  • GMP requirements
  
  
  • 21 CFR Part 11 (where applicable)
  
  
  • Data integrity guidelines
  
  
  
  


• Maintain audit-ready records for system changes and upgrades.


• Provide technical support for automation-related breakdowns.


• Diagnose and rectify PLC hardware and software issues.


• Perform preventive maintenance of automation systems.


• Support root cause analysis for automation-related deviations.


• Implement approved changes to PLC programs following change control procedures.


• Perform impact assessments for automation modifications.


• Update documentation following system updates or enhancements.


• Identify opportunities to improve system efficiency, reliability, and compliance.


• Support implementation of automation upgrades.


• Contribute to Industry 4.0 initiatives such as predictive maintenance and data analytics.


• Work closely with Production, QA, Maintenance, and Engineering teams.


• Provide technical guidance to operators and maintenance personnel.


• Coordinate with vendors during installation and troubleshooting activities.

Core Competency:

• Strong problem-solving and analytical skills


• Understanding of regulatory compliance in pharma manufacturing


• Effective communication and teamwork


• Knowledge of industrial networking and control architectures


• Attention to detail and documentation accuracy