Indian Oil Corporation Limited (IOCL), India’s largest energy PSU and a Maharatna company, has announced its Junior Engineer Recruitment 2025 for Diploma Engineers under Advt. No. IOCL/CO-HR/Rectt/2025/02. The recruitment drive aims to fill multiple positions across various disciplines including Chemical, Electrical, Mechanical, and Instrumentation Engineering. Eligible Indian nationals with a Diploma in the relevant discipline can apply online. The application process is expected to begin from 3rd September and continue till 24th September 2025.