Indian Oil Corporation Limited (IOCL) Junior Engineers/Officers (Grade E0) Recruitment 2025 – Complete Guide
Indian Oil Corporation Limited (IOCL), a Maharatna Company and India’s flagship national oil enterprise, has announced its prestigious Recruitment Drive 2025 for Junior Engineers/Officers (Grade E0). This recruitment offers an exceptional opportunity for diploma engineers to build a rewarding career in one of the country’s leading diversified and integrated energy majors. Below is a comprehensive guide detailing eligibility, vacancies, the selection process, and application procedures to help you secure this coveted position.
About Indian Oil Corporation Limited (IOCL)
IndianOil is a Fortune Global 500 company and a leader across the entire energy value chain—oil, gas, petrochemicals, and emerging energy solutions. The corporation has been instrumental in fueling India’s growth for over six decades, with strategic investments in green hydrogen, electric mobility, biofuels, solar, and wind energy. IOCL is now evolving into a future-ready, innovation-driven energy enterprise, making it a dream employer for dynamic professionals seeking a challenging yet fulfilling career.
Posts and Pay Scale
The recruitment is for junior engineer/officer positions in the following disciplines:
- Chemical Engineering
- Mechanical Engineering
- Electrical Engineering
- Instrumentation Engineering
Pay Scale: ₹30,000 – ₹120,000 per month.
Initial Basic Pay: ₹30,000 per month plus DA and other allowances.
Gross Annual Compensation: Approximately ₹10.6 lakhs per annum, including Performance Related Pay (PRP).
Perks include HRA/subsidized housing, medical facilities, gratuity, provident fund, group personal accident insurance, leave encashment, LTC/LFA, superannuation benefit fund scheme, conveyance reimbursement, and other attractive benefits.
Essential Educational Qualifications
Candidates must have a three-year full-time diploma in the relevant engineering discipline with the following criteria:
- General/EWS/OBC-NCL: Minimum 65% marks.
- SC/ST/PwBD: Minimum 55% marks.
Eligible Disciplines by Domain
- Chemical: Chemical Engineering, Chemical Technology, Petrochemical Engineering, Refinery and Petrochemical Engineering, etc.
- Mechanical: Mechanical Engineering only.
- Electrical: Electrical, Electrical & Electronics, Electrical Power System, Industrial Control.
- Instrumentation: Instrumentation, Instrumentation & Electronics, Instrumentation & Control, Applied Electronics & Instrumentation.
Candidates with qualifications such as BE/B.Tech, MBA, CA, CS, CMA, MCA, or PhD are not eligible for these positions.
Age Limit (as of 01 July 2025)
- General/EWS: Maximum 26 years.
- OBC (NCL): Maximum 29 years.
- SC/ST: Maximum 31 years.
- PwBD & Ex-Servicemen: Relaxations as per Government of India rules.
Proof of age must be supported by a matriculation or higher secondary certificate.
Application Dates
- Start Date of Online Application: 12 September 2025
- Last Date to Apply Online: 28 September 2025 (till 17:00 hrs)
- Admit Card Release Date: 16 October 2025
- CBT Examination Date: 31 October 2025
Candidates are advised to regularly visit www.iocl.com for updates and any changes in the schedule.
Reservation of Vacancies
Reservations are provided to OBC (NCL), SC, ST, EWS, and PwBD candidates as per Government of India guidelines. Candidates must produce valid category certificates issued in the latest prescribed format.
- SC/ST candidates from Maharashtra must have a Caste Validity Certificate.
- OBC-NCL certificates must be issued on or after 01.04.2025.
- EWS certificates must be valid for FY 2025-26 with income and asset verification for FY 2024-25.
- PwBD candidates must have a permanent disability ≥40% with a valid UDID card.
Selection Process
The recruitment process comprises three key stages:
- Computer-Based Test (CBT):
- Total Questions: 100 MCQs.
- Sections: 50 Domain Knowledge, 20 Quantitative Aptitude, 15 Logical Reasoning, 15 Verbal Ability (English).
- Duration: 150 minutes (PwBD candidates receive compensatory time).
- Negative Marking: 0.25 marks for each wrong answer.
- Group Discussion (GD) & Group Task (GT).
- Personal Interview (PI).
Minimum Qualifying Marks in CBT
Category Sectional Minimum Overall Minimum General/EWS/OBC-NCL 40% each section 45% overall SC/ST 35% each section 40% overall PwBD 25% each section 30% overall
Final Merit List Weightage
- CBT: 85%
- GD & GT: 5% (minimum 40% marks required)
- PI: 10% (minimum 40% marks required)
Composite Score:
- General/EWS/OBC-NCL: 45% minimum.
- SC/ST: 40% minimum.
- PwBD: 30% minimum.
Application Process
All applications must be submitted online at https://iocl.com/latest-job-opening. Candidates are advised to:
- Scan and upload their recent photograph (4.5 x 3.5 cm), signature, and left thumb impression as per specifications.
- Use a valid email ID and mobile number active till at least one year after application.
- Submit only one application; the latest will be considered if multiple applications are made.
- Carefully verify all entries before submission, as no changes are allowed post-submission.
Application Fee:
- SC/ST/PwBD: Exempted.
- Others: ₹400 + GST (non-refundable) through Debit/Credit/Net Banking/UPI.
Physical Fitness Requirement
Final selection is subject to meeting the Pre-Employment Medical Examination (PEME) Guidelines. Candidates should ensure they satisfy the prescribed standards for technical functions before applying.
Placement and Service Bond
Selected candidates may be posted anywhere in India or in IOCL’s subsidiaries, JVs, or even overseas offices. Indicative assignments include refineries, marketing, pipelines, and business development divisions.
Service Bond:
- General: ₹2,00,000.
- EWS/OBC (NCL)/SC/ST/PwBD: ₹35,000.
Minimum service period: Three (03) years from date of joining.
Travel Reimbursement
- SC/ST/PwBD candidates attending CBT: 3rd AC rail fare reimbursement.
- Eligible candidates attending GD/GT/PI: 2nd AC rail fare reimbursement (shortest route).
Online bank details are required for reimbursement.
Key Highlights of IOCL Junior Engineer/Officer Recruitment 2025
- Prestigious Maharatna PSU opportunity for diploma engineers.
- Attractive pay scale with excellent perks and career growth.
- Nationwide posting with diverse and challenging job roles.
- Transparent selection process with CBT, GD/GT, and PI.
- Comprehensive reservation benefits and travel reimbursements.
How to Prepare
Focus on domain knowledge (50%) along with quantitative aptitude, logical reasoning, and English language. Familiarize yourself with the CBT syllabus uploaded on IOCL’s official website. Practice mock tests to manage time and improve accuracy.
Frequently Asked Questions For IOCL Junior Engineer Recruitment 2025
What is the educational qualification required?
A three-year full-time Diploma in the relevant discipline with 65% marks (55% for SC/ST/PwBD) is required.
Who can apply for IOCL Junior Engineer Recruitment 2025?
Indian nationals with the required diploma qualifications in Chemical, Mechanical, Electrical, or Instrumentation can apply.
Are B.Tech/BE graduates eligible for this recruitment?
No. Candidates with professional degrees like BE, B.Tech, MBA, CA, CS, CMA, MCA, or PhD are not eligible.
What is the age limit for IOCL Junior Engineers?
The upper age limit is 26 years for General/EWS, with relaxations for OBC-NCL, SC, ST, and PwBD candidates.
What is the selection process for IOCL Junior Engineers?
The process includes a Computer-Based Test (CBT), Group Discussion (GD) & Group Task (GT), and Personal Interview (PI).
When does the online application process start and end?
The application starts on 12 September 2025 and ends on 28 September 2025 (till 17:00 hrs).
What is the exam date for IOCL Junior Engineer Recruitment 2025?
The CBT is scheduled for 31 October 2025. Admit cards will be issued on 16 October 2025.
Is there an application fee?
SC/ST/PwBD candidates are exempted. Others must pay ₹400 + GST online.
Will candidates get travel reimbursement for attending tests?
Yes. SC/ST/PwBD candidates get 3rd AC fare for CBT; 2nd AC fare is reimbursed for GD/GT/PI for eligible candidates.
Important Links
Notification Pdf Click Here
Official Website Click Here
Apply Online Click Here
Conclusion
The IOCL Junior Engineers/Officers Recruitment 2025 presents a once-in-a-lifetime opportunity for young and talented diploma engineers to join India’s largest energy conglomerate. With an excellent pay scale, career stability, and diverse roles, IOCL offers a platform to fuel your career while fueling the nation’s growth.
