This is a massive opportunity for engineers across India looking for the latest government jobs (Sarkari Naukri). The Indian Oil Corporation Limited (IOCL), a Maharatna PSU, has announced a major recruitment drive for 381 Junior Engineers and Officers. This is a fantastic chance for dedicated Diploma Engineers to build a rewarding career.
About the Opportunity
Indian Oil Corporation Limited (IOCL), India's flagship national oil company and a Fortune Global 500 entity, is inviting online applications from bright and dedicated Diploma Engineers for the position of Junior Engineer/Officer (Grade E0). This recruitment aims to fill 381 vacancies across multiple engineering disciplines: Chemical, Mechanical, Electrical, and Instrumentation.
This is a permanent, full-time position offering an excellent salary and benefits package. The selection process will be based on a Computer Based Test (CBT) followed by a Group Discussion, Group Task, and Personal Interview. Selected candidates can be posted in any division of IOCL, including Refineries, Marketing, or Pipelines, anywhere in India.
Important Dates
| Activity | Date |
|---|---|
| Start Date of Online Application | 12 September 2025 |
| Last Date of Online Application | 28 September 2025 (until 5:00 PM) |
| Admit Card Download Date | 16 October 2025 |
| Tentative Date of Computer Based Test (CBT) | 31 October 2025 |
Vacancy Details
| Discipline | UR | EWS | OBC(NCL) | SC | ST | Total Vacancies |
|---|---|---|---|---|---|---|
| Chemical | 110 | 27 | 72 | 40 | 20 | 269 |
| Electrical | 20 | 5 | 13 | 8 | 4 | 50 |
| Mechanical | 19 | 4 | 12 | 7 | 3 | 45 |
| Instrumentation | 7 | 2 | 5 | 2 | 1 | 17 |
| Grand Total | 156 | 38 | 102 | 57 | 28 | 381 |
Salary and Emoluments
Selected candidates will be placed in the pay scale of ₹30,000 - ₹1,20,000. The approximate total Cost to Company (CTC) will be around ₹10.6 Lakhs per annum, inclusive of Performance Related Pay (PRP) and other allowances like DA, HRA, and medical facilities.
Who is the Ideal Candidate?
- Education: A 3-year full-time regular Diploma in the relevant engineering discipline is required.
- Marks: A minimum of 65% marks for General/EWS/OBC candidates and 55% marks for SC/ST/PwBD candidates.
- Important Note on Higher Qualifications: Candidates possessing higher professional qualifications like B.E., B.Tech, MBA, MCA, CA, etc., are **NOT ELIGIBLE** to apply for these posts.
- Age Limit (as of 01.07.2025):
- Maximum 26 years for the General/EWS category.
- Age relaxation is applicable for OBC (29 years), SC/ST (31 years), and other reserved categories as per government rules.
Selection Process & Exam Pattern
The selection will be a multi-stage process with the following components and weightage:
- Computer Based Test (CBT): 85% Weightage
- Group Discussion (GD) & Group Task (GT): 5% Weightage
- Personal Interview (PI): 10% Weightage
The Computer Based Test (CBT) will consist of 100 multiple-choice questions with a total duration of 150 minutes. There will be a negative marking of 0.25 marks for every incorrect answer.
| Section | Subject | No. of Questions |
|---|---|---|
| Section A | Domain Knowledge (Respective Engineering Discipline) | 50 |
| Section B | General Aptitude - Quantitative Aptitude | 20 |
| General Aptitude - Logical Reasoning | 15 | |
| General Aptitude - English Language | 15 |
Detailed Syllabus
Click here for Diploma Chemical Syllabus
- Chemical Engineering Fundamentals (Stoichiometry, Thermodynamics, Fluid Mechanics, etc.)
- Petroleum Refining Processes (Crude Oil, Distillation, Cracking, etc.)
- Petrochemical Processes (Basics, Steam Cracking, Polymerization, etc.)
- Process Equipment and Operations (Pumps, Heaters, Reactors, etc.)
- Safety and Environment (Process Safety, JSA, HAZOP, etc.)
Click here for Diploma Mechanical Syllabus
- Basic Mechanical Engineering
- Computer-Aided Machine Drawing
- Material Science and Engineering
- Fluid Mechanics and Hydraulic Machinery
- Manufacturing Engineering
- Thermal Engineering
- Strength of Materials
- Theory of Machines & Mechanisms
- Industrial Engineering & Management
- Design of Machine Elements
Click here for Diploma Electrical Syllabus
- Electric Generation Systems
- Electrical Circuit Theory
- Electrical Machines
- Electronic Devices and Circuits
- Power Electronics
- Electrical and Electronic Measurements
- Digital Electronics
- Electric Power Transmission and Distribution
- Microcontroller, PLC, and Microprocessor
- Control Systems – Analysis and modeling
Click here for Diploma Instrumentation Syllabus
- Electronic Devices and Circuits
- Electrical Circuits and Machines
- Basics of Instrumentation
- Analog and Digital Electronics
- Measurements and Instruments
- Measurement of Process Variables
- Industrial Instrumentation
- Process Control Instrumentation
- Control Engineering
- Programmable Logic Controllers (PLCs)
Application Fee
- General, EWS, OBC Candidates: ₹400/- + GST
- SC, ST, PwBD Candidates: No Fee
Frequently Asked Questions (FAQ)
Q1: Is this a permanent government job?
A1: Yes, this is a permanent, full-time position for Junior Engineer/Officer in Indian Oil Corporation Limited (IOCL), which is a Maharatna Public Sector Undertaking (PSU).
Q2: Can B.E. or B.Tech graduates apply for this IOCL recruitment?
A2: No. The official notification clearly states that candidates with higher professional qualifications like B.E., B.Tech, MBA, MCA, etc., are **NOT ELIGIBLE** to apply for these Diploma-level positions.
Q3: What is the salary of a Junior Engineer in IOCL?
A3: The pay scale is ₹30,000 - ₹1,20,000. The total approximate annual salary (CTC) is around ₹10.6 Lakhs, which includes basic pay, allowances, and Performance Related Pay.
Q4: Is there a negative marking in the online test?
A4: Yes, there will be a negative marking of 0.25 marks for every incorrect answer in the Computer Based Test (CBT).
Q5: Can final year diploma students apply?
A5: Yes. The notification states that applicants should be in a position to produce their final diploma/marksheet by 31st October 2025 to be eligible.
Q6: What is the service bond for this post?
A6: Yes, selected candidates are required to execute a service bond to serve the corporation for a minimum period of three years. The bond amount is ₹2,00,000 for General category candidates and ₹35,000 for reserved category candidates.
Q7: What is the last date to apply online?
A7: The last date to complete the online application and pay the fee is September 28, 2025, up to 5:00 PM.
📄 Official Notification / Apply Link: https://iocl.com/latest-job-opening