INDIAN OIL CORPORATION LIMITED (IOCL)Indian Oil Junior Engineer/Officer (Grade E0) Recruitment 2025Advt. No.: IOCL/CO-HR/RECTT/2025/02 |
1: Important Details
| Notification Date | 12 September 2025 |
| Application Start Date | 12 September 2025 |
| Last Date | 28 September 2025 (till 17:00 hrs) |
| Fee Payment Last Date | 28 September 2025 |
| Conduct of CBT | 31 October 2025 |
| Admit Card | 16 October 2025 |
| Vacancies | To be announced |
2: Application Fee
| The application fee for IOCL Junior Engineer Recruitment 2025 is to be paid online as per the category-wise details given below: | |
| Category | Application Fee |
|---|---|
| General/OBC/EWS | ₹400/- |
| SC/ST/PwBD | No Fee |
3: IOCL Junior Engineer Recruitment 2025: Eligibility Criteria
3(a) Age Limit
| ||
| Category | Born on/after (Non-PwBD) | Born on/after (PwBD) |
|---|---|---|
| General, EWS | 01 Jul 1999 | 01 Jul 1989 |
| OBC (Non-Creamy Layer) | 01 Jul 1996 | 01 Jul 1986 |
| SC, ST | 01 Jul 1994 | 01 Jul 1984 |
| Ex-Servicemen & Commissioned Officers | As per extant Govt. guidelines | |
| (Proof of DOB: Matriculation/Higher Secondary certificate is the only accepted document.) | ||
3(c) Educational Qualification:
Educational Qualification:
- Diploma: 3-year full-time regular Diploma from AICTE/UGC/State Board recognized institutes.
- Minimum Marks: 65% (GEN/EWS/OBC-NCL), 55% (SC/ST/PwBD). Fractions will not be rounded up.
- Eligible Disciplines:
Chemical: Chemical Engg., Chemical Tech., Fertiliser Tech., Petrochemical Engg./Tech., Refinery & Petrochemical Engg.
Mechanical: Mechanical Engg.
Electrical: Electrical Engg., Electrical & Electronics, Electrical Power System, Electrical Engg. (Industrial Control).
Instrumentation: Instrumentation, Instrumentation & Electronics, Instrumentation & Control, Applied Electronics & Instrumentation.
Important Notes:
- Only the above-listed diplomas are valid; interdisciplinary/combined diplomas are not.
- Sandwich and lateral-entry diplomas are accepted (if % criteria met).
- Higher qualifications (BE/B.Tech/MBA/MCA/PhD, etc.) do not grant eligibility if the required diploma is missing.
- Part-time/Distance/Online diplomas are not eligible.
4: Documents Required for IOCL Junior Engineer Recruitment 2025
Keep the following ready before applying (the notification is explicit about image specs and live capture):
Photo: 4.5 × 3.5 cm (200×230 px), 20–50 KB; recent color, light background, no caps/sunglasses, glasses allowed without glare.
Signature: Black ink on white paper, no CAPITAL letters; 140×60 px, 10–20 KB.
Left Thumb Impression: Black/blue ink on white paper; 240×240 px (approx. 3×3 cm), 20–50 KB.
Other Documents: Educational certificates/marksheets, caste/EWS/OBC(NCL)/PwBD certificates, valid ID proof (Aadhaar/PAN/Voter), experience certificate (if any), and payment details. Originals required at document verification.
Important upload notes from notification:
- The portal will capture a live photo via webcam/mobile (you must ensure the captured live photo matches uploaded photo).
- Signature in CAPITAL letters will not be accepted.
- If face/signature/thumb impression is unclear or not uploaded correctly, application may be rejected.
5: How to Apply Online for IOCL Junior Engineer Recruitment 2025?
The application process for IOCL Junior Engineer Recruitment 2025 can be completed online through the official IOCL website by following these steps:
Visit https://iocl.com → Careers → Latest Job Opening (link provided on IOCL site).
Click the notification IOCL/CO-HR/RECTT/2025/02 – Recruitment of Junior Engineers/Officers.
Register with a valid email and mobile (keep active).
Fill personal & academic details, choose test centre preferences (3 choices) — no change later.
Upload scanned photo, signature, left-thumb as per specs and capture live photo when prompted.
Pay application fee online (if applicable — page excerpt did not list fee).
Submit and download/save your system-generated PDF application form for future reference.
Note: Only one application per candidate — the latest submitted will be considered if multiple.
6: IOCL Junior Engineer Recruitment 2025 – Selection Procedure
The selection process for IOCL Junior Engineer Recruitment 2025 will be carried out in multiple stages as per the official notification:
Computer Based Test (CBT) — objective MCQ exam (see pattern below).
Group Discussion (GD) & Group Task (GT).
Personal Interview (PI).
Document Verification and Pre-Employment Medical Examination (PEME) before final joining.
Shortlisting & minimum qualifying in CBT (from your provided text):
General / EWS / OBC-NCL: 40% in each section A & B and minimum 45% overall (A+B).
SC / ST: 35% in each section A & B and minimum 40% overall.
PwBD: 25% in each section A & B and minimum 30% overall.
Normalization: If CBT is held in multiple sessions, scores will be normalized.
7: Exam Patterns & Syllabus for IOCL Junior Engineer Recruitment 2025
7(a) Exam Pattern:
| Section | Subjects |
|---|---|
| A. Domain Knowledge | Discipline-specific (Chemical / Mechanical / Electrical / Instrumentation) |
| B. General Aptitude | Quantitative Aptitude |
| Logical Reasoning | |
| Verbal Ability (English Language) | |
| Total | – |
Key Highlights:
| |
7(b) Syllabus Highlights:The IOCL Junior Engineer Recruitment 2025 syllabus is designed to assess candidates’ diploma-level knowledge in their respective engineering domains — Electrical, Mechanical, Instrumentation, and Chemical. The exam covers both core technical topics and practical applications relevant to refinery and petrochemical operations. | |
| Discipline | Key Topics Covered |
| Electrical Engineering | Basic Circuits, Transformers, DC/AC Machines, Power Systems, Electrical Measurements, Control Systems, Switchgear, Power Generation, Transmission & Distribution, Testing & Maintenance, Power Plant Engineering |
| Instrumentation Engineering | Electronic Devices, Sensors & Transducers, Process Control, Industrial Instrumentation, Analytical & Biomedical Instrumentation, Signal Conditioning, Data Acquisition, PLC, SCADA, Microprocessor Applications, Control Systems |
| Mechanical Engineering | Engineering Mechanics, Strength of Materials, Thermodynamics, Fluid Mechanics, Heat Transfer, Hydraulic Machinery, IC Engines, Refrigeration & Air Conditioning, Manufacturing Processes, Machine Design, CAD Basics, Industrial Engineering, Maintenance |
| Chemical Engineering | Basics of Chemical Engineering, Fluid & Heat Transfer, Mass Transfer, Process Calculations, Thermodynamics, Reaction Engineering, Petroleum Refining, Petrochemical Processes, Plant Design, Process Control, Instrumentation, Environmental & Safety Engineering, Energy Management |
8: IOCL Junior Engineer Recruitment 2025 Salary 2025
8(a) Salary Structure:
The salary structure for IOCL Junior Engineer Recruitment 2025 is as follows: | |
| Component | Details |
|---|---|
| Pay Scale | ₹30,000 – ₹1,20,000/- (Grade E0) |
| Allowances & Benefits | As per IOCL rules – DA, HRA, Medical, Provident Fund, Gratuity, etc. |
9: Some Useful Links
| Apply Online | |
| Download Notification | |
| Join Whats App Channel | Click Here |
| Join Telegram Channel | Click Here |
| Official Website | Official Website |
Q1. What is IOCL Junior Engineer Recruitment 2025?
Ans. IOCL Junior Engineer Recruitment 2025 is a hiring drive by Indian Oil Corporation Limited for Junior Engineer/Officer (Grade E0) posts across multiple disciplines such as Chemical, Mechanical, Electrical, and Instrumentation.
Q2. How many vacancies are announced in IOCL Junior Engineer Recruitment 2025?
Ans. The total vacancies for IOCL Junior Engineer Recruitment 2025 are yet to be announced in the official notification.
Q3. What is the pay scale under IOCL Junior Engineer Recruitment 2025?
Ans. Selected candidates will receive a pay scale of ₹30,000 – ₹1,20,000/- (Grade E0) along with allowances and benefits as per IOCL rules.
Q4. What are the educational qualifications for IOCL Junior Engineer Recruitment 2025?
Ans. Candidates must hold a 3-year full-time regular Diploma in eligible disciplines (Chemical, Mechanical, Electrical, Instrumentation) with minimum marks of 65% (GEN/EWS/OBC-NCL) and 55% (SC/ST/PwBD).
Q5. What is the age limit for IOCL Junior Engineer Recruitment 2025?
Ans. The age limit is expected to be 18 to 26 years, with relaxations for reserved categories as per government rules.
Q6. How can I apply for IOCL Junior Engineer Recruitment 2025?
Ans. Candidates can apply online through the official IOCL website www.iocl.com by registering, filling in details, uploading documents, and paying the application fee (if applicable).
Q7. What is the selection process for IOCL Junior Engineer Recruitment 2025?
Ans. The selection process includes CBT → GD & GT → PI → Document Verification & PEME.
Q8. Is there an application fee for IOCL Junior Engineer Recruitment 2025?
Ans. The expected fee is ₹400/- for General/OBC/EWS candidates, while SC/ST/PwBD/Female candidates are exempted.
Q9. Are higher qualifications like B.Tech/MBA eligible for IOCL Junior Engineer Recruitment 2025?
Ans. No, higher qualifications alone do not make a candidate eligible. A valid 3-year Diploma in the prescribed disciplines is mandatory.
Q10. Where can I download the official IOCL Junior Engineer Recruitment 2025 notification?
Ans. The official notification for IOCL Junior Engineer Recruitment 2025 can be downloaded from the IOCL career portal at www.iocl.com.
