Indian Oil Corporation Limited (IOCL), a Maharatna PSU and India’s leading energy major, has announced a significant recruitment drive for its Refineries Division. This is a premier opportunity for skilled diploma holders and graduates to join one of India’s most respected public sector undertakings.
This comprehensive guide provides all essential details, eligibility criteria, and step-by-step application instructions for the Non-Executive Personnel vacancies across nine major refineries.
📌 Overview of IOCL Non-Executive Recruitment 2025
Organization: Indian Oil Corporation Limited (IOCL) – Refineries Division
Post Name: Various Junior Engineering Assistant & Technical Assistant Posts
Advt. No.: Multiple (See PDF for refinery-specific numbers)
Total Vacancies: 300+ (Tentative, category-wise)
Job Location: Guwahati, Barauni, Vadodara, Haldia, Mathura, Panipat, Digboi, Bongaigaon, Paradip
Salary Scale: ₹25,000 – ₹1,05,000/- per month (Pay Level 4)
Application Mode: Online Only
Application Fee: ₹300/- (For GEN, EWS, OBC-NCL); SC/ST/PwBD/ExSM exempted
Last Date to Apply: 09 January 2026
🔗 Official Notification PDF
🔗 Apply Online Here: IOCL Careers Application Portal (Link active from 20 Dec 2025)
🎯 Available Positions & Discipline-wise Vacancies
IOCL invites applications for the following eight non-executive posts. Vacancies are distributed across different refineries with reservations as per Government norms.
| Post Code | Post Name | Key Eligibility | Major Refinery Locations with Vacancies |
|---|---|---|---|
| 201 | Junior Engineering Assistant-IV (Production) | 3-yr Diploma in Chemical Engg. / OR B.Sc (Maths, Physics, Chem) | Guwahati, Barauni, Gujarat, Haldia, Mathura, Panipat, Digboi, Bongaigaon, Paradip |
| 202 | Junior Engineering Assistant-IV (P&U) | Diploma in Mechanical/Electrical Engg + Boiler Competency Certificate | Guwahati, Barauni, Gujarat, Digboi, Bongaigaon |
| 203 | JEA-IV (P&U-O&M) | Diploma in Electrical Engg. | Panipat, Paradip |
| 204 | JEA-IV (Electrical) / JTA-IV (Electrical) | Diploma in Electrical Engg. | Barauni, Gujarat, Digboi, Bongaigaon, Guwahati |
| 205 | JEA-IV (Mechanical) / JTA-IV (Mechanical) | Diploma in Mechanical Engg. | Barauni, Panipat, Digboi, Bongaigaon |
| 206 | JEA-IV (Instrumentation) / JTA-IV (Instrumentation) | Diploma in Instrumentation Engg. | Barauni, Gujarat, Mathura, Panipat, Paradip |
| 207 | Junior Quality Control Analyst | B.Sc. (Maths, Physics, Chemistry or Industrial Chemistry) | Guwahati, Barauni, Gujarat, Haldia, Panipat, Digboi, Bongaigaon |
| 208 | Junior Engineering Assistant-IV (Fire & Safety) | 10+2 + Sub-Officers’ Course (NFSC) + Heavy Vehicle Driving License | Guwahati, Barauni, Gujarat, Haldia, Mathura, Panipat, Digboi, Bongaigaon |
Note: Women candidates are eligible to apply for Post Codes 204 (Electrical), 205 (Mechanical), and 206 (Instrumentation) only, as per existing statutory provisions.
✅ Eligibility Criteria Summary
1. Age Limit (as on 31 December 2025)
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General / EWS: 18 – 26 years
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OBC (NCL): 18 – 29 years
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SC / ST: 18 – 31 years
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PwBD (for identified posts): Up to 10 years relaxation (additional for SC/ST/OBC)
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Ex-Servicemen: Age relaxation as per Govt. guidelines
2. Educational Qualification & Marks
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Diploma / B.Sc. in the relevant discipline from a recognized Indian University/Institute.
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Minimum Marks:
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GEN/EWS/OBC: 50% aggregate marks
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SC/ST/PwBD (against reserved posts): 45% aggregate marks
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Only regular, full-time courses are accepted. Distance/Correspondence modes are not eligible.
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Higher professional qualifications like B.E./B.Tech/MBA/CA are NOT ELIGIBLE and may lead to cancellation of candidature.
3. Physical Standards (For Post Code 208 – Fire & Safety)
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Height: Min. 165 cm (Relaxable for certain categories)
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Chest: 81-86 cm (Min. 5 cm expansion)
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Weight: Min. 50 Kg
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Specific medical and vision standards apply.
📝 Selection Process
The selection will be a two-stage process:
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Computer Based Test (CBT):
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Pattern: 100 Objective Questions | 120 Minutes | No Negative Marking
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Sections: Subject Knowledge (75), Numerical Ability (15), General Awareness (10)
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Language: English & Hindi
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Minimum Qualifying Marks: 40% (GEN/EWS/OBC), 35% (SC/ST/PwBD on reserved posts)
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Skill/Proficiency/Physical Test (SPPT):
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Qualifying in nature.
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Shortlisting ratio: 1:2 (based on CBT scores & vacancies).
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For Fire & Safety posts, physical standards will be verified.
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💳 Application Fee
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GEN / EWS / OBC (NCL): ₹300/-
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SC / ST / PwBD / ExSM: Exempted
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Payment can be made via Debit/Credit Card, Net Banking, UPI, or Mobile Wallets.
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Fee is non-refundable.
🖥️ How to Apply Online for IOCL Recruitment 2025
Follow these steps carefully to submit your application:
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Visit the official IOCL careers portal: www.iocl.com
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Go to ‘What’s New’ > ‘Requirement of Non-Executive Personnel in Refineries Division -2025’.
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Read the detailed advertisement and click “Click here to Apply Online“.
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New Registration: Enter basic details to generate a Provisional Registration Number and Password.
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Complete Application: Log in and fill in personal, educational, and communication details.
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Upload Documents: Scanned copies of Photograph, Signature, Left Thumb Impression, Handwritten Declaration, and all required certificates in prescribed format and size.
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Pay Fee: If applicable, proceed to online payment.
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Submit & Print: Review your form, submit it, and take a printout for future reference.
⚠️ Important: A candidate can apply for ONLY ONE POST at ONE REFINERY UNIT. Multiple applications will lead to rejection.
📅 Important Dates
| Activity | Date |
|---|---|
| Online Application Start Date | 20 December 2025 (10:00 AM) |
| Last Date for Online Application & Fee Payment | 09 January 2026 (11:55 PM) |
| Tentative Date for CBT Call Letter | 7 days before exam |
| Tentative Month for Computer Based Test (CBT) | Last Week of January 2026 |
| CBT Result / SPPT Shortlist | Approximately 2 weeks after CBT |
🔗 Essential Resources & Links
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Main Advertisement & Detailed Notification: Download PDF
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Official Website for Application & Updates: IOCL Careers
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Latest Job Openings Page: Check Here
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Pre-Employment Medical Guidelines: View Guidelines (Check under Latest Job Opening)
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Certificate Formats (Caste, EWS, PwBD, Undertakings): Available on the application portal.
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Candidate Grievance Redressal: https://cgrs.ibps.in | Helpline: 1800222366 or 18001034566
💡 Key Points to Remember
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All communications will be sent via registered email/SMS. Keep your contact details active.
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Document verification will be done post-CBT. Ensure you have original documents ready.
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PwBD candidates (with 40% or more disability) are eligible for identified posts with specified relaxations and scribe facilities.
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Canvassing in any form will be a disqualification.
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Beware of fraudsters. Rely only on the official IOCL website for information.
Disclaimer: This post is a curated guide based on the official Indian Oil Corporation Limited advertisement No. (see PDF for numbers). For absolute accuracy, candidates must refer to the original notification PDF. The information is intended for helpful guidance only.