Indian Oil Corporation Limited (IndianOil) Executive & Diploma Engineer Recruitment 2026
Indian Oil Corporation Limited (IndianOil), a Maharatna Central Public Sector Enterprise and India’s flagship energy company, has released a comprehensive recruitment notification for Executive and Diploma Engineer positions for the year 2026. This presents a golden opportunity for dynamic and enthusiastic Indian nationals with outstanding academic records to join one of India’s diversified energy majors. IndianOil is transforming into a future-ready, technology-driven enterprise, playing a pivotal role in powering millions of lives and advancing India’s energy transition. Interested candidates are encouraged to review the detailed advertisement and apply online for a rewarding career.
| Aspect | Details |
|---|---|
| Organization Name | Indian Oil Corporation Limited (IndianOil) |
| Advertisement No. | IOCL/CO-HR/RECTT/2026/01 |
| Posts Name | Graduate Engineer (Grade A), Officer (Marketing) (Grade A), Officer (Law) (Grade A), Assistant Quality Control Officer (Grade A0), Diploma Engineer (Grade E0) |
| Total Vacancies | Various |
| Job Location | Across India & Overseas |
| Salary / Pay Scale |
Grade A: ₹50,000 – ₹1,60,000 (Approx. CTC: ₹18.4 Lakhs) Grade A0: ₹40,000 – ₹1,40,000 (Approx. CTC: ₹14.8 Lakhs) Grade E0: ₹30,000 – ₹1,20,000 (Approx. CTC: ₹11.1 Lakhs) |
| Application Start Date | 14th August 2026 |
| Application Last Date | 03rd September 2026 (till 1700 hrs) |
| Official Website | www.iocl.com |
| Mode of Application | Online |
IndianOil Vacancy Details 2026
| Post Name | Grade | Description / Disciplines |
|---|---|---|
| Graduate Engineer | A | Chemical, Civil, Computer Science & Information Technology, Electrical, Electronics & Communication, Instrumentation, Mechanical Engineering |
| Officer (Marketing) | A | Marketing Management |
| Officer (Law) | A | Law |
| Assistant Quality Control Officer | A0 | Chemistry (Inorganic, Organic, Analytical, Physical, Applied, Industrial) |
| Diploma Engineer | E0 | Electrical, Mechanical, Safety (Chemical, Petrochemical, Civil, Construction Engineering, etc.) |
IndianOil Eligibility Criteria 2026
Candidates must be Indian nationals with an outstanding academic record. The eligibility criteria regarding prescribed educational qualification, upper age limit, and relevant work experience vary depending on the post. Any qualification acquired through Part-time/Correspondence/Distance/Online Learning mode will not be considered eligible.
IndianOil Educational Qualification 2026
The specific educational qualifications required for each post are as follows:
- Graduate Engineer (Grade ‘A’): Full-time Regular B.Tech./BE/Equivalent degree from AICTE/UGC recognized institutions in the specified disciplines. General/EWS/OBC(NCL) candidates must have >=65% marks, while SC/ST/PwBD candidates require >=55% marks.
- Chemical: Chemical Engineering, Chemical Technology, Petrochem/Petrochemical Engineering/Technology.
- Civil: Civil Engineering, Civil & Environmental, Civil & Infrastructure, Civil (Construction Technology), Civil Engineering & Planning, Civil Engineering Environment & Pollution Control, Civil Engineering with Computer Application, Civil Environmental Engineering, Civil Technology.
- Computer Science and Information Technology: Computer Engineering, Computer Science and Engineering, Information Technology, Computer and Communication Engineering, Computer Engineering (Software Engineering), Computer Science and Applied Mathematics, Computer Science and Design, Computer Science and Engineering (Artificial Intelligence and Machine Learning), Computer Science and Engineering (Artificial Intelligence), Computer Science and Engineering (Cyber Security), Computer Science and Engineering (Data Science), Computer Science and Engineering (Internet of Things and Cyber Security Including Block Chain Technology), Computer Science and Engineering (Networks), Computer Science and Social Sciences, Computer Science and Systems, Computer Science and Technology, Computer Technology, Computer Science and Engineering (Internet of Things), Computer Science and Information Technology, Software Engineering, Artificial Intelligence (AI) and Data Science, Artificial Intelligence and Machine Learning.
- Electrical: Electrical, Electrical and Electronics, Electrical and Electronics (Power System), Electrical and Instrumentation, Electrical and Computer, Electrical and Power, Electrical Engineering (Electronics and Power), Electrical Instrumentation and Control, Electrical Power Engineering, Electrical, Electronics and Power Engineering, Electronics and Electrical Engineering.
- Electronics & Communication: Electronics Engineering, Electronics and Communication, Electronics and Telecommunication, Electronics Communication and Instrumentation.
- Instrumentation: Instrumentation Engineering, Instrumentation and Control, Instrumentation and Electronics, Instrumentation Technology, Instrument Technology.
- Mechanical: Mechanical Engineering, Mechanical Engineering (Industry Integrated), Mechanical Engineering Design, Mechanical and Automation, Mechanical Engineering (Production).
- Officer (Marketing) (Grade ‘A’): 2 years Full-time MBA / Post Graduate Diploma in Business Administration (equivalent to MBA as per AIU) with specialization in Marketing Management from AICTE/UGC recognized institutions. General/EWS/OBC(NCL) candidates must have >=60% marks, while SC/ST/PwBD candidates require >=55% marks.
- Officer (Law) (Grade ‘A’): Graduate Degree in any discipline AND Bachelor’s Degree in Law (LLB) OR 5 years Integrated LLB Degree. Candidates must have secured 60% marks in Graduation and LLB (for General/EWS/OBC NCL) or 55% (for SC/ST/PwBD). The LLB degree must be recognized by the Bar Council of India. Minimum 2 years of cumulative post-qualification professional experience is required in legal functions.
- Assistant Quality Control Officer (Grade ‘A0’): Full-time Regular Master’s Degree (Chemistry) from AICTE/UGC recognized institutions. General/EWS/OBC(NCL) candidates must have >=60% marks, while SC/ST/PwBD candidates require >=55% marks. Minimum 2 years of cumulative post-qualification experience in Testing/R&D/Quality Control in Petroleum/Petrochemical/Polymer/Fertilizer Unit Laboratories OR in an NABL accredited laboratory (Field of “TESTING” with Discipline “CHEMICAL”).
- Diploma Engineer (Grade ‘E0’): Full-time Regular Diploma (3 years) in Engineering from AICTE/UGC/State Board recognized institutions in the specified disciplines. General/EWS/OBC(NCL) candidates must have >=65% marks, while SC/ST/PwBD candidates require >=55% marks.
- Electrical: Electrical, Electrical and Electronics, Electrical Power System, Electrical Engineering (Industrial Control).
- Mechanical: Mechanical.
- Safety: Chemical Engineering, Chemical Technology, Petrochemical Engineering, Petrochemical Technology, Refinery and Petrochemical Engineering, Chemical Engineering (Oil Technology), Chemical Engineering (Petrochemical), Civil (Construction), Civil and Environmental Engineering, Civil Engineering, Civil Engineering (Construction Technology), Civil Technology, Construction Engineering, Electrical. Candidates for Safety posts also require a Diploma in Industrial Safety (not less than 1 year).
IndianOil Age Limit 2026
The maximum permissible age as on 01st July 2026 for General/EWS category candidates is as follows:
- Graduate Engineer (Grade A): 26 years
- Diploma Engineer (Grade E0): 26 years
- Officer (Marketing) (Grade A): 28 years
- Law Officer (Grade A): 30 years
- Assistant Quality Control Officer (Grade A0): 30 years
Age relaxation for candidates applying from other categories will be as per Government of India guidelines:
| Category | Graduate Engineer / Diploma Engineer (Born on/after dates) | Officer (Marketing) (Born on/after dates) | Law Officer / Assistant Quality Control Officer (Born on/after dates) |
|---|---|---|---|
| General, EWS | 01 July 2000 (Non PwBD), 01 July 1990 (PwBD) | 01 July 1998 (Non PwBD), 01 July 1988 (PwBD) | 01 July 1996 (Non PwBD), 01 July 1986 (PwBD) |
| OBC (NCL) | 01 July 1997 (Non PwBD), 01 July 1987 (PwBD) | 01 July 1995 (Non PwBD), 01 July 1985 (PwBD) | 01 July 1993 (Non PwBD), 01 July 1983 (PwBD) |
| SC, ST | 01 July 1995 (Non PwBD), 01 July 1985 (PwBD) | 01 July 1993 (Non PwBD), 01 July 1983 (PwBD) | 01 July 1991 (Non PwBD), 01 July 1981 (PwBD) |
| Ex-Servicemen and Commissioned Officers | As per extant guidelines of Government of India | ||
IndianOil Application Fees 2026
- SC/ST/PwBD Candidates: Exempted from payment of application fee.
- Other Categories (General/EWS/OBC): ₹1000/- (Rupees One Thousand) + GST (as applicable).
- Payment Mode: Online (Credit card/Debit card/Bank Transaction charges, IMPS, Cash Cards/Mobile Wallets, UPI).
IndianOil Selection Process 2026
The selection process for IndianOil Executive and Diploma Engineer positions involves multiple stages to assess candidates comprehensively:
- Computer Based Test (CBT):
- Consists of 100 objective Multiple-Choice Questions.
- Section A: General Aptitude (20 Questions – Quantitative Aptitude, Logical Reasoning, Verbal Ability of English Language) – 60 minutes (80 minutes for eligible candidates with compensatory time).
- Section B: Domain Knowledge (50 Questions) – 90 minutes (120 minutes for eligible candidates with compensatory time).
- Each question carries one mark; 0.25 marks will be deducted for every incorrect answer.
- Minimum Qualifying Marks for CBT:
- General/EWS/OBC(NCL): 40% in each section (A & B) and 45% overall (Section A + Section B).
- SC/ST: 35% in each section (A & B) and 40% overall (Section A + Section B).
- PwBD: 25% in each section (A & B) and 30% overall (Section A + Section B).
- Group Discussion (GD) and Group Task (GT): Shortlisted candidates from CBT will participate in GD/GT.
- Personal Interview (PI): Candidates qualifying GD/GT will proceed to PI.
Merit List Calculation: The final merit list will be prepared based on a composite score:
- Computer Based Test (CBT): 85% weightage
- Group Discussion (GD) and Group Task (GT): 5% weightage (Minimum 40% pass marks)
- Personal Interview (PI): 10% weightage (Minimum 40% pass marks)
Document verification will be conducted prior to GD, GT, and PI for shortlisted candidates.
How to Apply for IndianOil Recruitment 2026
Interested and eligible candidates must apply online through the official IndianOil website. Follow these steps:
- Visit the official IndianOil website: www.iocl.com.
- Navigate to the “Latest Job Opening” section under “IndianOil for Careers”.
- Click on the “APPLY ONLINE” option and then “Click here for New Registration”.
- Register by providing Name, Contact details, and Email-id. A Provisional Registration Number and Password will be generated.
- Log in using the generated credentials and fill in the online application form with correct and complete information.
- Upload scanned images of your recent passport-style colour photograph (4.5cm x 3.5cm, 20-50kb), signature, and left thumb impression. Ensure clear images and adherence to specified dimensions and file sizes. A live photograph capture will also be required.
- Carefully review all entered details before final submission. No changes will be allowed after clicking the “COMPLETE REGISTRATION” button.
- Proceed to the payment tab and pay the application fee (if applicable) online.
- After successful payment, an e-Receipt will be generated. Take a printout of the e-Receipt and the online application form for future reference.
- Candidates are advised to apply well before the closing date to avoid any last-minute technical issues.
IndianOil Important Links 2026
| Link Description | Link |
|---|---|
| Official Notification | Download Notification |
| Apply Online | Click Here |
| Official Website | Click Here |
| Join WhatsApp Channel | Click Here |
| Join Telegram Channel | Click Here |
IndianOil Important Dates 2026
| Activity | Date |
|---|---|
| Start date of Online Application | 14th August 2026 |
| End Date of Online Application | 03rd September 2026 (till 1700 hrs) |
| Issuance of Admit card | 15th September 2026 |
| Conduct of CBT | 24th September 2026 |
Key Takeaways
- IndianOil, a leading energy company, offers diverse career opportunities for Engineers, Marketing professionals, Law Officers, and Quality Control specialists.
- The recruitment process includes a Computer Based Test (CBT), Group Discussion/Task, and Personal Interview, ensuring a merit-based selection.
- Candidates from reserved categories receive age and qualification relaxations as per Government of India norms.
- A mandatory service bond of three years is required, demonstrating commitment to serving the Corporation.
- The online application process is streamlined but requires strict adherence to document upload specifications and timely submission.
Final Thoughts on IndianOil Recruitment 2026
This IndianOil recruitment drive for 2026 offers an exceptional chance for eligible individuals to build a robust career with a Maharatna PSU. With opportunities across various disciplines and a commitment to employee growth, IndianOil promises a dynamic work environment. Aspiring candidates are strongly advised to meticulously review the detailed advertisement, ensure they meet all eligibility criteria, and submit their applications well within the stipulated timelines. Joining IndianOil means contributing to India’s energy security and sustainable development while achieving significant professional growth.
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