Oil India Limited (OIL) has invited online applications for 23 technical executive posts — Superintending Research Scientist (5), Senior Officer (Mechanical) (14) and Senior Officer (Petroleum) (4) — under Advertisement No. HRAQ/REC-EX-B/2026-03. Candidates with the prescribed engineering, science and research qualifications can apply online, and the last date to submit the application is 14 November 2026 (till 11:00 AM).
Oil India Limited (OIL) | Oil India Executive Recruitment 2026 – WWW.TECHJOBRESULT.COM
Short Information & Overview
| Organization | Oil India Limited (OIL) — a Maharatna Public Sector Undertaking under the Ministry of Petroleum and Natural Gas, Government of India |
| Total Post | 23 Technical Posts |
| Post Name | Superintending Research Scientist, Senior Officer (Mechanical), Senior Officer (Petroleum) |
| Advertisement Number | Advt. No. HRAQ/REC-EX-B/2026-03, dated 15 October 2026 |
| Education Qualification | Ph.D. in Chemistry / Geology / Chemical Engineering / Petroleum Engineering with a 2-year Master’s degree (Research Scientist); Bachelor’s Degree in Mechanical Engineering, 4 years, minimum 65% marks (Senior Officer – Mechanical); Master’s Degree in Petroleum Engineering / Technology, 2 years, minimum 60% marks + Engineering at graduation level (Senior Officer – Petroleum) |
| Age Limit | Upper age (as on 14 November 2026): Research Scientist — UR 37 / OBC-NCL 40 / SC 42 years; Senior Officer (Mechanical) — UR/EWS 27 / OBC-NCL 30 / SC/ST 32 years; Senior Officer (Petroleum) — UR 29 / OBC-NCL 32 years |
| Salary Pay Level | Grade C: Rs 80,000 – 2,20,000; Grade B: Rs 60,000 – 1,80,000 (IDA pay scales; approximate gross emoluments at the minimum of the scale: Grade C Rs 1,50,000, Grade B Rs 1,20,000 per month) |
| Start Date for Online Form | 15 October 2026 (04:00 PM) |
| End Date for Online Form | 14 November 2026 (till 11:00 AM) |
| Official Website | www.oil-india.com |
| Application Mode | Online only — through www.oil-india.com |
Note: This article covers the 23 technical posts of the advertisement — Superintending Research Scientist (5), Senior Officer (Mechanical) (14) and Senior Officer (Petroleum) (4). The same advertisement also carries 9 non-technical posts (Senior Accounts Officer / Senior Internal Auditor 6, Hindi Officer 2 and Confidential Secretary 1), which are not covered here. The total advertised vacancies are 32. Most vacancies are projected for Oil India’s Field Headquarters at Duliajan, Assam, although selected candidates may be posted at other company locations. Provisionally selected candidates will undergo a one-year probationary period. All eligibility calculations relating to age, qualifications and experience are made with reference to 14 November 2026.
Application Fee & Important Dates
| Important Dates | Application Fee |
| Notification Date: 15 October 2026 Online Application Start: 15 October 2026 (04:00 PM) Last Date to Apply Online: 14 November 2026 (till 11:00 AM) Eligibility Cut-off Date: 14 November 2026 Computer Based Test (tentative): 28 December 2026 | General / OBC-NCL: Rs 500 + applicable taxes SC / ST / PwBD / EWS / Ex-Servicemen: No Fee Payment Mode: Online only, through the SBI e-Pay Lite payment gateway. The application fee is non-refundable. |
Post Name & Education Qualification
| Post Name | Qualification & Experience |
| Superintending Research Scientist [CH-01] — Grade C | Ph.D. in Chemistry, Geology, Chemical Engineering or Petroleum Engineering, along with the corresponding minimum two-year Master’s degree carrying at least 60% marks + at least 4 years of relevant post-qualification experience in scientific research, engineering, technology development, applied engineering or related domains (petroleum engineering, drilling and production systems, reservoir engineering, process engineering, corrosion, materials science, energy technologies, hydrogen, energy storage, carbon capture and related industrial research). |
| Senior Officer (Mechanical) [ME-02] — Grade B | Bachelor’s Degree in Mechanical Engineering of a minimum 4 years duration with minimum 65% marks. The advertisement specifically excludes certain differently named disciplines, including Automation, Automobile, Industrial, Power, Manufacturing, Production, Mechatronics, Mining, Marine and Robotics Engineering. Candidates must possess the prescribed Mechanical Engineering qualification and should not assume that a related degree is accepted. |
| Senior Officer (Petroleum) [PE-03] — Grade B | Master’s Degree in Petroleum Engineering or Petroleum Technology of a minimum 2 years duration with at least 60% marks, along with an engineering qualification at graduation level. |
For experience-based posts, only eligible full-time work experience acquired after completing the prescribed essential qualification is considered. Part-time work, internships, apprenticeships, freelancing and other excluded engagement types do not count.
Total Post
| Post Name | Total Posts |
| Superintending Research Scientist [CH-01] | 05 |
| Senior Officer (Mechanical) [ME-02] | 14 |
| Senior Officer (Petroleum) [PE-03] | 04 |
| Total (Technical Posts) | 23 |
Category Wise Total Post
| Post Name | UR | OBC-NCL | SC | ST | EWS | Total |
| Superintending Research Scientist [CH-01] | 03 | 01 | 01 | – | – | 05 |
| Senior Officer (Mechanical) [ME-02] | 07 | 03 | 02 | 01 | 01 | 14 |
| Senior Officer (Petroleum) [PE-03] | 03 | 01 | – | – | – | 04 |
| Total | 13 | 05 | 03 | 01 | 01 | 23 |
Age Limit
Upper age limit (as on 14 November 2026): Superintending Research Scientist — UR 37 years, OBC-NCL 40 years, SC 42 years; Senior Officer (Mechanical) — UR/EWS 27 years, OBC-NCL 30 years, SC/ST 32 years; Senior Officer (Petroleum) — UR 29 years, OBC-NCL 32 years. Eligible candidates may receive additional age relaxation under Government of India directives and company rules, including provisions for persons with benchmark disabilities and ex-servicemen (5 years for eligible ex-servicemen), with a maximum upper age limit of 54 years after applying all permitted relaxations. For specified Grade B posts, applicants holding a relevant Ph.D. may qualify for three years of additional age relaxation, subject to the official conditions.
Salary Details
Selected candidates will receive remuneration according to the relevant IDA pay scale and company rules: Grade C — Rs 80,000 – 2,20,000; Grade B — Rs 60,000 – 1,80,000. At the minimum of the respective scales, the official advertisement indicates approximate gross monthly emoluments of Rs 1,50,000 for Grade C and Rs 1,20,000 for Grade B. Additional benefits may include industrial dearness allowance, house rent allowance or accommodation benefits, medical facilities, gratuity, provident fund, loans and insurance according to company policies.
Selection Process
Phase I — Computer Based Test (CBT): 100 marks, 90 minutes duration. The minimum qualifying score in the CBT is 50 out of 100 for UR and OBC-NCL / EWS candidates, and 40 out of 100 for SC / ST / PwBD candidates. The tentative CBT date is 28 December 2026.
Phase II — Personal Interview: 15 marks. Candidates are shortlisted for the interview in the ratio of 1:5 based on CBT performance.
Final Merit: Final selection score = (CBT marks × 0.85) + Personal Interview marks out of 15. The CBT contributes 85% and the interview 15% of the final score.
How to Apply
- Visit the official Oil India website www.oil-india.com and find the advertisement titled "Advertisement for Recruitment in Grade A, B & C in Executive Cadre in OIL".
- Download the official recruitment notification and CBT syllabus, and read them carefully.
- Use the online application link displayed against the advertisement. Complete registration using an active email address and mobile number.
- Verify the email address and mobile number using the respective OTPs. Log in using the generated application sequence number and password.
- Select the correct post code and enter personal, educational, category and experience details. Upload the required photograph (recent colour photograph with white background, JPG/JPEG, 100–200 KB, 3.5 cm × 4.5 cm), signature (black ink on white paper, JPG/JPEG, 80–150 KB) and supporting documents.
- Preview the completed application and correct any errors before final submission. Pay the applicable fee through the SBI e-Pay Lite payment gateway.
- Save the submitted application form and payment acknowledgement. Application details cannot be edited after final submission, so verify the selected post code, category, qualifications and documents carefully.
Documents required: Class 10 certificate / marksheet showing date of birth; relevant degree, postgraduate degree, diploma and academic mark sheets; Ph.D. certificate, where required; relevant post-qualification experience certificates and employer-issued role descriptions; supporting appointment letters, payslips, PF statements or other employment records as prescribed; valid category certificate, where applicable; valid EWS or PwBD certificate, where applicable.
More PSU engineering jobs are listed in the Diploma / Engineering Jobs section of TechJobResult.
Important Links
| Apply Online | Click Here |
| Official Notification (Advt. HRAQ/REC-EX-B/2026-03) | Click Here |
| Official Website | Click Here |
| Join WhatsApp Channel | Click Here |
| Join Telegram Channel | Click Here |
FAQs – Oil India Executive Recruitment 2026
Q1. How many technical vacancies are there in Oil India Executive Recruitment 2026?
There are 23 technical posts — Superintending Research Scientist 5, Senior Officer (Mechanical) 14 and Senior Officer (Petroleum) 4. The advertisement carries 32 posts in total, including 9 non-technical posts not covered here.
Q2. What is the last date to apply for Oil India Executive Recruitment 2026?
The last date to submit the online application is 14 November 2026 (till 11:00 AM).
Q3. What is the salary of Oil India Executive posts?
Grade C (Research Scientist): Rs 80,000 – 2,20,000; Grade B (Senior Officers): Rs 60,000 – 1,80,000, with approximate gross emoluments of Rs 1,50,000 (Grade C) and Rs 1,20,000 (Grade B) at the minimum of the scale.
Q4. What is the application fee for Oil India Executive Recruitment 2026?
General / OBC-NCL candidates pay Rs 500 + applicable taxes. SC / ST / PwBD / EWS / Ex-Servicemen candidates pay no fee. The fee is non-refundable.
Q5. What is the age limit for Oil India Executive technical posts?
Upper age as on 14 November 2026: Research Scientist — UR 37, OBC-NCL 40, SC 42 years; Senior Officer (Mechanical) — UR/EWS 27, OBC-NCL 30, SC/ST 32 years; Senior Officer (Petroleum) — UR 29, OBC-NCL 32 years, with further relaxation as per rules.
Q6. What qualification is required for Oil India Senior Officer (Mechanical)?
A Bachelor’s Degree in Mechanical Engineering of minimum 4 years duration with at least 65% marks. Certain differently named disciplines (Automation, Automobile, Industrial, Power, Manufacturing, Production, Mechatronics, Mining, Marine, Robotics) are specifically excluded.
Q7. What is the selection process for Oil India Executive Recruitment 2026?
Phase I — Computer Based Test (100 marks, 90 minutes; tentative date 28 December 2026); Phase II — Personal Interview (15 marks). Final score = (CBT marks × 0.85) + Interview marks.
Q8. How do I apply for Oil India Executive Recruitment 2026?
Apply online only through www.oil-india.com — find the advertisement "Recruitment in Grade A, B & C in Executive Cadre in OIL" and use the online application link before 11:00 AM on 14 November 2026.
Q9. Where will the selected candidates be posted?
Most vacancies are projected for Oil India’s Field Headquarters at Duliajan, Assam, although selected candidates may be posted at other company locations.
Q10. Is there a probation period for Oil India Executive posts?
Yes. Provisionally selected candidates will undergo a one-year probationary period.