Oil India Limited (OIL), a Maharatna Central Public Sector Undertaking, has announced recruitment for ten senior technical and economic posts under Advertisement No. HRAQ/REC-EX-B/2026-01. The vacancies span Deputy Chief Chemist, Geologist, Engineers (Reservoir, S&E, Geophysicist) and Economist positions, with online applications open from 28‑05‑2026 to 28‑06‑2026.
| Detail |
Info |
| Organization |
Oil India Limited (OIL) – Maharatna Central Public Sector Undertaking |
| Advertisement No. |
HRAQ/REC-EX-B/2026-01 dated 28/05/2026 |
| Post Names |
Deputy Chief Chemist, Deputy Chief Geologist, Deputy Chief Engineer (Reservoir), Deputy Chief Geophysicist, Deputy Chief Engineer (S&E), Economist |
| Grade |
Grade D (all posts); Grade E & F additionally for Economist |
| Total Vacancies |
10 (provisional) |
| Pay Scale |
Grade D: Rs. 90,000–2,40,000 | Grade E/F: Rs. 1,00,000–2,60,000 (Approx. Gross: ~Rs. 1,70,000/month in Grade D; ~Rs. 2,00,000/month in Grade E/F) |
| Application Mode |
Online only via OIL website (https://www.oil-india.com/advertisement-list) |
| Selection Mode |
Personal Interview (PI) + Pre‑Employment Medical Examination (PEME) |
| Place of Posting |
Primarily Field Headquarters, Duliajan, Assam (transferable to any OIL operational area/office) |
| Probation Period |
1 year |
| Official Website |
www.oil-india.com |
| Application Opening |
28‑05‑2026 at 14:00 hrs |
| Last Date for Application |
28‑06‑2026 at 23:59 hrs |
Vacancy Details
| SN |
Post Name |
Post Code |
No. of Posts |
Grade |
Pay Scale |
| 1 |
Deputy Chief Chemist |
CHEM-01 |
01 UR |
D |
Rs. 90,000–2,40,000 |
| 2 |
Deputy Chief Geologist |
GEO-02 |
01 UR |
D |
Rs. 90,000–2,40,000 |
| 3 |
Deputy Chief Engineer (Reservoir) |
RES-03 |
01 UR |
D |
Rs. 90,000–2,40,000 |
| 4 |
Deputy Chief Geophysicist |
GEOP-04 |
01 UR |
D |
Rs. 90,000–2,40,000 |
| 5 |
Deputy Chief Engineer (S&E) |
S&E-05 |
05 UR‑03, OBC(NCL)‑01, SC‑01 |
D |
Rs. 90,000–2,40,000 |
| 6 |
Economist |
ECO-06 |
01 UR |
D / E / F |
Grade D: Rs. 90,000–2,40,000 | Grade E/F: Rs. 1,00,000–2,60,000 |
| Total |
10 |
Eligibility Criteria
Age Limit (as on 28‑06‑2026)
| Post Name |
Upper Age Limit |
| Deputy Chief Chemist |
39 years |
| Deputy Chief Geologist |
39 years |
| Deputy Chief Engineer (Reservoir) |
37/39 years |
| Deputy Chief Geophysicist |
39 years |
| Deputy Chief Engineer (S&E) |
UR: 37/39 | OBC(NCL): 40/42 | SC: 42/44 years |
| Economist – Grade D |
39 years |
| Economist – Grade E |
44 years |
| Economist – Grade F |
49 years |
Educational Qualification & Experience
| Post (Code) |
Essential Educational Qualification |
Minimum Post‑Qualification Experience |
Experience Preference |
| Deputy Chief Chemist (CHEM-01) |
PG Degree in Chemistry (min. 2 years) with ≥ 60 % marks; must have studied Physics, Chemistry & Mathematics at graduation |
09 years as Chemist (Drilling/Workover) or Drilling Fluid Specialist in Executive cadre |
Oil & Gas sector experience |
| Deputy Chief Geologist (GEO-02) |
PG Degree in Geology/Applied Geology (min. 2 years) with ≥ 60 % marks; must have studied Mathematics at graduation |
09 years as Geologist in Executive cadre |
Upstream Oil & Gas sector experience |
| Deputy Chief Engineer (Reservoir) (RES-03) |
B.E./B.Tech in Petroleum Engineering (min. 4 years) with ≥ 65 % marks **or** Master’s in Petroleum Engineering/Technology (min. 2 years) with ≥ 60 % marks plus B.E./B.Tech in any engineering (min. 4 years) |
09 years as Reservoir Engineer in Executive cadre |
Upstream Oil & Gas sector experience |
| Deputy Chief Geophysicist (GEOP-04) |
PG Degree in Geophysics/Applied Geophysics/Exploration Geophysics (min. 2 years) with ≥ 60 % marks (PG in Computational Seismology excluded) |
09 years as Geophysicist in Executive cadre |
Oil & Gas sector experience |
| Deputy Chief Engineer (S&E) (S&E-05) |
B.E./B.Tech in Fire & Safety Engineering (min. 4 years) with ≥ 65 % marks **or** Master’s/Diploma in Industrial Safety or HSE (min. 2 years) with ≥ 60 % marks plus B.E./B.Tech in any engineering (min. 4 years) |
09 years handling HSE matters as Officer in Executive cadre |
Oil & Gas sector experience |
| Economist – Grade D (ECO-06) |
PG Degree in Economics or Business Economics with ≥ 60 % marks |
09 years as Economist in Executive cadre (macro‑economic analysis, policy research, etc.) |
Energy/E&P/PSU sector experience |
| Economist – Grade E (ECO-06) |
Same as Grade D |
13 years (same functional criteria) |
Energy/E&P/PSU sector experience |
| Economist – Grade F (ECO-06) |
Same as Grade D |
17 years (same functional criteria) |
Energy/E&P/PSU sector experience |
All candidates must be Indian nationals. Only full‑time post‑qualification experience in the Executive cadre is considered; academic, research, consultancy, internship, JRF/SRF, PhD scholar, project‑based or part‑time experience is excluded.
Pay Scale & Salary
- Grade D: Rs. 90,000–2,40,000 per month (approx. gross Rs. 1,70,000/month).
- Grade E/F (Economist): Rs. 1,00,000–2,60,000 per month (approx. gross Rs. 2,00,000/month).
Application Fee
The official notification does not specify any application fee. Candidates are advised to verify the fee details, if any, on the official website during the online application process.
Important Dates
| Event |
Date / Time |
| Opening of Online Application Portal |
28‑05‑2026 at 14:00 hrs |
| Last Date for Online Application Submission |
28‑06‑2026 at 23:59 hrs |
| Cut‑off Date for Age, Experience and Qualification |
28‑06‑2026 |
| Personal Interview Date |
To be intimated to shortlisted candidates via email only |
Selection Process
- Personal Interview (PI)
- Pre‑Employment Medical Examination (PEME)
How to Apply
- Visit the official Oil India Limited recruitment portal: https://www.oil-india.com/advertisement-list.
- Read the full notification (Advertisement No. HRAQ/REC-EX-B/2026-01) and ensure you meet the eligibility criteria.
- Click on the “Apply Online” link for the desired post.
- Register using a valid email address and mobile number to create a login ID and password.
- Fill in all required personal, educational and professional details accurately.
- Upload scanned copies of the following documents in the prescribed format and size:
- Recent passport‑size photograph
- Signature
- Educational certificates (original and mark sheets)
- Experience certificates (if applicable)
- Category certificate (SC/ST/OBC/EWS/PwBD) – if claiming relaxation
- Review the application thoroughly and submit it before the deadline (28‑06‑2026, 23:59 hrs).
- After successful submission, download and save the acknowledgement receipt for future reference.
Important Links
FAQ’s
- What is the last date to submit the online application?
The online application must be submitted on or before 28‑06‑2026 at 23:59 hrs.
- How many vacancies are there for Deputy Chief Engineer (S&E)?
There are 05 posts: 03 UR, 01 OBC(NCL), 01 SC.
- Is there any age relaxation for OBC candidates?
Yes. OBC (Non‑Creamy Layer) candidates receive a relaxation of 3 years over the upper age limit.
- What is the minimum educational qualification for the Economist post?
A postgraduate degree in Economics or Business Economics with at least 60 % marks (or equivalent CGPA) is required.
- Are PwBD candidates eligible?
Yes. One vacancy is reserved for PwBD candidates, and age relaxations apply as per government norms.
- What documents need to be uploaded during application?
Recent photograph, signature, educational certificates, experience certificates (if applicable), and category certificate (if claiming reservation).
