Oil India Recruitment 2026: Apply Online for Deputy Chief Chemist, Deputy Chief Engineer & Economist Posts

Oil India Limited

Oil India Limited Recruitment 2026: Apply Online for 3 Officer Posts in Assam

Oil India Limited (OIL) has released a new recruitment advertisement for eligible Indian nationals for appointment to senior officer-level positions in Grade D/E/F. The recruitment is being conducted for Deputy Chief Chemist, Deputy Chief Engineer (Reservoir), and Economist posts.

As per the official notification, there are 3 vacancies in total. The projected vacancies are primarily for posting at Field Headquarters, Duliajan, Assam, although selected candidates may be posted at other operational areas or offices of Oil India Limited depending on organisational requirements.

Eligible candidates can submit their applications online through the Oil India Limited recruitment portal. The online application process will remain open from 11 September 2026 at 11:00 AM until 10 October 2026 at 11:00 AM.

Oil India Recruitment 2026 – Overview

Oil India Limited Vacancy Details

Oil India Limited has announced one vacancy for each of the following posts:

The number of vacancies is provisional and may be changed depending on the actual requirement of the company.

1. Deputy Chief Chemist

Post Code: CHEM-01
Vacancy: 1 (OBC-NCL)
Grade: D
Pay Scale: ₹90,000 – ₹2,40,000
Upper Age Limit: 42 years

Educational Qualification

Candidates must possess a Postgraduate Degree in Chemistry of at least 2 years' duration, with a minimum of 60% marks or equivalent CGPA/Grade.

Candidates must also have studied Physics, Chemistry and Mathematics at graduation level.

In addition, applicants must have at least 9 years of post-qualification relevant work experience.

Experience in the Oil & Gas sector will be preferred. Relevant work may include experience as a Chemist involved in drilling/workover operations, Drilling Fluid Specialist, or relevant executive-level functional experience.

2. Deputy Chief Engineer (Reservoir)

Post Code: RES-02
Vacancy: 1 (UR)
Grade: D
Pay Scale: ₹90,000 – ₹2,40,000
Upper Age Limit: 37/39 years

Educational Qualification

Candidates can qualify through either of the following routes:

Option 1:
A Bachelor's Degree in Petroleum Engineering of at least 4 years' duration with a minimum of 65% marks or equivalent CGPA/Grade.

OR

Option 2:
A Master's Degree in Petroleum Engineering or Petroleum Technology of at least 2 years' duration with a minimum of 60% marks, along with a Bachelor's Degree in Engineering in any discipline of at least 4 years' duration.

Candidates must also have at least 9 years of post-qualification relevant work experience.

Experience as a Reservoir Engineer or relevant executive-level functional experience is required. Candidates with experience in the upstream Oil & Gas sector will be preferred.

3. Economist

Post Code: ECO-03
Vacancy: 1 (UR)
Grade: D/E/F

The Economist position is slightly different from the other two posts because eligible candidates may apply for Grade D, Grade E or Grade F, depending on their qualifications and relevant experience.

Educational Qualification

Candidates must possess a Postgraduate Degree in Economics or Business Economics with at least 60% marks or equivalent CGPA/Grade.

Experience Requirement

Relevant experience should include areas such as macroeconomic analysis, sector-specific policy or regulatory analysis, economic analysis and policy formulation, economic modelling using econometric software, project evaluation and data analysis.

Salary and Benefits

Oil India Limited offers an attractive executive pay package along with several company benefits.

For Deputy Chief Chemist and Deputy Chief Engineer (Reservoir), selected candidates will be placed in Grade D, carrying a pay scale of ₹90,000–₹2,40,000, with a starting basic pay of ₹90,000.

For Economist, the applicable grade will depend on the candidate's eligibility and selection. Grade E and Grade F carry a pay scale of ₹1,00,000–₹2,60,000.

The notification states that approximate gross monthly emoluments at the minimum of the scale will be around ₹1.70 lakh for Grade D and around ₹2 lakh for Grade E/F.

Other benefits include:

• Industrial pattern of DA
• HRA or company accommodation
• Free medical benefits for self and dependants
• Gratuity and PF
• House Building Loan
• Vehicle Loan
• Group Insurance

These benefits are subject to applicable company rules.

Age Limit

The age of candidates will be calculated as on 10 October 2026.

The maximum age limits are:

• Deputy Chief Chemist – 42 years
• Deputy Chief Engineer (Reservoir) – 37/39 years
• Economist Grade D – 39 years
• Economist Grade E – 44 years
• Economist Grade F – 49 years

OIL provides applicable age relaxations under Government of India rules. Additional provisions include relaxation for eligible PwBD candidates, Ex-Servicemen, PhD holders and internal OIL candidates. After all applicable relaxations, the maximum upper age limit cannot exceed 54 years.

Selection Process

Candidates who meet the prescribed eligibility conditions and are shortlisted will be required to appear for a Personal Interview (PI).

The selection will be based solely on performance in the Personal Interview, subject to fulfilment of the eligibility requirements and successful document verification.

Provisionally selected candidates must also undergo a Pre-Employment Medical Examination (PEME). Final appointment will be subject to being declared medically fit by the OIL Medical Board.

Job Location

The projected vacancies are primarily for Field Headquarters, Duliajan, Assam.

However, candidates should note that Oil India Limited reserves the right to post selected candidates at any of its operational areas or offices according to organisational requirements. The selected employees may also be transferred as per company requirements.

How to Apply for Oil India Recruitment 2026

Interested and eligible candidates must apply online only through the Oil India Limited website.

The online application window is:

Start Date: 11 September 2026 at 11:00 AM
Last Date: 10 October 2026 at 11:00 AM

Candidates should visit the Advertisement List section of the official Oil India website and select the advertisement titled “Advertisement for Recruitment of Officers in Grade D/E/F in OIL.”
Applicants are advised to keep their email ID and mobile number active throughout the recruitment process because important communication will be sent through email/SMS.

Candidates should also carefully check their application before final submission because the general details section becomes locked after proceeding to the next stage.

Documents Required

Candidates should keep scanned copies of the required documents ready, including:

• Recent passport-size photograph
• Signature
• Educational qualification certificates
• Relevant work-experience certificates
• SC/ST/OBC-NCL/EWS certificate, where applicable
• PwBD certificate, where applicable
• Ex-Servicemen documents, where applicable

Each individual attachment should not exceed 5 MB, while the total size of uploaded attachments should not exceed 200 MB.

Important Dates

The cut-off date for age, qualification, experience, pay-scale equivalency and other applicable matters is 10 October 2026.

Important Links

Official Oil India Advertisement List:
https://www.oil-india.com/advertisement-list

Official Website:
https://www.oil-india.com/

The recruitment notification specifically states that applications must be submitted through the Oil India website under the current openings/Advertisement List section.

Important Notice for Candidates

Candidates should carefully read the complete recruitment advertisement before applying. Oil India Limited has also issued a warning regarding fraudulent job offers and fake appointment letters. The company states that it does not authorize outside individuals or organisations to offer jobs on its behalf.

JobAdAssam.com Conclusion

The Oil India Limited Recruitment 2026 is a senior-level opportunity primarily associated with Duliajan, Assam. With only three vacancies, the recruitment is particularly relevant to experienced professionals in Chemistry, Petroleum Engineering, Reservoir Engineering and Economics who meet the substantial post-qualification experience requirements.

Eligible candidates should complete the online application well before the deadline rather than waiting until the final hours.

Last date to apply: 10 October 2026 at 11:00 AM.

FAQs

1. What is Oil India Recruitment 2026?
Oil India Recruitment 2026 is a recruitment drive by Oil India Limited for Officer-level posts in Grade D/E/F. The advertised positions include Deputy Chief Chemist, Deputy Chief Engineer (Reservoir) and Economist.

2. Which posts are available under Oil India Recruitment 2026?
The notification includes Deputy Chief Chemist, Deputy Chief Engineer (Reservoir), and Economist posts.

3. What is the application starting date for Oil India Recruitment 2026?
Online applications start at 11:00 AM on 11 September 2026.

4. What is the last date to apply for Oil India Recruitment 2026?
The last date for submitting the online application is 10 October 2026 at 11:00 AM.

5. What is the age limit for Oil India Recruitment 2026?
The upper age limit varies according to the post and grade. For example, it is 42 years for Deputy Chief Chemist, while Deputy Chief Engineer (Reservoir) has an upper age limit of 37/39 years, as specified in the advertisement. The Economist post has different limits for Grades D, E and F.

6. What is the salary under Oil India Recruitment 2026?
Deputy Chief Chemist and Deputy Chief Engineer (Reservoir) are placed in Grade D with a pay scale of ₹90,000–₹2,40,000. Economist candidates may be placed in Grade D, E or F, with Grade E/F carrying a pay scale of ₹1,00,000–₹2,60,000.

7. How will candidates be selected?
Eligible and shortlisted candidates will appear for a Personal Interview (PI). Selection is based on performance in the Personal Interview, subject to eligibility, document verification and other conditions. Provisionally selected candidates must also qualify the Pre-Employment Medical Examination.

8. How much work experience is required?
The Deputy Chief Chemist and Deputy Chief Engineer (Reservoir) posts require a minimum of 9 years of relevant post-qualification work experience. For Economist, the requirement is 9 years for Grade D, 13 years for Grade E and 17 years for Grade F.

9. Where can candidates apply for Oil India Recruitment 2026?
Candidates must apply online through the Oil India Limited website under the Careers/Advertisement List section. No other mode of application is accepted.

10. What is the cut-off date for eligibility?
The cut-off date for age, experience, qualification, pay-scale equivalency and other applicable matters is 10 October 2026.

11. Where are the likely postings for selected candidates?
The projected vacancies are primarily for Field Headquarters, Duliajan, Assam, but Oil India Limited may post selected candidates at any of its operational areas or offices according to organizational requirements.

12. Are there any benefits apart from basic salary?
Yes. The advertisement mentions benefits such as HRA or company accommodation, medical benefits for self and dependents, gratuity/PF, house building loan, vehicle loan and group insurance, subject to company rules