Oil India Recruitment 2026: Apply Online for 10 Economist, Deputy Chief Engineer & More Posts

Reviewed By: Prem Krishnan
🕒 Last Updated: May 30, 2026
Latest Jobs 📅 28 May, 2026 📍 Duliajan, Assam (transferable)
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Job Overview / Summary
Organization Oil India Limited (OIL)
Post Name Deputy Chief Chemist, Deputy Chief Geologist, Deputy Chief Engineer (Reservoir), Deputy Chief Geophysicist, Deputy Chief Engineer (S&E), Economist
Qualification PG Degree in Chemistry/Geology/Geophysics/Economics or B.E./B.Tech in Petroleum/Fire & Safety Engineering with minimum 60-65% marks
Location Duliajan, Assam (transferable), Assam
Salary Grade D: Rs. 90,000–2,40,000; Grade E/F: Rs. 1,00,000–2,60,000
Last Date to Apply 28 June 2026
Oil India Recruitment 2026: Apply Online for 10 Economist, Deputy Chief Engineer & More Posts Featured Image

Full Notification

Oil India Limited (OIL) Recruitment 2026 – Apply Online for 10 Vacancies

Oil India Limited (OIL), a Maharatna Central Public Sector Undertaking, has officially released the recruitment notification for the year 2026. The advertisement (No. HRAQ/REC-EX-B/2026-01) invites online applications from eligible Indian nationals for the posts of Deputy Chief Chemist, Deputy Chief Geologist, Deputy Chief Engineer (Reservoir), Deputy Chief Geophysicist, Deputy Chief Engineer (S&E), and Economist. A total of 10 vacancies are available across Grade D, E, and F. The online application portal opens on 28 May 2026 and closes on 28 June 2026. Candidates seeking a prestigious Sarkari Job in the oil and gas sector should review the eligibility criteria, age limit, selection process, and other details below before applying.

Organization Overview

Oil India Limited (OIL) is a Maharatna CPSE under the Ministry of Petroleum and Natural Gas, Government of India. Headquartered in Duliajan, Assam, OIL is a premier oil and gas exploration and production company with operations across India and abroad. The organization offers a dynamic work environment, competitive pay scales, and comprehensive benefits to its employees.

Post Details

Oil India Limited is recruiting for 6 executive posts in Grade D, E, and F. The details of posts, vacancy numbers, and pay scales are provided in the table below.

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

Candidates must meet the educational qualification and post-qualification work experience requirements as on 28-06-2026. Only full-time executive cadre experience is considered. The detailed eligibility for each post is given below.

Post (Post Code) Essential Educational Qualification Minimum Post-Qualification Work Experience Experience Preference
Deputy Chief Chemist (CHEM-01) PG Degree in Chemistry (min. 2 years) with min. 60% marks or equivalent CGPA; must have studied Physics, Chemistry and Mathematics at graduation level 09 years as Chemist (Drilling/Workover) or Drilling Fluid Specialist or in-line functional experience in Executive cadre Oil & Gas Sector experience preferred
Deputy Chief Geologist (GEO-02) PG Degree in Geology/Applied Geology (min. 2 years) with min. 60% marks or equivalent CGPA; must have studied Mathematics at graduation level 09 years as Geologist or in-line functional experience in Executive cadre Upstream Oil & Gas Sector experience preferred
Deputy Chief Engineer (Reservoir) (RES-03) B.E./B.Tech in Petroleum Engineering (min. 4 years) with min. 65% marks OR Master's Degree in Petroleum Engineering/Technology (min. 2 years) with min. 60% marks along with B.E./B.Tech in any Engineering discipline (min. 4 years) 09 years as Reservoir Engineer or in-line functional experience in Executive cadre Upstream Oil & Gas Sector experience preferred
Deputy Chief Geophysicist (GEOP-04) PG Degree in Geophysics/Applied Geophysics/Exploration Geophysics (min. 2 years) with min. 60% marks or equivalent CGPA (PG in Computational Seismology etc. excluded) 09 years as Geophysicist or in-line functional experience in Executive cadre Oil & Gas Sector experience preferred
Deputy Chief Engineer (S&E) (S&E-05) B.E./B.Tech in Fire & Safety Engineering/Fire Engineering (min. 4 years) with min. 65% marks OR Master's Degree/Diploma in Industrial Safety or HSE (min. 2 years) with min. 60% marks along with B.E./B.Tech in any Engineering discipline (min. 4 years) 09 years in handling Health, Safety and Environment (HSE) matters as an Officer or in-line functional experience in Executive cadre Oil & Gas Sector experience preferred
Economist (ECO-06) – Grade D PG Degree in Economics or Business Economics with min. 60% marks or equivalent CGPA 09 years as Economist or in-line functional experience in Executive cadre (exposure in macroeconomic analysis, policy research, econometric modelling, project evaluation, data analysis) Energy/E&P/PSU sector experience preferred
Economist (ECO-06) – Grade E Same as above 13 years (same functional criteria)
Economist (ECO-06) – Grade F Same as above 17 years (same functional criteria)

Additional condition for candidates in regular Government/PSU employment: Must have minimum 2 years' experience in the next lower pay scale or equivalent (as per Table-III in the notification - IDA/CDA/PSB pay equivalence chart). Candidates from private sector companies must belong to organizations with a minimum annual turnover of Rs. 500 Crores.

Age Limit

The upper age limit as on 28-06-2026 for each post is given below. Age relaxation is applicable as per government norms.

Post Name Upper Age Limit (as on 28-06-2026)
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 | Grade E: 44 | Grade F: 49 years

The upper age limit is calculated as on 28-06-2026. After applying all applicable age relaxations (including for internal candidates), the maximum upper age limit shall in no case exceed 54 years for any candidate.

Category Age Relaxation
Unreserved (UR) / EWS As per post (39 years for most Grade D posts)
OBC (Non-Creamy Layer) 3 years over UR upper age limit
SC / ST 5 years over UR upper age limit
PwBD As per Government of India Directives
Ex-Servicemen 5 years
J&K Domicile (01-01-1980 to 31-12-1989) 5 years (domicile certificate from prescribed authority required)
Candidates with PhD in relevant discipline 3 years
Candidates with PG Degree/Diploma (min. 2 years) as part of essential qualification 2 years additional upper age (already incorporated in the table; e.g. 37/39 or 39 as indicated)
Internal Candidates of OIL (otherwise eligible) Upper age limit: 54 years
Maximum ceiling after all relaxations (all candidates) 54 years

Application Fee

Category Application Fee
All Categories Not mentioned in notification (check official website before applying)

Selection Process

The selection for all posts is based on Personal Interview (PI) only. There is no written examination. Shortlisting of candidates will be done based on the information provided in the online application. If the number of applications is large, OIL may raise the minimum eligibility standards to restrict the number of candidates called for PI. Provisionally selected candidates must pass a Pre-Employment Medical Examination (PEME) before final appointment.

Stage Process Applicable Posts
Stage 1 Screening of online applications against prescribed eligibility criteria (shortlisting) All Posts
Stage 2 Personal Interview (PI) - selection based solely on PI performance, subject to document verification and eligibility compliance All Posts
Stage 3 Pre-Employment Medical Examination (PEME) - final appointment only after declaration of medical fitness by OIL Medical Board All Posts (Provisionally Selected Candidates)

Important Dates

Event Date / Time
Opening of Online Application Portal 28-05-2026 at 14:00 hours
Last Date for Online Application Submission 28-06-2026 at 23:59 hours
Cut-off Date for Age, Experience and Qualification 28-06-2026
Personal Interview Date To be intimated to shortlisted candidates via email only

How to Apply

Candidates must apply online only through the OIL website. No other mode of application will be accepted. Printouts of online applications should NOT be sent to OIL by post or hand.

Step I – Sign Up / Registration: Visit https://www.oil-india.com/advertisement-list and click on "Advertisement for Recruitment of Officers in Grade D/E/F in OIL." Select the post, fill in personal details, valid email ID and mobile number. Complete OTP authentication. Note down the Application Number and password received on registered email/mobile.

Step II – Complete Application Form: Fill in Basic Details, Address, Qualification Details, Eligibility Details, Experience Details. Upload photo, signature and scanned certificates. Click "Submit" to finalize.

Documents to be Uploaded Online:

  • Recent passport size colour photograph (jpg/jpeg/PNG format, not older than 3 weeks)
  • Signature on white paper with black ink pen (jpg/jpeg/PNG format)
  • Birth Certificate or Matriculation/10th Admit Card/Pass Certificate/Marksheet showing date of birth - no other document accepted for age proof
  • Degree/Diploma certificates and mark sheets for all academic years (or provisional certificate if degree not yet issued)
  • Experience Letter/Service Certificate from each employer on official letterhead (with name, designation, dates of joining and relieving)
  • Separate document from each employer explicitly detailing roles and responsibilities performed
  • Any two supporting documents per employment from the prescribed list: last pay slip, annual increment letter, promotion/transfer order, PF statement, or offer/appointment letter (for past employment); or identity card, increment letter, promotion/transfer order, PF statement (for current employment)
  • Caste certificate (SC/ST/OBC-NCL) in Government of India prescribed format, if applicable
  • Valid NCL certificate for OBC candidates, if applicable
  • Valid EWS Income & Assets Certificate in Government of India format, if applicable
  • Valid Disability Certificate (min. 40% disability) for PwBD candidates, if applicable
  • Valid Discharge Book/Service and Release Certificate for Ex-Servicemen, if applicable
  • Domicile Certificate (J&K, 1980–1989) for age relaxation claim, if applicable
  • CGPA/Grade to percentage conversion certificate from university/institute, if marks are in CGPA/Grade format
  • NOC from current employer (for Government/PSU employees - mandatory at PI stage)

Apply Online at: https://www.oil-india.com/advertisement-list

Frequently Asked Questions

The last date to submit the online application is June 28, 2026, till 11:59 PM.
A total of 10 vacancies have been announced for various Grade D/E/F executive posts.
Candidates must apply online only through the official Oil India Limited website.
Grade D: ₹90,000 – ₹2,40,000; Grade E/F: ₹1,00,000 – ₹2,60,000.
Candidates must have a minimum of 9 years of post-qualification experience for most posts, and 13/17 years for higher grades (Economist Grade E/F).
The upper age limit is generally around 39 years for Grade D posts, with relaxations for reserved categories. The maximum age limit after all relaxations is 54 years.
The application fee is not specified in the notification. Candidates should check the official website for updates.
Selected candidates will be posted mainly at Duliajan, Assam, and may be transferred to other operational locations.
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Prem Krishnan

Founder, Editor & Government Jobs Content Strategist

Prem Krishnan is the Founder and Editor of Sarkari Job Finders. He researches, verifies, and publishes government job notifications, admit cards, results, answer keys, scholarships, admissions, and educational updates from official government sources across India. His goal is to provide accurate, timely, and easy-to-understand information for job seekers, students, and aspirants.

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