Chennai Petroleum Corporation Limited (CPCL), a Navratna Public Sector Undertaking, has released Advertisement No. 01 of 2026 (CPCL/HRD:03:055) inviting online applications for 60 posts of Junior Engineering Assistant-IV across Production, Mechanical, Electrical, and Instrumentation disciplines in the Non-Supervisory Cadre, Grade IV. The last date to apply has been extended to September 30, 2026. This CPCL Recruitment 2026 offers opportunities for Diploma holders with relevant refinery or petrochemical industry experience. This detailed guide covers the complete post-wise vacancy breakdown, eligibility criteria, application fee, important dates, selection process, and pay scale for the CPCL Junior Engineering Assistant Recruitment 2026.
CPCL Junior Engineering Assistant Recruitment 2026: Overview
Chennai Petroleum Corporation Limited has invited online applications for 60 vacancies of Junior Engineering Assistant-IV, against Advertisement No. 01 of 2026, dated August 14, 2026.
Organisation Details
- Recruiting Body: Chennai Petroleum Corporation Limited (CPCL), a Navratna PSU
- Advertisement Number: 01 of 2026 (CPCL/HRD:03:055)
- Post Name: Junior Engineering Assistant-IV (Production/Mechanical/Electrical/Instrumentation)
- Cadre: Non-Supervisory Cadre, Grade IV
- Total Vacancies: 60
- Job Location: Chennai
CPCL Vacancy 2026: Post-Wise and Category-Wise Breakdown
| Post Code | Discipline | Vacancies |
|---|---|---|
| CPCL01 | Production | 40 |
| CPCL02 | Mechanical | 10 |
| CPCL03 | Electrical | 5 |
| CPCL04 | Instrumentation | 5 |
| Total | 60 |
| Category | Vacancies |
|---|---|
| Unreserved (UR) | 26 |
| Scheduled Caste (SC) | 9 (including 2 backlog) |
| Scheduled Tribe (ST) | 0 |
| OBC (Non-Creamy Layer) | 15 (including 3 backlog) |
| EWS | 5 |
| Total | 60 |
Additionally, 3 posts are reserved for Persons with Benchmark Disabilities (Orthopedically Handicapped and Multiple Disabilities), as part of the 3rd attempt to fill these backlog positions.
Eligibility Criteria for CPCL Junior Engineering Assistant Recruitment 2026
Educational Qualification and Experience (as on July 1, 2026)
- Production (CPCL01): 3 year Diploma in Chemical, Petroleum, or Petrochemical Engineering, or B.Sc. with Chemistry as a major subject, with a minimum of 60% aggregate marks for General, OBC, and EWS candidates, and 55% for SC candidates, along with 3 or more years of experience in continuous process units in refining, chemical, or petrochemical industries.
- Mechanical (CPCL02): 3 year Diploma in Mechanical Engineering, with a minimum of 60% aggregate marks for General, OBC, and EWS candidates, and 55% for SC and PwBD candidates, along with 3 or more years of experience maintaining rotary and stationary equipment in refineries or petrochemical facilities.
- Electrical (CPCL03): 3 year Diploma in Electrical or Electrical and Electronics Engineering, with a minimum of 60% aggregate marks for General, OBC, and EWS candidates, and 55% for SC and PwBD candidates, along with 3 or more years of experience maintaining motors, transformers, generators, and switchgear in continuous process industries.
- Instrumentation (CPCL04): 3 year Diploma in Instrumentation, Instrumentation and Electronics, Instrumentation and Control, or Electronics and Communication, with a minimum of 60% aggregate marks for General, OBC, and EWS candidates, and 55% for SC candidates, along with 3 or more years of experience in process control instrumentation maintenance.
Candidates holding higher qualifications such as B.E./B.Tech, MBA, CA, LLB, or MCA are not eligible to apply, and possessing such a qualification even at the time of joining can lead to cancellation of the offer.
Age Limit
- Maximum Age: 30 years, as on July 1, 2026
- Age Relaxation: 5 years for SC/ST candidates, 3 years for OBC (Non-Creamy Layer) candidates applying against reserved posts, 10 years for General PwBD candidates, 13 years for OBC PwBD candidates, 15 years for SC PwBD candidates, and Armed Forces service period plus 3 years for Ex-Servicemen, subject to a maximum age of 50 years
Application Fee
| Category | Fee |
|---|---|
| General / EWS / OBC | Rs. 500 (non-refundable) |
| SC / ST / PwBD | Exempted |
| Ex-Servicemen | Exempted |
| Women Candidates | Exempted |
The fee is payable online only through SBI e-Pay, using Debit Card, Credit Card, UPI, or Net Banking.
Important Dates for CPCL Recruitment 2026
| Event | Date |
|---|---|
| Online Application Opens | August 14, 2026 |
| Last Date to Apply Online (Extended) | September 30, 2026, 23:59 hours |
| CBT Admit Card Release (Tentative) | 10 days before the exam |
| Computer Based Test (CBT) | September or October 2026, at Chennai only |
Important Links for CPCL Junior Engineering Assistant Recruitment 2026
| Purpose | Link |
|---|---|
| Apply Online | Click Here |
| Official Website | Click Here |
Special Provisions for Women Candidates
Women candidates are not eligible for the Production (CPCL01) post due to the hazardous and shift-intensive nature of refinery operations under this discipline. Women may apply only for Mechanical (CPCL02), Electrical (CPCL03), and Instrumentation (CPCL04) posts.
Selection Process
Selection under CPCL Junior Engineering Assistant Recruitment 2026 involves the following three stages:
- Computer Based Test (CBT): 120 marks, 2 hours duration, comprising General Aptitude (50 questions, 50 marks) and Discipline Knowledge (70 questions, 70 marks), with a negative marking of one-fourth mark for each wrong answer. Minimum qualifying marks are 40% for General, OBC, and EWS candidates, and 35% for SC, ST, and PwBD candidates against reserved posts.
- Document Verification: For shortlisted candidates, in approximately a 1:3 ratio, meaning three candidates per vacancy.
- Skill, Proficiency and/or Physical Test (SPPT): Qualifying in nature; candidates must pass this stage to proceed further.
Final selection is subject to medical fitness and category-wise merit based on CBT marks.
Pay Scale and Benefits
- IDA Pay Scale: Rs. 25,000 to Rs. 1,05,000
- Starting Basic Pay: Rs. 25,000, with no pay protection
Additional benefits include Dearness Allowance, House Rent Allowance or Self-Lease facility, Provident Fund, Gratuity, Leave Travel Concession or Leave Fare Assistance, medical reimbursement, and superannuation benefits.
How to Apply for CPCL Junior Engineering Assistant Recruitment 2026
- Visit the official CPCL website, review the instructions carefully, and accept the declaration.
- Select your preferred post category and complete the new user registration with your personal details.
- Validate your email ID and mobile number through OTP verification.
- Log in using the credentials sent to your registered email and mobile number.
- Fill in the Personal Details, Academic Details, and Work Experience sections carefully.
- Upload a recent passport size photograph and your signature in the specified format and size.
- Upload scanned copies of your certificates and documents in PDF format, within the specified size limit.
- Review your application on the Preview page and use the Edit option for any corrections needed.
- Proceed to payment, accept the final declaration, and submit your application.
- Complete the fee payment and download your application form and payment receipt for your records.
Candidates can apply for only one post, and only one email ID and mobile number can be used per applicant. No offline or physical applications are accepted for this recruitment.
Documents Required
- Age proof, accepted only in the form of a Secondary or Higher Secondary Board certificate
- Educational qualification certificates
- Work experience documents
- Caste or Community certificate, if applicable
- Income and Asset certificate, for EWS candidates
- Disability certificate, for PwBD candidates
- Release or retirement letter, for Ex-Servicemen candidates
Key Points to Remember
- Candidates employed in Government departments or PSUs must provide a No Objection Certificate from their current employer.
- Late reporting after the time specified on the admit card will result in disqualification.
- Mobile phones, calculators, and other communication devices are strictly prohibited at the exam venue.
- SC/ST candidates are eligible for single second class rail or bus fare reimbursement for a distance of 30 km or more, on producing the ticket and community certificate.
- False information or violation of the recruitment process will lead to disqualification, even after selection.
Frequently Asked Questions (FAQs)
1. How many total vacancies are there in CPCL Junior Engineering Assistant Recruitment 2026?
There are a total of 60 vacancies across Production, Mechanical, Electrical, and Instrumentation disciplines.
2. What is the last date to apply for CPCL Recruitment 2026?
The last date to apply online has been extended to September 30, 2026, 23:59 hours.
3. What is the application fee for this recruitment?
The fee is Rs. 500 for General, EWS, and OBC candidates. SC, ST, PwBD, Ex-Servicemen, and women candidates are exempted from the fee.
4. What is the age limit for CPCL Junior Engineering Assistant Recruitment 2026?
The maximum age limit is 30 years as on July 1, 2026, with applicable age relaxation for reserved categories.
5. Are women eligible to apply for all posts under this recruitment?
No, women candidates are not eligible for the Production post due to the hazardous nature of that role, but can apply for Mechanical, Electrical, and Instrumentation posts.
6. What is the selection process for CPCL Recruitment 2026?
Selection involves a Computer Based Test, followed by Document Verification, and a Skill, Proficiency and/or Physical Test, subject to medical fitness.
7. Can candidates with a B.E./B.Tech degree apply for this recruitment?
No, candidates holding higher qualifications such as B.E./B.Tech, MBA, CA, LLB, or MCA are not eligible to apply for these Diploma level posts.
8. Where will the CPCL Computer Based Test be conducted?
The Computer Based Test will be conducted only at Chennai.
Disclaimer: JobShouter.com is not affiliated with Chennai Petroleum Corporation Limited (CPCL). Shared for informational purposes only, please verify details on the official website.




