Chennai Petroleum Corporation Limited (CPCL) , Tamil Nadu, Non Executive (Junior Engineering Assistant) Recruitment 2026 - Apply Online

Chennai Petroleum Corporation Limited (CPCL) Recruitment 2026 :
Chennai Petroleum Corporation Limited (CPCL), a Navratna Public Sector Enterprise and group company of Indian Oil Corporation Limited, has released the official notification for CPCL Recruitment 2026 for 60 Junior Engineering Assistant-IV posts in Production, Mechanical, Electrical, and Instrumentation disciplines.
The recruitment is being conducted under Advertisement No. 01 of 2026 – CPCL/HRD:03:055. Eligible candidates with the required Diploma or B.Sc. qualification and relevant post-qualification work experience can submit their applications online through the official CPCL website.

The CPCL Junior Engineering Assistant Recruitment 2026 online application process starts on 14 August 2026 and ends on 11 September 2026 at 23:59 Hrs. Candidates should complete the registration, upload the required documents, pay the applicable fee, and submit the application before the deadline.
The recruitment offers a good opportunity for experienced diploma holders and science graduates seeking employment in a major petroleum refining and public sector organisation.

Chennai Petroleum Corporation Limited (CPCL) Recruitment 2026 Important Highlights :
Organization: Chennai Petroleum Corporation Limited, CPCL.
Recruitment: CPCL Junior Engineering Assistant Recruitment 2026.
Advertisement Number: 01 of 2026 – CPCL/HRD:03:055.
Total Vacancies: 60 posts.
Post: Junior Engineering Assistant-IV.
Disciplines: Production, Mechanical, Electrical, and Instrumentation.
Cadre: Non-Supervisory Cadre, Grade IV.
Pay Scale: ₹25,000 to ₹1,05,000.
Starting Basic Pay: ₹25,000 per month.
Application Mode: Online.
Application Start Date: 14 August 2026.
Last Date to Apply: 11 September 2026, up to 23:59 Hrs.
Maximum Age: 30 years as on 01 July 2026, subject to relaxation.
Selection Process: Computer Based Test, Document Verification, Skill/Proficiency/Physical Test and Medical Fitness.
Tentative CBT: September/October 2026.
CBT Centre: Chennai only.
Official Website: www.cpcl.co.in.

Chennai Petroleum Corporation Limited (CPCL) Recruitment 2026 Vacancy :
CPCL has announced 60 Junior Engineering Assistant-IV vacancies across four technical disciplines.
Post-Wise Vacancy Details :
Junior Engineering Assistant-IV, Production: 40 posts.
Junior Engineering Assistant-IV, Mechanical: 10 posts.
Junior Engineering Assistant-IV, Electrical: 5 posts.
Junior Engineering Assistant-IV, Instrumentation: 5 posts.
Total: 60 posts.

Category-Wise Vacancy Distribution :
The total vacancies include :
Unreserved: 26 posts.
SC: 9 posts.
ST: No vacancies.
OBC: 15 posts.
EWS: 5 posts.
Some vacancies include backlog positions under reserved and PwBD categories. The number of vacancies is tentative and may be increased or decreased by CPCL management according to applicable reservation rules and organisational requirements.

Chennai Petroleum Corporation Limited (CPCL) Recruitment 2026 Eligibility Criteria :
Candidates must fulfil the prescribed educational qualification, percentage, work experience, age, and other conditions as on 01 July 2026.

Junior Engineering Assistant-IV – Production :
Candidates should possess either :
A three-year Diploma in Chemical, Petroleum, or Petrochemical Engineering, or
B.Sc. with Chemistry as the major subject.
Candidates belonging to General, OBC, and EWS categories require a minimum of 60% aggregate marks, while the prescribed minimum is 55% for SC candidates against reserved vacancies.
Candidates must also have at least three years of relevant post-qualification experience in continuous process units of industries such as refining, chemical, petrochemical, fertilizer, or gas processing.
Relevant experience may include work involving fired heaters, exchangers, pumps, compressors, distillation columns, reactors, and similar process equipment.

Junior Engineering Assistant-IV – Mechanical :
Candidates should have a three-year Diploma in Mechanical Engineering.
The minimum qualification marks are 60% for General/OBC/EWS candidates and 55% for SC/PwBD candidates against reserved posts.
Applicants must possess at least three years of relevant experience in maintenance of rotary and stationary equipment in refinery, petrochemical, chemical, fertilizer, power plant, or large industrial establishments.
Experience should include equipment such as pumps, compressors, turbines, boilers, exchangers, columns, piping, valves, and tanks.

Junior Engineering Assistant-IV – Electrical :
Candidates should possess a three-year Diploma in Electrical Engineering or Electrical and Electronics Engineering.
The minimum qualifying percentage is 60% for General/OBC/EWS candidates and 55% for SC/PwBD candidates against reserved vacancies.
Candidates must have at least three years of relevant experience in maintenance of motors, transformers, generators, HT/LT switchgear, UPS, battery banks, VFDs, and related electrical systems in a continuous process industry.

Junior Engineering Assistant-IV – Instrumentation :
Candidates should possess a three-year Diploma in any of the following disciplines :
Instrumentation Engineering.
Instrumentation and Electronics Engineering.
Instrumentation and Control Engineering.
Electronics and Communication Engineering.
Candidates require at least 60% marks for General/OBC/EWS categories and 55% for SC candidates against reserved posts.
A minimum of three years of relevant experience in process control instrumentation maintenance is required. Experience with field instruments, control valves, DCS, PLC systems, P&ID interpretation, and calibration reports is relevant.

Chennai Petroleum Corporation Limited (CPCL) Recruitment 2026 Important Qualification Conditions :
All educational qualifications must be obtained from a recognised University, Institution, or Board recognised by the Government of India.
Diploma qualifications obtained through recognised lateral-entry schemes may also be considered subject to the prescribed conditions and percentage requirements.
Candidates should note that possession of higher professional qualifications such as B.E., B.Tech, MBA, CA, LLB, or MCA can make the candidate ineligible under the recruitment conditions. Candidates should carefully verify this condition before applying.

Chennai Petroleum Corporation Limited (CPCL) Recruitment 2026 Age Limit :
The maximum age limit is 30 years as on 01 July 2026.
Applicable upper-age relaxation includes :
SC/ST: 5 years, where considered against reserved vacancies.
OBC Non-Creamy Layer: 3 years, where considered against reserved vacancies.
PwBD: 10 years for General candidates, 13 years for OBC candidates, and 15 years for SC candidates, subject to applicable conditions.
Ex-Servicemen: Service rendered in the Armed Forces plus three years, subject to a maximum age of 50 years.
Cumulative age relaxation is not permitted. Candidates should use the prescribed date of birth proof while determining their age.

Chennai Petroleum Corporation Limited (CPCL) Recruitment 2026 Salary :
Selected candidates appointed as Junior Engineering Assistant-IV will receive salary under the CPCL Non-Supervisory Cadre, Grade IV pay structure.
Pay Scale: ₹25,000 – ₹1,05,000.
Starting Basic Pay: ₹25,000 per month.
In addition to basic pay, employees may receive benefits such as :
Dearness Allowance.
House Rent Allowance or Self-Lease facility.
Provident Fund.
Gratuity.
LTC/LFA.
Medical reimbursement.
Superannuation benefits.
Other benefits according to CPCL rules.

Chennai Petroleum Corporation Limited (CPCL) Recruitment 2026 Application Fee :
Candidates belonging to General, EWS, and OBC categories have to pay a ₹500 non-refundable application fee, along with applicable bank charges.
The following candidates are exempted from payment of the application fee :
SC candidates.
ST candidates.
PwBD candidates.
Ex-Servicemen.
Women candidates.
The fee can be paid online through SBI e-Pay using Debit Card, Credit Card, UPI, or Net Banking. Once paid, the fee will not be refunded.

Chennai Petroleum Corporation Limited (CPCL) Recruitment 2026 Important Dates :
Notification Date: 14 August 2026.
Online Application Start Date: 14 August 2026.
Last Date for Application and Fee Payment: 11 September 2026, 23:59 Hrs.
Tentative Admit Card: Around 10 days before the CBT.
Tentative CBT: September/October 2026.
Educational qualification, work experience, and age will be calculated as on 01 July 2026.

Chennai Petroleum Corporation Limited (CPCL) Recruitment 2026 Selection Process :
The CPCL Junior Engineering Assistant-IV selection process consists of multiple stages :
Computer Based Test, CBT.
Document Verification.
Skill, Proficiency and/or Physical Test, SPPT.
Medical Examination/Fitness.
Final Selection.
The SPPT is qualifying in nature and does not carry marks for preparing the merit list. Final merit is primarily based on CBT performance among candidates who qualify the applicable SPPT and document verification.

Chennai Petroleum Corporation Limited (CPCL) Recruitment 2026 Exam Pattern :
The Computer Based Test will contain 120 objective-type questions carrying 120 marks.
General Aptitude : Questions - 50, Marks - 50.
Discipline Knowledge : Questions 70, Marks - 70.
Total : Questions - 120, Marks - 120.
The examination duration will be two hours.
The General Aptitude section includes areas such as verbal ability, general knowledge, reasoning, logical deduction, and numerical ability.
The Discipline Knowledge section will contain questions related to the technical discipline selected by the candidate.
A negative marking of ¼ mark will apply for each incorrect answer.
Candidates securing the required minimum qualifying marks will be considered for the next stage. The minimum qualifying standard is 40% for General/OBC/EWS candidates and 35% for SC/ST/PwBD candidates against reserved positions.

Chennai Petroleum Corporation Limited (CPCL) Recruitment 2026 Women Candidate Eligibility :
Due to the hazardous nature of refinery operations and shift-based working requirements, women candidates are not eligible for Production vacancies under CPCL01.
Women candidates may apply for :
CPCL02 – Junior Engineering Assistant-IV, Mechanical.
CPCL03 – Junior Engineering Assistant-IV, Electrical.
CPCL04 – Junior Engineering Assistant-IV, Instrumentation.
Candidates should carefully check the prescribed work conditions before selecting a post.

How to Apply for Chennai Petroleum Corporation Limited (CPCL) Recruitment 2026 :
Eligible candidates can apply online through the official CPCL website.
Visit www.cpcl.co.in.
Open the recruitment section and read the official notification carefully.
Select the relevant Junior Engineering Assistant-IV post.
Complete the new-user registration using the required personal details.
Verify the registered email address and mobile number through OTP.
Log in using the User ID and password.
Enter personal, educational, and work experience details.
Upload the recent passport-size photograph and scanned signature in the prescribed format.
Upload the required educational, experience, category, and other certificates.
Carefully review the application using the preview option.
Make corrections, if required, before final submission.
Pay the applicable application fee through the available online payment method.
Submit the application form.
Download and save the completed application form and payment receipt for future reference.
Candidates can apply for only one post using a single email ID and mobile number. There is no requirement to send the application printout or certificates by post.

Documents Required for Chennai Petroleum Corporation Limited (CPCL) Recruitment 2026 :
Candidates should keep the following documents ready :
Secondary or Higher Secondary certificate for date of birth.
Diploma or B.Sc. certificate.
All relevant marksheets.
Experience certificates showing post-qualification experience.
SC/ST/OBC/EWS certificate, where applicable.
PwBD certificate, where applicable.
Ex-Servicemen documents, where applicable.
Recent passport-size photograph.
Scanned signature.
Valid photo identity proof.
Other documents specified in the official notification.
Candidates working in Government organisations, PSUs, autonomous bodies, or other applicable organisations may need to apply through the proper channel or produce a No Objection Certificate during document verification.

Chennai Petroleum Corporation Limited (CPCL) Recruitment 2026 Important Instructions :
Candidates must verify their eligibility before submitting the application.
Age, qualification, and experience will be considered as on 01 July 2026.
Only relevant post-qualification experience will be considered.
Candidates must provide accurate information in the online application.
False information can result in cancellation of candidature.
Candidates should retain the application form and payment receipt.
Mobile phones, calculators, smart watches, and other prohibited devices are not allowed inside the examination premises.
Candidates must report for the CBT according to the time mentioned on the admit card.
Final appointment is subject to medical fitness.
Candidates employed in eligible organisations should follow the proper channel requirements.
Canvassing in any form can lead to disqualification.
CPCL management reserves the right to increase, decrease, or leave vacancies unfilled depending on organisational requirements.
Candidates should regularly check the official CPCL website for admit cards, examination dates, results, and further recruitment updates.