The Indian Space Research Organisation (ISRO) Centralised Recruitment Board (ICRB) has officially released the detailed recruitment notification for the ISRO ICRB Scientist Engineer Recruitment 2026. Published under official advertisement reference ISRO:ICRB:03(EMC):2026, this nationwide drive invites qualified engineering graduates across India to apply for 175 regular Group ‘A’ Gazetted vacancies. The positions announced under the ISRO ICRB Scientist Engineer Recruitment 2026 drive cover the designation of Scientist / Engineer ‘SC’ across Electronics, Mechanical, and Computer Science disciplines.
What You Will Find Here
Candidates reviewing central scientific careers, technical assistant rosters, and state engineering appointments can also examine our detailed guide on the NIC Recruitment 2026 to assess technical syllabus weightages, CBT formats, and group-level compensation scales.
Appointments made under the ISRO ICRB Scientist Engineer Recruitment 2026 framework are placed in 7th CPC Pay Matrix Level-10, offering an initial basic pay of ₹56,100/- per month alongside central government allowances such as Dearness Allowance (DA), House Rent Allowance (HRA), and Transport Allowance (TA). The selection procedure consists of a computer-based objective examination (CBT) followed by a personal interview. Prospective applicants preparing for the ISRO ICRB Scientist Engineer Recruitment 2026 must review the branch-wise vacancy distribution, processing fee refund mechanism, academic eligibility benchmarks, and step-by-step application instructions outlined below.

ISRO ICRB Scientist Engineer Recruitment 2026: Master Overview
The table below outlines the core administrative guidelines and structural parameters governing the ISRO ICRB Scientist Engineer Recruitment 2026:
| Recruitment Attribute | Official Specifications & Institutional Standards |
| Exam Conducting Board | ISRO Centralised Recruitment Board (ICRB) |
| Recruitment Organization | Indian Space Research Organisation (ISRO), Department of Space |
| Notification Reference | ISRO ICRB Scientist Engineer Recruitment 2026 (Advt No. 03(EMC):2026) |
| Total Number of Vacancies | 175 Regular Appointments Across India |
| Primary Designation | Scientist / Engineer ‘SC’ (Group ‘A’ Gazetted) |
| Engineering Disciplines | Electronics & Communication, Mechanical, and Computer Science |
| Duty Locations | ISRO Centres & Units Across India (VSSC, URSC, SAC, SDSC SHAR, LPSC) |
| Minimum Academic Level | First Class B.E. / B.Tech (Minimum 65% Marks or 6.84 CGPA on 10-Point Scale) |
| Pay Matrix Scale | 7th CPC Level-10 (Basic Pay ₹56,100/- to ₹1,77,500/-) |
| Selection Architecture | Written CBT Examination ➔ Personal Interview (50:50 Final Merit Weightage) |
| Application Fee Window | ₹750/- Initial Processing Fee (Refund Policy Applicable Post-CBT) |
| Application Mode | 100% Online Digital Submissions via Centralized ISRO Portal |
| Official Online Portal | www.isro.gov.in |
Important Dates & Implementation Calendar
Aspirants tracking the ISRO ICRB Scientist Engineer Recruitment 2026 must observe the operational timeline for application registration, fee payment, and examination schedules:
| Administrative Event | Calendar Timeline & Operational Status |
| Official Notification Release Date | 25 August 2026 |
| Opening Date for Online Registrations | 27 August 2026 (Portal Live) |
| Closing Date for Online Form Submission | 16 September 2026 (Until 11:55 PM) |
| Application Fee Payment Deadline | 16 September 2026 (Until 11:55 PM) |
| Release of Computer-Based Test (CBT) Admit Cards | 10 to 14 Days Prior to Examination |
| ISRO ICRB Written Examination Date | To Be Announced |
| Publication of Provisional Question Keys & Objections | 3 to 5 Days Post-CBT Session |
| Declaration of Written CBT Merit Results | Expected November / December 2026 |
| Conduct of Personal Interviews | January / February 2027 |
| Issuance of Final Appointment Orders | Expected March / April 2027 |
Discipline-Wise Vacancies & Post Codes
The 175 Group ‘A’ vacancies under the ISRO ICRB Scientist Engineer Recruitment 2026 are allocated across engineering disciplines as follows:
| Post Code | Engineering Discipline / Specialization | Total Vacancies | Educational & Professional Stream Allocation |
| BE001 / BE001A | Electronics & Communication Engineering | 100 Posts | Satellite systems, avionics, telemetry, RF engineering, communication networks |
| BE002 | Mechanical Engineering | 52 Posts | Launch vehicle structures, propulsion systems, thermal management, precision tooling |
| BE003 | Computer Science & Engineering | 23 Posts | Mission software, telemetry processing, high-performance computing, orbital modeling |
| Composite Total | Scientist / Engineer ‘SC’ Cadre | 175 Posts | Central Civil Services Group ‘A’ Gazetted Appointments |
Candidates reviewing central banking positions, regional financial institutions, and administrative officer posts can also browse our IBPS RRB Recruitment 2026 guide to evaluate preliminary and main examination patterns, sectional timings, and selection models.
Application Fee & Detailed Refund Policy
The ISRO ICRB Scientist Engineer Recruitment 2026 application process requires an initial processing fee from all candidates. A partial or full refund is provided to candidates who appear for the written examination:
| Candidate Category / Classification | Initial Processing Fee | Amount Refunded After Appearing in CBT | Net Non-Refundable Application Fee |
| General / OBC / EWS Male Applicants | ₹750/- (Seven Hundred Fifty) | ₹500/- Refunded to Bank Account | ₹250/- Net Examination Fee |
| Scheduled Caste (SC) / Scheduled Tribe (ST) | ₹750/- (Seven Hundred Fifty) | ₹750/- Full Refund (100% Refunded) | ₹0/- (Completely Free of Charge) |
| Persons with Benchmark Disabilities (PwBD) | ₹750/- (Seven Hundred Fifty) | ₹750/- Full Refund (100% Refunded) | ₹0/- (Completely Free of Charge) |
| Ex-Servicemen (ESM) Candidates | ₹750/- (Seven Hundred Fifty) | ₹750/- Full Refund (100% Refunded) | ₹0/- (Completely Free of Charge) |
| Female Candidates (All Social Classes) | ₹750/- (Seven Hundred Fifty) | ₹750/- Full Refund (100% Refunded) | ₹0/- (Completely Free of Charge) |
- Payment Gateway & Channels: Fees must be paid through the official Bharatkosh payment gateway integrated into the application portal, using Net Banking, Debit Cards, Credit Cards, or UPI.
- Important Refund Instruction: During online registration, applicants must provide accurate personal bank account details (account holder name, bank name, account number, and IFSC code) to receive their applicable refund after appearing in the CBT.
Educational Qualifications & Academic Performance Standards
Candidates applying under the ISRO ICRB Scientist Engineer Recruitment 2026 must satisfy the following minimum academic requirements:
1. Qualifying Degree Requirement
- Candidates must possess a regular, full-time Bachelor of Engineering (B.E.) or Bachelor of Technology (B.Tech) degree or its recognized equivalent in the relevant engineering branch (Electronics, Mechanical, or Computer Science) from an AICTE/UGC-recognized university or institution.
2. Minimum Qualifying Percentage & CGPA Benchmarks
- Aggregate Percentage System: An aggregate minimum of 65% marks, calculated by averaging marks across all semesters throughout the entire degree program.
- Grading / CGPA System: A minimum Cumulative Grade Point Average of 6.84 on a 10-point scale where letter grading is applied.
- First-Class Requirement: The degree must be formally awarded with First Class designation by the conferring university.
- Final Year Status: Candidates must have completed all degree requirements and possess their provisional or final degree certificate on or before the application cutoff date (16 September 2026).
Candidates evaluating technical engineering posts in state departments and municipal corporations can also review our MPESB Group 3 Recruitment 2026 master post to inspect polytechnic diploma standards, Sub Engineer syllabi, and score normalization rules.
Age Criteria & Statutory Category Relaxations
Candidate age for the ISRO ICRB Scientist Engineer Recruitment 2026 is evaluated as of the application closing date (16 September 2026):
| Candidate Classification | Lower Age Threshold | Upper Age Ceiling |
| Unreserved (General) & EWS Candidates | 18 Years Completed | 28 Years Maximum |
| Other Backward Classes (OBC – Non-Creamy Layer) | 18 Years Completed | 31 Years (Includes 3 Years Central Relaxation) |
| Scheduled Castes (SC) & Scheduled Tribes (ST) | 18 Years Completed | 33 Years (Includes 5 Years Central Relaxation) |
| Persons with Benchmark Disabilities (PwBD) | 18 Years Completed | Up to 10 Years Additional Statutory Relaxation |
| Ex-Servicemen (ESM) Candidates | 18 Years Completed | As per Central Government Guidelines |
[Online Application Submission on ISRO ICRB Portal]
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[Computer-Based Written Examination (CBT)]
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[Shortlisting for Personal Interview (1:5 Ratio)]
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[Comprehensive Personal Interview Assessment]
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[Final Merit Compilation (50% CBT + 50% Interview Weightage)]
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[Document Verification & Central Medical Fitness Board]
Detailed Selection Process Architecture
The selection framework for the ISRO ICRB Scientist Engineer Recruitment 2026 consists of a two-stage evaluation:
- Computer-Based Written Examination (CBT): The written test evaluates discipline-specific technical fundamentals and general aptitude.
- Shortlisting for Interview: Candidates meeting the minimum qualifying score in the CBT are shortlisted for personal interviews in a 1:5 ratio based on category-wise vacancy quotas.
- Personal Interview: Shortlisted candidates appear before a technical interview panel to assess core subject knowledge, research aptitude, and engineering problem-solving capabilities.
- Final Merit Compilation: The final merit list is prepared by assigning 50% weightage to the written examination score and 50% weightage to the interview score.
- Medical Fitness & Verification: Candidates recommended on the merit list undergo character verification, document scrutiny, and a medical fitness examination conducted by an authorized medical board.
Written Examination Pattern & Marking Scheme
The written examination for the ISRO ICRB Scientist Engineer Recruitment 2026 follows an objective, computer-based testing format:
| Examination Metric | Standard Parameter & Examination Rules |
| Mode of Examination | Online Computer-Based Test (CBT) across designated regional centers |
| Structure of Question Paper | Part ‘A’ (Core Technical Discipline) + Part ‘B’ (General Aptitude) |
| Part ‘A’ Question Allocation | 80 Objective Multiple-Choice Questions (Core Discipline) |
| Part ‘B’ Question Allocation | 15 Objective Multiple-Choice Questions (Aptitude & Reasoning) |
| Total Marks Allocated | 100 Marks (Part ‘A’ carries 80 Marks; Part ‘B’ carries 20 Marks) |
| Composite Examination Duration | 120 Minutes (2 Continuous Hours) |
| Negative Marking Penalty | 0.33 (1/3rd) Mark Deducted for Each Incorrect Response in Part ‘A’ |
| Minimum Qualifying Marks | 50% for Unreserved; 40% for Reserved Categories in Both Stages |
Comprehensive Syllabus Breakdown
Questions in the written examination for the ISRO ICRB Scientist Engineer Recruitment 2026 cover core engineering subjects and general aptitude topics:
1. Part ‘A’: Core Engineering Discipline Syllabus (80 Questions)
- Electronics & Communication Engineering: Basic Electrical Circuits, Network Analysis, Electronic Devices & Analog Circuits, Digital Circuits & Microprocessors, Signals & Systems, Control Systems, Communications (Analog & Digital), Electromagnetics, Antennas, and Microwave Engineering.
- Mechanical Engineering: Engineering Mechanics, Strength of Materials, Theory of Machines, Machine Design, Fluid Mechanics & Hydraulic Machinery, Thermodynamics & Heat Transfer, Manufacturing Processes, Material Science, and Industrial Engineering.
- Computer Science & Engineering: Digital Logic, Computer Organization & Architecture, Programming & Data Structures, Algorithms, Theory of Computation, Compiler Design, Operating Systems, Databases (SQL & DBMS), Computer Networks, and Software Engineering.
2. Part ‘B’: General Aptitude Syllabus (15 Questions)
- Numerical Ability: Arithmetic computation, percentages, ratios, algebra, mensuration, and data interpretation.
- Reasoning Ability: Logical deduction, series completion, analogies, and spatial reasoning.
- Abstract Reasoning & Diagrammatic Puzzles: Pattern recognition and visual-spatial problem-solving.
Candidates reviewing state public distribution recruitments, civil supply logistics, and quality assurance cadres can also explore our Bihar BSFC Recruitment 2026 report for exam patterns, syllabus breakdowns, and document requirements.
Mandatory Document Checklist for Verification
Candidates qualifying for the interview and document verification stages of the ISRO ICRB Scientist Engineer Recruitment 2026 must present original documents along with two sets of self-attested photocopies:
| Document / Certificate Name | Purpose of Administrative Verification |
| Class 10th (Matriculation) Certificate | Official proof of candidate legal name, parentage, and date of birth |
| Class 12th (Higher Secondary) Marksheet | Proof of intermediate education with physics and mathematics |
| B.E. / B.Tech Semester Marksheets (All Semesters) | Verification of semester-by-semester grades and technical coursework |
| B.E. / B.Tech Degree / Provisional Certificate | Confirmation of completed qualifying degree with First Class honors |
| CGPA to Percentage Conversion Certificate | Official university formula sheet where CGPA conversion is required |
| Caste Certificate (SC / ST / OBC-NCL / EWS) | Verification of reservation claims under central government formats |
| PwBD Disability Certificate | Verification of benchmark disability percentage |
| Ex-Servicemen Discharge Book & PPO | Documentation verifying military service and discharge terms |
| Government Identity Verification Document | Photo identification card matching registration details |
| Printed Online Application Form | Physical copy of the completed online application |
| Recent Color Passport Photographs | Four identical, unblemished color photographs with light backgrounds |
Step-by-Step Guide: How to Apply Online for ISRO ICRB
Follow these step-by-step instructions to submit an online application for the ISRO ICRB Scientist Engineer Recruitment 2026:
Step 1: Access the Official Portal
- Open your web browser and navigate to the official portal: www.isro.gov.in.
- Go to the Careers or Current Opportunities section on the homepage.
- Select the notification titled Advt No: ISRO:ICRB:03(EMC):2026 – Recruitment of Scientist/Engineer ‘SC’.
Step 2: Candidate Registration
- Click Apply Online / Registration.
- Enter your full legal name, active mobile number, valid email address, and date of birth.
- Submit the registration details to receive your unique Registration Number and Login Password via SMS and email.
Step 3: Complete Personal, Academic & Discipline Details
- Sign in using your registered credentials.
- Select your targeted post code (e.g., BE001 for Electronics, BE002 for Mechanical, BE003 for Computer Science).
- Enter your permanent address, category classification, and complete educational qualifications from Class 10th through B.E./B.Tech.
- Input your aggregate percentage or CGPA, ensuring all calculations comply with your university’s official conversion standards.
Step 4: Digital Document Uploads
- Upload a recent passport-sized color photograph (JPG format, 20 KB to 50 KB).
- Upload your digital signature signed in black ink on white paper (JPG format, 10 KB to 20 KB).
- Upload scans of your caste certificate, qualifying degree certificate, or PwBD certificate where prompted.
Step 5: Fee Payment, Bank Details & Final Submission
- Provide accurate bank account details (account number, bank name, and IFSC code) to ensure proper processing of the fee refund post-CBT.
- Proceed to the Bharatkosh integrated payment gateway and pay the ₹750/- processing fee via Net Banking, Debit/Credit Card, or UPI.
- Review all entries using the Form Preview window before submitting.
- Click Final Submit and print at least two copies of the completed application form and fee confirmation receipt for your records.
5 Practical Preparation Tips for ISRO Aspirants
- Master Core Engineering Fundamentals: Part ‘A’ accounts for 80% of the written test score. Focus your revision on standard undergraduate textbooks and foundational concepts in your discipline.
- Account for Negative Marking in Part ‘A’: Incorrect answers incur a 0.33 (1/3rd) mark deduction. Avoid guessing on technical questions where you cannot eliminate incorrect options.
- Practice Previous Years’ ISRO ICRB Question Papers: Review past ICRB question papers from 2015 onward to understand recurring question formats, theoretical emphasis, and time allocation patterns.
- Prepare for the Technical Interview Early: The interview carries 50% of the final merit score. Be ready to explain your final-year project, core engineering lab work, and real-world system applications in detail.
- Verify Accurate Bank Details for Fee Refund: Double-check your bank account number and IFSC code during form submission to prevent issues with your fee refund following the CBT.
For regular updates regarding central scientific institutions, defense research recruitments, and public sector engineering appointments, visit the RK Job Alert 24 Home Page for daily employment alerts.
Important Direct Action Links
Use the verified links below to register, download official notifications, and access institutional portals:
| Essential Resource / Action Link | Direct Official Web Access Link |
| 💻 Apply Online (ISRO ICRB Portal) | Apply Link |
| 📄 Download Official ISRO Notification PDF | Official Pdf Download |
| 💬 Join Official WhatsApp Channel For Fast Job Alerts | Join Whats App Channel |
| 🌐 ISRO Official Website | OFFICIAL WEBSITE |
| 🏠 RK Job Alert Home Page | Home Page |
Frequently Asked Questions (FAQs)
What is the closing date to apply online for ISRO ICRB Scientist Engineer Recruitment 2026?
The online registration window and fee payment portal close on 16 September 2026 at 11:55 PM.
What is the minimum academic qualification required for Scientist/Engineer ‘SC’ posts?
Candidates must hold a regular B.E. / B.Tech degree with First Class in Electronics, Mechanical, or Computer Science engineering, with an aggregate of at least 65% marks or a 6.84 CGPA on a 10-point scale.
What is the processing fee refund policy for this recruitment?
All applicants pay an initial processing fee of ₹750/-. Candidates who appear in the CBT receive a refund: General/OBC/EWS males receive a ₹500/- refund (net fee ₹250/-), while SC, ST, PwBD, Ex-Servicemen, and all female candidates receive a 100% full refund of ₹750/-.
What is the weightage distribution for final selection?
The final merit list is prepared by assigning 50% weightage to the written CBT score and 50% weightage to the personal interview score.
Is there negative marking in the ISRO ICRB written test?
Yes. There is a negative marking penalty of 0.33 (1/3rd) mark for every incorrect response in Part ‘A’ (Core Engineering Discipline).