ISRO Recruitment 2025 Notification
The Indian Space Research Organisation (ISRO) stands as a beacon of scientific excellence and technological prowess in India. For aspiring engineers, scientists, and technical personnel, securing a position within this prestigious organisation is the pinnacle of a government career. A major announcement that job seekers eagerly await is the ISRO Recruitment 2025 Notification, particularly the vacancies at the Satish Dhawan Space Centre (SDSC) SHAR, Sriharikota.
The ISRO SDSC Recruitment 2025 drive has been initiated to fill various technical and non-technical posts, marking a golden opportunity for candidates across multiple disciplines. This comprehensive article provides a detailed, step-by-step guide covering every aspect of the recruitment process, eligibility criteria, selection methodology, and the crucial steps for candidates who wish to successfully complete their ISRO Recruitment 2025 apply online process. Whether you are an aspiring Scientist/Engineer or a skilled Technician, this detailed guide is designed to be your most valuable resource for the upcoming 2025 cycle.
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ISRO SDSC Recruitment 2025
The Satish Dhawan Space Centre (SDSC) SHAR, renowned as the Spaceport of India, is a critical operational hub responsible for providing launch base infrastructure for the entire Indian Space Programme. The 2025 recruitment, released under Advertisement No. SDSC SHAR/RMT/01/2025, aims to induct highly motivated individuals into various key operational roles.
This specific ISRO Recruitment 2025 drive offers a total of 141 posts across engineering, scientific, technical, and administrative cadres. The timeline announced is crucial for all applicants:
| Detail | Information |
| Organisation | Indian Space Research Organisation (ISRO) |
| Centre | Satish Dhawan Space Centre (SDSC) SHAR |
| Advertisement No. | SDSC SHAR/RMT/01/2025 |
| Total Vacancies | 141 Posts Notification Click Here |
| Application Mode | Online Click Here |
| Online Apply Start Date | 16 October 2025 |
| Online Apply Last Date | 14 November 2025 |
| Application Fee (General/OBC/EWS) | ₹750/- |
| Application Fee (SC/ST/PWD) | ₹500/- (As per notification guidelines) |
| Age Limit (as of 14 Nov 2025) | Minimum 18 Years, Maximum 35 Years (Age relaxation applicable as per Government of India rules) |
| Official Website | https://www.shar.gov.in |
II. Detailed Vacancy Breakdown and Eligibility Criteria
The recruitment covers a wide spectrum of roles essential for the complex launch operations and technical support at SDSC SHAR. Candidates must meticulously verify the eligibility criteria specific to their desired post. The most sought-after posts include the Scientist/Engineer cadre, which is the focus of the ISRO Recruitment 2025 for Engineer aspirants.
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A. ISRO Recruitment 2025 for Engineer and Scientific Posts
This category is reserved for candidates holding Bachelor’s or Master’s degrees in specialized engineering and scientific fields.
| Post Name | Number of Posts | Essential Educational Qualification |
| Scientist / Engineer (Various Disciplines) | 23 | B.E./B.Tech. or M.E./M.Tech./M.Sc. (Engineering) in the relevant discipline with a minimum of 65% marks or a CGPA of 6.84/10. |
| Technical Assistant | 28 | First Class Diploma (3 years) in the relevant engineering discipline (e.g., Mechanical, Electronics, Electrical). |
| Scientific Assistant | 06 | First Class B.Sc. degree in relevant subjects like Chemistry, Computer Science, or related fields. |
| Library Assistant ‘A’ | 01 | Graduation degree plus a First Class Master’s degree in Library Science/Library & Information Science. |
B. Technical and Support Posts
These positions require specialized technical qualifications, often at the ITI or Diploma level, and are vital for ground support and maintenance.
| Post Name | Number of Posts | Essential Educational Qualification |
| Technician ‘B’ (Various Trades) | 69 | SSLC/SSC Pass AND ITI/NTC/NAC certification in the relevant trade (e.g., Fitter, Electrician, Plumber) from NCVT. |
| Draughtsman ‘B’ | 02 | SSLC/SSC Pass AND ITI/NTC/NAC certification in Draughtsman (Civil/Mechanical) trade. |
| Nurse ‘B’ | 01 | Diploma in Nursing (minimum 3 years duration) with relevant registration. |
| Fireman ‘A’ | 06 | SSLC/SSC Pass and must meet specified physical standards. |
| Cook | 03 | SSLC/SSC Pass and at least 5 years of relevant experience. |
| Light Vehicle Driver ‘A’ | 03 | SSLC/SSC Pass, valid driving license, and 3 years of relevant experience. |
| Radiographer ‘A’ | 01 | First Class Diploma in Radiography (minimum 2 years duration). |
III. The Selection Process: A Detailed Roadmap for ISRO Aspirants
The selection methodology for ISRO Recruitment 2025 is rigorous, ensuring that only the most capable and dedicated candidates are chosen. While the process may slightly vary between scientific/engineering and technical posts, it generally involves the following stages:
- Written Examination: A screening test to shortlist candidates based on their technical and general aptitude knowledge.
- Skill Test / Physical Test (where applicable): Mandatory for Technical Assistants, Technicians, Firemen, and Drivers to assess practical skills and physical fitness.
- Document Verification: Verification of all original certificates, mark sheets, and documents.
- Interview: The final and most crucial stage for Engineer/Scientist posts, assessing technical depth and personality.
- Medical Examination: Final clearance by an ISRO Medical Officer.
Focus on ISRO Recruitment 2025 for Engineer: Written Test & Interview
For the Scientist/Engineer ‘SC’ positions, the recruitment is often handled centrally by the ISRO Centralised Recruitment Board (ICRB), ensuring a standardized high bar for entry.
A. Written Examination Pattern
The written test is typically structured to gauge the candidate’s core engineering knowledge and general aptitude.
| Part | Subject Focus | No. of Questions | Marks | Duration | Negative Marking |
| Part A | Core Engineering Discipline | 80 | 80 | 120 Minutes | 1/3rd Mark Deducted |
| Part B | Aptitude & Reasoning (General) | 15 | 20 | Included in 120 Minutes | None |
| Total | 95 | 100 | 2 Hours |
B. Detailed Syllabus Snippets for Engineers
The depth of the syllabus is equivalent to that of GATE or ESE, covering fundamental and advanced topics in respective engineering branches:
- Electronics Engineering: Networks, Signals, and Systems; Electronic Devices; Analog Circuits; Digital Circuits (Boolean Algebra, Combinational/Sequential); Control Systems (Feedback, Stability Criteria); Communications (AM/FM Modulation); and Electromagnetics (Maxwell’s equations, Transmission lines).
- Mechanical Engineering: Applied Mechanics and Design (Mohr’s circle, Torsion, Columns); Fluid Mechanics and Thermal Sciences (Heat-Transfer, Thermodynamics, Fluid Statics/Dynamics); Materials, Manufacturing, and Industrial Engineering (Casting, Welding, Metrology).
- Computer Science Engineering: Programming and Data Structures (C, Linked Lists, Trees, Graphs); Algorithms (Searching, Sorting, Complexity); Theory of Computation (Automata, Turing Machines); Operating Systems (Processes, Scheduling); and Computer Networks (OSI/TCP-IP Models, Routing).
C. Interview Component
Qualifying candidates are shortlisted for the Interview in a ratio (often 1:5 or 1:7). The interview carries significant weight (typically 100 marks) and is broken down as follows:
| Assessment Area | Weightage (Marks) |
| Technical (Academic) Knowledge | 40 |
| General Awareness (Relevant to Specialization) | 20 |
| Presentation/Communication Skills | 20 |
| Comprehension & Overall Suitability | 20 |
| Total | 100 |
This rigorous interview stage is designed to assess the depth of the candidate’s technical understanding and their ability to articulate complex concepts, which is paramount for an organisation like ISRO.
IV. Step-by-Step Guide: ISRO Recruitment 2025 Apply Online
To successfully submit your application for the ISRO SDSC Recruitment 2025, candidates must strictly follow the prescribed online application procedure. The entire process from registration to fee payment must be completed before the deadline of November 14, 2025.
Here is a simplified guide on how to complete the ISRO Recruitment 2025 apply online process:
Step 1: Visit the Official ISRO SDSC SHAR Careers Portal
Navigate directly to the official recruitment section of the Satish Dhawan Space Centre (SDSC) SHAR website. Always confirm the URL to avoid fraudulent sites.
Step 2: New Registration
Locate the link for “New Registration” or “Apply Online for Advt. No. SDSC SHAR/RMT/01/2025.” Enter basic personal details such as Name, Date of Birth, Email ID, and Mobile Number. A provisional Registration ID and Password will be generated and sent to your registered email and mobile number.
Step 3: Fill the Detailed Application Form
Log in using your credentials. The application form requires detailed information across several sections:
- Personal Details: Father’s Name, Category (Gen/OBC/SC/ST/EWS), Address.
- Educational Qualifications: Enter details for SSLC/SSC, Diploma/Degree/ITI, including institute name, year of passing, and percentage/CGPA. Pay special attention to meeting the ISRO Recruitment 2025 for Engineer minimum marks (65% or 6.84 CGPA) requirement.
- Experience Details: Applicable for posts like Driver and Cook.
Step 4: Upload Documents
Scan and upload the required documents, which typically include:
- Recent Passport-sized Photograph (as per specifications).
- Signature.
- Caste Certificate (if applicable).
- Educational Certificates and Mark Sheets.
Step 5: Fee Payment
Pay the non-refundable application fee using the online payment gateway (Debit Card, Credit Card, Net Banking).
- General/OBC/EWS candidates: ₹750/-
- SC/ST/PWD candidates: ₹500/-
Step 6: Review and Final Submission
Before clicking the ‘Submit’ button, review all entered data carefully. Once submitted, amendments are generally not permitted. Save and print the final submitted application form and the e-receipt for the application fee for future reference.
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V. Understanding the SDSC SHAR Centre: The Core of ISRO’s Launch Operations
Satish Dhawan Space Centre (SDSC) SHAR, located in Sriharikota, Andhra Pradesh, is more than just a recruitment location; it is the crucial launch hub that dictates the success of India’s space missions. Understanding the role of the centre adds gravity and motivation for candidates applying for the ISRO SDSC Recruitment 2025.
SDSC SHAR is responsible for:
- Launch Vehicle Integration: Assembling and integrating the multi-stage launch vehicles like the Polar Satellite Launch Vehicle (PSLV) and the Geosynchronous Satellite Launch Vehicle (GSLV).
- Solid Propellant Processing: The centre houses massive plants for processing and producing large-size solid propellant boosters used in ISRO’s rockets.
- Range Operations: Managing the telemetry, tracking, and command network, along with mission control for all launch campaigns.
Working at SDSC SHAR means contributing directly to the launch of communication, remote sensing, and navigation satellites, placing selected personnel at the very heart of India’s space endeavours.
VI. Critical Advice for Aspirants and Future Prospects
Securing a position through ISRO Recruitment 2025 is highly competitive. Candidates, especially those targeting the ISRO Recruitment 2025 for Engineer posts, must start their preparation immediately.
- Prioritise Technical Depth: Given the high weightage of technical knowledge in both the written exam and interview, focus intensely on core engineering concepts and their real-world applications within space technology.
- Practice Aptitude: Do not overlook the 20 marks allocated to the Aptitude & Reasoning section (Part B). This section can significantly boost your overall score and is crucial for qualifying the written test.
- Stay Updated on ISRO Missions: General Awareness marks in the interview are often linked to ISRO’s current and future missions (e.g., Gaganyaan, Chandrayaan, Aditya-L1). Being well-versed in these topics demonstrates genuine interest and domain relevance.
The upcoming ISRO Recruitment 2025 Notification offers not just a job, but a career dedicated to nation-building and pioneering scientific breakthroughs. Prepare thoroughly, follow the application guidelines precisely, and dedicate yourself to succeeding in this highly rewarding competitive examination.
VII. Important Dates and Useful Links
All applicants are strongly advised to bookmark this page and refer to the official ISRO SDSC SHAR website for any official amendments or announcements regarding the written exam and interview schedules.
| Event | Date / Status |
| Online Application Start | 16 October 2025 |
| Online Application Last Date | 14 November 2025 |
| Fee Payment Last Date | 14 November 2025 |
| Written Exam Date | To Be Notified Soon (Notify Soon) |
| Admit Card Release | Before Exam |
| Result Date | Will Be Updated on Official Portal |
For direct access to the application portal and official documents:
- [Apply Online Link](Link will be active on 16 October 2025 on the official SDSC SHAR website)
- [Download Official Notification](Downloadable link will be provided on the official website)
- ISRO SDSC Official Website
The time to prepare is now. Secure your future in space technology with the ISRO Recruitment 2025.