The Vikram Sarabhai Space Centre (VSSC)—a premier unit of the Indian Space Research Organisation (ISRO)—has announced its Recruitment Notification No. VSSC-335 dated 31.05.2025 for various Technical, Scientific, and Library Assistant positions. This drive invites online applications from eligible Indian nationals for Level-07 (₹44,900–₹1,42,400) posts. If you hold a first-class diploma or degree in engineering, science, or library science, this is your opportunity to join India’s leading space research centre. Below, you’ll find a detailed breakdown of important dates, vacancy matrix, qualifications, application process, selection criteria, and FAQs. Don’t forget to download the official PDF to verify specifics and apply before the deadline.
Table of Contents
Overview of VSSC & Recruitment Drive
The Vikram Sarabhai Space Centre (VSSC), headquartered in Thiruvananthapuram, Kerala, is responsible for the design and development of launch vehicle technology for ISRO. Under Advertisement No. VSSC-335 dated 31 May 2025, VSSC invites online applications for:
Technical Assistant (various engineering disciplines)
Scientific Assistant (Physics & Chemistry)
Library Assistant-A (Library & Information Science)
All these posts fall under Pay Level-07 (₹44,900–₹1,42,400). Shortlisted candidates may be posted to:
VSSC, Thiruvananthapuram (Kerala)
ADRIN, Secunderabad (Telangana)
NESAC, Umiam (Meghalaya)
Women candidates and Persons with Benchmark Disabilities (PwBD) are encouraged to apply.
Important Dates & Eligibility Cut-off
| Event | Date & Time |
|---|---|
| Online Application Start Date | 04 June 2025 (10:00 Hrs) |
| Online Application End Date | 18 June 2025 (17:00 Hrs) |
| Crucial Date of Eligibility | 18 June 2025 |
| Tentative Date of Written Test | To be announced on VSSC website |
Only those who have the required qualification as on 18 June 2025 need to apply.
All communications (admit cards, interview calls) will be via email/VSSC website.
Vacancy Details & Pay Level
Below is a consolidated table of vacancies, posts, and posting centres. All positions are at Level-07 (₹44,900–₹1,42,400).
| Post Code | Post (Level-07) | Discipline | Vacancies (UR, OBC, SC, ST, EWS) | Centre of Posting | PWBD Vacancy (Category) |
|---|---|---|---|---|---|
| 1544 | Technical Assistant | Electronics Engineering / Electronics & Communication / Telecommunication / Electronics & Instrumentation | 27 (UR 14, OBC 9, SC 1, ST 1, EWS 2) | VSSC | 2 (Category B = 1; Category D = 1) |
| 1545 | Technical Assistant | Mechanical Engineering / Production Engineering | 27 (UR 16, OBC 6, SC 2, EWS 3) | VSSC | 2 (Category A = 1; Category C = 1) |
| 1546 | Technical Assistant | Computer Science / Computer Engineering / Technology / IT | 04 (UR 3, EWS 1) – VSSC 08 (UR 5, OBC 2, SC 1) – ADRIN | VSSC (4) / ADRIN (8) | 2 (Category A at VSSC) |
| 1547 | Technical Assistant | Chemical Engineering / Technology | 06 (UR 1, OBC 2, SC 2, EWS 1) | VSSC | – |
| 1548 | Technical Assistant | Automobile Engineering | 01 (UR 1) | VSSC | – |
| 1549 | Technical Assistant | Civil Engineering | 01 (UR 1) – VSSC 01 (UR 1) – ADRIN | VSSC (1) / ADRIN (1) | – |
| 1550 | Technical Assistant | Refrigeration & AC Engineering | 01 (OBC 1) | VSSC | – |
| 1551 | Scientific Assistant | Physics (B.Sc. First Class) | 01 (UR 1) – VSSC 03 (UR 2, SC 1) – ADRIN | VSSC (1) / ADRIN (3) | – |
| 1552 | Scientific Assistant | Chemistry (B.Sc. First Class) | 01 (UR 1) | VSSC | – |
| 1553 | Library Assistant-A | Library Science / Library & Information Science (M.L.I.Sc. First Class) | 01 (OBC 1) – VSSC 01 (UR 1) – NESAC | VSSC (1) / NESAC (1) | – |
• UR: Un-reserved
• OBC: Other Backward Class (Non-Creamy Layer)
• SC: Scheduled Caste
• ST: Scheduled Tribe
• EWS: Economically Weaker Section
• PWBD: Persons with Benchmark Disabilities (Categories A–D)
Educational Qualifications & Physical Requirements
| Post Code | Discipline | Essential Qualification (First Class Diploma) | Physical Requirements (Abbreviations) | Nature of Job |
|---|---|---|---|---|
| 1544 | Electronics / E&C / E&T / E&I | Diploma in Electronics Engg. / Electronics & Communication Engg. / Telecommunication Engg. / Electronics & Instrumentation Engg. | S (Sitting), ST (Standing), W (Walking), BN (Bending), L (Lifting), CL (Climbing), CRL (Crawling), MF (Manipulation by fingers), RW (Reading & Writing), SE (Seeing), H (Hearing), C (Communication), BA (Balance), BL (Balance) | Design, testing, integration, measurement, analysis, maintenance, screening, calibration of electronic systems |
| 1545 | Mechanical / Production Engineering | Diploma in Mechanical Engg. / Production Engg. | S, ST, W, BN, L, CRL, KC (Kneeling & Crouching), CL, MF, RW, SE, H, C, BA, BL, PP (Pulling & Pushing) | Coordination of manufacturing/fabrication, production planning, hardware integration & testing, mechanical quality control |
| 1546 | Computer Science / Computer Engg. / Tech. / IT | Diploma in Computer Science Engg. / Computer Engg. / Technology / Information Technology | S, ST, W, BN, L, KC, CRL, CL, MF, RW, SE, H, C, PP | Computer programming & computer network operations |
| 1547 | Chemical Engineering / Technology | Diploma in Chemical Engg. / Technology | S, ST, W, BN, CRL, CL, L, KC, RW, MF, PP, SE, C, H | Chemical processing (hazardous propellant preparation), production planning, inspection & quality control |
| 1548 | Automobile Engineering | Diploma in Automobile Engineering | BA, BL, C, CL, CRL, H, JU (Jumping), KC, L, MF, PP, RW, S, SE, ST, W | Supervision of all maintenance activities of automobiles |
| 1549 | Civil Engineering | Diploma in Civil Engineering | S, ST, W, BN, CRL, CL, L, KC, RW, MF, PP, SE, C, H | Supervision of construction & maintenance of civil projects/structures |
| 1550 | Refrigeration & AC Engineering | Diploma in Refrigeration & AC Engineering | S, ST, W, BN, CRL, CL, L, KC, RW, MF, PP, SE, C, H | Supervision of installation & maintenance of refrigeration & AC systems |
• S: Sitting
• ST: Standing
• W: Walking
• BN: Bending
• L: Lifting
• CL: Climbing
• CRL: Crawling
• MF: Manipulation by Fingers
• RW: Reading & Writing
• SE: Seeing
• H: Hearing
• C: Communication
• BA: Balance
• BL: Balance
• KC: Kneeling & Crouching
• PP: Pulling & Pushing
• JU: Jumping
| Post Code | Discipline | Essential Qualification | Physical Requirements | Nature of Job |
|---|---|---|---|---|
| 1551 | Physics | First Class Bachelor’s Degree in Physics | S, ST, W, BN, L, KC, CL, MF, RW, SE, H, C, PP | Support R&D in Atmospheric/Space/Planetary Science—experimental development, observations, analysis, data collection across the country |
| 1552 | Chemistry | First Class Bachelor’s Degree in Chemistry | S, ST, W, BN, L, KC, CL, MF, RW, SE, H, C, PP | Processing & analysis of specialty chemicals and materials for space applications |
| Post Code | Post | Essential Qualification | Physical Requirements | Nature of Job |
|---|---|---|---|---|
| 1553 | Library Assistant-A | Graduation + First Class Master’s in Library Science or Library & Information Science | S, ST, W, BN, L, CL, MF, RW, SE, H, C, PP | Manage circulation, acquisition, cataloguing, information services, document arrangement, collection management, user orientation & communication with users |
Note: If specialization is not mentioned on your marksheet, you must upload a certificate from the institute specifying the specialization.
| Post Category | Age Limit | Relaxation |
|---|---|---|
| Technical Assistant (1544–1550) | 18–35 years | SC/ST: +5 yrs; OBC: +3 yrs (for OBC-reserved posts); PwBD, Ex-Servicemen, Meritorious Sportspersons: age relaxation as per Government of India rules; Departmental candidates: +5 yrs |
| Scientific Assistant (1551–1552) | 18–35 years | Same as above |
| Library Assistant-A (1553) | 18–35 years | Same as above |
Age relaxations are applicable only against posts reserved for the respective categories.
| Post (Level-07) | Approx. Gross Emoluments | Pay Band |
|---|---|---|
| Technical Assistant (1544–1550) | ₹78,000 per month | Level-07 (`₹44,900–₹1,42,400) |
| Scientific Assistant (1551–1552) | ₹78,000 per month | Level-07 (`₹44,900–₹1,42,400) |
| Library Assistant-A (1553) | ₹78,000 per month | Level-07 (`₹44,900–₹1,42,400) |
In addition to basic pay, candidates receive DA, HRA (if applicable), Transport Allowance, Medical facilities (CHSS), and other perks as per ISRO/DoS rules. Accommodation (subject to availability) is provided or HRA is paid.
Application Process
Applications are online only. Follow these steps carefully:
Visit VSSC Recruitment Portal
Go to https://www.vssc.gov.in → Recruitment section.
Registration
New candidates must register using a valid email ID & mobile number.
You will receive a Registration Number and Password via email/SMS—note them for future login.
Fill Online Application Form
Enter personal details, educational qualifications, discipline, category, and preferred exam cities (choose 3 in order of preference).
Upload scanned documents (see Section 4 for sizes and formats).
Document Upload Requirements
Passport-size Photograph: 200 × 230 px, white/light background, 20–50 KB, .jpg/.png
Signature: Black ink on white background, not in capital letters, 20–50 KB
Educational Certificate: First Class Diploma/Degree/PG (for Library Assistant-A) as PDF/JPG, ≤ 200 KB
Category Certificate (SC/OBC/EWS/PwBD/Ex-Servicemen): As applicable, in prescribed format, ≤ 200 KB
Government ID Proof: Aadhar/PAN/Passport/Driving License/College ID, ≤ 200 KB
Preview & Submit
Click “Preview”, verify all entries & uploads.
Once submitted, no edits are allowed.
Payment of Application Fee
Amount: ₹750 per application (all categories).
Refund:
SC/ST/Female/Ex-Servicemen/PwBD: Full refund after appearing in written test.
Others: ₹500 refund (₹250 bank charges deducted) after appearing in written test.
Mode: Online (Credit Card/Debit Card/Internet Banking/UPI) via SBI ePay.
Print Application
After successful submission, take a printout of the application for future reference.
Note: Duplicate/multiple applications—only the latest with payment received by the deadline will be considered.
Selection Procedure
The selection involves a Written Test (80 MCQs), followed by a Skill/Trade Test (for Technical Assistants), and finally Document Verification.
Duration: 90 minutes
Total Questions: 80 (1 mark each)
Negative Marking: 0.33 mark deduction per wrong answer
Syllabus: Curriculum-based (discipline topics + general aptitude)
Cut-off Marks:
UR & EWS: Minimum 32/80
SC/ST/OBC/PwBD: Minimum 24/80 (for posts reserved for them)
Ratio: Shortlisting in 1:5 ratio (minimum 10 candidates) based on written test marks.
Qualifying Marks:
UR & EWS: 50/100
SC/ST/OBC/PwBD: 40/100
Conducted only for Technical Assistant (practical assessment of trade skills).
Candidates who qualify skill test will be empaneled in order of written test marks.
Tie-breaker: Academic scores of relevant qualification (higher marks get preference).
Skill test & written test marks are normalized to identify final merit.
Shortlisted candidates must produce all original documents: educational certificates, category certificates, proof of age, disability certificate (if applicable), discharge certificate (ex-servicemen).
No Objection Certificate (NOC) required for candidates employed under Government/PSU.
Medical Fitness: Candidates must be medically fit as per ISRO guidelines.
Only Indian nationals are eligible. Canvassing or submission of false information will lead to disqualification.
The written test will be held at the following tentative cities. Candidates must choose three preferences when applying:
| Sl. No. | State/UT | Examination City | Sl. No. | State/UT | Examination City |
|---|---|---|---|---|---|
| 1 | Andhra Pradesh | Visakhapatnam | 14 | Meghalaya | Shillong |
| 2 | Assam | Guwahati | 15 | Odisha | Bhubaneshwar |
| 3 | Bihar | Patna | 16 | Goa | Panaji |
| 4 | Delhi | New Delhi | 17 | Chhattisgarh | Raipur |
| 5 | Gujarat | Ahmedabad | 18 | Rajasthan | Jaipur |
| 6 | Haryana/Punjab | Chandigarh | 19 | Jharkhand | Ranchi |
| 7 | Jammu & Kashmir | Srinagar | 20 | Tamil Nadu | Chennai |
| 8 | Karnataka | Bengaluru | 21 | Tamil Nadu | Madurai |
| 9 | Kerala | Ernakulam | 22 | Telangana | Hyderabad |
| 10 | Kerala | Kozhikode | 23 | Uttar Pradesh | Lucknow |
| 11 | Kerala | Thiruvananthapuram | 24 | Uttarakhand | Dehradun |
| 12 | Madhya Pradesh | Bhopal | 25 | West Bengal | Kolkata |
| 13 | Maharashtra | Mumbai | – | – | – |
VSSC reserves the right to prune or add cities based on administrative feasibility.
If none of the preferred cities is available, candidates will be assigned the next feasible city or Thiruvananthapuram.
Final allotment decisions by VSSC are binding.
General Conditions & Benefits
Tenure: Though advertised as temporary, selected candidates are likely to continue for several years.
Postings: Initially at VSSC/ADRIN/NESAC, but may be transferred anywhere within ISRO/DoS in India.
Medical Facilities: Contributory Health Service Scheme (CHSS) for self & dependents.
Transport & Canteen: Free/subsidized transport; subsidized canteen.
Housing: Accommodation subject to availability; otherwise HRA is paid.
Central School & Library: Access to well-maintained facilities for professional development.
Career Growth: VSSC’s Merit Promotion Scheme offers HRD-based career advancement independent of vacancy availability at higher posts.
Biometric Verification: Candidates must be willing to undergo biometric verification at various stages.
NOC Requirement: Government/PSU employees must submit No Objection Certificate at skill test stage; failure leads to cancellation.
Reservation Compliance:
OBC (NCL) certificate must be valid as on 18 June 2025 and include a “non-creamy layer” clause.
EWS certificate valid for financial year 2025–26 (gross income criteria for 2024–25).
SC/ST/PwBD/Ex-Servicemen must upload relevant certificates in the prescribed format (Annexures I–IV in PDF).
Warning: Beware of touts and fake websites. Apply only via www.vssc.gov.in. ISRO/VSSC does not engage agents or coaching centres.
Q1. Can I apply for more than one post?
A1. Yes. You must submit a separate application (and fee) for each post code (e.g., 1544, 1551). Ensure you meet the qualification and age criteria for each.
Q2. What constitutes a “First Class” diploma or degree?
A2. Generally, “First Class” means ≥ 60% marks or equivalent CGPA (as per the awarding institute’s norms). If your marksheet doesn’t explicitly say “First Class,” upload a certificate from your institute clarifying the same.
Q3. Is there negative marking in the written test?
A3. Yes. Each wrong answer incurs a 0.33 mark deduction.
Q4. How will I receive my admit card?
A4. Admit cards will be available under “Recruitment → Admit Card” on www.vssc.gov.in. Download using your Registration Number and Password. Carry a printed copy and valid photo ID to the exam center.
Q5. What is the refund policy for application fees?
A5. All applicants pay ₹750. After appearing in the written test:
SC/ST/Female/Ex-Servicemen/PwBD: Full refund (₹750).
Others: Refund of ₹500 (₹250 for bank charges).
Ensure correct bank account details for refund.
Q6. What if I don’t have a category certificate at the time of application?
A6. You must upload a valid certificate (OBC/EWS/SC/ST/PwBD) in the prescribed format at the time of application. No exceptions.
Q7. Will there be any interview?
A7. No interview for Technical/Scientific Assistant or Library Assistant-A. Selection is based on written test and Skill/Trade Test (for Technical Assistants).
Q8. How is merit decided in case of a tie?
A8. If two candidates have equal marks in the written test, their academic performance in the qualifying exam (diploma/degree/PG) is used as a tie-breaker. If still tied, older candidate gets preference.
Q9. Are women candidates encouraged?
A9. Yes. VSSC actively strives for gender balance and encourages women to apply.
Q10. Can PwBD candidates apply for unreserved posts?
A10. Yes. PwBD candidates may apply for any post they are eligible for; they will be considered under general merit if the post is not reserved for PwBD.
For complete details, including age relaxations, annexures, and exact formats, please download the official ISRO VSSC Recruitment Notification 2025 here:
➡️ Download VSSC Recruitment Notification PDF
Use this PDF to:
Verify vacancy matrix and posting centres
Examine physical requirement codes and nature of job
Cross-check age limit and relaxation rules
Access formats for OBC/EWS/SC/ST/PwBD certificates (Annexures I–IV)
Obtain details on examination syllabus and selection norms
The ISRO VSSC Recruitment 2025 drive is a golden chance for diploma and degree holders in relevant engineering, science, and library disciplines to join India’s foremost space research institution. Mark your calendar for 04 June 2025 to 18 June 2025 and gather all requisite documents before starting your application. Carefully read the official PDF to confirm eligibility, ensure accurate document uploads, and choose your preferred exam cities. Once everything is in place, apply online early to avoid technical issues.
Ready to be part of India’s space journey? Download the official PDF, verify your eligibility, and apply online between 04 June 2025 and 18 June 2025. Best of luck!
Makeiteasy
.png)
.png)
“Download our app now to unlock a world of convenience and seamless access to our extensive range of features, including live and recorded classes, study material, Test series and thousand of practice questions—all at your fingertips!”
Leave a Comment