ISRO Scientist/Engineer Career Guide — Complete Roadmap 2026

ISRO Overview

• ISRO (Indian Space Research Organisation): premier space agency; Chandrayaan, Mangalyaan, Gaganyaan
• Employs ~16,000 scientists, engineers, technicians; HQ Bengaluru; centres across India
• ISRO is under Department of Space (DoS); reports directly to PM; high-prestige government position

Recruitment Process

• ICRB (ISRO Centralised Recruitment Board): conducts exams for Scientist/Engineer SC (entry-level)
• Exam + Interview: written test; subject-specific technical; then document verification + interview
• Eligibility: B.Tech/BE (first class, 65%+) in relevant engineering; Computer Science, Electronics, Mechanical, Chemical, Civil

ISRO Scientist/Engineer SC Exam

• Two-tier: Tier 1 (Written) + Tier 2 (Interview); written is objective MCQ; subject-specific
• Electronics: Digital Electronics, Signals & Systems, Control Systems, Communication, VLSI
• Computer Science: Algorithms, OS, Networks, Database, Software Engineering, Compiler Design

Preparation Strategy

• GATE preparation heavily overlaps ISRO; solving GATE previous papers is the best strategy
• Specific to ISRO: space systems, satellite communications, remote sensing may appear; revise relevant topics
• Cut-off: varies by discipline; typically high (90th percentile equivalent); very competitive

Career at ISRO

• Scientist/Engineer SC → SD → SE → SF → SG (Director level); promotion based on evaluation
• Projects: assigned to satellite design, launch vehicle, mission operations, ground stations, application programmes
• R&D environment: researchers publish papers, file patents; international collaboration with NASA, ESA, JAXA

Salary and Benefits

• Scientist/Engineer SC: ₹56,100/month basic + HRA + DA + tech allowance; in-hand ~₹70,000–75,000
• Scientist SF and above: ₹1–1.5 lakh/month in-hand; accommodation in ISRO townships (Bengaluru, Thiruvananthapuram)
• Benefits: CPC pay, health care, LTC, PF, gratuity; high job satisfaction due to national importance

Alternative Entry Points

• IIST (Indian Institute of Space Science and Technology), Thiruvananthapuram: B.Tech → ISRO direct placement
• ISRO ICRB also recruits: Technician, Draughtsman, Scientific Assistant (diploma level posts)
• PhD at ISRO: ISRO funds joint PhD programmes with universities; research fellowships available