BARC uses valid GATE scores to shortlist candidates for a written test and interview. Only candidates with a GATE score above the BARC-specified cutoff in the relevant discipline are eligible to apply. Shortlisted candidates then appear for a BARC-conducted technical written test (focused exclusively on the core engineering/science subject) and a Personal Interview with BARC scientists. The final selection is based on GATE score, written test performance, and interview score combined.

BARC Scientific Officers are placed in Grade SO/C, which falls under the DAE pay scale with a starting basic pay of approximately Rs. 56,100 per month. The total CTC including allowances such as HRA, Transport Allowance, and other benefits reaches approximately Rs. 10–14 lakh per annum. Employees working in atomic energy facilities also receive additional allowances for hazardous duty. The pay scale is covered under the Central Government 7th Pay Commission framework.

The BARC interview is a rigorous technical panel interview conducted by senior BARC scientists. Candidates are assessed on depth of knowledge in their core subject, analytical ability, research aptitude, and awareness of nuclear science and BARC projects. The interview typically lasts 30–45 minutes and may include problem-solving questions on the whiteboard. Candidates should prepare thoroughly on their GATE subject, nuclear energy technology, and BARC's research areas including reactor design, material science, and nuclear instrumentation.

Yes, newly recruited BARC Scientific Officers undergo the OCES (One-Year Course for Engineering/Science Graduates) training programme at BARC Training School, Mumbai. This is a one-year intensive residential programme covering nuclear science, reactor technology, radiation safety, and related subjects. After successful completion of OCES, officers are posted to various BARC divisions or DAE units. There is a bond period associated with OCES training, and leaving during or immediately after training involves financial recovery.

BARC Scientific Officers start at SO/C and can grow to SO/D, SO/E, SO/F (Scientist G equivalent), and SO/H through research output and promotions. BARC offers opportunities in reactor physics, nuclear instrumentation, materials research, isotope production, accelerator-based research, and computer science applications. Scientists with outstanding research contributions can be elevated to Distinguished Scientist and Homi Bhabha Chair positions. BARC also collaborates with international agencies (IAEA, ITER), providing global exposure.