Software Defined Radio Intern

About the Role

We are looking for a passionate SDR Intern to work on radio frequency (RF) systems and

software-defined radio technologies for Counter-UAS applications. The intern will assist in

RF signal monitoring, spectrum analysis, protocol investigation, and SDR-based

development activities used in drone detection and electronic warfare systems.

This role is ideal for students interested in wireless communications, RF engineering, signal

processing, and defence technologies.

Key Responsibilities

● Work with SDR platforms such as HackRF, USRP, BladeRF, LimeSDR, or RTL-SDR.

● Capture, analyze, and interpret RF signals using SDR tools.

● Perform spectrum monitoring and signal characterization across different frequency

bands.

● Assist in identifying and decoding wireless communication protocols.

● Develop basic SDR applications using GNU Radio and Python.

● Support RF testing, experimentation, and documentation activities.

● Participate in field testing and performance evaluation of CUAS systems.

● Prepare technical reports and maintain experiment records.

Required Skills

Technical

● Understanding of basic RF and wireless communication concepts.

● Knowledge of modulation techniques (AM, FM, ASK, FSK, PSK, QPSK, OFDM, etc.).

● Familiarity with SDR concepts and spectrum analysis.

● Basic understanding of antennas and propagation principles.

● Programming knowledge in Python.

● Familiarity with Linux environment.

Tools (Any Exposure Preferred)

● GNU Radio

● SDR++

● Universal Radio Hacker (URH)

● MATLAB / Simulink

● Wireshark

● HackRF / RTL-SDR / USRP platforms

Preferred Qualifications

● Pursuing B.Tech/B.E. in Electronics & Communication, Electronics Engineering,

Electrical Engineering, Telecommunication Engineering, or related fields.

● Experience in academic projects involving wireless communication, SDR, IoT, RF

systems, or embedded systems.

● Participation in hackathons, research projects, or defence-related initiatives is a plus.

● Understanding of signal processing concepts is desirable.

What We Look For

● Strong analytical and problem-solving skills.

● Curiosity for reverse engineering wireless systems.

● Ability to learn quickly and work independently.

● Interest in drones, electronic warfare, RF intelligence, and defence technologies.

● Hands-on engineering mindset with experimentation abilities.

Nice-to-Have Skills

● GNU Radio flowgraph development.

● Digital Signal Processing (DSP).

● RF measurements using spectrum analyzers or VNAs.

● Protocol analysis using URH.

● Basic knowledge of drone communication systems.

● Embedded systems exposure (STM32, ESP32, Raspberry Pi, etc.).

Sample Screening Criteria (for resume shortlisting)

Strongly Preferred:

● GNU Radio project

● SDR-based project

● RF communication project

● Wireless protocol analysis project

Good to Have:

● Python programming

● Linux usage

● DSP coursework

● Research paper/publication in wireless communication