RF Engineer / SDR Engineer – RF Security Research

Confidental 

📍 Delhi, India 🇮🇳

full-time
mid-level
on-site
Posted —

Key Skills

SDRGNURFFPGAWireless

Industry

TelecommunicationsAerospace

Job Description

  • 📍 Location: New Delhi (On-site)
  • 🕒 Employment Type: Full-Time
  • Experiance: 1–8 Years
  • Exceptional freshers with strong SDR, GNU Radio, FPGA, RF, Wireless Security, or Communication System projects are encouraged to apply.


Preferred Background

  • B.Tech/M.Tech in Electronics, ECE, Electrical Engineering, Telecommunications, Embedded Systems, Computer Science, or related fields.
  • Experience in R&D, Defence, Aerospace, Telecom, Satellite Communications, Wireless Security, or Cyber Security.
  • Participation in RF research projects, SDR projects, CTFs, or open-source contributions.


Role Overview

We are looking for a highly motivated RF Engineer with a strong RF Security Research mindset and hands-on experience in Software Defined Radio (SDR) , wireless communications, signal processing, protocol analysis, and security research.

The ideal candidate should enjoy exploring wireless technologies, reverse engineering protocols, building SDR-based communication systems, analyzing RF signals, and identifying vulnerabilities in wireless ecosystems.


Key Responsibilities

  • Design, develop, and test RF communication systems using SDR platforms.
  • Build and analyze signal processing flowgraphs using GNU Radio and GNU Radio Companion (GRC) .
  • Develop custom GNU Radio blocks
  • Perform RF signal capture, demodulation, decoding, and protocol analysis.
  • Conduct RF Security Research and vulnerability assessments of wireless systems.
  • Perform wireless protocol reverse engineering and threat analysis.
  • Develop Proof-of-Concepts (PoCs) for wireless security research.
  • Analyze RF traffic and identify anomalous behavior.
  • Develop FPGA-based DSP and communication modules.
  • Contribute to research projects involving SDR, wireless communications, and spectrum intelligence.
  • Document findings and prepare technical reports.
  • Work on Network-in-a-Box (NIB) solutions and private cellular network deployments using open-source telecom platforms such as OpenBTS, Open5GS, srsRAN, OpenAirInterface (OAI), Osmocom, YateBTS, GNU Radio, gr-gsm, gr-lora, SDRangel, and Asterisk .


Required Technical Skills

  • Software Defined Radio (SDR): GNU Radio, GNU Radio Companion (GRC), OpenBTS, SDRangel, GQRX, Inspectrum, Universal Radio Hacker (URH), SoapySDR, LiquidDSP
  • SDR Hardware Experience with one or more: USRP (B200/B210/N310/X310), HackRF, BladeRF, RTL-SDR, LimeSDR, PlutoSDR
  • Wireless Technologies: GSM / GPRS, LTE / VoLTE, 5G NR, Satellite Communications, RFID / NFC
  • Programming: Python, C, C++, Linux Shell Scripting
  • FPGA: FPGA Programming, Verilog / VHDL, DSP implementation on FPGA, RFSoC (Preferred)