Excellent opportunity for a talented DSP Engineer to work on advanced R&D, software-defined radio (SDR) platforms, and payload development for secure communications and intelligence systems. If you have experience in reverse engineering, signal analysis, and a passion for cutting-edge DSP technologies—this is your opportunity to make an impact. On Offer Salary - £55k - £75k - Negotiable D.O.E Hybrid working 4 day working week - 37.5 hours Benefits Pack Excellent career progression and skill up ops What You’ll Do: Reverse engineer RF systems to uncover vulnerabilities and enhance performance Design and develop DSP algorithms for real-time signal processing and SDR platforms Contribute to payload development for secure and future-proof communications systems Collaborate across hardware, software, and RF engineering teams Support lab testing, field trials, and system validation What You Bring: Proven experience with DSP algorithms, signal modulation/demodulation, and RF analysis Proficiency in Python, C/C++, and DSP development tools Hands-on knowledge of SDR platforms (e.g. GnuRadio) Background in R&D and real-world testing of complex RF systems Understanding of digital communication protocols and signal exploitation techniques Candidates must be willing and eligible to go through high level security clearance checks Desirable Skills: Experience with FPGAs (e.g. RFSoC), VHDL/Verilog Familiarity with Linux, GitLab, and collaborative DevOps environments Prior work in defence, intelligence, or covert communications systems O.K. I'm in what's next? Apply with your latest CV below