Contract Software Engineer (DV Cleared) 6 Months (Initially) Romsey OR Gloucester for On-site Work €(Apply online only) per day (Inside IR35) iO Associates is proudly partnering an R&D client, specialising in developing cutting-edge technology for our National Security. We are looking for a Software Engineer who holds a current DV clearance to join the team on an Initial 6 month basis (with a high likelihood of extension). The role itself will involve designing, developing and optimising OpenCPI components and application for SIGINT and RF Systems. Along with the additional tasks below: Integrate OpenCPI solutions onto FPGA-based and embedded SDR platforms. Support system architecture, trade studies, and technical design decisions. Ensure robust, scalable and reusable OpenCPI-based implementations.Key Responsibilities Involve: Engineering & Development Develop OpenCPI workers and containers in C/C++ and HDL (VHDL/Verilog where required). Integrate DSP chains into FPGA and embedded Linux environments. Conduct trade-off analysis across performance, latency and resource utilisation. Support hardware/software integration in secure lab and customer environments.Knowledge, Skills & Experience: Demonstrable hands-on experience with OpenCPI framework. Strong C/C++ development in embedded or Linux environments. Understanding of digital signal processing (DSP) principles. Experience integrating FPGA-based platforms (e.g. Xilinx or Intel toolchains). Experience working within secure National Security or MOD environments. Ability to troubleshoot complex integration and performance issues. Experience working with SDR and RF signal processing systemsDue to the nature of the work, this is an on-site role. We can only consider contractors who have an active DV clearance for this position. If you’re interested, please apply to the link for consideration