Open CPI Engineer - DV Cleared

  • Defence
  • Romsey, Hampshire
  • Feb 25, 2026
Full time I.T. & Communications

Job Description


Our client, a prominent entity in the Defence & Security sector, is seeking a skilled Open CPI Engineer - DV Cleared to join their team. This contract role, based in either Romsey or Gloucester, requires a high level of security clearance and a deep understanding of SAP CPI, RF Test, RF Design, Embedded C/C++, and FPGA.


Key Responsibilities:
Engineering & Development
  • Design, develop and optimise OpenCPI components and applications for SIGINT and RF systems
  • 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
  • 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

Testing & Assurance
  • Define test plans aligned to customer requirements and acceptance criteria
  • Develop automated test harnesses and regression test environments
  • Identify defects, performance bottlenecks and integration risks early
  • Provide clear reporting and evidence for assurance and accreditation processes

Delivery & Customer Engagement
  • Work closely with Delivery Managers to ensure effective transition from design to deployed capability
  • Operate directly within customer-facing secure environments where required
  • Maintain strong technical credibility with National Security stakeholders
  • Highlight technical risks, dependencies and resourcing requirements early

Job Requirements:
Essential Skills and 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 systems


If you have the required skills and experience and are looking for a new challenge within the Defence & Security sector, we would love to hear from you. Apply now to become a key part of our client's innovative team.


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