Our client, a leading company in the Defence & Security sector, is looking for a highly skilled FPGA Engineer to join their successful Power Products team within the Systems & Products department. This role is based in Glenrothes, Livingston, and offers a hybrid working environment. As a Principal Firmware Engineer, you will be at the forefront of architecting complete control solutions for one or more Power Products, integrating contributions from various engineering disciplines. This position represents a unique opportunity for an experienced digital engineer to make a significant impact on a range of Power Product developments. You'll thrive in a collaborative environment, working on exciting technology and product development projects. Key Responsibilities: Assessing customer requirements and deriving detailed FPGA/Firmware requirements for complex systems. Collaborating with the Principal Hardware Engineer to architect control solutions from concept through to final production. Conducting modelling and simulations for control functions to be verified and validated. Developing model-based design processes and tools for rapid controller development. Ensuring designs meet industry standards such as RTCA DO-254 or equivalent. Liaising with academia and industry experts. Job Requirements: Experience in VHDL-based FPGA design and verification techniques. Practical experience with FPGA technology from Xilinx, Altera, and/or Actel. Ability to debug and test new firmware designs and support module and system-level tests, verification, and integration. Strong understanding of circuit operation, with the ability to debug, diagnose, and implement fixes. Good problem-solving skills and a willingness to take ownership of tasks while contributing positively to cross-discipline teams. Proficiency in simulation tools like Matlab Simulink or Spice. Experience in system modelling. Proven technical leadership on development programmes. Experience interpreting customer specifications and end-use environments. Track record of working with customers to develop and manage technical requirements through product development. Excellent communication skills, with the ability to tailor communications to different audiences at all levels. Willingness to travel within the UK, Europe, and the US. Eligibility or current holder of SC security clearance. Desired Skills: Experience using Mentor Graphics tool suite, including DxDesigner, Constraints Editor, HyperLynx tools, Signal Integrity & Power Analyser, and SystemVision simulation, or equivalents. Strong analytical skills in circuit simulation and thermal analysis. Design experience with Inverter and Power Factor Correction power supplies and exposure to other topologies. Experience working with industry-standard toolsets, such as DOORS. Required Education/Experience: BEng/MSc/MEng/PhD in Electrical/Electronic Engineering or a related field, with specialisation in FPGA/Firmware/digital design techniques and embedded development. If you are a motivated FPGA Engineer with a passion for working on innovative projects in the Defence & Security industry, we would love to hear from you. Apply now to join our client's dynamic and talented team