Senior Software Engineer Locations: Onsite in Farnborough Job Type: Full Time Join the team redefining defence technology This organsiation engineer systems that save lives and deliver technologies that shape the future of defence. At the forefront of advanced cryptographic and key management solutions, enabling the secure exchange of critical information at both tactical and strategic levels. If you want to work on complex, meaningful problems in highly secure and demanding environments, this is your opportunity to make a real impact. The Role As a Senior Software Engineer, you will be part of a small, multi-disciplinary engineering team developing innovative solutions to complex customer challenges. Your work will span the full development lifecycle — from early research and rapid prototyping through to mature, fully released products. You will work flexibly across technologies, frameworks, and programming languages, collaborating closely with hardware, electronics, and mechanical engineers to deliver highly differentiated solutions. Key Responsibilitie Design, implement, and test software solutions across the full development lifecycle Develop software across a wide range of platforms, including: Bare-metal MCUs and signal processing Embedded Linux GUI development on Windows, Linux, and mobile platforms Data analytics using Jupyter Notebooks Program in languages appropriate to the solution, including Rust, C/C++, Python, and modern web frameworks Interface and collaborate with FPGA, electronic, and mechanical design teams Work in an agile environment, balancing requirements, schedule, and cost Produce high-quality documentation covering requirements, design, and testing Ensure secure handling of information in compliance with government and company security regulations Essential Requirements Eligibility for Developed Vetting (DV) Security Clearance Degree in an engineering, mathematical, or science-based discipline (or equivalent experience) Experience in at least one of the following: Embedded Linux application, kernel, or driver development C / C++ or Rust Strong understanding of: Software development lifecycles and best practices Object-Oriented Design and design patterns Software testing and design-for-test principles Desirable Skills & Experience GUI frameworks such as eGUI, GTK, or Tauri Yocto, PetaLinux, uBoot Python, Jupyter Notebooks, or MATLAB Web technologies: HTML, JavaScript, TypeScript, React iOS / Android development Communications protocols: TCP, QUIC, Wi-Fi GNU Radio and Software Defined Radio (SDR) FPGA development and exposure to hardware design Why this organisation? Work on cutting-edge cyber and defence technologies Be part of a highly skilled, collaborative engineering team Solve real-world problems in mission-critical environments Competitive salary and benefits package Opportunities for growth, learning, and long-term career development Your CV will be forwarded to Jonathan Lee Recruitment, a leading engineering and manufacturing recruitment consultancy established in 1978. The services advertised by Jonathan Lee Recruitment are those of an Employment Agency. In order for your CV to be processed effectively, please ensure your name, email address, phone number and location (post code OR town OR county, as a minimum) are included