Senior Embedded Software Engineer

Job Description

We are a fast-moving, innovation driven organisation operating at the sharp end of Air Intelligence, Security, and Counter-UAS technology. Our Airspace Intelligence System fuses advanced RF sensors, passive radar technologies, and multi domain data streams to elevate situational awareness and enhance operational resilience.

Application Deadline: 3 April 2026

Department: Software

Location: Havant

Compensation: £65,000 - £70,000 / year

We are seeking an exceptional Senior Embedded Software Engineer to join our elite technical team. This is a high impact role where you will be instrumental in developing and optimising embedded firmware for our next-generation counter-drone platforms. You will work on mission-critical systems that demand the highest levels of performance, reliability, and security.

Working with state of the art hardware, you will design and implement sophisticated embedded solutions that integrate advanced cryptographic security measures to protect sensitive military communications and operational data.

Whilst this role is mostly remote, occasional travel to our offices in Hampshire and some wider UK and international travel will be required.

Due to the nature of our work, successful candidates must be eligible to obtain and maintain UK Security Clearance (SC level). This typically requires you to have been a resident in the UK for at least 3 of the last 5 years.

Key Responsibilities

• Design, develop, and optimise embedded firmware in C++ and Python for defence grade UAS systems
• Lead the architecture on technical design choices
• Develop and maintain embedded software for RPi5 and RP2350 based platforms
• Create efficient, real-time firmware for RF signal processing and threat detection systems
• Conduct thorough code reviews, static analysis, and security audits to meet defense industry standards
• Collaborate with hardware engineers to optimize system performance and resource utilisation
• Develop and maintain comprehensive technical documentation for safety-critical systems
• Participate in system integration testing and field trials with military and other end users
• During the development process, it will sometimes be essential to participate, in person, in tests at Lavant

Skills, Knowledge and Expertise

• Degree in Computer Science, Software Engineering, Electronic Engineering, or related discipline (or equivalent demonstrable experience)
• Expert level proficiency for embedded Linux systems development (6+ years)
• Moderate level proficiency in C++ and Python
• Experience with version control systems (Git) and modern development workflows
• Proficient use of GitHub, branches and GitHub Actions

Highly Desirable Skills

• Experience developing firmware for defence, aerospace, or safety-critical applications.
• Willing to develop in Rust for software development.
• Understanding of embedded security concepts and best practices.
• Strong understanding of communication protocols such as I2C
• Knowledge of RF signal processing and software-defined radio (SDR) concepts
• Basic experience with Matlab, including familiarity with Numpy and Matlab to C++ code generation workflows.
• Knowledge of Docker Containers
• Ability to configure and manage Google Cloud instances including virtual machines and cloud storage

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