A well-established technology organisation is looking for a Senior Software Engineer to join its growing software engineering function. The business develops advanced control, display, and mission-critical systems used across safety-critical environments. They are looking for experienced software engineers who can take ownership of technical delivery, mentor junior engineers, and contribute throughout the full software development lifecycle. Due to the nature of the role, it is required that candidates must be a sole British citizen and eligible to obtain security clearance. The Role As a Senior Software Engineer, you'll play a key role in the design, development, integration, and verification of embedded software solutions for complex real-time systems. Working within multidisciplinary engineering teams, you'll be involved from requirements capture and architecture definition through to integration, testing, and deployment. You'll also provide technical leadership, support less experienced engineers, and contribute to engineering best practices across multiple projects. From a technical perspective, you will work with the following: * Embedded C / C++ * UML or other recognised model-based design techniques * UML for software design in CAMEO, EA, Rhapsody or integrity Modeler * Interfacing software with hardware and development to DO-178B/C Standards About You You'll ideally bring: * Strong commercial experienc...