Senior/Principal Software Engineer

Overview

As a Principal Software Engineer, you will lead embedded software design for safety-critical systems, delivering robust, certifiable solutions. You’ll define architectures, drive integration and verification, and mentor engineers while engaging with customers to shape impactful, technology-led outcomes. This role sits in a high-stakes environment at the forefront of control and display systems for advanced aircraft. You will partner across teams to deliver reliable, standards-compliant software and influence engineering strategy.

Pay / Benefits

• reward tailored to you and family
• support for financial and personal wellbeing
• balanced lifestyle
• inclusive workplace
• career development and lifelong learning
• flexible working where applicable

Responsibilities

• Lead the design and development of embedded software including drivers, protocols, and human-machine interfaces with certification artefacts
• Define system and software architectures from requirements using modelling and simulation
• Drive integration, verification and validation within a safety-critical environment
• Provide technical leadership through mentoring, peer reviews and best practice
• Deliver reliable estimates including sizing and reuse
• Engage with customers to resolve technical challenges and shape solutions
• Contribute to engineering processes, design reviews and strategic decisions to ensure high-quality delivery

Key requirements

• degree or equivalent qualification in a Scientific/Engineering environment
• excellent Software Engineering skills with significant experience in C/C++
• extensive experience of Software Architecture Design using UML or other model-based techniques
• experience in UML for software design in tools such as CAMEO, EA, Rhapsody or integrity Modeler
• extensive experience interfacing software with hardware in a real-time environment
• experience with DO-178B/C Standards

• leadership
• mentoring
• customer engagement
• C/C++
• software architecture design
• UML/model-based design

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