Job Title: System Software Engineer Location: Luton, UK Contract Type: Contract Rate: GBP £60 - £70/hr (Inside IR35) Onsite Requirement: 4 days/week at the customer location Eligibility: British Nationals Only Industry Background: Aerospace, Aviation, or Defence Job Description: We are seeking an experienced System Software Engineer to join our team on a contract basis. The ideal candidate will have a strong background in aerospace, aviation, or defence and will work on cutting-edge embedded software solutions in a collaborative, multi-disciplinary environment. This position offers a competitive rate and the opportunity to work in a high-profile engineering project. Required Skills: Full software lifecycle experience, including Requirements Management, Design, Implementation, Test, and Integration. Strong proficiency in UML and C++11 and above. Solid experience in Object-Oriented Design (OOD) techniques. Experience delivering software using agile methodologies such as Scrum and tooling including Jira, Confluence, Bitbucket, and Gitlab. Familiarity with RTCA 178C DAL C Design Assurance or similar design assurance standards. Matlab Simulink, Cameo, DOORS, Dimensions, or similar tools experience will be advantageous. Job Responsibilities: Develop and maintain embedded software solutions using RTOSs such as VxWorks or embedded Linux. Deploy software to multi-core or distributed hardware platforms. Collaborate with firmware and hardware engineers to develop embedded solutions. Use C++11 and above and other scripting languages for software development. Ensure software development adheres to airborne software design standards, including RTCA 178C and coding standards like MISRA C/C