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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Systems Engineer - **Company:** Callen Lenz - **Location:** Salisbury, UK - **Experience:** Expert - **Salary:** £50,000.0 - £65,000.0 - **Contract:** Permanent contract - **Skills:** Systems Engineering, SolidWorks (CAD), MATLAB, Software Tools, DOORS (Software), Safety Critical Systems - **Published:** September 8, 2026 - **Apply:** https://www.collegerecruiter.com/job/2840694406-senior-systems-engineer ## About the Role * Demonstrable knowledge of systems engineering, preferably in aerospace. * Knowledge of applied system engineering principles * Competent in practical integration tasks either using software or hardware-based rigs. * Excellent communication and presentation skills * Report writing and information dissemination/presentation * Proficiency in spoken and written English * Able to maintain a high level of confidentiality * Ability to hold a Security Clearance, * Design or systems engineering experience in UAS and associated systems * Systems engineering experience through the whole lifecycle in an aerospace or related environment. * Familiarity with common engineering tools, for example DOORS, Solidworks, MATLAB or equivalents * Knowledge of related aerospace and equipment qualification standards, including Mil-Stds, RTCA or equivalent * Knowledge of safety critical systems, * Must be a British Citizen or have an existing right to work in the UK * Ability to commit to national and international travel * Team player who is capable of working autonomously * Excellent verbal and written communications skills * A professional and proactive approach * Ability to hold MOD clearance * Interest in aviation ## Description As an Senior Systems Engineer your role will be to design, develop and test avionic systems engineering outputs for crewed and uncrewed aircraft. Reporting to the Systems Engineering Manager and working as part of a multi-disciplinary team, this exciting role will place the right candidate at the forefront of UAS development in the UK. You'll be responsible for the avionics development and integration for new and existing platforms, including the exploitation of emerging technologies. This will involve all aspects of design, development and test associated with aircraft electronic systems; including flight control, navigation, communication, sensor, payload, aircraft management and ground control systems., * Design and development of avionics systems for uncrewed air systems, including, navigation, communication, payloads, aircraft management and command & control (C2) systems. * Integration of systems, including other air vehicle systems such as power plant, fuel systems and payloads. * Support wider aircraft systems design, such as cabling and loom/wire harness design. * Assessment of system and subsystem failures and impacts to other systems * Support and enable flight test development activities, including field work * Generation and maintenance of documentation, for products and internal processes * Develop and maintain test facilities and tools * Perform other related duties as required Health and Safety * Demonstrate in daily activities a commitment to health and safety in the workplace by always ensuring tasks are performed in the safest possible manner * Report all hazards and incidents that the individual is party to, or observes, in the correct manner. * When required or directed, participate in any health and safety training. ## Related Videos - [Robots are coming into the wild! Full-Stack Robotics Engineers, be ready!](https://www.wearedevelopers.com/videos/479-robots-are-coming-into-the-wild-full-stack-robotics-engineers-be-ready) - [XR Demystified: Separating Facts from Fiction in 2024](https://www.wearedevelopers.com/videos/1117-xr-demystified-separating-facts-from-fiction-in-2024) - [ Secure Code Superstars: Empowering Developers and Surpassing Security Challenges Together](https://www.wearedevelopers.com/videos/422-secure-code-superstars-empowering-developers-and-surpassing-security-challenges-together) - [Leveraging Large Language Models for Legacy Code Translation: Challenges and Solutions](https://www.wearedevelopers.com/videos/1157-leveraging-large-language-models-for-legacy-code-translation-challenges-and-solutions) - [Software stack under and over the hood of the fastest accelerating car in the world](https://www.wearedevelopers.com/videos/221-software-stack-under-and-over-the-hood-of-the-fastest-accelerating-car-in-the-world) - [Building a hypercar from scratch](https://www.wearedevelopers.com/videos/607-building-a-hypercar-from-scratch) ## Related Articles - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Top Characteristics of a Software Engineer](https://www.wearedevelopers.com/magazine/166-top-characteristics-of-a-software-engineer) - [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering) - [Is Software Engineering Hard?](https://www.wearedevelopers.com/magazine/448-is-software-engineering-hard) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers)