Senior/Principal Materials, Structures, and Thermal Engineer

NegotiableLondon, England


Permanent



Our client, an innovative early-stage company in the defence and security sector, is seeking a Senior/Principal Materials, Structures and Thermal Engineer to support the development of advanced air vehicles. This permanent role offers the opportunity to join a small, senior engineering team delivering a multi-year programme from initial concept through design, manufacture and testing. Working with technical leadership, the successful engineer will take ownership of structural and thermal design across the vehicle, lead materials selection and contribute to key technical decisions. The role will suit an experienced aerospace, UAV, drone or high-reliability engineering professional who enjoys autonomy, complex technical challenges and working in a fast-moving environment.Key Responsibilities:Lead materials selection for aerospace structures and components, balancing performance, manufacturability, cost and availabilityDevelop and maintain materials property data, coordinate supplier technical evaluations and oversee quality assurance for manufactured partsLead structural design from concept architecture through to detailed analysis, sizing and margin of safety assessmentsDevelop structural models using hand calculations, first-principles methods and Finite Element Analysis (FEA)Lead thermal design and analysis, including heat transfer modelling, temperature estimation, insulation and thermal management studiesInterpret thermal and structural analysis results against test data and support design reviews and trade studiesPresent technical findings to technical and non-technical stakeholders, including investors and commercial partnersProvide technical leadership and mentoring while contributing to roadmapping, product development and relevant quality, safety and security standardsJob Requirements:Degree or higher in Aerospace Engineering, Mechanical Engineering, Materials Science or a related disciplineSignificant experience in materials, structures and/or thermal engineering within aerospace, UAV, drone, defence or another high-reliability sectorExperience across the full design lifecycle, from concept architecting through to detailed structural analysis and testingProficiency with FEA tools such as ANSYS, Abaqus, Nastran or similar, alongside strong hand-calculation and first-principles analysis skillsPractical experience in materials selection, properties characterisation, supplier management and quality assuranceExperience in thermal analysis and heat transfer modelling, including thermal insulation and management trade-offsStrong analytical, problem-solving, communication and technical leadership skills, with the ability to work effectively in a lean teamRight to work in the UK and eligibility to obtain UK Security Check (SC) clearance, with no existing clearance requiredDesirable Skills and Experience:Experience with thermal analysis software such as Thermal Desktop, ANSYS Thermal or similarUnderstanding of design for manufacture, joining methods, composite materials and/or additive manufacturingFamiliarity with Python, MATLAB or similar scripting tools for analysis automationExperience in a defence, government or start-up environmentChartered Engineer status or progress towards chartershipExperience mentoring or leading small technical teamsPersonal Attributes:Collaborative, self-motivated and comfortable working with a high degree of autonomyPragmatic and resourceful, with the ability to balance engineering rigour and delivery paceConfident communicating complex technical information to varied audiencesCommitted to high standards of integrity, discretion and technical qualityBenefits:Opportunity to influence the development of an advanced defence air vehicle from the ground upSignificant technical ownership within a senior, close-knit engineering teamLong-term involvement in a funded, multi-year development programmeOpportunities for professional development, mentoring and equity participationIf you are an experienced Materials, Structures and Thermal Engineer seeking an influential role in aerospace, UAV, drone or defence engineering, apply now to contribute to the development of next-generation air vehicle technology.