Structural / Stress Engineer (Nuclear) – Seismic & Blast (LS-DYNA / ANSYS) Location: Derby (Hybrid – 2/3 days WFH) Contract: 12 months Rate: £45–£50 per hour IR35: Outside IR35 We’re looking for a Structural/Stress Engineer with nuclear experience to support structural analysis work including seismic and blast/shock assessments. You’ll deliver high-quality FEA and clear substantiation reports to support design decisions on regulated projects. Key responsibilities * Structural/stress analysis and design substantiation in a nuclear environment * Seismic analysis (response spectra / time history as required) * Blast/shock/impact analysis support (as required) * Build, run and interpret FE models using LS-DYNA and/or ANSYS * Produce calculation packs, reports and clear engineering recommendations * Liaise with design and project teams to resolve technical issues Key requirements * Proven nuclear (or similarly regulated) engineering experience * Strong structural analysis / stress background * Experience delivering seismic analysis * Blast/shock analysis experience (or strong nonlinear dynamics exposure) * Proficient with LS-DYNA and/or ANSYS * Able to work independently and produce traceable, auditable documentation...