On behalf of our client, we are seeking to recruit a Principal Structural Engineer on an initial 12-month contract. As the Principal Structural Engineer, you will play a key role in delivering high-quality structural analysis across a range of advanced defence systems, supporting design development and ensuring compliance with critical structural requirements.Role: Principal Structural Engineer Pay: 50 per hour Via Umbrella Location: Stevenage Contract: Monday- Friday, 37 Hours per week, 12 Months Contract IR35 Status: Inside Security Clearance: SC Required before starting Responsibilities Perform and lead structural analysis using hand calculations and Finite Element methods.Provide technical expertise across static, dynamic, fatigue, and crash analysis.Develop and optimise FE models to support and improve design solutions.Deliver rapid structural assessments to support efficient design progression.Communicate analysis results clearly to influence design and support stakeholders Essential Skills: Degree qualified in a STEM subject.Proven ability to carry out structural analysis through the application of hand calculations and Finite Element (FE) methods. Proven experience in the Altair FE toolset is preferred, although experience in alternative FE codes such as NASTRAN, ANSYS etc. will be considered.Experience in one or more of the following areas: Static, dynamic, fatigue analysis;Metallic/composite analysis;Finite Element optimisation and Design of Experiments;Assessme