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Contractor 12
Engineering principal structural engineer

12 principal structural engineer jobs found

CL
Mar 04, 2026  
Principal Structural Engineer
World Class Defence Organisation based in Stevenage, Hertfordshire is currently looking to recruit a Principal Structural Engineer subcontractor on an initial 12 month contract, with very likely extension.  The role will be onsite 4 days per week.     Candidates with a FE / FEA background ( Structural Engineer / Structural Analysis / Stress Engineer ) ideally from the Defence / Aerospace industry would be suitable for this position. Rate: £50.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage Hybrid / Remote working: The role will be onsite 4 days per week.  a 4-Day week of Monday to Thursday is possible. Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   Principal Structural Engineer Job Description: The Mechanical Analysis Group are looking for a Principal...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Mar 04, 2026  
Principal Structural Engineer
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...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Mar 04, 2026  
Principal Structural Engineer
The Mechanical Analysis Group are looking for a Principal Structural Engineer to join its team in Stevenage. The group consists of over 30 engineers working across a wide spectrum of cutting-edge military systems. Working for an internationally recognised company, you will play a critical role in ensuring that products deliver the necessary performance against key structural. What are we looking for? * Degree qualified in a STEM subject. * Proven ability to carry out structural analysis through the application of hand calculations and Finite Element methods (e.g. Hypermesh, Optistruct, etc.) with experience in one or more of the following areas: * Static, dynamic, fatigue analysis; * Metallic/composite analysis; * Finite Element optimisation & Design of Experiments; * Assessment of mechanisms and multi body dynamics; * Crash analysis. * Ability to make quick/simple assessments to progress design activities in an efficient manner. * Self-motivated individuals, who are great...
IR35 Status:
Unknown Status

CV-Library Stevenage, Hertfordshire Contractor
CL
Mar 04, 2026  
Principal Structural Engineer 3167-1
Principal Structural Engineer Stevange, Hertfordshire Our client, a leading entity within the Defence & Security sector, is seeking a Principal Structural Engineer to join their esteemed Mechanical Analysis Group in Stevenage. This contract role promises to place you at the cutting edge of military systems engineering, working within a team of over fifty engineers. Key Responsibilities: Ensuring product performance against key structural requirements Carrying out structural analysis using hand calculations and Finite Element (FE) methods Working with the Altair FE toolset, and other FE codes such as NASTRAN or ANSYS Engaging in static, dynamic, and fatigue analysis Assessing both metallic and composite structures Optimising Finite Element models and conducting Design of Experiments Evaluating mechanisms and multi-body dynamics Performing crash analysis Job Requirements: Degree qualified in a STEM subject Proven structural analysis skills with experience in Altair, NASTRAN,...
IR35 Status:
Unknown Status

CV-Library Stevenage, Hertfordshire Contractor
CL
Mar 04, 2026  
Principal Structural Engineer
£50 UMB Overview of department: The Mechanical Analysis Group are looking for a Principal Structural Engineer to join its team in Stevenage. The group consists of over fifty engineers working across a wide spectrum of cutting-edge military systems. Responsibilities: Working for an internationally recognised company, you will play a critical role in ensuring that the organisation’s products deliver the necessary performance against key structural requirements. Skillset/experience required: • 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 &...
IR35 Status:
Unknown Status

CV-Library Stevenage, UK Contractor
CL
Mar 04, 2026  
Principal Structural Engineer
Job Title Principal Structural Engineer Stevenage 4 days onsite, 1 WFH Contract Details 12 month contract £50 per hour Inside IR35 Overview A leading engineering organisation operating in the defence and advanced systems sector is looking to engage a Principal Structural Engineer to support complex mechanical analysis activities. You will join an established structural analysis function working on high integrity, safety critical products. This role suits someone who is technically strong, decisive, and comfortable owning complex analysis tasks from concept through to delivery. Key Responsibilities You will be responsible for delivering high quality structural analysis to ensure products meet demanding performance and regulatory requirements. The role involves supporting design teams with both detailed and rapid assessments to enable efficient design progression. Required Skills and Experience Degree qualified in a STEM subject. Strong background in structural analysis...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Mar 05, 2026  
Principal Structural Mechanical Engineer
Principal Structural Mechanical Engineer JOB LOCATION: Stevenage SECURITY CLEARANCE LEVEL: SC to Start DURATION: 12+ Months (Possible Extension) WORK PATTERN: Min 4 Days a Week on Site; Possibly 1 Remote - Compressed Week Potentially Available. PAY RATE: £ 50 Per Hour Umbrella Inside IR35 Essential QUALIFICATIONS Ideally degree qualified; STEM subjects. TARGET INDUSTRIES AND COMPANIES. Is Defence a must? If not what industries can be considered Ideally Def/Aero background. Open to others if skillset matches. Essential Skillset & Tools Alter FE toolset; experience in alternative FE codes would be considered (). As Seen on JD. Overview: The Mechanical Analysis Group are looking for a Principal Structural Engineer to join its team in Stevenage. The group consists of over fifty engineers working across a wide spectrum of cutting-edge military systems. Responsibilities: Working for an internationally recognised company, you will play a critical role in ensuring that products deliver...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Feb 28, 2026  
Civil Technical Engineering Manager (Ancillary Works)
Job Title Civil Technical Engineering Manager - Ancillary Works Location: London or Bristol (hybrid working), with regular travel to the Sizewell C site in Suffolk Contract: Inside IR35, ongoing Closing Date: 17 February 2026 ________________________________________ Job Purpose / Overview The Engineering & Technical (E&T) function is a fundamental part of the Civil Works Programme, responsible for defining and assuring the design, engineering, and technical requirements across the project. The team leads the full lifecycle of design delivery-from requirements definition through to final acceptance-while managing budgets, resources, and supply chain interfaces. It also ensures constructability and effective design coordination across Civil Works, Site Establishment, and Off-Site Infrastructure. As Civil Technical Engineering Manager - Ancillary Works, you will support the definition and validation of technical requirements and specifications, working closely with...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Mar 04, 2026  
Principal Mechanical Design Engineer
Principal Mechanical Design Engineer JOB LOCATION: STEVENAGE OR BRISTOL SECURITY: SC - Potential BPSS start (UKEO) DURATION: 6+ Months (Extension Possible if Meeting Expectations) TYPE: Contract WORK PATTERN: 4 days a week on site; 1 remote (flexible over start/finish time). PAY RATE: £ 50 /hr (Umbrella Inside IR35) Essential QUALIFICATIONS Beneficial- HND or HNC in Mech Engineering TARGET INDUSTRIES AND COMPANIES. Is Defence a must? If not what industries can be considered * Preferable for Def/Aero; if hitting the skills on JD, open to others; automotive, oil & gas etc. Essential Skillset & Tools * Experience using Creo 3D design tool Essential- Knowledge of the following: * Manufacturing processes * Tolerance studies * Mass property calculations * Material selection * FMEA * Design for Manufacture/Assembly * Structural design * Product Lifecycles * Industrial validation * An ability to work as part of a multifunctional...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Mar 04, 2026  
Senior OHL Design engineer
Your primary focus in the role of Principal Overhead Line Engineer to provide project technical support and leadership for the overhead lines teams on transmission projects. This team will work on various projects encompassing overhead transmission lines up to 400kV. Provide technical support and lead the team in delivering overhead line design on complex multi-discipline projects. Provide technical expertise in bids and proposals and represent the company in client meetings as Principal Engineer, applying your experience and expertise to a range of exciting and interesting projects. Take full responsibility for project scope and technical delivery of overhead line works. Provide expert technical evaluations and offer problem-solving solutions to different team members. Support in writing proposals and outlining all project details, including the timeline, resources, budget, objectives, and goals. Provide the technical support and input throughout the project implementation,...
IR35 Status:
Unknown Status

CV-Library United Kingdom Contractor
CL
Mar 05, 2026  
Principal Firmware Engineer
Principal Firmware Engineer Luton Paying up to £80p/h (Umbrella) Responsibilities: Artificial Intelligence, including machine learning and genetic algorithms Auto-generated code using model-driven engineering using MATLAB and Simulink tools Design tools such as Xilinx, TCL, Verilog, System Verilog and UVM Derivation of detailed Firmware requirements and architecture from system requirements A structured approach to firmware design (RTCA DO-254 or similar) Experience required: FPGA architectures such as Xilinx 7. Xilinx UltraScale; Intel (Altera) or Microsemi (Actel). Fast interfaces such as PCIe, Ethernet, and JESD is also required. Cryptography and anti-tamper techniques Electronics test methods and equipment HNC/HND or Undergraduate Degree (Electronic Engineering, Computer Science, AI, Games Programming, Physics, or Applied Physics), or you may just have lots of skills and experience gained through your hard work. Due to the nature of our work, any candidate must have 5...
IR35 Status:
Outside IR35

CV-Library Luton, Bedfordshire Contractor
CL
Feb 28, 2026  
Principal Software Engineer
Contract Software Engineer (Ada) – Real-Time Embedded Location: Luton (Hybrid – ~4 days on-site) Contract Length: 12 months IR35: Inside IR35 Rate: £57.72 p/h PAYE (£66.11p/h inc. holiday rate) OR £78.70 p/h Umbrella We seek an engineer with recent high-integrity or safety-critical industry experience (defence, aerospace, or similar), or eligible for UK security clearance. The Opportunity We’re looking for an experienced real-time embedded Ada engineer to work on mission-critical defensive systems within a highly technical electronic warfare environment. This is a hands-on role developing, integrating, and testing high-integrity software that directly supports operational capability. You’ll be trusted with complex problems, work closely with systems, hardware, and firmware teams, and play a key role across the full software lifecycle. What You’ll Do Design, develop, debug, and test real-time embedded software in Ada Own complex work packages from requirements through...
IR35 Status:
Inside IR35

CV-Library Luton, UK Contractor
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