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Expleo Group

Senior Design Authority

Expleo Group

. Serve as Technical Lead across development programmes .

Posted 11/2/2026full-timeKidderminster • United KingdomSeniorWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates extensive experience in leading engineering teams through the entire development lifecycle, with a strong focus on DFMEA, compliance with regulatory standards, and technical documentation. Proficient in CAD design using Creo and managing projects in safety-critical environments.

Highest-signal resume keywords
DFMEA ManagementEngineering LeadershipCAD Design Using CreoRegulatory Standards ComplianceTechnical Documentation

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
DFMEACAD DesignStress AnalysisThermal AnalysisBallistic AnalysisProject ManagementEngineering MathematicsManufacturing TechniquesTrials Assessment TestingRocket Motor Design
Soft Skills
Strong Communication SkillsAttention to DetailTime ManagementTeamworkProblem-Solving
Tools & Technologies
Microsoft OfficePowerPointExcelWord
Certifications & Qualifications
Chartered Engineer (CEng)SC Level Clearance
Industry Keywords
Safety-Critical EnvironmentEN9100DEF STAN 07-085Design for ManufactureDesign to Cost

About the role

Key responsibilities & impact
  • Serve as Technical Lead across development programmes
  • Lead engineering teams through concept design, demonstration, development, qualification, production, and customer in-service support
  • Manage design evolution to meet customer requirements
  • Clear detail production drawings and ensure conformance to BS8888 and manufacturability
  • Lead and complete DFMEAs
  • Approve production processes and tooling
  • Demonstrate compliance with customer requirements
  • Specify and review structural, thermal, and ballistic analyses
  • Review key suppliers’ manufacturing methods and control procedures
  • Specify, monitor, and report rocket motor trials
  • Lead trials readiness reviews
  • Support customer Improvement Plans
  • Adhere to internal EN9100 processes, particularly the RD2 process, and share Technology Readiness Levels and Class of Difficulty Assessments
  • Produce and deliver formal technical presentations to customers
  • Produce product technical specifications and detailed technical reports
  • Ensure appropriate validation testing before formal qualification
  • Lead formal design reviews including PDR, DDR, and CDR, and ensure actions are completed on time
  • Produce the Certificate of Design for the rocket motor and associated qualification reports, compliance matrix, and safety case
  • Act as customer technical interface with missile prime contractors and end users
  • Lead technical investigations
  • Liaise with business teams, manufacturers, suppliers, and customer specialists
  • Arrange and manage structural testing, rocket motor firings, laboratory-scale testing, and other trials
  • Disassemble and assess fired rocket motor hardware
  • Promote zero harm and comply with Health, Safety, and Environmental policies and procedures
  • Perform other duties requested by the business

Requirements

What you’ll need
  • Formal qualification at degree level or equivalent in mechanical, aeronautical, physics, or related engineering discipline, OR a fully time-served engineer with a recognised apprenticeship and/or significant demonstrable experience in a related discipline
  • Ability to gain SC level of clearance
  • Ability to work on the client site near Kidderminster 5 days per week initially; opportunity to work 1 day per week from home after onboarding
  • Experience working within a safety-critical environment
  • Very high level knowledge and experience of DFMEA, including setting up and managing DFMEAs, identifying key manufacturing and design processes, and identifying key design characteristics
  • Experience working with regulatory standards
  • Engineering leadership/management experience
  • Strong written and verbal communication skills
  • Understanding of CAD design using Creo, stress analysis, thermal analysis, ballistic analysis, solid propellants, materials, trials, production engineering, and project management
  • Ability to manage projects through the entire engineering development lifecycle
  • Proven experience as a Design Authority
  • Significant proven experience in an engineering team environment developing products to meet customer requirements
  • Sound understanding of engineering mathematics, stressing, materials, and manufacturing techniques
  • IT literacy and experience with Microsoft Office tools including PowerPoint, Excel, and Word
  • Interest and aptitude in the theory and practical aspects of engineering, particularly rocket motor design
  • Ability to assimilate and evaluate technical information from multiple disciplines with high attention to detail
  • Ability to present complex problems clearly and logically to specialist and non-specialist engineers
  • Experience with safety-critical products and regulatory standards such as DEF STAN 07-085
  • Excellent document and report writing skills
  • Trials/assessment testing experience, such as structural testing or vibration testing
  • Desirable: Professional membership or Chartered Engineer (CEng) status
  • Desirable: Understanding of DFMEA, Design to Cost, and Design for Manufacture principles
  • Desirable: Experience with bids and commercial management in Defence, Automotive, or Manufacturing Engineering
  • Desirable: Experience managing within an EN9100 or Quality Management System culture
  • Desirable: Proven experience leading a technical development programme as a Design Authority
  • Rocket motor experience desired but not essential
  • Ability to demonstrate behaviours aligned with Commitment, Innovation, Trust, and Teamwork
  • Ability to manage time and prioritise tasks

Benefits

Comp & perks
  • Collaborative working environment
  • Opportunities to expand skills and participate in inspiring projects
  • Expleo Academy accredited training courses
  • Competitive company benefits
  • Hybrid working opportunity after onboarding: 1 day per week from home
  • Inclusive and accessible recruitment process
  • Reasonable adjustments and ongoing workplace support for disabled employees