{"id":292089,"url":"https://alion.io/job/alten-principal-aerostructures-engineer","title":"Principal Aerostructures Engineer","company":{"id":52934,"name":"ALTEN","domain":"alten.com","url":"https://alion.io/company/alten-com","size_band":"5000+","is_staffing_agency":false,"employer_type":"staffing","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":{"grade":"B","score":76,"open_postings":83,"ghost_share":0,"stale_share":0.976,"repost_share":0,"time_to_fill_p50_days":27,"computed_at":"2026-10-29T05:49:05Z"}},"role":"Aerospace","role_family":"Aerospace","seniority":"lead","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Bristol, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":72000,"max_usd":165000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":95},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-08-12T14:07:34Z","employer_posted_date":"2026-08-12","last_verified_at":"2026-10-29T06:26:48Z","board_verified":true,"closed_at":null,"days_open":77,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":77},"description":"ALTEN is a global engineering and technology consultancy operating across over 35 countries worldwide. We partner with industry leaders across sectors including Aeronautics, Aerospace, Defence, Naval, Automotive, Energy, Rail, IT and many more to deliver innovative engineering solutions that drive technological advancement & support sustainable transformation.\nOur teams of passionate and agile engineers work on cutting-edge projects that shape the future of technology and sustainability. At ALTEN, we empower talented engineers to innovate, solve complex challenges, and deliver impactful solutions that build tomorrow’s world-today.\nJoin us and start building tomorrow’s world today!\n As a Principal Aerostructures Engineer you will join our aerospace engineering team to support our activities within the aviation sector\nYou will play a critical role in ensuring the airworthiness, compliance, and certification of aerostructural designs in accordance with EASA/UK CAA Part 21 requirements. Acting as a key technical authority within the Design Organisation Approval (DOA) framework, you will review, verify, and approve structural engineering deliverables, ensuring the highest standards of safety, quality, and regulatory compliance are maintained throughout the design lifecycle.\nLocation: Bristol\nOn Site: Hybrid\nClearance: Clearable\nExperience Level: Senior 5+ years of experience\nKey Responsibilities:\nReview and approve aerostructural designs in accordance with Design Organisation Approval (DOA) requirements\nEnsure compliance with EASA and UK CAA Part 21 regulations and applicable certification standards\nAssess and approve composite and metallic structural designs, analyses, and associated engineering documentation\nVerify that engineering outputs meet airworthiness, safety, performance, and regulatory requirements\nSupport certification activities and provide airworthiness guidance throughout the product development lifecycle\nReview structural substantiation reports, stress analyses, and design justifications\nProvide technical oversight during design reviews and certification audits\nCollaborate with design, stress, manufacturing, and certification teams to ensure compliance objectives are achieved\nSupport investigations into design issues, non-conformities, and airworthiness concerns\nContribute to the continuous improvement of DOA processes, procedures, and compliance practices\n Required Skills:\nStrong knowledge of EASA and/or UK CAA Part 21 regulations\nExperience working within a Design Organisation Approval (DOA) environment\nExtensive understanding of aerostructures, including metallic and composite structures\nExperience reviewing and approving structural engineering data and certification documentation\nKnowledge of airworthiness regulations and aerospace certification processes\nStrong technical judgement and decision-making capability\nExcellent communication and stakeholder management skills\nAbility to interpret engineering analyses, substantiation reports, and compliance documentation\nRequired Qualifications:\nA Bachelor’s or Master’s degree in Engineering, or equivalent military experience.\nSignificant experience within aerospace structural design, stress, airworthiness, or certification engineering\nPrevious experience operating within a regulated aerospace environment\nDemonstrable experience supporting aircraft certification programmes\nDesirable Skills:\nExisting DOA Signatory or Approver authorisation\nExperience with both fixed-wing and rotary-wing aircraft programmes\nKnowledge of CS-23, CS-25, CS-27, or CS-29 certification requirements\nExperience supporting certification audits and regulatory authority interactions\nFamiliarity with fatigue, damage tolerance, and structural integrity assessments\nExperience mentoring engineers and providing technical leadership\n Why join us?\nWe bring together entrepreneurial, tech-driven people to deliver innovative solutions for leading companies.\nAt ALTEN, you’ll work on exciting projects, supported by ongoing learning, mentoring, and clear career development tailored to your goals.\nJoin a passionate team and help build tomorrow, today.\nIn short you get:\nA personalised career path and a rewarding management style \nA huge diversity of engineering projects and industries\nPrivate Medical Insurance\nCycle & Tech Scheme \nEmployee assistance programme\nLife insurance & Pension Scheme\nSocial atmosphere, regular gatherings & team buildings\nFlexible way of working (role dependent)\nWe are proud to support the Armed Forces Covenant & actively encourage applications from members of the Armed Forces community, including veterans, reservists, service leavers, and military spouses/partners. We recognise the value of military skills and experience and are committed to ensuring that no applicant is unfairly disadvantaged during our recruitment and selection processes. \nALTEN is committed to fostering a diverse and inclusive workplace and values the strength that comes from a global mix of backgrounds and perspectives. We welcome applications from all suitably qualified candidates, regardless of background or protected characteristics under the Equality Act 2010. If you require any reasonable adjustments during the recruitment process, please let us know. \nThis role may require you to have or be willing to go through Security Clearance. As part of the onboarding process candidates will be asked to complete a Baseline Personnel Security Standard; details of the evidence required to apply may be found on the government website Gov.UK. If you are unable to meet this and any associated criteria, then your employment may be delayed, or rejected . 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