{"id":2091992,"url":"https://alion.io/job/rullion-senior-mechanical-design-engineer-2","title":"Senior Mechanical Design Engineer","company":{"id":1795322,"name":"Rullion","domain":"rullion.co.uk","url":"https://alion.io/company/rullion","size_band":null,"is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":"Schema","truth_index":null},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["London, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":45,"max":55,"currency":"GBP","period":"hour","gross":null,"usd_annual":146000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"SolidWorks","optional":false}],"status":"live","first_seen_at":"2026-10-07T00:00:00Z","employer_posted_date":"2026-10-07","last_verified_at":"2026-10-19T09:12:25Z","board_verified":true,"closed_at":null,"days_open":12,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":12},"description":"Senior Mechanical Design Engineer - Contract\nJob Type: Contract - 6 Months\nStart date: ASAP\nLocation: Teddington\nWorking Arrangements: Hybrid - minimum 2 days per week on site\nHours: 36 hours per week\nRate: £45-55/hr Outside IR35\nThe Role\nWe are seeking an experienced Senior Mechanical Design Engineer to join a leading scientific and engineering organisation in Teddington.\nYou will be responsible for the end-to-end mechanical design of precision instruments, test equipment and measurement systems, translating customer requirements into robust, manufacturable solutions.\nWorking within a multidisciplinary team, you will collaborate with scientists, engineers, project managers, manufacturing teams and suppliers to deliver high-quality designs to cost and programme requirements.\nKey Responsibilities\nDesign and develop precision mechanical systems and equipment.\nProduce 3D CAD models and detailed engineering drawings.\nInterpret customer and technical requirements.\nApply DFMA principles and sound engineering practices.\nWork with multidisciplinary engineering and manufacturing teams.\nSupport technical problem-solving, risk management and engineering change.\nEnsure designs meet quality, cost and delivery requirements.\nEssential Skills\nProven mechanical design experience within precision engineering, scientific instrumentation, aerospace, defence or a similar environment.\nStrong 3D CAD experience, ideally SolidWorks.\nExperience with PLM systems and detailed engineering drawings.\nKnowledge of ISO GPS, BS8888, materials, tolerancing and manufacturing processes.\nExperience applying DFMA principles.\nStrong problem-solving and analytical skills.\nExperience working within multidisciplinary teams.\nStrong communication and stakeholder management skills.\nWhy Join?\nAn excellent opportunity to work on technically challenging, bespoke projects within a specialist scientific and engineering environment, developing precision equipment and innovative measurement solutions.\nReady to Apply?\nIf you are an experienced Senior Mechanical Design Engineer looking for a challenging six-month contract in Teddington, we want to hear from you.\nInterested in this position? Please click \"Apply Now\".\nCompany Information\nThis contract vacancy is being advertised by Rullion Ltd.\nSince 1978, Rullion has been securing exceptional candidates for a wide range of clients, from major global organisations to innovative SMEs and start-ups. 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