{"id":1292342,"url":"https://alion.io/job/optics11-mechanical-development-engineer","title":"Mechanical Development Engineer","company":{"id":2001460,"name":"Optics11","domain":"optics11.com","url":"https://alion.io/company/optics11","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Recruitee","truth_index":{"grade":"B","score":75,"open_postings":6,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-01T05:45:00Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"junior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Amsterdam, Netherlands"],"countries":["NL"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":38000,"max_usd":78000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":14},"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Python","optional":false},{"name":"SolidWorks","optional":false}],"status":"live","first_seen_at":"2026-07-15T16:12:50Z","employer_posted_date":"2026-07-15","last_verified_at":"2026-10-01T22:45:02Z","board_verified":true,"closed_at":null,"days_open":78,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":78},"description":"As a Mechanical Development Engineer( Hydrophone Sensor) at Optics11, you contribute to the development and engineering realization of the hydrophone sensor subsystem throughout the product development lifecycle. You translate allocated product and subsystem requirements into robust engineering solutions while developing your technical expertise in underwater sensor technology.\nThe hydrophone sensor subsystem comprises the acoustic sensing element, mechanical housing, internal structural components, sealing concepts, and associated mechanical interfaces that enable reliable underwater sensing performance. Working as part of a multidisciplinary engineering team, you contribute to developing, improving, and maturing subsystem solutions that support successful product realization.\nYou work closely with Product System Engineering, Product Integration, Verification & Validation, Lifecycle Engineering, manufacturing partners, and other subsystem development teams to develop reliable hydrophone sensor solutions while continuously expanding your technical capability.\nKey Responsibilities:\nContribute to the development and realization of the hydrophone sensor subsystem throughout the product development lifecycle.\n\nTranslate product and subsystem requirements into robust engineering solutions.\n\nDevelop hydrophone sensor assemblies, mechanical housings, internal structures, sealing concepts, and subsystem interfaces.\n\nProduce detailed mechanical designs, engineering drawings, specifications, calculations, and design documentation.\n\nDevelop prototypes and support subsystem integration, testing, and verification activities.\n\nPerform engineering analysis, characterization, and validation of hydrophone sensor assemblies.\n\nSupport acoustic characterization and correlate engineering models with experimental results.\n\nAnalyze engineering results, identify technical issues, and implement design improvements.\n\nApply engineering expertise in precision mechanical design, fiber-optic sensing technology, materials, sealing, and structural design.\n\nContribute to technical trade-off studies, design reviews, and multidisciplinary engineering discussions.\n\nSupport root cause investigations and implement corrective engineering solutions.\n\nImprove subsystem robustness, manufacturability, maintainability, reliability, and production readiness.\n\nPlan and execute assigned engineering activities within agreed priorities and timelines.\n\nCommunicate technical progress, risks, and dependencies proactively with stakeholders.\n\nCollaborate effectively across multidisciplinary teams and share engineering knowledge and best practices.\n\nEnsure engineering deliverables meet quality, performance, and reliability requirements.\n\nContribute to the continuous improvement of engineering processes, methods, and product quality.\n\nWhy Join Us?\nJoin one of Europe’s most promising deep-tech scale-ups.\n\nShape the future of a rapidly growing multidisciplinary R&D organization.\n\nCompetitive salary and benefits package.\n\nEnjoy regular team activities and company events.\n\nFresh team lunches provided 3 times/week.\n\nRequirements\nQualifications:\nBSc or MSc in Mechanical Engineering, Applied Physics, Precision Engineering, or a related engineering discipline.\n\nApproximately 2-5 years of experience in precision mechanical design, instrumentation, sensor systems, or product development.\n\nExperience with CAD (SolidWorks or equivalent) and engineering analysis tools, like Comsol or ANSYS.\n\nUnderstanding of materials, sealing, and mechanical design principles.\n\nExperience with Python or similar scripting tools for engineering analysis is an advantage.\n\nInterest in precision instrumentation, underwater sensing technologies, and multidisciplinary product development.\n\nStrong analytical and structured problem-solving skills.\n\nGood written and verbal communication skills in English.\n\nEligible to obtain EU/NATO security clearance.\n\nPreferred:\nExperience with fiber-optic sensors, underwater systems, or precision instrumentation.\n\nFamiliarity with engineering testing, prototype development, or product verification.\n\nSecurity & Compliance:\nYou'll be working with clients in the defense and security sectors, obtaining a Certificate of No Objection issued by the AIVD (Dutch General Intelligence and Security Service) is mandatory. This means you will need to undergo a security screening. For more information, please refer to details on security screening.","description_format":"text","description_chars":4459,"description_truncated":false,"requirements":{"experience_years_min":2,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"master","optional":false},"security_clearance":false,"languages":[{"language":"Dutch","level":"All levels","optional":false},{"language":"English","level":"All levels","optional":false}]},"benefits":["Company events"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Telecommunications","C4ISR","Broadband"],"lifecycle":[{"event":"open","at":"2026-09-26T08:12:03Z"}],"liveness":{"score":11,"band":"cold","label":"Long shot","p_open":1,"p_active":0.387,"p_room":0.28,"age_days":77,"expected_fill_days":30,"reasons":["conf:2","velocity","win:tail","crowd:junior"],"computed_at":"2026-10-01T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/optics11-mechanical-development-engineer","json_url":"https://alion.io/job/optics11-mechanical-development-engineer.json","meta":{"generated_at":"2026-10-02T00:23:23Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":273,"day_limit":5000,"remaining_today":4727,"minute_limit":60,"resets_at":"2026-10-03T00:00:00Z"}}}