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YubHub-native raw fields carry `x-` prefix.","jobs":[{"@context":"https://schema.org","@type":"JobPosting","identifier":{"@type":"PropertyValue","name":"YubHub","value":"job_94351da2-7fd"},"title":"Senior Reliability Test Engineer","description":"<p>Join our world-class mechanical engineering team, part of the device hardware organization responsible for creating Varjo&#39;s cutting-edge products. You will work alongside highly experienced and capable engineers in an environment that pushes the limits of technology.</p>\n<p>We have recently expanded our capabilities in mechanical and thermal simulations, and in this role, you will have a direct impact on the design and quality of future Varjo products. This is your chance to shape the next generation of high-end VR/XR hardware.</p>\n<p><strong>Responsibilities</strong></p>\n<ul>\n<li>Define, develop and execute system- and component-level hardware reliability and environmental test strategies for Varjo products.</li>\n<li>Plan and execute comprehensive verification and validation activities from the early R&amp;D phase through the entire product lifecycle.</li>\n<li>Lead, coordinate and execute reliability and environmental testing using both in-house laboratory and external test partners.</li>\n<li>Create and manage test plans, detailed reports, and executive summaries to drive data-driven decision-making.</li>\n<li>Proactively support HW design team by providing Design for Reliability guidance during design reviews and support component qualification activities.</li>\n<li>Lead failure investigations and root cause analysis to identify potential design or manufacturing issues.</li>\n<li>Develop, implement, and improve Varjo internal reliability testing standards and processes.</li>\n</ul>\n<p><strong>Our Expectations</strong></p>\n<ul>\n<li>B.Sc. or M.Sc. on a related technical field.</li>\n<li>Proven track record of 7+ years in complex electro-mechanical product reliability testing, preferably within consumer electronics, optoelectronics, wearable products...</li>\n<li>Hands-on experience with reliability test and laboratory equipment, including environmental chambers (thermal cycling, humidity, combined), vibration and shock test systems, ingress protection test setups (IP rating).</li>\n<li>Willingness and ability to specify, build, and qualify new test equipment and develop of in-house laboratory capabilities.</li>\n<li>Deep understanding of environmental testing (e.g., thermal, humidity, vibration, drop, and ingress protection) and relevant standards (IEC, MIL-STD).</li>\n<li>Proficiency in reliability methodologies such as FMEA (Failure Mode and Effects Analysis), HALT/HASS, and statistical analysis (e.g., Weibull, MTBF).</li>\n<li>Excellent collaboration skills and the ability to support cross-functional stakeholders (Design, Project management, Sourcing, Manufacturing).</li>\n<li>A strong network of external testing and validation partners</li>\n<li>Fluency in English</li>\n</ul>\n<p>This is a hands-on role in our Helsinki-based team. Because you&#39;ll be working with physical devices and prototypes, the work will be performed mostly on site at our headquarters in Kaisaniemi. Full remote work is not possible in this role.</p>\n<p><strong>Benefits</strong></p>\n<ul>\n<li>Opportunity to take part in creating the new state-of-the-art in virtual and mixed reality experiences.</li>\n<li>A low-hierarchy culture with minimal bureaucracy and maximum opportunity for you to take charge of your work.</li>\n<li>An international working environment with tons of opportunities to learn and grow with the company.</li>\n</ul>\n<p style=\"margin-top:24px;font-size:13px;color:#666;\">XML job scraping automation by <a href=\"https://yubhub.co\">YubHub</a></p>","url":"https://yubhub.co/jobs/job_94351da2-7fd","directApply":true,"hiringOrganization":{"@type":"Organization","name":"Varjo","sameAs":"https://www.varjo.com/","logo":"https://logos.yubhub.co/varjo.com.png"},"x-apply-url":"https://apply.workable.com/j/8E91EFABD7","x-work-arrangement":"onsite","x-experience-level":"senior","x-job-type":"full-time","x-salary-range":null,"x-skills-required":["reliability test and laboratory equipment","environmental chambers","vibration and shock test systems","ingress protection test setups","FMEA","HALT/HASS","statistical analysis","English"],"x-skills-preferred":[],"datePosted":"2026-04-24T13:06:09.312Z","jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Helsinki"}},"employmentType":"FULL_TIME","occupationalCategory":"Engineering","industry":"Technology","skills":"reliability test and laboratory equipment, environmental chambers, vibration and shock test systems, ingress protection test setups, FMEA, HALT/HASS, statistical analysis, English"}]}