> Markdown version of [/jobs/ext/1755877-sr-reliability-engineer](https://www.wearedevelopers.com/jobs/ext/1755877-sr-reliability-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sr. Reliability Engineer - **Company:** Coherent, Inc. - **Location:** Fremont, CA, United States - **Experience:** Expert - **Salary:** $111,063.0 - $150,000.0 - **Contract:** Permanent contract - **Skills:** Data Analysis, Reliability Engineering - **Published:** July 21, 2026 - **Apply:** https://www.juju.com/job/00000000gi75jq ## About the Role + Education: MSc / PhD in NPI, Reliability and Product Engineering, + 3+ years of experience in reliability engineering + Knowledge of Telcordia or other performance and reliability standards, reliability modeling, and lifetime calculations + Prior experience driving the qualification execution to meet strict deadlines. + Positive interpersonal skills necessary to support cross-functional teams + Strong technical written and verbal communication skills + Experience with subassembly and semiconductor packaging processes and controls Skills + Semiconductor device reliability + Wearout failure modes + Arrhenious equation and acceleration factors + Random failure modes + FIT calculations Working Conditions + This position is onsite preferred but will consider Hybrid for the right candidate + Regular use of a computer and other office equipment is necessary + Interaction with team members is a regular part of the job Physical Requirements + Sitting for extended periods while working on a computer or conducting meetings. + Use of hands and fingers for typing, writing, and handling documents. + Occasional lifting of objects or materials up to 20 pounds for administrative tasks. + Ability to communicate verbally and in writing.xxxx ## Description The Principal Reliability Engineering role is pivotal in this process, focusing on design for reliability, qualification testing, and ensuring the long-term reliability of leading-edge optoelectronic and silicon photonic components in a highly complex, dynamic R&D setting. This position offers the opportunity to achieve ambitious goals alongside talented, driven professionals-making the work both motivating and rewarding. Primary Duties & Responsibilities In our drive to develop and introduce cutting-edge products ahead of the competition, we are developing critical advanced components in parallel with higher levels of integration. This creates an NPI environment with significant interdependencies and the need for proactive risk management. The **Principal Reliability Engineering** role is pivotal in this process, focusing on **lifetime modelling** , **qualification testing** , and ensuring the long-term reliability of leading-edge optoelectronic and silicon photonic components in a highly complex, dynamic R&D setting. This position offers the opportunity to achieve ambitious goals alongside talented, driven professionals-making the work both motivating and rewarding. + Serve as the **NPI Reliability Engineer** , managing component qualifications and GR-468 qualification of Coherent laser chips and photodetectors. + Engage with design teams, factories, and internal/external suppliers to ensure new products meet II-VI's high standards of quality and reliability. + Analyze lifetime data from different sources, testers etc. and perform reliability and lifetime data analysis + Present reliability results for new products, process/component changes, deviations, transfers, wafer qualifications, and ongoing reliability programs. + Prepare **reliability reports** and product reliability prediction calculations. + Review reliability data from external vendors and collaborate with suppliers to resolve reliability-related issues. + Participate in technical discussions and drive failure analysis and corrective actions to closure., All employees are required to follow the site EHS procedures and Coherent Corp. Corporate EHS standards. Quality and Environmental Responsibilities Depending on location, this position may be responsible for the execution and maintenance of the ISO 9000, 9001, 14001 and/or other applicable standards that may apply to the relevant roles and responsibilities within the Quality Management System and Environmental Management System. Culture Commitment Ensure adherence to company's values (ICARE) in all aspects of your position at Coherent Corp. ## Related Videos - [Leading with Reliability: Applying SRE Principles to Build Stronger Engineering Organizations](https://www.wearedevelopers.com/videos/100185-leading-with-reliability-applying-sre-principles-to-build-stronger-engineering-organizations) - [Staying Safe in the AI Future](https://www.wearedevelopers.com/videos/521-staying-safe-in-the-ai-future) - [Data Science in Retail](https://www.wearedevelopers.com/videos/586-data-science-in-retail) - [From Space to Software: Reliability Lessons 40 Years After Challenger](https://www.wearedevelopers.com/videos/100283-from-space-to-software-reliability-lessons-40-years-after-challenger) - [Designing UX for SRE Agents in High-Stakes Incidents](https://www.wearedevelopers.com/videos/100003-designing-ux-for-sre-agents-in-high-stakes-incidents) - [More efficient software for more efficient microchips](https://www.wearedevelopers.com/videos/1164-more-efficient-software-for-more-efficient-microchips) ## Related Articles - [Data Science & more: The Lopez dilemma](https://www.wearedevelopers.com/magazine/10-data-science-more-the-lopez-dilemma) - [Top Characteristics of a Software Engineer](https://www.wearedevelopers.com/magazine/166-top-characteristics-of-a-software-engineer) - [Résumé-Driven Development: How IT trends affect the job market for software developers](https://www.wearedevelopers.com/magazine/59-resume-driven-development-how-it-trends-affect-the-job-market-for-software-developers) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Dev Digest 188: CfP time, the risks of NPM and IKEA algorithms](https://www.wearedevelopers.com/magazine/635-dev-digest-188-cfp-time-the-risks-of-npm-and-ikea-algorithms)