Silicon Photonics Test Engineer jobs in Santa Clara – Browse 390 openings on RoboApply Jobs

Silicon Photonics Test Engineer jobs in Santa Clara

Open roles matching “Silicon Photonics Test Engineer” with location signals for Santa Clara. 390 active listings on RoboApply Jobs.

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Full-time|On-site|Santa Clara, CA

Join Our Innovative Team: At nEye.ai, we are not just another startup; we are pioneers in optical switch technology, set to transform the data center landscape. Our cutting-edge MEMS-based silicon photonics optical circuit switches (OCS) are designed to tackle critical bottlenecks in AI processing by facilitating direct optical interconnections among an extensive network of GPUs and memory units. The SuperSwitch, our flagship product, stands out with its ultra-low power consumption and high radix compact chip-scale design, delivering superior performance, efficiency, and scalability for hyperscale data centers. Position Overview: We are currently seeking a talented and detail-oriented Photonics Systems Test Engineer to spearhead the testing and characterization of our silicon photonics systems. This role is crucial for maintaining the highest quality and performance standards for our OCS product. You will apply your hands-on expertise in various optical metrics and measurement techniques while utilizing advanced testing equipment. Your responsibilities will include not only executing tests but also designing innovative testing methodologies, evaluating testing equipment, and driving test automation initiatives.

Oct 31, 2025
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company
Full-time|On-site|Santa Clara, CA

nEye.ai builds MEMS-based silicon photonics optical circuit switches for data centers, enabling direct optical links among thousands of GPUs and memory units. These switches are designed for ultra-low power consumption, high radix, and compact chip-scale integration, supporting hyperscale data centers focused on performance and efficiency. Role overview The Associate Test Engineer, Photonics Systems, will work onsite in Santa Clara, CA. This lab-focused position centers on hands-on testing and validation of advanced silicon photonics systems. The role involves executing test plans, collecting and analyzing data, and collaborating with both internal engineers and external foundries to identify issues and support device improvements. Daily work connects nanofabrication, photonics testing, and failure analysis, bridging design, fabrication, and validation activities. What you will do Execute test plans and analyze results to inform device improvements. Collaborate with engineers and external partners to troubleshoot and resolve technical challenges. Assist in developing and refining testing methods for photonics systems. Requirements Bachelor's degree in Electrical Engineering, Physics, or a related discipline. Strong analytical and problem-solving skills. Preferred skills Experience with wafer-level testing or probe stations. Familiarity with nanofabrication or cleanroom environments.

Apr 23, 2026
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company
Full-time|On-site|Santa Clara, CA

About Us: nEye.ai is an innovative startup specializing in optical switch technology, committed to transforming the landscape of data centers. Through our advanced MEMS-based silicon photonics optical circuit switches (OCS), we effectively eliminate critical bottlenecks in AI processing, facilitating direct optical connections between thousands of GPUs and memory units. Our flagship product, the SuperSwitch, boasts ultra-low power consumption and high radix compact chip-scale design, significantly enhancing performance, efficiency, and scalability for hyperscale data centers. Job Overview: We are in search of a Principal Silicon Photonics Layout Engineer who will take charge of our design and tapeout processes for complex Photonic Integrated Circuits (PICs) using a code-based, functional layout approach. In this pivotal role, you will architect and sustain a robust script-based library of parametric components. You will effectively bridge the realms of optical physics and software engineering, ensuring that layouts are not only highly reproducible but also optimized for high-yield, production-scale fabrication. This position is particularly suited for candidates who view layout as a software engineering challenge and excel in a programmatic, automation-focused environment.

Feb 23, 2026
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company
Full-time|On-site|Santa Clara, CA

About Us At nEye.ai, we are an innovative optical switch startup with substantial funding, dedicated to transforming the future landscape of data centers. Our cutting-edge MEMS-based silicon photonics optical circuit switches (OCS) are engineered to eliminate vital bottlenecks in AI processing, facilitating direct optical connections among thousands of GPUs and memory units. Our OCS features ultra-low power consumption, high radix, and a compact chip-scale design, delivering enhanced performance, efficiency, and scalability for hyperscale data centers. Job Overview In the role of Senior Silicon Photonics Designer at nEye.ai, you will spearhead the development of intricate photonic devices and systems-on-chip, overseeing the entire process from design to fabrication, testing, and analysis. You will engage actively in strategic company meetings, particularly focusing on our chip manufacturing technology strategies. This position is ideal for individuals who excel in a dynamic environment, can juggle multiple projects concurrently, and possess a fervor for problem-solving and continuous learning.

Mar 12, 2026
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company
Full-time|Hybrid|Santa Clara

Join the innovative team at d-Matrix, where we are dedicated to harnessing the power of generative AI to revolutionize technology. We are pioneers in software and hardware advancements, constantly pushing the envelope of what is feasible. Our workplace is built on a foundation of respect and collaboration.We value humility and prioritize open communication. Our inclusive team thrives on diverse perspectives, leading to superior solutions. If you're passionate about overcoming challenges and driven by results, we invite you to explore your playground with us. Together, let's unlock the endless possibilities of AI.Location: This role requires you to work onsite at our Santa Clara, CA headquarters three days a week.What You Will Do:Prepare for an exciting adventure as you engage in the bring-up, validation, and debugging of a revolutionary interference accelerator chip/chiplets! Anticipate the following responsibilities:· Lead the bring-up, validation, and debugging of cutting-edge interference accelerator chiplets, including the validation of high-speed serial protocols such as PCIe Gen5, high-speed memory interfaces like LPDDR5, and die-to-die chiplet interconnect blocks.· Innovate and implement:** Collaborate with your energetic team to develop and execute detailed test bring-up and validation plans, alongside automating randomization of software/firmware kernel functions and logging instrumentation with self-checking post processors.· Create impactful test scripts:** Design test scripts and embedded firmware functions for host systems to validate critical aspects of our high-speed interfaces, including PCIe, LPDDR, and D2D, expanding the frontiers of technology.· Equip your environment:** Work with your team to procure state-of-the-art lab equipment, ensuring you have the necessary tools for success.· Collaborate effectively:** Partner closely with hardware, software, and operations teams to tackle exciting challenges such as ATE tests and hardware/software debugging, nurturing a culture of teamwork and innovation.

Sep 9, 2025
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company
Full-time|On-site|Santa Clara, CA

Join nEye.ai, an innovative optical switch startup with strong financial backing, as we aim to transform the data center landscape. Our MEMS-based silicon photonics optical circuit switches (OCS) address significant bottlenecks in AI processing by facilitating direct optical interconnections among numerous GPUs and memory units. With our SuperSwitch, a compact chip-scale design characterized by ultra-low power consumption and high radix, we provide hyperscale data centers with exceptional performance, efficiency, and scalability. Job Overview We are looking for a skilled MEMS Integration Engineer to connect our internal design engineering teams with our external foundry partners. This role demands a robust background in foundry process engineering coupled with the strategic outlook of a foundry manager. You will take charge of the technical execution of product development, spearhead new product introduction (NPI), and ensure the successful transition of our Silicon Photonics and MEMS processes to high-volume manufacturing. Your success will guarantee seamless integration and alignment with nEye's device specifications, enhancing device performance, minimizing unit costs, and maximizing wafer yield through ongoing improvement efforts.

Mar 9, 2026
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companyTenstorrent logo
Full-time|On-site|Santa Clara, California, United States

At Tenstorrent, we're pioneering the future of AI technology, setting new standards for performance, user-friendliness, and cost-effectiveness. In an era where AI is reshaping the computing landscape, our solutions are designed to harmonize advancements in software models, compilers, platforms, networking, and semiconductors. Our talented and diverse team has successfully crafted a high-performance RISC-V CPU from the ground up, united by a shared enthusiasm for AI and a commitment to creating the best AI platform possible. We embrace collaboration, curiosity, and a determination to tackle challenging problems. Join us as we expand our team and seek contributors at all levels of experience.We are currently looking for a Silicon Validation Engineer to join our team, focusing on the development of innovative die-to-die chiplet PHY IP solutions that will drive the next generation of AI computing. This role places you at the cutting edge of deep sub-micron technologies, where you'll collaborate with circuit architects and cross-functional teams to redefine the limits of analog/mixed-signal design.This position is onsite in Santa Clara, CA.We welcome applicants across a spectrum of experience levels. During the interview process, we will assess candidates to determine the most fitting level, and offers will be made accordingly, potentially differing from the level stated in this posting.

Mar 24, 2026
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company
Full-time|On-site|Santa Clara, CA

Join nEye.ai, an innovative and well-funded startup dedicated to transforming data centers through cutting-edge optical switch technology. Our MEMS-based silicon photonics optical circuit switches (OCS) address critical bottlenecks in AI processing by facilitating direct optical connections among thousands of GPUs and memory units. Our flagship product, the SuperSwitch, features an ultra-low power consumption, high radix, compact chip-scale design that significantly enhances performance, efficiency, and scalability for hyperscale data centers. Job Overview As a Senior MEMS Design Engineer at nEye.ai, you will play a key role in the design, simulation, and optimization of MEMS devices integral to our optical circuit switches. This position requires a blend of technical expertise and collaboration with cross-functional teams, including Silicon Photonics, Mechanical, and Process Engineers, to ensure that our MEMS structures are high-performing, robust, and reliable for mass production. Your proficiency in multi-physics modeling will be essential for optimizing our designs and addressing complex engineering challenges.

Oct 21, 2025
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companyTenstorrent logo
Full-time|On-site|Santa Clara, California, United States; Toronto, Ontario, Canada

At Tenstorrent, we are at the forefront of AI technology, setting new benchmarks in performance, usability, and cost-effectiveness. As AI transforms the computing landscape, our solutions are evolving to integrate advancements across software models, compilers, platforms, networking, and semiconductors. Our talented team has crafted a high-performance RISC-V CPU from the ground up and is driven by a shared enthusiasm for AI and an unwavering commitment to developing the finest AI platform available. We nurture a culture of collaboration, curiosity, and a relentless pursuit of solving complex challenges. We are expanding our team and invite professionals at all experience levels to contribute.We are currently in search of a skilled Silicon Validation Engineer to validate and qualify our advanced die-to-die (D2D) subsystem, along with AI and Processor IP test chips, tailored for the fast-evolving chiplet ecosystem. In this role, you will design hardware infrastructure for validation platforms, conduct detailed electrical characterization, and assist in customer silicon bring-up. If you are passionate about practical silicon testing and eager to be part of the chiplet revolution in semiconductor products, we want to hear from you!This position is on-site, based in Santa Clara, CA; or Toronto, Canada.We welcome applicants of varying experience levels. During the interview process, candidates will be evaluated for the appropriate level, and offers will be tailored accordingly.

Mar 24, 2026
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companyArcher Aviation logo
Full-time|$151.7K/yr - $189.6K/yr|On-site|Santa Clara, California, United States

Archer Aviation is an innovative aerospace company headquartered in San Jose, California, dedicated to revolutionizing air travel through the development of an all-electric vertical takeoff and landing aircraft. Our mission is to enhance sustainable air mobility, allowing four passengers to travel quietly and efficiently.We strive for excellence in our endeavors and recognize that a diverse workforce enriches our problem-solving capabilities and fosters success. Our commitment to creating an equitable and inclusive workplace supports and celebrates the unique contributions of every team member.About the Role:As a Staff Manufacturing Test Engineer, you will play a crucial role within the Manufacturing Engineering team. Your primary responsibility will be to conduct functional and end-of-line testing on fully assembled aircraft, ensuring they adhere to performance, integration, and system-level standards prior to delivery and flight testing. Your expertise will be essential in validating that each aircraft build meets operational expectations by verifying systems, software, electrical behavior, and overall readiness for functionality.Your Responsibilities:Develop and manage the comprehensive functional test strategy for aircraft systems throughout the manufacturing process, from initial builds to certified production.Facilitate cross-functional collaboration among manufacturing, design engineering, flight testing, and certification teams to establish test requirements and ensure thorough coverage.Design and implement automated testing solutions to enhance quality, consistency, and production efficiency.

Feb 5, 2026
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companyEnCharge AI logo
Full-time|$125K/yr - $200K/yr|Remote|Canada, Santa Clara, California, United States, Remote - US

EnCharge AI stands at the forefront of advanced AI hardware and software systems, specializing in edge-to-cloud computing solutions. Our innovative in-memory computing technology delivers unprecedented compute efficiency and density, surpassing the capabilities of existing leading solutions. Our high-performance architecture, paired with seamless software integration, unlocks the vast potential of AI for applications where power, energy, and space are constrained. Established in 2022, EnCharge AI is guided by industry veterans with extensive experience in semiconductor design and AI systems.About the Position:As the Silicon Operations Manager, you will play a pivotal role in overseeing operational activities, from product definition to production ramp-up and sustained production. You will lead new product introduction initiatives, ensure operational readiness for production, and manage the product lifecycle. Reporting directly to the COO, you will be instrumental in the development, qualification, and manufacturing ramp-up of our cutting-edge silicon products.

Mar 19, 2026
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companyArista Networks logo
Intern|On-site|Santa Clara

Join Our TeamAt Arista Networks, we are on the lookout for exceptional Software Test Engineers, also known as System Test Engineers, to contribute to the development of top-tier networking products for our AGNI team.The Arista Guardian for Network Identity (AGNI) is our cutting-edge solution for network identity and access management. It ensures secure authentication, authorization, and visibility for users, devices, and applications accessing the network. Built on a cloud-native, microservices architecture, AGNI utilizes ML/AI technologies to streamline operations, support zero-trust security, and scale with modern enterprise networks. It seamlessly integrates with existing identity sources and network infrastructure, available as both a SaaS and on-premises solution.If you are passionate about networking, energized by navigating complex network topologies, and thrive on the challenge of uncovering elusive bugs, this role is perfect for you. You will engage with our products just as our end customers do, ensuring their functionality and reliability.Your mission will be to identify the challenging bugs that evade the developers’ automated unit and product-level tests. Instead of spending hours on manual regression testing of extensive test plans, you will work in a dynamic environment where Arista's developers automate fundamental functional and integration tests.Thanks to our collaborative culture, you will work closely with various engineering teams, developers, POC engineers, and account teams to explore, identify, and resolve software issues before they reach our customers. We take quality seriously, and we want you to be our champion for software excellence!Your ResponsibilitiesCollaborate with developers to create automated testing plans that enhance your exploratory testing efforts.Contribute to functional specification and software design reviews, providing insights focused on customer needs.Operate in a highly productive environment alongside top engineers on the Linux platform, significantly reducing typical development cycles with an unwavering commitment to quality.Utilize all available resources to identify bugs in the software and hardware developed by your team.Draft test plans to validate the features and products of Arista.Design test network topologies to assess functionality, performance, stability, and scalability.

Feb 25, 2026
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companyAviatrix logo
Full-time|$135.1K/yr - $159K/yr|On-site|Santa Clara, CA

WHO WE ARE: At Aviatrix, we empower enterprises to secure their cloud workloads effectively. Our innovative solution, the Aviatrix Cloud Native Security Fabric (CNSF), provides comprehensive runtime security and enforcement directly within the cloud application infrastructure. Unlike traditional cybersecurity approaches that focus solely on securing entry points, our platform closes existing gaps, enhancing visibility and control for organizations. Join us in driving developer velocity and embracing the future of AI and serverless technologies. For more details, visit www.aviatrix.ai.ABOUT THE ROLE:We are seeking a motivated Software Development Engineer in Test (SDET) to become an integral part of the Aviatrix Test Infrastructure team. You will be responsible for maintaining and enhancing our hermetic integration test framework, developing testing tools and dashboards, and supporting developers across Aviatrix in delivering high-quality software solutions. This position is ideal for early-career engineers passionate about quality assurance, test automation, and improving developer productivity within a dynamic and collaborative environment.

Apr 1, 2026
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companyCobot logo
Full-time|On-site|Santa Clara

About the Position:Step into the future of robotics and human interaction with Cobot. Our team is comprised of visionary innovators dedicated to transforming how humans and robots collaborate. We envision a world where robots seamlessly integrate into daily life, adapting and responding to our needs rather than the other way around.Do you have a passion for validating complex robotic systems? Are you skilled in designing comprehensive test frameworks that assess integration, reliability, and performance? If so, we invite you to apply for the role of Senior Systems Test Engineer within our robotics division. This pivotal position will drive the validation strategy for our robots as complete systems, ensuring their impeccable performance in real-world scenarios. You will be responsible for building test infrastructure, creating system-level testing plans, and overseeing validation processes that encompass firmware, embedded control, autonomy, and mechanical systems.This role is based at our headquarters in Santa Clara, CA.Key Responsibilities:Design and implement system-level validation strategies to confirm optimal robot behavior in real-world conditions.Develop and enhance automated test infrastructure across hardware and software integration points.Create scenario-based validation plans focused on robot behavior, performance, reliability, and safety metrics.Investigate and troubleshoot complex hardware and software issues, from low-level interfaces to high-level autonomy.Build and expand simulation and hardware-in-the-loop (HIL) test environments for thorough system validation.Establish processes to monitor test coverage, regression, and performance metrics over time.Work closely with engineering teams across embedded software, perception, controls, and mechanical/electrical domains.Collaborate with cross-functional stakeholders to support targeted verification and validation efforts.Contribute to tools for test automation, diagnostics, telemetry, and log analysis.

Feb 21, 2026
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companyStemXpert1 logo
Full-time|On-site|Santa Clara

Join StemXpert1 as a Field Test Engineer, where you will be an integral part of our innovative team. In this role, you will conduct field tests on our cutting-edge technology products to ensure they meet the highest quality standards. Your attention to detail and technical expertise will directly impact our product development cycle.

May 21, 2015
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companyEataly USA, LLC logo
Part-time|On-site|Santa Clara

Join Eataly Silicon Valley as a Host, where you will be the first point of contact for our guests, creating memorable dining experiences. As a Host, you will welcome patrons warmly, manage reservations, and ensure a smooth seating process. Your role is vital in setting the tone for the guests' dining experience, making them feel valued and at home.

Jan 5, 2026
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companyArcher Aviation Inc. logo
Full-time|$165K/yr - $173.3K/yr|On-site|Santa Clara, California, United States

Archer Aviation Inc. develops all-electric vertical takeoff and landing (eVTOL) aircraft in San Jose, California, with a focus on sustainable air mobility. The company aims to create quiet, four-passenger aircraft and values diversity, equity, and inclusion as essential to its innovation and team success. Role overview The Flight Test Instrumentation Manufacturing Engineer plays a key role in planning, integrating, and assembling flight test instrumentation hardware for both experimental and production eVTOL aircraft. This position supports developmental testing and certification for piloted aircraft projects and works closely with design, manufacturing, and supplier teams. What you will do Oversee manufacturing and installation planning for flight test instrumentation hardware on experimental and production aircraft. Lead the integration and assembly of flight test instrumentation systems. Support developmental testing and certification efforts for piloted eVTOL projects. Work with design engineering to develop installation and assembly plans for instrumentation. Collaborate with internal teams and suppliers to resolve instrumentation and measurement challenges, and guide make/buy decisions for test hardware and harnesses. Advise the Instrumentation Director on build status, assembly issues, integration with aircraft builds, and parts availability. Create processes and documentation for procurement, installation, and checkout of instrumentation hardware. Partner with New Product Integration, Manufacturing Engineering, Suppliers, and Design Engineering to plan and execute test installation and modification tasks. Work with design and analysis teams to develop comprehensive instrumentation plans, including wiring, termination, and integration with aircraft systems. Contribute to the design of hardware for flight tests, such as instrumentation racks, air data booms, aircrew interfaces, workstations, camera systems, and telemetry systems. Perform installation and assembly of instrumentation, supported by an instrumentation technician team.

Apr 20, 2026
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companyEurofins Scientific logo
Full-time|On-site|Santa Clara

Role overview Eurofins Scientific is hiring an Application Engineer focused on Semiconductor Devices Testing in Santa Clara. The role involves direct work with semiconductor devices, emphasizing hands-on testing and analysis to support progress in electronics technology. What you will do Carry out tests on semiconductor devices following established protocols Review and interpret test data to evaluate device performance and reliability Collaborate with a team of specialists to maintain quality standards Who should apply This position fits recent graduates or early-career professionals interested in semiconductor technology and device testing.

Apr 22, 2026
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companyArcher Aviation logo
Full-time|$105.6K/yr - $132K/yr|On-site|Santa Clara, California, United States

About Archer Aviation Archer Aviation designs and manufactures all-electric vertical takeoff and landing aircraft in Santa Clara, California. The company aims to advance sustainable air mobility by building aircraft that transport four passengers with reduced noise. Archer values a diverse team and works to maintain an inclusive workplace where every contribution matters. Role Overview The Manufacturing Engineering Test Technician supports the quality and performance of Archer’s aircraft during production. This role centers on functional and end-of-line testing, ensuring each aircraft meets integration and performance standards before moving to flight testing. The technician helps bridge the gap from prototype builds to production by validating systems, software, and electrical performance. Key Responsibilities Run aircraft-level functional and end-of-line (EOL) tests on fully assembled vehicles to confirm system integration and readiness for delivery or flight testing. Troubleshoot electrical issues across aircraft systems using tools such as multimeters and oscilloscopes to diagnose and resolve system-level problems. Follow detailed test protocols and document results to support compliance and quality assurance efforts.

Apr 16, 2026
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companyArcher Aviation logo
Full-time|$126.7K/yr - $158.4K/yr|On-site|Santa Clara, California, United States

About Archer Aviation Archer Aviation designs and manufactures all-electric vertical takeoff and landing (eVTOL) aircraft in Santa Clara, California. The company’s mission centers on advancing sustainable air mobility with a four-passenger vehicle engineered for quiet operation. Archer values ambitious goals and creative problem-solving. The team draws strength from a diverse workforce, with an emphasis on equity and inclusion. Every team member’s perspective contributes to the company’s progress and culture. Role Overview: Senior Manufacturing Test Engineer The Senior Manufacturing Test Engineer joins the Manufacturing Engineering team to lead functional and end-of-line testing for eVTOL aircraft during production. This role ensures each aircraft meets performance, integration, and system-level requirements before delivery or flight testing. Key Responsibilities Validate each aircraft build for design compliance and operational readiness Verify systems, software, and electrical functions during manufacturing Support the transition from prototype builds to full-scale production Location Santa Clara, California, United States

Apr 16, 2026

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