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This role spans hands-on engineering through technical leadership—owning complex module development, driving roadmap direction, and ensuring seamless system-level integration across current and future technologies. Individual pay is determined through interviews and an assessment of several factors that that are unique to each candidate, including but not limited to job-related skills, relevant education and experience, certifications, abilities of the candidate and pay relative to other team members.

ASML

Principal Opto-Mechanical Engineer

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What you will need: B.S. or higher in biological sciences, engineering, physics, bioengineering, computer science, math or a related field, plus 2 or more years of relevant experience in an academic or industry setting, or equivalent experience; level II or III depending on years of relevant experience. You will support the development of our automated imaging platforms, including the newly invented Thinking Microscope and Robo5, help maintain our legacy systems, and build and maintain the image-analysis pipelines and data infrastructure that turn images into results.

Gladstone Institutes

Research Engineer II / III

What sets this team apart is breadth of ownership: engineers here aren't limited to validating a single switch chip - they work across the full breadth of Marvell's AI platform portfolio, from Teralynx network fabrics to integrated optical platforms like co-packaged optics (CPO) and near-packaged optics (NPO), as well as emerging memory fabric products such as CXL and photonic fabric memory appliances. Day to day, the team runs AI benchmarking experiments that mirror real customer workloads, operates GPU/HPC lab clusters, validates Marvell's Teralynx switching and AI fabrics under production-like conditions, and builds live demos for trade shows - carrying platform programs from concept to production.

Marvell

Systems Performance Principal Engineer, AI Solutions Lab

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To ensure a fair and consistent evaluation, the use of AI, recording tools or other technologies to generate, suggest or provide responses during interviews—whether virtual or in person—is not permitted unless explicitly approved in advance as part of a reasonable accommodation or invited by the interviewer. Our inspection, metrology, and analytics systems detect and monitor defects across logic and memory chips, specialty semiconductors, wafers, reticles, advanced packaging, process equipment and materials.

HOUR

Software Engineer Intern (C++, Linux) – Summer 2027

Develop Silicon Photonic (PIC), electronics IC (including TIA, driver, and micro-controller), substrate, optical connector, and packaging co-design to achieve required mechanical and thermal performance. Interact with program manager, buyer/planner, suppliers to ensure designed parts are available in a timely manner for engineering and pilot builds.

LightWorks Optical Systems

Sr. Principal Module Design Engineer

Our product portfolio includes ZeroFlap (ZF) Active Electrical Cables (AECs) and ZF optical transceivers, OmniConnect memory solutions, and a suite of retimers and DSPs for optical and copper Ethernet and PCIe, all leveraging the PILOT diagnostic and analytics software platform. In this role, you will be responsible for the RTL architecture, design, implementation, and verification of advanced SerDes PHY Digital Signal Processing (DSP) blocks used in next-generation networking, AI, data center, and high-performance computing products.

YEAR

Credo Semiconductor, Inc.

Senior Staff Digital Design Engineer

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Join Ethernovia’s team to make a lasting impact on the future of packet processor-centric networking solutions to support the real-time sensor, Physical AI, and control data demands of software-defined autonomy across vehicles, robots and intelligent machines. We are well-funded and backed by some of the worlds’ leading technology investors, having secured $154M ($90+M Series-B and $64M Series-A) in total funding to date: Ethernovia Raises Over $90 Million Series B to Scale Leading-Edge Autonomy and Physical AI Networking Chips .

Ethernovia

Lead Systems/DSP Engineer

Lead Ongoing Reliability Testing (ORT) in order to enable scaling of validated prototype designs into full production, accounting for the effects of material, process, design robustness, supply chain and final assembly on the product. Facilitate problem resolution by driving cross functional focus on identified reliability issues and partnering with Failure Analysis engineers to assure true root cause is identified and addressed through validated corrective actions.

<div class="col-md-4 passion" style="background-color: #666666; border-radius: 20px; -webkit-box-shadow: 2px 2px 2px 2px #979b91; -moz-box-shadow: 2px 2px 2px 2px #979b91; box-shadow: 2px 2px 2px 2px #979b91; color: #ffffff; font-family: calibri; font-size: 13px; padding: 17px; text-align: center;">
<h3 style="color: #ffffff; font-size: 16px; font-weight: normal;">We bring amazing people together to make amazing things happen.</h3>
<p>We’re a diverse collection of thinkers and doers, continually reimagining what’s possible to help us all do what we love in new ways. The people who work here have reinvented entire industries with the Mac, iPhone, iPad, and Apple Watch, as well as with services, including iTunes, the App Store, Apple Music, and Apple Pay. And the same passion for innovation that goes into our products also applies to our practices — strengthening our commitment to leave the world better than we found it.</p>
</div>
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<h3 style="color: #666666; font-weight: 500;">About Apple</h3>
<p>There’s a place here for every kind of brilliant.
Everyone here is an innovator, or an innovator-to-be, no matter what your team or your role. So bring your passion, courage, and original thinking and get ready to share it, because every new product, service, or feature we invent is the result of people working together to make each others’ ideas stronger. Innovation at this level depends on people who represent the variety of the human experience and inspire us with their own fresh perspectives. Together, we’ll do amazing work that can make a difference in people’s lives. Including your own.

<a href="https://www.apple.com/jobs/us">Learn more about working at Apple.</a>
</p>
</div>

Apple Inc

Operations Reliability Engineer

Operations Reliability Engineers are responsible for guiding development and operations teams toward generating reliable designs for Apples new technology components, modules, and overall products. We achieve this objective by identifying high risk failure modes early in the design life cycle and by using our engineering knowledge to help find the best path towards mitigation before ramp.

Operations Reliability Engineer - Mac

Opportunities to Grow and Develop: This role provides an unparalleled opportunity to deepen your expertise in: Holistic PCBA and process design optimization, balancing competing considerations such as assembly material selection and validation, cutting-edge process development, reliability, environmental footprint reduction, raw material usage, cost, quality, and factory throughput. Your expertise will be critical in developing, productizing, and mass producing some of the world's most challenging consumer PCBA designs, ensuring unparalleled quality, reliability, and cost-effectiveness from concept through high-volume manufacturing, all while minimizing our environmental footprint.

DFM PCBA Engineer

The engineer will be responsible for leading and executing reliability tests on new technologies, developing new test procedures to quantify the reliability of a design, and conducting failure analysis resulting from these tests. Experience performing reliability testing including Mechanical Stress Tests, Shock/Drop/Vibration Testing, Environmental Testing.

Artech LLC

Reliability Engineer

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Join Ethernovia's team to make a lasting impact on the future of packet processor-centric networking solutions to support the real-time sensor, Physical AI, and control data demands of software-defined autonomy across vehicles, robots and intelligent machines. We are well-funded and backed by some of the worlds' leading technology investors, having secured $154M ($90+M Series-B and $64M Series-A) in total funding to date: Ethernovia Raises Over $90 Million Series B to Scale Leading-Edge Autonomy and Physical AI Networking Chips.

Lead Systems/Dsp Engineer

With its unique ability to measure instantaneous velocity for each pixel, long-range performance at high resolutions, while being free from LiDAR or sunlight interference, Aeva's 4D LiDAR is built from the ground up at silicon photonics scale for mass-market applications. Role Overview: As a Senior Photonics Module Engineer you will be joining the photonics module engineering team at Aeva and developing advanced optical modules for the optical connectivity market.

Aeva Technologies Inc.

Senior Photonics Module Engineer

The ideal candidate brings deep experience in optical engine firmware, defines ARM- and RISC-V-based control architectures, generates digital requirements for custom optical control ASICs, drives robust firmware development flow and CI, and mentors engineers across programs. This role spans module management, CMIS implementation, PIC control algorithms, calibration, manufacturing and test firmware, and close collaboration with optical systems, DSP, ASIC, manufacturing, test, calibration, and reliability teams.

MediaTek Inc

Firmware Principal Engineer

Backed by industry giants like NVIDIA, AMD and Intel and manufactured in partnership with the world’s leading semiconductor ecosystem, Ayar Labs’ co-packaged optics solution is key to unleashing next-generation AI scale-up architectures. Create clear documentation of their designs to enable backend ASIC engineers to perform physical implementation (clocks and timing constraints, floorplan guidance, testability) and collaborate to ensure timing signoff.

Ayar Labs

Sr. Staff Engineer, ASIC Design

Backed by industry giants like NVIDIA, AMD and Intel and manufactured in partnership with the world’s leading semiconductor ecosystem, Ayar Labs’ co-packaged optics solution is key to unleashing next-generation AI scale-up architectures. As an Analog and Mixed Signal Design Engineer, you will design various blocks such as oscillators, high speed transmitters/receivers, biasing circuits, linear regulators, ADCs/DACs, and others.

Sr. Staff Engineer, Analog/Mixed-Signal Design

Essential Functions: Firmware Architecture: Collaborate closely with analog/mixed-signal, digital, and photonic block designers to develop sophisticated control algorithms for our photonic circuits and establish the micro-architecture and embedded requirements for our multi-chip package systems. Backed by industry giants like NVIDIA, AMD and Intel and manufactured in partnership with the world’s leading semiconductor ecosystem, Ayar Labs’ co-packaged optics solution is key to unleashing next-generation AI scale-up architectures.

Sr. Engineer, Embedded Firmware

To achieve this goal, the Cloud Hardware Systems Engineering (CHSE) team is instrumental in defining and delivering operational measures of success for hardware manufacturing, improving the planning process, quality, delivery, scale and sustainability related to Microsoft cloud hardware. Drive schematic, PCB stack-up, signal-integrity, power-integrity, layout, BOM, component-derating, design-for-test, design-for-manufacturing, and design-for-reliability reviews with cross-functional collaboration to deliver complete switch-tray solutions.

<b>DO WHAT YOU LOVE</b><br />  Make your mark on the world’s most used technologies. Develop the next hit mobile application. Pioneer a startup that could be the next big thing. At Microsoft, you choose your path. <br /><br />  Headquartered in Redmond, Washington, Microsoft is a top innovator in both the consumer and enterprise technology industry. Just a few of the many things our products do are unleash creativity, connect businesses, and make learning more fun. But our continued success is based on one thing: our employees. We hire amazing, talented people and give them the opportunities—and the tools—to succeed.  <br /><br /> <strong>WHY MICROSOFT?</strong> <br />  As a Microsoft employee, you’re surrounded by a diverse group of the smartest people in your field. This fosters new ideas, better business results, and creates a dynamic work environment. In the office, you’re constantly challenged and supported by your colleagues. Every day holds something new and exciting.  <br /><br />  We also offer unparalleled depth and breadth of career opportunities. As an industry leader in multiple fields, working for Microsoft means being able to do whatever you feel passionate about—and being able to make an impact in that field. From day one, we give our employees significant responsibility. This means that you’ll know that you directly contributed to something that has a positive impact on people worldwide. Whether you choose to work in management, dive deep into the newest technology, or explore multiple professions, you’ll find everything you need at Microsoft to drive your career—and to make a difference. <br /><br /> <strong>WE GET IT – YOU’RE MORE THAN YOUR JOB</strong> <br />  Everyone works differently and is motivated by different things. We also understand that there’s more to you than your job. That’s why we offer competitive pay and a wide assortment of benefits-- to help you make the most of life at work and away from it. <br /><br /> <strong>GET THE BALL ROLLING</strong><br />

Microsoft Corp

Senior Electrical Engineer

Backed by industry giants like NVIDIA, AMD, MediaTek and Intel and manufactured in partnership with the world’s leading semiconductor ecosystem, Ayar Labs’ co-packaged optics solution is key to unleashing next-generation AI scale-up architectures. Collaborate closely with analog/mixed-signal, digital, and photonic block designers to develop and implement sophisticated control algorithms for our photonic circuits and establish the micro-architecture and embedded requirements for our multi-chip package systems.

Sr. Staff Engineer, Embedded Firmware (bare metal)

Backed by industry giants like NVIDIA, AMD and Intel and manufactured in partnership with the world’s leading semiconductor ecosystem, Ayar Labs’ co-packaged optics solution is key to unleashing next-generation AI scale-up architectures. This role focuses on firmware running on STM32-based boards that emulate customer platforms, control external hardware, and validate embedded firmware running inside Ayar Labs’ and customers’ SoCs.

Optical Engineer Jobs in Santa Clara, CA

Principal Opto-Mechanical Engineer ASML

Research Engineer II / III Gladstone Institutes

Systems Performance Principal Engineer, AI Solutions Lab Marvell

Software Engineer Intern (C++, Linux) – Summer 2027 KLA

Sr. Principal Module Design Engineer LightWorks Optical Systems

Senior Staff Digital Design Engineer Credo Semiconductor, Inc.

Lead Systems/DSP Engineer Ethernovia

Operations Reliability Engineer Apple Inc

Operations Reliability Engineer - Mac Apple Inc

DFM PCBA Engineer Apple Inc

Reliability Engineer Artech LLC

Lead Systems/Dsp Engineer Ethernovia

Senior Photonics Module Engineer Aeva Technologies Inc.

Firmware Principal Engineer MediaTek Inc

Sr. Staff Engineer, ASIC Design Ayar Labs

Sr. Staff Engineer, Analog/Mixed-Signal Design Ayar Labs

Sr. Engineer, Embedded Firmware Ayar Labs

Senior Electrical Engineer Microsoft Corp

Sr. Staff Engineer, Embedded Firmware (bare metal) Ayar Labs

Staff Engineer, Platform Firmware Ayar Labs

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