Senior engineer jobs in Cupertino, CA - 15,676 jobs

About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we're designing and building commercially viable fusion power plants. And working with policymakers and suppliers to build the energy industry of the future. We're in the best position to make it happen. Since 2018, we've raised nearly $3 billion in capital, making us the largest and leading private fusion company in the world. Now we're looking for more thinkers, doers, builders, and makers to join us. People who'll bring new perspectives, solve tough problems, and thrive as part of a team. If that's you and this role fits, we want to hear from you. Principal Mechanical Engineer We're looking for a Principal Mechanical Engineer to join our R&D and equipment design team to help build the next generation of thin‑film deposition technology. The Principal Mechanical Engineer will be responsible for the design and implementation of advanced R&D equipment and complex machinery. This role requires strong technical expertise, procedural discipline, and the ability to collaborate across engineering and technology functions to ensure safe, reliable, and high‑performance equipment. If you enjoy working on complex design problems, mentoring others, and solving problems in a collaborative, fast‑paced environment, this is your opportunity to make an impact. What you'll do: Lead the design and implementation of advanced R&D equipment for thin‑film processing, including ownership of key mechanical modules and sub‑systems Define system level requirements and drive innovative design concepts to meet these requirements Lead design reviews for overall mechanical system and key mechanical subsystems Generate and maintain interfaces with other engineering subsystems Report on and be accountable for project progress to stakeholders Work effectively within a multi‑disciplinary team of top scientists and engineers Mentor engineering staff for effectiveness and delivery of on‑time & in‑spec outcomes Get things done: drive projects, consistently deliver, act with speed What we're looking for: Master's degree in Mechanical Engineering or related field (or equivalent industrial experience) 15+ years of experience with at least 7 years of experience working as a principal mechanical design engineer or engineering team lead in a relevant context: design and implementation of R&D systems and manufacturing equipment Ability to conceive of novel solutions for complex engineering systems in challenging environments Expertise with 3D modeling; preferred experience with SolidWorks and NX Experience with COMSOL, ANSYS or other FEA tools Ability to select and qualify vendors for components or subsystems Demonstrated ability to lead in either direct or matrix structures Strong verbal and written communication skills and a dedication to high‑quality documentation Bonus points for: Ph.D. in Mechanical Engineering or related field (or equivalent industrial experience) Prior success building first‑of‑kind or experimental tools for material science or semiconductor R&D Familiarity in applying Semi‑S8, ASME, ACI, ASTM, and other mechanical standards to design solutions Experience with the operation of equipment in a manufacturing environment Must‑have Requirements: Ability to occasionally lift up to 50 lbs Perform activities such as stooping, climbing, standing, or sitting for extended periods of time Dedication to safety to mitigate industrial hazards that may include heat, cold, noise, fumes, strong magnets, lead (Pb), high voltage, and cryogenics Willingness to travel or work required nights/weekends/on‑call occasionally $150,000 - $225,000 a year Benefits Competitive compensation with equity 12.5 Company‑wide Holidays Flexible vacation days 10 sick days Generous parental leave policy Health, dental, and vision insurance 401(k) with employer matching Professional growth opportunities Team‑building activities #LI‑Onsite At CFS, we excel in fast‑paced environments, driven by our values of integrity, execution, impact, and self‑critique. As we grow, we're eager to bring on mission‑driven folks who offer diverse perspectives and fresh ways to tackle challenges. We value diversity deeply and are proud to be an equal opportunity employer by choice. We consider all qualified applicants equally, regardless of race, color, national origin, ancestry, citizenship status, protected veteran status, religion, physical or mental disability, marital status, sex, sexual orientation, gender identity or expression, age, or any other basis protected by law. This role requires compliance with U.S. laws concerning the export of controlled or protected technologies or information (collectively, “Export Control Laws #J-18808-Ljbffr

A global technology company is looking for a seasoned software engineer to enhance AI capabilities within their observability platform. Candidates should have a strong background in AI/ML systems, cloud computing, and robust technical leadership. This role is pivotal in driving innovation in data analysis and delivering scalable solutions. The ideal candidate will thrive in an agile environment and provide mentorship to junior engineers. Enjoy competitive salaries and benefits while contributing to impactful technology solutions. #J-18808-Ljbffr

An automotive giant is seeking a Staff ML Engineer for their ML Compute Platform to scale backend services and contribute to AI infrastructure. Responsibilities include designing software components, improving system efficiency, and leading initiatives. Candidates should have 7+ years of experience and expertise in languages like Go, C++, or Python, as well as a solid background in distributed systems. Join a team that's transforming mobility and tackling complex engineering challenges with AI applications. #J-18808-Ljbffr

At d-Matrix, we are focused on unleashing the potential of generative AI to power the transformation of technology. We are at the forefront of software and hardware innovation, pushing the boundaries of what is possible.Our culture is one of respect and collaboration. We value humility and believe in direct communication.Our team is inclusive, and our differing perspectives allow for better solutions.We are seeking individuals passionate about tackling challenges and are driven by execution. Ready to come find your playground? Together, we can help shape the endless possibilities of AI. Location: Hybrid, working onsite at our Santa Clara, CA headquarters 3 days per week. The role: Platform Validation Engineer, Customer Platforms - Tech Lead/Principal As a Platform Validation Engineer on our CPE team, you will be responsible for validating the reliability, stability, and performance of d-Matrix accelerator platforms integrated into industry-standard server systems and rack-scale solutions. You'll design and execute test plans that ensure our platforms meet the quality standards required for customer deployment and internal development. What you will do: Develop and execute system-level test plans for platform validation, including stress, thermal, and PCIe interoperability tests. Automate test frameworks and validation workflows to improve test coverage and efficiency. Drive root cause analysis and debug of failures in collaboration with hardware, firmware, and software teams. Ensure platforms meet internal and external quality criteria for production readiness. Document test procedures, results, and validation status across SKUs. What you will bring: Bachelor's or Master's in EE, CS, or related field. 5+ years of experience in GPU server platform validation, preferably with PCIe-based hardware. Preferred: Strong understanding of server architecture, Linux environments, and hardware-software interactions. Experience with test automation (e.g., Python, Bash) and validation tools. Detail-oriented with strong debugging and documentation skills. Experience working with ODM and OEM vendors for GPU servers and rack scale solutions Hands-on experience with Electrical Validation, Functional Validation and High Speed Bus Validation Hands-on experience updating firmware on servers and utilizing custom vendor software tools for debug Stress testing experience Strong debugging skills across hardware (compute and networking) and host/embedded software Equal Opportunity Employment Policy d-Matrix is proud to be an equal opportunity workplace and affirmative action employer. We're committed to fostering an inclusive environment where everyone feels welcomed and empowered to do their best work. We hire the best talent for our teams, regardless of race, religion, color, age, disability, sex, gender identity, sexual orientation, ancestry, genetic information, marital status, national origin, political affiliation, or veteran status. Our focus is on hiring teammates with humble expertise, kindness, dedication and a willingness to embrace challenges and learn together every day. d-Matrix does not accept resumes or candidate submissions from external agencies. We appreciate the interest and effort of recruitment firms, but we kindly request that individual interested in opportunities with d-Matrix apply directly through our official channels. This approach allows us to streamline our hiring processes and maintain a consistent and fair evaluation of al applicants. Thank you for your understanding and cooperation. #J-18808-Ljbffr

A leading social media platform in Palo Alto is looking for a Technical Lead Manager in Ads Conversion Modeling. This role includes leading the User Match Prediction roadmap, developing conversion models, and partnering with various teams to drive performance. Ideal candidates have a strong software engineering background, machine learning knowledge, and 6+ years of relevant experience. The position offers a competitive salary and hybrid work flexibility. #J-18808-Ljbffr

Altera .Senior OSAT Engineer page is loaded## Senior OSAT Engineerlocations: San Jose, California, United Statestime type: Full timeposted on: Posted Yesterdayjob requisition id: R01840# **Job Details:**### ## **Job Description:****About Altera**Altera is a global leader in FPGA and programmable logic solutions, enabling innovation in data center, communications, automotive, aerospace, and industrial markets. As we expand manufacturing capabilities for next-generation programmable devices, we are strengthening our OSAT engineering organization to deliver world-class backend manufacturing performance.**Role Summary**We are seeking a highly skilled **Senior OSAT Engineer** to drive outsourced assembly and test engineering activities across Altera's global supplier network. You will lead NPI readiness, yield optimization, cost improvements, and qualification activity for packaging and test flows supporting Altera's FPGA/SoC product lineup. This role requires strong semiconductor backend engineering experience, hands-on problem solving, and the ability to collaborate closely with OSAT partners and cross-functional stakeholders.**Key Responsibilities*** Lead technical engagement with OSAT suppliers on assembly and test process development, yield ramp, quality improvement, and volume manufacturing readiness.* Drive new product introduction (NPI) from engineering builds through production release, ensuring OSAT capability meets electrical/thermal/mechanical requirements for FPGA and SoC products.* Optimize packaging and test architectures for performance, cost, and reliability: flip-chip BGA, high-pin-count packages, substrate technologies, wafer-level solutions, burn-in/FT coverage.* Monitor and improve backend yield performance using data-driven analysis; identify systemic issues and lead root cause / corrective actions.* Partner with Test Engineering, Packaging, Product Engineering, DFM, and Quality teams on process optimization, failure analysis, and manufacturability improvements.* Implement and maintain process control systems, SPC methodologies, automation improvements, and lean manufacturing principles at OSAT.* Support cost reduction initiatives including BOM optimization, process simplification, and cycle time improvements.* Track supplier performance metrics (yield, DPPM, cost, cycle time, OEE) and provide updates with risk assessments and mitigation plans.* Lead or support reliability testing and package qualification activities aligned to industry standards (JEDEC, IPC, AEC-Q).* Maintain strong technical relationship and communication cadence with OSAT partners to ensure transparency, collaboration, and escalation management.**Salary Range**The pay range below is for Bay Area California only. Actual salary may vary based on a number of factors including job location, job-related knowledge, skills, experiences, trainings, etc. We also offer incentive opportunities that reward employees based on individual and company performance.**$159,700 - $231,000 USD**We use artificial intelligence to screen, assess, or select applicants for the position. Applicants must be eligible for any required U.S. export authorizations.### ## **Qualifications:****Minimum Requirements*** Bachelor's degree in Electrical Engineering, Materials Science, Mechanical Engineering, or related field.* 10+ years of semiconductor assembly, packaging, or test engineering experience.* Hands-on experience with OSAT manufacturing environments, including wafer finishing, substrate attach, interconnect packaging, test, and burn-in.* Strong technical understanding of backend manufacturing flows: flip-chip, wire bond, underfill, molding, final test, reliability stress and analysis.* Proven ability to analyze yield, reliability, and cost data to drive engineering decisions and improvements.* Demonstrated success working with international suppliers and cross-functional teams.* Strong written and verbal communication skills, including technical reporting and supplier engagement.******Preferred Qualifications*** FPGA, ASIC, or SoC backend experience, particularly high-pin-count or high-power devices.* Experience in automotive or high-reliability product qualifications (AEC-Q / ISO standards).* Familiarity with advanced packaging: 2.5D/3D, fan-out WLP, heterogeneous integration.* Knowledge of supply chain risk mitigation, dual sourcing, and volume scaling strategies.* Experience with automation, traceability systems, and smart factory/manufacturing analytics.### ## **Job Type:**Regular### ## **Shift:**Shift 1 (United States of America)### ## **Primary Location:**San Jose, California, United States### ## **Additional Locations:**### ## **Posting Statement:**All qualified applicants will receive consideration for employment without regard to race, color, religion, religious creed, sex, national origin, ancestry, age, physical or mental disability, medical condition, genetic information, military and veteran status, marital status, pregnancy, gender, gender expression, gender identity, sexual orientation, or any other characteristic protected by local law, regulation, or ordinance. #J-18808-Ljbffr

A leading technology firm in California is looking for an experienced Staff Machine Learning Engineer. In this role, you will drive the technical direction of machine learning technology, design and build impactful solutions, and lead cross-team initiatives. The ideal candidate has extensive experience in machine learning and is skilled in collaboration and mentorship. This position offers competitive compensation with equity options and emphasizes a diverse and inclusive workplace. #J-18808-Ljbffr

A leading technology company is seeking a Staff Machine Learning Engineer based in Mountain View, CA. In this pivotal role, you will develop and deploy advanced machine learning models to address challenges in today's complex electric grid. You will lead model building efforts, mentor junior engineers, and collaborate on cross-functional projects. Ideal candidates have over 10 years of experience in machine learning, strong Python skills, and familiarity with ML frameworks like PyTorch and TensorFlow. Join us and make a significant impact on the energy future. #J-18808-Ljbffr

A Silicon Valley-based tech company is seeking a skilled AI Engineer to lead the maintenance and enhancement of AI solutions. The role involves optimizing AI systems, developing models, and managing APIs, predominantly using AWS services. Ideal candidates should have a strong background in AI development, proficiency in Python, and at least 6 years of experience. The position offers a competitive salary of $180,000 - $200,000 with comprehensive benefits and growth opportunities. #J-18808-Ljbffr

A technology company in Sunnyvale is seeking a Staff Hardware Systems Engineer to lead the development of system firmware and kernel-level software for high-performance server platforms. The ideal candidate has over 8 years of experience in hardware systems development and strong expertise in BIOS and firmware engineering. You will directly influence the company's future by enhancing hardware compatibility and performance. Competitive compensation and benefits are provided, including stock options. #J-18808-Ljbffr

Principal Enterprise IT Engineer, IT & Security About 1X: We're an AI and robotics company based in Palo Alto, California, on a mission to build a truly abundant society through general-purpose robots capable of performing any kind of work autonomously. We believe that to truly understand the world and grow in intelligence, humanoid robots must live and learn alongside us. That's why we're focused on developing friendly home robots designed to integrate seamlessly into everyday life. We're looking for curious, driven, and passionate people who want to help shape the future of robotics and AI. If this mission excites you, we'd be thrilled to hear from you and explore how you might contribute to our journey. Role Overview The Principal Enterprise IT Engineer will lead the strategy, architecture, and implementation of enterprise IT systems across the company. This role will define standards for identity, endpoint management, collaboration, and security while scaling IT infrastructure to support rapid organizational growth. You'll play a key leadership role, mentoring senior engineers and influencing cross-functional and executive stakeholders to align IT operations with strategic business needs. Responsibilities Define and drive enterprise IT strategy, architecture, and roadmaps across identity, collaboration, and device platforms Lead administration and scaling of Google Workspace, Okta, Intune, and MDM platforms with a focus on Zero Trust principles Develop and implement automation frameworks and scripting (Bash, Python, PowerShell) to streamline IT operations Align IT systems with compliance standards (e.g., SOC2, ISO 27001) and proactively mitigate enterprise risks Ensure seamless integration of IT systems with engineering, manufacturing, and robotics environments Act as senior escalation point for IT operations, mentoring IT engineers and building a high-performance function Influence executive and cross-functional stakeholders to ensure IT strategy supports business growth Requirements Expert-level knowledge of Google Workspace, Okta, Microsoft Intune, and MDM platforms across multiple OS (mac OS, Windows, iOS, Android) Strong scripting and automation skills (Bash, Python, PowerShell); experience implementing Zero Trust security Proven experience scaling IT systems globally in high-growth, cloud-first or hybrid environments Ability to lead IT architecture initiatives and partner with executive and security leadership Experience mentoring senior IT engineers and leading high-performance teams Preferred: Familiarity with Terraform, Ansible, and IT support for robotics or engineering-heavy environments Preferred: Certifications such as CISSP, Okta Certified Architect, Google Workspace Admin, or Microsoft Enterprise Mobility Benefits & Compensation Salary: $180,000 - $235,000 Health, dental, and vision insurance 401(k) with company match Paid time off and holidays Equal Opportunity Employer 1X is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, ancestry, citizenship, age, marital status, medical condition, genetic information, disability, military or veteran status, or any other characteristic protected under applicable federal, state, or local law. #J-18808-Ljbffr

A leading network and security company is seeking an Engineering Sr Manager to lead a team building and operating distributed cloud services. The role requires over 10 years of software engineering experience, including significant leadership experience. The successful candidate will drive engineering best practices, ensure secure and scalable solutions, and collaborate across teams. This position is hybrid, allowing flexibility in work location, and offers an attractive salary range between $216,800 and $325,200, complemented by various benefits. #J-18808-Ljbffr

About Us Rivian and Volkswagen Group Technologies is a joint venture between two industry leaders with a clear vision for automotive's next chapter. From operating systems to zonal controllers to cloud and connectivity solutions, we're addressing the challenges of electric vehicles through technology that will set the standards for software-defined vehicles around the world. The road to the future is uncharted. By combining our expertise across connectivity, AI, security and more, we'll map a new way forward. Working together, we'll create a future that's more connected, more intelligent, more sustainable for everyone. Role Summary As an engineer focusing on cellular and wireless integration for the Connected Systems Integration Team at R|V Tech, you will work alongside software developers, systems integrators, and system engineers to support features such as cellular, WiFi, Ethernet and GPS domains along with telematics, mobile app integration, and other Internet-dependent vehicle features, with a primary focus on cellular systems integration and bring-up. The cellular and wireless integration engineer will execute tests and integration of connectivity features and will also contribute to automation of these tests (in Python). The cellular and wireless integration engineer may also support other vehicle development activities which require connectivity support. These development activities may include drives in pre-production vehicles and will provide exposure to vehicle networks, cloud connectivity, and fleet management. The connectivity integration engineer may support time-critical test events and may be asked to support special investigations and projects. Responsibilities Your typical day looks like this: Attend meetings with development teams to understand new system designs and to align on test plans and expectations. Create design documentation and test plans for a new cellular feature implementation. Perform cellular testing using a specialized test chamber and test equipment; work with test equipment vendors to ensure compatibility and system integrity for automation. Perform complementary cellular testing on-vehicle using a prototype or fleet vehicle. Analyze logs from internal and external bugs to assess root cause of failure and create new work scope for dev teams. Core capabilities and behaviors should include: Strong fundamentals for test execution and documentation. The ability to correlate meaningful feedback from disparate data sets. Keen observation skills of wireless (WiFi, 5G, LTE, GPS, Bluetooth) behavior and performance. Deep understanding of telematics, end-to-end data routing and validation of data fidelity and frequency over different data links. Understanding of middleware and layered/encapsulated network schemes. Native Linux proficiency (command-line, tools, bring-up); embedded Linux a plus. Ability to identify and distinguish issues in hardware and/or software. Engage in discussions to test, bug fix, and optimize feature development based on data. Qualifications Bachelor's degree in either Computer Science, Computer Engineering, Electrical Engineering, Software Engineering, or Information Systems. Good understanding of 5GNR and LTE protocol stack. A working understanding of the OSI model and network protocols. Basic proficiency with scripting languages including Python and/or Shell. Basic proficiency with database manipulation and data presentation. Triage and diagnosis of complex connectivity issues to include root cause analysis, stability, and interoperability problems. A mindset geared towards collaboration and forward progress. Ability to thrive under pressure and time constraints. Availability to travel and/or support activities during off-peak hours as-needed. Pay Disclosure Salary Range/Hourly Rate for Palo Alto, California Based Applicants: $117,000 - $149,000 USD (actual compensation will be determined based on experience, location, and other factors permitted by law). Benefits Summary: Rivian and Volkswagen Group Technologies provides robust medical/Rx, dental and vision insurance packages for full-time and part-time employees, their spouse or domestic partner, and children up to age 26. Full Time Employee coverage is effective on the first day of employment. Part-Time employee coverage is effective the first of the month following 90 days of employment. Equal Opportunity Rivian and Volkswagen Group Technologies is committed to creating a diverse environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, ancestry, sex, sexual orientation, gender, gender expression, gender identity, genetic information or characteristics, physical or mental disability, marital/domestic partner status, age, military/veteran status, medical condition, or any other characteristic protected by law. We are also committed to ensuring compliance with all applicable fair employment practice laws regarding citizenship and immigration status. Rivian and Volkswagen Group Technologies is committed to ensuring that our hiring process is accessible for persons with disabilities. If you have a disability or limitation, such as those covered by the Americans with Disabilities Act, that requires accommodations to assist you in the search and application process, please email us at candidateaccommodations@rivian.com. Candidate Data Privacy Rivian and VW Group Technologies (“Rivian and Volkswagen Group Technologies”) may collect, use and disclose your personal information or personal data (within the meaning of the applicable data protection laws) when you apply for employment and/or participate in our recruitment processes (“Candidate Personal Data”). This data includes contact, demographic, communications, educational, professional, employment, social media/website, network/device, recruiting system usage/interaction, security and preference information. Rivian and VW Group Technologies may use your Candidate Personal Data for the purposes of (i) tracking interactions with our recruiting system; (ii) carrying out, analyzing and improving our application and recruitment process, including assessing you and your application and conducting employment, background and reference checks; (iii) establishing an employment relationship or entering into an employment contract with you; (iv) complying with our legal, regulatory and corporate governance obligations; (v) recordkeeping; (vi) ensuring network and information security and preventing fraud; and (vii) as otherwise required or permitted by applicable law. Rivian and Volkswagen Group Technologies may share your Candidate Personal Data with (i) internal personnel who have a need to know such information in order to perform their duties, including individuals on our People Team, Finance, Legal, and the team(s) with the position(s) for which you are applying; (ii) Rivian and Volkswagen Group Technologies affiliates; and (iii) Rivian and Volkswagen Group Technologies' service providers, including providers of background checks, staffing services, and cloud services. Rivian and Volkswagen Group Technologies may transfer or store internationally your Candidate Personal Data, including to or in the United States, Canada, and the European Union and in the cloud, and this data may be subject to the laws and accessible to the courts, law enforcement and national security authorities of such jurisdictions. Please see our Candidate Data Privacy Notice (English) and Candidate Data Privacy Notice (Serbian) for more information. Please note that we are currently not accepting applications from third party application services. #J-18808-Ljbffr

A tech-focused financial services firm in California is seeking a Cybersecurity/SRE professional to secure and maintain the reliability of its infrastructure. Responsibilities include building secure applications on AWS, managing identities, and strengthening Kubernetes security. The ideal candidate has expertise in Python, Terraform, and large distributed systems, and holds a proactive, problem-solving mindset. Competitive salary and comprehensive benefits included. #J-18808-Ljbffr

A leading technology company in Santa Clara is seeking a Machine Learning Engineer to shape upcoming products. You will develop models for information retrieval and collaborate on user-facing services like Siri and Safari. The ideal candidate has over 5 years of experience in machine learning with strong programming skills in languages such as Python, C++, or Java. This role offers competitive pay and comprehensive benefits. #J-18808-Ljbffr

A global technology leader is seeking an experienced engineer to implement GenAI services and APIs enhancing Splunk products. Candidates should have over 5 years of backend systems experience, excel in Python or TypeScript, and possess knowledge of LLM APIs. This role offers competitive pay and a variety of benefits including medical insurance, retirement plans, and generous paid time off, with a salary range of $181,000 to $235,000 annually based in Palo Alto, California. #J-18808-Ljbffr

A leading fusion energy company in Milpitas is seeking a Principal Mechanical Engineer to join their R&D team focused on advanced thin-film deposition technology. Responsibilities include designing R&D equipment, leading complex projects, and mentoring engineering staff. The ideal candidate will have a Master's in Mechanical Engineering, over 15 years of experience in mechanical design, and familiarity with tools such as SolidWorks and ANSYS. Competitive salary and benefits are offered, including 12.5 holidays and flexible vacation days. #J-18808-Ljbffr

A robotics and AI company in Palo Alto is seeking a Principal Enterprise IT Engineer responsible for leading IT strategy and architecture across the organization. The ideal candidate will have expert knowledge of Google Workspace and Okta, strong scripting skills, and experience scaling IT systems in high-growth environments. This role offers a competitive salary of $180,000 - $235,000 along with comprehensive health benefits and 401(k) matching. #J-18808-Ljbffr

A leading tech firm is seeking a recent graduate or final-year PhD/Master's student for a role focused on advancing NLP research within their Language AI features. Responsibilities include conducting rigorous research, collaborating with product managers, and innovating in AI solutions. Ideal candidates will have a strong background in machine learning and natural language processing, and experience with Python. This position is located in San Jose, California, and offers a competitive salary package. #J-18808-Ljbffr