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201 senior mechanical engineer jobs found in Santa Clara, CA

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senior mechanical engineer Santa Clara, CA
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SI
Sep 14, 2026
Full time
Senior Mechanical Engineer
$160,000 - $250,000 yearly
SSOE, Inc. Santa Clara, CA
Overview Within SSOE's Advanced Technology division, we specialize in high-tech facility design, offering top-tier design and engineering services to a diverse array of clients and markets. Our team is composed of highly skilled and knowledgeable professionals who excel across various disciplines. We pride ourselves on our cross-disciplinary approach, which allows us to understand and address our clients' needs more comprehensively than traditional, siloed methods. What sets us apart is our ability to seamlessly conceptualize, plan, and detail every aspect of design. Our in-house experts collaborate closely, optimizing and enhancing our work through multi-discipline strategy sessions. By leveraging cutting-edge techniques and state-of-the-art software, we deliver industry-leading technology and innovative solutions from day one. SSOE is looking to hire a Senior Mechanical Engineer to join our dynamic team. In this role, you will lead design engineering and shaping the future...
AN
Sep 08, 2026
Full time
Senior Mechanical Engineer
$300,000 - $655,000 yearly
Arista Networks Santa Clara, CA
Company Description Arista Networks is an industry leader in data-driven, client-to-cloud networking for large data center, campus and routing environments. What sets us apart is our relentless pursuit of innovation. We leverage the latest advancements in cloud computing, artificial intelligence, and software-defined networking to provide our clients with a competitive edge in an increasingly interconnected world. Our solutions are designed to not only meet the current demands of the digital landscape but to also anticipate and adapt to future challenges. At Arista we value the diversity of thought and perspectives that each employee brings to the table. We believe that fostering an inclusive environment, where individuals from various backgrounds and experiences feel welcome, is essential for driving creativity and innovation. Our commitment to excellence has earned us several prestigious awards, such as Best Engineering Team, Best Company for Diversity, Compensation, and...
Da
Sep 08, 2026
Full time
Senior Mechanical Engineer
$116,000 - $150,000 yearly
Danaher San Jose, CA
Bring more to life. Are you ready to accelerate your potential and make a real difference within life sciences, diagnostics and biotechnology? At Molecular Devices, one of Danaher's 15+ operating companies, our work saves lives-and we're all united by a shared commitment to innovate for tangible impact. You'll thrive in a culture of belonging where you and your unique viewpoint matter. And by harnessing Danaher's system of continuous improvement, you help turn ideas into impact - innovating at the speed of life. Join Molecular Devices and help drive scientific discovery for life science customers in academia, biotech, pharma, and government. Our automated and AI-enabled technology empowers researchers to tackle complex questions and gain deep insights, accelerating the development of safer, more effective therapeutics. As part of our team-rooted in collaboration, authenticity, and innovation-you'll ultimately contribute to groundbreaking science that enhances lives globally...
FC
Mar 27, 2026
Contractor
Senior Mechanical Engineer
$75.00 - $85.00 hourly
Fresh Consulting Sunnyvale, CA
Fresh Consulting is a design-led, software development and hardware engineering company, offering end-to-end digital services to help companies innovate. We bring together amazing UX designers, sophisticated developers, digital strategists, and top-notch engineers to help companies create fresh experiences that connect humans, systems, and machines. We've been growing fast and need someone to help us continue to manage the delivery of high-quality work in a fast-paced environment. See more at freshconsulting.com Visit freshconsulting.com/portfolio to see our project work across several industries. View and apply to all jobs - https://freshconsulting.applytojob.com/apply/ or visit freshconsulting.com/careers Title: Senior Mechanical Engineer Location: Onsite in Sunnyvale, CA Benefits: Employee benefits at 100% including Medical, PTO, Holiday Pay, 401K Plan and much more! Hours: Minimum 40 Hours/Week Job Description Lead exploration, prototyping, maturing and implementation of...
PF
Aug 05, 2026
Full time
Senior Mechanical Engineer - Pulser Modules
$138,100 - $263,800 yearly
Pacific Fusion Fremont, CA
About Pacific Fusion Pacific Fusion was founded in 2023 with the mission to power the world with abundant, affordable, clean energy. We are rapidly designing and building a pulser-driven inertial fusion system to achieve net facility gain (more fusion energy output than stored energy input). In parallel, we are developing the key components required to build affordable fusion systems. Our plans are ambitious. We have raised over $900M so far from incredible investors, resourcing us to deliver on these plans. We are bringing together the best scientists, engineers, and operators from the fusion community, hard tech industry, and other sectors. We are united by a shared sense of urgency to provide clean power for the world, particularly managing climate change while meeting growing global energy demand. You can read more about us in this letter from our founders. Why This Role Matters Pacific Fusion is seeking an exceptional Senior Mechanical Engineer to help create the...
V3
Aug 05, 2026
Full time
Senior Mechanical Engineer (Manufacturing Engineering)
$145,000 - $170,000 yearly
Velo3D Fremont, CA
Position Overview: As a Senior Mechanical Engineer in an additive manufacturing company, you'll lead the development, and improvement of additive manufacturing processes and products, leveraging your expertise in mechanical engineering, materials science, and 3D printing technologies. You will research, develop, design, test, evaluate, and document mechanical components, subassemblies, equipment, and systems, applying principles and techniques of mechanical engineering. This position is responsible to work independently and as a member of a team supporting the development of capital equipment. Essential Functions Research, develop, and design mechanical and electromechanical and/or pneumatic prototypes, systems and subsystems for capital equipment (involving stepper or servo motors, pneumatic pumps, valves, etc...) Perform GD&T analysis of designs at the system and subsystem level Conduct system level integration and validation of designs (testing and troubleshooting)...
PF
Dec 25, 2025
Full time
Senior Mechanical Engineer - Large Structures
Pacific Fusion Fremont, CA
About Pacific Fusion Pacific Fusion was founded in 2023 with the mission to power the world with abundant, affordable, clean energy. We are rapidly designing and building a pulsed magnetic fusion system to achieve net facility gain (more fusion energy output than stored energy input). In parallel, we are developing the key components required to build affordable fusion systems. Our plans are ambitious. We have raised over $900M so far from incredible investors, resourcing us to deliver on these plans. We are bringing together the best scientists, engineers, and operators from the fusion community, hard tech industry, and other sectors. We are united by a shared sense of urgency to provide clean power for the world, particularly managing climate change while meeting growing global energy demand. You can read more about us in this letter from our founders. Why This Role Matters Pacific Fusion is seeking an exceptional Senior Mechanical Engineer to join our dynamic team...
PF
Sep 08, 2026
Full time
Senior Mechanical Engineer - Test Infrastructure
$138,100 - $263,800 yearly
Pacific Fusion San Leandro, CA
About Pacific Fusion Pacific Fusion was founded in 2023 with the mission to power the world with abundant, affordable, clean energy. We are rapidly designing and building a pulser-driven inertial fusion system to achieve net facility gain (more fusion energy output than stored energy input). In parallel, we are developing the key components required to build affordable fusion systems. Our plans are ambitious. We have raised over $900M so far from incredible investors, resourcing us to deliver on these plans. We are bringing together the best scientists, engineers, and operators from the fusion community, hard tech industry, and other sectors. We are united by a shared sense of urgency to provide clean power for the world, particularly managing climate change while meeting growing global energy demand. You can read more about us in this letter from our founders. Why This Role Matters Pacific Fusion is seeking a Senior Mechanical Engineer to lead the mechanical design,...
PF
Aug 05, 2026
Full time
Senior Mechanical Engineer
$138,100 - $263,800 yearly
Pacific Fusion San Leandro, CA
About Pacific Fusion Pacific Fusion was founded in 2023 with the mission to power the world with abundant, affordable, clean energy. We are rapidly designing and building a pulser-driven inertial fusion system to achieve net facility gain (more fusion energy output than stored energy input). In parallel, we are developing the key components required to build affordable fusion systems. Our plans are ambitious. We have raised over $900M so far from incredible investors, resourcing us to deliver on these plans. We are bringing together the best scientists, engineers, and operators from the fusion community, hard tech industry, and other sectors. We are united by a shared sense of urgency to provide clean power for the world, particularly managing climate change while meeting growing global energy demand. You can read more about us in this letter from our founders. Why This Role Matters Pacific Fusion is seeking an exceptional Senior Mechanical Engineer to help create the...
FI
Aug 05, 2026
Full time
Senior Mechanical Engineer
$100,000 - $185,500 yearly
Fisica, Inc. San Leandro, CA
Job Title: Sr. Specialist, Mechanical Engineer Job Location: San Leandro, CA (100% onsite) Business Unit: Randtron About Fisica Inc. Fisica, Inc. is a premier manufacturer of advanced defense products, specializing in the design and production of airborne and ground-based antennas, as well as cutting-edge electromagnetic systems and simulators. Headquartered in San Leandro, California, with additional operations in Simi Valley, Fisica plays a vital role as a trusted partner to leading defense primes and the U.S. Department of Defense. Our company operates as - ATI, Randtron, Datron and Space Vector -each bringing deep expertise and innovation to the defense sector. Led by a seasoned management team, Fisica is committed to excellence in engineering, manufacturing, and mission-critical solutions that enhance national security. At Fisica, we foster a strong, collaborative work culture that values individual contributions and empowers our employees. Our commitment to...
PF
Dec 25, 2025
Full time
Senior Mechanical Engineer
Pacific Fusion San Leandro, CA
About Pacific Fusion Pacific Fusion was founded in 2023 with the mission to power the world with abundant, affordable, clean energy. We are rapidly designing and building a pulsed magnetic fusion system to achieve net facility gain (more fusion energy output than stored energy input). In parallel, we are developing the key components required to build affordable fusion systems. Our plans are ambitious. We have raised over $900M so far from incredible investors, resourcing us to deliver on these plans. We are bringing together the best scientists, engineers, and operators from the fusion community, hard tech industry, and other sectors. We are united by a shared sense of urgency to provide clean power for the world, particularly managing climate change while meeting growing global energy demand. You can read more about us in this letter from our founders. Why This Role Matters Pacific Fusion is seeking an exceptional Senior Mechanical Engineer to join our dynamic team...
SG
Sep 11, 2026
Full time
Senior Mechanical Engineer
$148,000 - $174,000 yearly
SmithGroup San Francisco, CA
SmithGroup is an integrated design firm with a reputation for cultivating a top-ranked culture while pioneering award-winning innovative design solutions. We blend research, data and technology with ingenuity and a creative spirit to deliver resilient, inclusive spaces that solve our clients' greatest challenges. Our teams create exceptional design solutions for healthcare, science and technology, workplace, mixed use, higher education, cultural, waterfront, parks and open spaces, and urban environments. We are looking for passionate problem solvers who want to elevate design, push boundaries and create a more resilient future. The San Francisco office of SmithGroup is looking for a Senior Mechanical Engineer to join our team. Working with us, you will: Serve as the engineering leader through all stages of a project of any size and play a larger role in the marketing of the studio and management of the discipline. Actively promote and advocate for increased energy...
Mi
Sep 08, 2026
Full time
Senior Mechanical Engineer (Medical)
Midjourney San Francisco, CA
We're looking for a Senior Mechanical Engineer for Midjourney Medical - from precision electromechanical assemblies up to the large-scale structures and mechanisms that hold everything together and make it move. This role spans the full range of scale: one week you might be refining a compact transducer mount, the next you're architecting a structural frame or designing the motion system that positions hardware within it. This is a hands-on role on a small cross-functional team. You'll take problems from whiteboard sketch to working hardware yourself - designing in CAD, prototyping in the shop, testing, iterating, and integrating with research teams, electrical and software engineers along the way. We move fast and expect you to drive your own work: identifying what needs to happen next, making sound engineering calls without waiting for permission, and shipping hardware that works. What you'll do Own parts of the mechanical systems end to end - structures, mechanisms, and...
NR
Aug 05, 2026
Full time
Senior Mechanical Engineer
$150,000 - $220,000 yearly
Nimble Robotics San Francisco, CA
About Nimble Nimble is an AI robotics company building the autonomous supply chain to power fast, efficient and economical commerce. We're training robot AGI to power a proprietary generalist supply chain superhumanoid, the first robot in the world capable of performing thousands of tasks across the supply chain. We've raised over $220M at over $1B valuation and formed a strategic alliance with FedEx to build a national network of autonomous warehouses capable of generating many billions in annual revenue. We are a hardcore and obsessed team of the world's best engineers and operators. If you are obsessed with your craft, enjoy a high-intensity and fast moving high impact environment, are super high agency in getting hard things done and want to be part of building the world's most legendary robotics company at the most pivotal moment in history, we want to work with you. We are on a mission to empower and inspire mankind to accomplish legendary feats by inventing robots that...
RR
Aug 05, 2026
Full time
Senior Mechanical Engineer
Remedy Robotics, Inc San Francisco, CA
Remedy Robotics is a medical technology company developing robotic systems for endovascular intervention. Its proprietary technology combines robotics, machine learning, and advanced computer vision to help physicians perform highly precise endovascular procedures and expand access to life-saving stroke and cardiovascular care. Initially focused on neurovascular intervention, Remedy is addressing the limited availability of specialized treatment for time-critical cardiovascular emergencies, with the long-term goal of enabling expert intervention regardless of patient location. Headquartered in San Francisco, Remedy is backed by DCVC, Blackbird, and Tony Fadell's Build Collective, among others. We're looking for a motivated, senior mechanical engineer to design key components of a novel, life saving surgical robot. What You'll Do: Design mechanisms for a surgical robot and single-use surgical tools. Participate in the entire design cycle, including the development of...
GE
Aug 05, 2026
Full time
Senior Mechanical Engineer, HVAC
$90,000 - $122,000 yearly
Giga Energy San Francisco, CA
About Giga Giga is building gigawatts of AI data centers to hasten a future of intelligence and abundance. We build data centers fast and at scale by combining the capabilities of an equipment supplier, engineering firm, general contractor, and real estate developer under one roof. Our team moves quickly and thinks practically. If you're ready to make an impact in an industry that matters, we're looking for people like you. Why join Giga The Pace: We're building at a speed most companies talk about but never actually operate at. If you've been bored somewhere else, you won't be here. The Impact : Every person at Giga touches the work that matters. No layers, no waiting for approval chains. You'll see your fingerprints on what we ship. The Team: A team of operators defining the future of AI infrastructure. We recruit A-players from the most innovative companies in the world, and they choose Giga because the work here means more. The Moment : AI doesn't run without...
As
Aug 25, 2025
Full time
Senior Mechanical Engineer
$140,000 - $185,000 yearly
Astranis San Francisco, CA
As a team, we've launched five satellites into orbit, signed ten commercial deals worth over $1 billion in revenue, raised over $750 million from top global investors, and recruited a team of over 400 world-class engineers. We all work out of our (legendary) San Francisco office, which was once used to build ships during the World Wars. Our satellites, which operate from geostationary orbit (GEO), weigh only 400 kg and utilize a proprietary software-defined radio payload. Each satellite can connect over two million people, and we're very excited for the impact we'll soon have in the Philippines, Mexico, and more! Backed by substantial funding and a passionate, collaborative team, we offer a rewarding work environment where you'll learn and make a significant impact, no matter where you are in your career. Senior Mechanical Engineer As an Astranis Senior Mechanical Engineer you will own the complete lifecycle of various subsystems on our spacecraft. Whether it is incremental...
ET
Sep 08, 2026
Full time
Senior Mechanical Engineer
$140,000 - $170,000 yearly
EUV Tech Martinez, CA
Candidates often screen themselves out of job applications if they do not meet all the qualifications. So, please apply if you're excited about a role at EUV Tech-we would love to see your application. At EUV Tech, we enable the frontiers of semiconductor manufacturing and material science through the development of world-leading extreme ultraviolet and soft x-ray instrumentation and techniques. EUV Tech stands at the forefront of the next era in advanced semiconductor manufacturing, delivering new and innovative solutions worldwide. If you are looking to push the limits of cutting-edge technology in an impactful role with a talented team, we would love to hear from you! About the Role In this role, the Senior Mechanical Engineer will build groundbreaking systems, from the cutting edge of precision manipulation to measure devices used in the next generation of computer chip manufacturing. The Senior Mechanical Engineer will design, assemble, and commission Semiconductor...
CA
Sep 08, 2026
Full time
Senior Mechanical Engineer
$140,000 - $170,000 yearly
CKC Automation LLC Benicia, CA
Job Type Full-time Description About CKC Automation CKC Automation transforms manufacturing processes through innovative automation solutions. Founded in 2005 (as CKC Engineering) and headquartered in Benicia, CA, we serve diverse industries across the Bay Area and West Coast - including automotive, medical device, pharmaceutical, energy, and semiconductor - combining deep technical expertise with creative problem-solving to tackle complex manufacturing challenges. We design and build custom automation solutions that improve efficiency, enhance quality, and drive innovation. Our offerings include: Machine - Robotic workcells, build-to-print solutions, prototype equipment, and fixtures Panel - High-volume panel assembly from our UL 508A-certified panel shop Controls / Data - PLC, HMI, and robotic integration for optimized production. Real-time monitoring, analytics, and SCADA/data infrastructure Website: ckcautomation.com About this Role On-Site As a...
On
Aug 05, 2026
Full time
Senior Mechanical Engineer
Onto Milpitas, CA
Onto Innovation is a leader in process control, combining global scale with an expanded portfolio of leading-edge technologies that include: 3D metrology spanning the chip from nanometer-scale transistors to micron-level die-interconnects; macro defect inspection of wafers and packages; metal interconnect composition; factory analytics; and lithography for advanced semiconductor packaging. Our breadth of offerings across the entire semiconductor value chain helps our customers solve their most difficult yield, device performance, quality, and reliability issues. Onto Innovation strives to optimize customers' critical path of progress by making them smarter, faster and more efficient. Job Summary & Responsibilities The mission of the Sr. Mechanical Engineer is to support sustaining of released Metrology products, introduction of new designs and creation of upgrades impacting both Manufacturing and Service environments, focusing on mechanical and opto-mechanical subsystems....
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