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157 senior staff mechanical engineer jobs found

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Full time senior staff mechanical engineer California
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HI
Aug 05, 2026
Full time
Senior Staff Mechanical Engineer
$165,000 - $190,000 yearly
Halo Industries, Inc. Santa Clara, CA
The Company Halo Industries has developed technology that replaces an outdated semiconductor material slicing process. Our innovative, laser-based solution not only minimizes waste but also enhances material efficiency, thereby enabling advancements across high-growth markets, including automotive, telecommunications, and power electronics. Founded in 2014 at Stanford University, Halo Industries secured significant funding in 2024, fueling our expansion and the preparation for volume manufacturing. The Opportunity Halo Industries is seeking a Senior Staff Mechanical Engineer who will lead in the design, testing, integration and deployment of both proprietary and commercial wafer processing equipment. Working with Halo's product and manufacturing teams, the hired candidate will contribute to the optimization and scaled deployment of Halo's technology. The primary responsibilities of the position include: Lead the design, build, and test of high-precision...
FS
Mar 22, 2026
Full time
Senior / Staff Mechanical Engineer - R&D
$135,000 - $175,000 yearly
Fulfil Solutions Mountain View, CA
Fulfil is a well-funded, rapidly growing, and inclusive company that has developed a custom automation robotics system to pick and pack online orders of groceries and other consumables, bringing delight and a value proposition to consumers that doesn't exist today. Additionally, its unique design and technology is purpose-built to solve today's environmental problems in the world's food supply chain. Founded by a team with previous startup success and backed by top-tier VCs, we are committed to reducing waste, improving environmental impact, and reducing emissions with truly new technology. Our first commercial product launch went live in 2024, we deployed more in 2025 and are in line for even more in 2026. We can't do it alone -- we're seeking curious, capable, passionate team members motivated by the opportunity to create lasting impact on the world through their work. This role offers ample growth opportunities while working side-by-side with an impassioned, multi-disciplinary...
TA
Mar 30, 2026
Full time
Mechanical Engineer, Missile Defense (Senior-Staff)
True Anomaly Long Beach, CA
A new space race has begun. True Anomaly seeks those with the talent and ambition to build innovative technology that solves the next generation of engineering, manufacturing, and operational challenges for space security and sustainability. OUR MISSION The peaceful use of space is essential for continued prosperity on Earth-from communications and finance to navigation and logistics. True Anomaly builds innovative technology at the intersection of spacecraft, software, and AI to enhance the capabilities of the U.S., its allies, and commercial partners. We safeguard global security by ensuring space access and sustainability for all. OUR VALUES Be the offset. We create asymmetric advantages with creativity and ingenuity What would it take? We challenge assumptions to deliver ambitious results It's the people. Our team is our competitive advantage and we are better together YOUR MISSION The next generation of missile defense demands hardware that performs flawlessly at...
BE
Sep 16, 2026
Full time
Senior Staff Electrical Engineer, NPI
$147,600 - $212,400 yearly
Bloom Energy San Jose, CA
At Bloom Energy, our vision for a world powered by clean, reliable, and affordable energy is more than just a dream-we're making it reality. For over two decades, we've been at the forefront of the global energy transition, pioneering solutions that empower critical industries to thrive in a rapidly digitizing, energy-intensive world. From revolutionizing power for AI-driven data centers to ensuring resilience for hospitals, electric grids, manufacturing facilities, and utilities, our solid oxide fuel cell (SOFC) and solid oxide electrolyzer (SOEC) technologies are redefining what's possible by delivering energy abundance for all. With more than 30,000 fuel cell modules deployed worldwide, we are the trusted partner for Fortune 100 companies and innovators alike. Our cutting-edge solutions enable unparalleled "time-to-power" capabilities, reliability, and sustainability, ensuring our customers remain ahead in a world where soaring energy demand and intensifying energy scarcity are...
JA
Sep 16, 2026
Full time
Staff Mechanical Engineer - Charging Systems
$161,200 - $221,700 yearly
Joby Aviation San Carlos, CA
Company Overview Imagine a piloted air taxi that takes off vertically, then quietly carries you and your fellow passengers over the congested city streets below, enabling you to spend more time with the people and places that matter most. At Joby, we've been working to make that dream a reality since 2009 and we're now in the final stages of certifying our aircraft with the FAA. With plans to launch our aircraft in the US and Dubai, we're now scaling manufacturing and preparing for the launch of our commercial service. Overview About the GSE Team The Ground Support Equipment team designs and builds the charging and thermal conditioning infrastructure that keeps Joby's eVTOL fleet flying. We develop everything from stationary high-power dispensers and charge handles to mobile all-in-one charging systems - hardware that must work reliably in airports, vertiports, and remote sites around the world. We're a small, high-ownership team: everyone here owns hardware from napkin...
AV
Sep 16, 2026
Full time
Sr. Mechanical Engineer
AeroVironment, Inc. Moorpark, CA
Worker Type Regular Job Description Summary The Sr. Mechanical Engineer applies engineering techniques to design, install, modify, analyze, repair and test tools, engines, machines and other mechanically functioning equipment. Leads and supports the mechanical design, testing, and production of electrical machines as well as the design of electronics packaging for high altitude aerospace applications. Leads or supports mechanical packaging development effort for electronic equipment that withstand stringent environmental requirements (i.e., mass, volume, thermal, vibration). Manages mid-size development projects outsourced to sub-contractors (development of a system, equipment or components). Position Responsibilities Leads or supports the thermal, structural, dynamic, and fluid flow analysis efforts for electronics equipment Leads the testing and data collection in the laboratory and the field Models the mechanical devices and selects the proper material...
VS
Sep 16, 2026
Full time
Senior Space Build Reliability Engineer
Varda Space Industries El Segundo, CA
About Varda Low Earth orbit is open for business. Varda is accelerating the development of commercial space infrastructure, from in-orbit pharmaceutical processing to reliable and economical reentry capsules. Varda's W-Series vehicles are built, designed, and operated by Varda in-house, including the pharmaceutical processing payloads, the capsules, the C-PICA heat shields, and the satellite buses. From life-saving pharmaceuticals to more powerful fiber optics, there is a world of products used on Earth today that can only be manufactured in space. Varda is accelerating innovation in the orbital economy by creating both the products and infrastructure needed so space can directly benefit life on Earth. Our mission is to expand the economic bounds of humankind. Our team is uniquely suited to accomplishing this goal, with leadership and staff comprised of veterans from SpaceX, Blue Origin, major pharmaceutical companies and Silicon Valley. Varda was founded in January 2021 by...
CE
Sep 15, 2026
Full time
Water/Wastewater Engineer (Mid-Level -Senior)
$83,300 - $190,000 yearly
Carollo Engineers Inc. Fresno, CA
Overview Carollo Engineers is a leading engineering firm dedicated exclusively to water. For over 90 years, we've specialized in the planning, design, and construction of water, wastewater, stormwater, and reuse facilities, bringing innovative and sustainable solutions to the water sector's most complex challenges. We work with water agencies, municipalities, utilities, research organizations, and private companies across various industries, including technology, manufacturing, and beyond. These clients choose Carollo because we employ some of the most knowledgeable and experienced professionals in the world. When you join our team, you'll work alongside industry leaders who are advancing the science of water, protecting public health, and building resilient communities. Carollo's vision is to be the best water consulting firm and the best place for you to build your career. If you're passionate about making a difference in this critical field, we invite you to explore a career...
CS
Sep 13, 2026
Full time
Senior Project Engineer
C&S Companies San Diego, CA
Position Summary C&S Companies is seeking a Senior Project Engineer to support the SESW Facilities team in San Diego. This position is for a licensed mechanical engineer with a strong business development focus and the technical capability to independently produce high-quality mechanical design deliverables in Revit. The successful candidate will help grow C&S's mechanical facilities presence in the California market by building client relationships, identifying and shaping opportunities, providing market intelligence, and supporting proposal and pursuit activities. The role also requires hands-on engineering leadership, including design production, coordination, quality review, and technical support throughout project delivery. Key Responsibilities Business Development and Market Leadership Lead and support business development activities for mechanical facilities services throughout California. Develop and maintain relationships with clients, owners,...
AV
Sep 13, 2026
Full time
Sr. Staff Systems Engineer
$147,000 - $224,250 yearly
AeroVironment, Inc. Simi Valley, CA
Worker Type Regular Job Description Summary: The Sr. Staff Systems Engineer works with our Design Team to develop a variety of innovative Uncrewed Systems for defense and commercial applications. This position will interact with Design Engineers to allocate requirements and influence and develop system architecture and tests to support customer needs. These development efforts will generally be carried out by small, focused design teams, which will require engineers to use a range of skills and tools across traditional engineering, computer science, and mathematical disciplines. Because of the nature of these development efforts, the engineer will need to work on a variety of stages of development, including requirements definition, concept design, prototyping, detailed system architecture design, validation, and verification testing. Position Responsibilities Work closely with program Chief Engineers and IPT leads to support system architecture, design, and test...
BN
Sep 13, 2026
Full time
Senior Project Engineer
$85,000 - $140,000 yearly
BNBuilders Los Angeles, CA
Collaborative people. Progressive builders. Consistently recognized as a best workplace, and for our commitment to safety, sustainability, and community partnerships, BNBuilders hires the very best in the construction industry and strives to create an environment that encourages innovation, responsibility, and client satisfaction. If you are looking to be a part of an open, supportive team and receive exciting challenges that promote personal and professional growth, look no further than BNBuilders! JOB SUMMARY: The Senior Project Engineer assists and supports the Project Manager on assigned projects. The position works under direct supervision, performs routine daily activities, and gathers and distributes information. SALARY RANGE: $85,000 - $140,000 annually (companywide) BENEFITS: Group medical, vision, and dental insurance, including a choice of two benefit plans - a PPO plan and a High Deductible/ Health Savings Account plan with company contribution to HSA....
QS
Sep 12, 2026
Full time
Senior Mechanical Design Engineer
QuantumScape Corporation CA
QuantumScape is on a mission to transform energy storage with solid-state lithium-metal battery technology. The company's next-generation batteries are designed to enable greater energy density, faster charging and enhanced safety to support the transition away from legacy energy sources toward a lower carbon future. About the team : The Hardware and Automation team at QuantumScape is a multidisciplinary group of systems, hardware, controls, and automation engineers responsible for designing, developing, and deploying first-of-kind manufacturing equipment that enables the scale-up of solid-state battery technology. The team owns equipment solutions from early concept and specification through build, validation, and production readiness, working in close partnership with cell design, process engineering, metrology, data automation, and operations. The team prides itself on hands-on engineering, rigorous problem solving, and delivering scalable, reliable automation in highly...
BE
Sep 12, 2026
Full time
Staff Equipment Engineer, Mechanical
Bloom Energy Fremont, CA
For over two decades, we've been at the forefront of the global energy transition, pioneering solutions that empower critical industries to thrive in a rapidly digitizing, energy-intensive world. From revolutionizing power for AI-driven data centers to ensuring resilience for hospitals, electric grids, manufacturing facilities, and utilities, our solid oxide fuel cell (SOFC) and solid oxide electrolyzer (SOEC) technologies are redefining what's possible by delivering energy abundance for all. With more than 30,000 fuel cell modules deployed worldwide, we are the trusted partner for Fortune 100 companies and innovators alike. Our cutting-edge solutions enable unparalleled "time-to-power" capabilities, reliability, and sustainability, ensuring our customers remain ahead in a world where soaring energy demand and intensifying energy scarcity are rapidly becoming the new norm. At Bloom, we thrive on collaboration, bold thinking, and relentless innovation. We believe that, together, we...
AD
Sep 12, 2026
Full time
Program Engineer
Armtec Defense Technologies Coachella, CA
Program Engineer, Armtec Defense Technologies Armtec Defense Technologies (Armtec) is an operating unit of the Transdigm Group (NYSE: TDG), an industry leader in aerospace and defense products and services. Armtec is comprised of three business units producing subcomponents for ordnance in Coachella, CA; decoy countermeasure flares in Camden AR; and radar countermeasure chaff in Lillington NC. At Armtec, we welcome skilled and enthusiastic people who share our determination and high standards to join us in our mission-critical work supporting the US and allied war-fighters who serve us all by defending democracy and protecting freedom. This position is staffed in Coachella, at Armtec's world-class, sole-source production facility for felted fiber nitrocellulose combustible cartridge cases for medium and large caliber military ammunition; and pyrophoric payloads for training grenades. Company Profile Company: Armtec Defense Technologies is an operating unit of the TransDigm Group...
At
Sep 12, 2026
Full time
Senior Optical Manufacturing Engineer
$91,625 - $156,600 yearly
Attalon Richmond, CA
Attalon / Location Overview Join Attalon, a global innovator in advanced optical technologies supporting aerospace, defense, and scientific research. Our Richmond facility is home to world-class engineering talent and state-of-the-art manufacturing capabilities. Here, you'll help build optical systems that empower breakthrough missions and cutting-edge discoveries. Job Title Senior Optical Manufacturing Engineer Job Details Attalon is seeking a highly skilled Senior Optical Manufacturing Engineer to drive the next generation of precision optical manufacturing. In this role, you will shape the processes behind mission-critical lenses, mirrors, telescopes, and optical assemblies used in advanced aerospace and defense applications. You'll lead the transition of innovative designs from concept to production, optimize performance on the factory floor, and play a central role in ensuring Attalon delivers unmatched quality and reliability. If you're energized by complex...
SG
Sep 11, 2026
Full time
Senior Mechanical Engineer
$129,000 - $152,000 yearly
SmithGroup San Diego, 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 Diego 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 efficiency,...
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...
Uo
Sep 10, 2026
Full time
Professional Mechanical Engineer
University of California San Francisco San Francisco, CA
Job Description Job Summary: Professional Mechanical Engineer involves engineering design, construction and alteration of electrical, mechanical, gaseous and liquid systems in buildings, facilities and other structures. Involves new construction, major alterations and maintenance of physical plant facilities for general purposes. Includes civil, electrical and mechanical engineering specialties. Uses skills as a seasoned, experienced engineering professional to operate independently in a professional specialized engineering phase of major construction projects, performs design engineering work for projects of limited scope, and / or improves design of physical plant engineering systems. Demonstrates good judgment in selecting methods and techniques for obtaining solutions. Under the general direction and guidance of the Assistant Director of Engineering, this Professional Mechanical Engineer is responsible for independently performing design, specification and submittal...
HO
Sep 10, 2026
Full time
Project Engineer - Structural
$110,000 yearly
HOK San Francisco, CA
HOK is a collective of future-forward thinkers and designers who are driven to face the critical challenges of our time. We are dedicated to improving people's lives, serving our clients and healing the planet. Together, we cultivate a culture of design excellence at the confluence of art and science, blending the power of creative expression with a clear sense of purpose. Project Engineers will be responsible for the successful delivery of small to medium size building projects, or working as part of a large team responsible for an area on major projects, including developing concepts and producing the design. RESPONSIBILITIES: Strategic Looks for ways to improve engineering design and design processes in a particular discipline. Looks for new trends in Engineering design in a particular discipline and how to apply them to our projects. Project Management and Technical Improvement 10% time devoted to project management tasks and technical improvement initiatives....
AP
Sep 08, 2026
Full time
Construction Engineer III
AMPAM Parks Mechanical Carson, CA
Who We Are AMPAM is a leading Mechanical, Electrical, and Plumbing (MEP) contractor serving large-scale multifamily and commercial projects across California. With 1,500 employees across multiple business units, we are committed to delivering quality, safety, and excellence in every project. Job Summary Construction Engineer III serves as a senior technical resource and project lead responsible for the planning, coordination, and execution of mechanical (HVAC), electrical, and plumbing (MEP) systems in multi-family new construction projects. This position requires deep technical expertise, strong leadership in field coordination, and the ability to manage multiple complex projects through all construction phases-from preconstruction to commissioning and turnover. Construction Engineer III provides direction to junior engineers, works closely with subcontractors, and ensures that MEP systems are designed and installed according to the project's quality, schedule, and cost...
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