NewMechanical Design Engineer, Structures & Mechanisms ZiplineMechanical Design Engineer, Structures & MechanismsSouth San Francisco, CA$145,000–$225,000 / yearOur customers include the world's largest and most prominent healthcare systems, governments, retailers, restaurants and global businesses who rely on us to save lives, reduce emissions, increase economic opportunity, and provide delivery from point A to point B as fast as possible. Produce and defend system-level trade studies, tolerance stacks, load paths, failure modes, and hand-calcs/analysis that bound designs for safety-critical loads and manufacturability of high performance hardware.
Mechanical Design Engineer (Mid-Senior Level) RheoSenseMechanical Design Engineer (Mid-Senior Level)San Ramon, CaliforniaDesign all advanced instrument parts and assemblies using SOLIDWORKS to meet specifications and for Design for Manufacturability (DFM) on integrated microfluidics, pneumatic, and liquid handling systems. This role works closely with multidisciplinary teams to translate product requirements into innovative mechanical designs, working prototypes, and production-ready solutions.
Senior Mechanical Engineer AstranisSenior Mechanical EngineerSan Francisco, CA$145,000–$195,000 / yearThe actual base salary offered to a successful candidate will additionally be influenced by a variety of factors including experience, credentials & certifications, educational attainment, skill level requirements, and the level and scope of the position. Today, Astranis satellites provide dedicated, secure networks to highly-sophisticated customers across the globe- large enterprises, sovereign governments, and the US military.
Mechanical Engineer - Pulsed Power Pacific FusionMechanical Engineer - Pulsed PowerFremont, California$115,000–$150,000 / yearWe are rapidly designing and building a pulser-driven inertial fusion system to achieve net facility gain (more fusion energy output than stored energy input). Design, build, and operate pulsed power systems, including high-voltage and high-current architectures, control systems for pulsed power operation, safety, and automation.
Senior Mechanical Engineer (Pe) - Buildings HDR, Inc.Senior Mechanical Engineer (Pe) - BuildingsWalnut Creek, CAOur eight Employee Network Groups (Asian Pacific, Black, Hispanic/Latino(a), LGBTQ, People with Disabilities, Veterans, Women, Young Professionals) help create a sense of belonging and foster a supportive environment where everyone is empowered to engage and contribute. At HDR, our employee-owners are fully engaged in creating a welcoming environment where each of us is valued and respected, a place where everyone is empowered to bring their authentic selves and novel ideas to work every day.
Senior Mechanical Engineer PlusAISenior Mechanical EngineerFremont, CAExact compensation may vary based on skills and experience Your opportunities joining PlusAI Work, learn and grow in a highly future-oriented, innovative and dynamic field. If you’re ready to make a huge impact and drive the future of autonomy, Plus is looking for talented individuals to join its fast-growing teams.
Mechanical Engineer 1, 2, 3 Pride GlobalMechanical Engineer 1, 2, 3Fremont, CA$55.92 / hourOnly applicable for San Francisco Candidates : Under the San Francisco Lactation in the Workplace Ordinance, we will provide written notice of lactation accommodation rights, and this notice will automatically be given upon hiring, any inquiry of parental leave or lactation accommodation. Personal information is collected and used for the following business purposes: evaluating qualifications and eligibility for employment; communication regarding the recruitment and application process; verifying eligibility for employment; and complying with applicable legal, regulatory, and contractual obligations.
Mechanical Engineer OusterMechanical EngineerSan Francisco, CAFull timeWe've transformed LIDAR from an analog device with thousands of components to an elegant digital device powered by one chip-scale laser array and one CMOS sensor. Experience designing multi-domain highly integrated mechanical systems such as opto-mechanical, electrical integration, or hydraulics.
Senior Mechanical Engineer - Pulsed Power Pacific FusionSenior Mechanical Engineer - Pulsed PowerFremont, California$140,000–$200,000 / yearWe are seeking a highly motivated Senior Mechanical Engineer - Pulsed Power to design, build, operate, and advance our pulsed power systems — the core of our experimental fusion platform. 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).
Senior Mechanical Engineer Pacific FusionSenior Mechanical EngineerSan Leandro, California$156,500–$234,800 / yearWe are rapidly designing and building a pulser-driven inertial fusion system to achieve net facility gain (more fusion energy output than stored energy input). This role requires a top-tier combination of technical expertise, problem-solving skills, and a proactive mindset to meet the exciting challenges in the field of fusion energy.
Sr. Optical-Mechanical Engineer BrukerSr. Optical-Mechanical EngineerSan Jose, California$122,850–$182,000 / yearFull timeCollaborate with optical engineers, mechanical engineers, electrical engineers, systems engineers, software engineers, and manufacturing teams to integrate optical-mechanical systems into larger systems or products. Designs need to account for stability and reproducibility, mitigating thermal and vibration effects, material properties of optical elements and machine parts, and proper adhesives and lubricants under varying environmental conditions for robustness.
Sr. Optical Mechanical Engineer Bruker CorpSr. Optical Mechanical EngineerSan Jose, CA$122,850–$182,000 / yearCollaborate with optical engineers, mechanical engineers, electrical engineers, systems engineers, software engineers, and manufacturing teams to integrate optical-mechanical systems into larger systems or products. Designs need to account for stability and reproducibility, mitigating thermal and vibration effects, material properties of optical elements and machine parts, and proper adhesives and lubricants under varying environmental conditions for robustness.
Senior Mechanical Engineer, HV Design Form Energy IncSenior Mechanical Engineer, HV DesignBerkeley, CAOwn the electromechanical design of Form's battery products, including high voltage distribution (busbars and cables), isolation, grounding, harnessing, connectors, overmolded bussing, plastic and metal enclosures for various PCBA and electrical assemblies, and safety and interlocks (contactor, fuses etc.). Form Energy's HV & LV Design Team is seeking a Senior level Mechanical Design Engineer to drive the HV requirements, design, simulation and testing of our Gen 2 and beyond power systems for clean energy delivery from batteries to the grid.
NewSenior Mechanical Engineer/Project Manager Exp Global IncSenior Mechanical Engineer/Project ManagerWalnut Creek, CA$150,000–$180,000 / yearWe are seeking an experienced and motivated Senior Mechanical Engineer to work in a flexible role that includes engineering, design and specification of building mechanical and HVAC systems for Life Sciences, Research and Development, Pharmaceutical, and Critical Facilities Projects. Here, you join a team that leverages differences, harnesses their entrepreneurial spirit in an employee-owned company, that believes diversity is what gives us strength, seeks sustainable results and shares ambitions for each other, our clients and the communities we are part of and serve.
Mechanical Engineer Iconma LLCMechanical EngineerFoster City, CAResponsibilities: As a mechanical engineer on the electrical systems team, you will design and release components that are critical to vehicle development, and vehicle-level validation and testing, manage the BoM, and work with cross-functional teams to define requirements and develop solutions. Own the design, validation, and implementation of hardware within the EE Systems team, such as our manual driving interface, remote control systems, and testing interfaces.
Senior Mechanical Engineer, Fluid Systems Form Energy IncSenior Mechanical Engineer, Fluid SystemsBerkeley, CAYou can expect to work on prototyping efforts across the company, build and validate models of our system, drive us through a series of design releases, and work closely with a cross-functional team of chemical, electrical, and mechanical engineers to design, prototype, and test the storage systems. In recent years, Form Energy has earned a number of accolades, including being named by TIME as a "Best Invention", MIT Technology Review as a "Top Climate Tech Company To Watch", and Fast Company as "One of the Next Big Things In Tech".
Mechanical Engineer II, Hydrogen System Form Energy IncMechanical Engineer II, Hydrogen SystemBerkeley, CAYou can expect to work on various prototyping efforts across the company, driving us through a series of internal system prototypes and working closely with a cross-functional team of chemical, electrical, and mechanical engineers to design, prototype, and test the storage systems. In recent years, Form Energy has earned a number of accolades, including being named by TIME as a "Best Invention", MIT Technology Review as a "Top Climate Tech Company To Watch", and Fast Company as "One of the Next Big Things In Tech".
Senior Staff Mechanical Engineer Mainspring EnergySenior Staff Mechanical EngineerMenlo Park, CaliforniaCandidates who primarily provide technical leadership within one team, subsystem, or technical area may be better aligned to a Staff Mechanical Engineer role, while candidates who serve as a company-level technical authority in a critical domain may be better aligned to a Principal Mechanical Engineer role. A strong candidate should be able to operate with high autonomy, frame ambiguous system-level problems, align stakeholders, improve technical decision quality across projects, and help teams avoid rework caused by weak assumptions, incomplete validation, or missed integration risks.
Staff Mechanical Engineer Mainspring EnergyStaff Mechanical EngineerMenlo Park, California$172,000–$203,000 / yearIn this role, you will design mechanical hardware, support analysis and testing, drive assigned work through validation and release, and work cross-functionally with engineering, manufacturing, quality, supply chain, test, and service teams. Experience with energy systems, engines, generators, compressors, pumps, thermal systems, fluid systems, structures, high-cycle fatigue environments, precision alignment systems, or industrial equipment.
Senior Mechanical Engineer Mainspring EnergySenior Mechanical EngineerMenlo Park, California$140,000–$165,000 / yearCandidates who are still primarily building independence on bounded tasks or single workstreams may be better aligned to a Mechanical Engineer role, while candidates who regularly improve technical decision quality across multiple projects or teams may be better aligned to a Staff Mechanical Engineer role. Experience designing hardware for energy systems, engines, generators, compressors, pumps, thermal systems, fluid systems, structures, high-cycle fatigue environments, precision alignment systems, or industrial equipment.
Mechanical Engineer Mainspring EnergyMechanical EngineerMenlo Park, California$119,000–$140,000 / yearIn this role, you will design mechanical hardware, support analysis and testing, drive assigned work through validation and release, and work cross-functionally with engineering, manufacturing, quality, supply chain, test, and service teams. Experience with energy systems, engines, generators, compressors, pumps, thermal systems, fluid systems, structures, high-cycle fatigue environments, precision alignment systems, or industrial equipment.
Senior Mechanical Engineer, Module & Enclosure Form Energy IncSenior Mechanical Engineer, Module & EnclosureBerkeley, CAYoure eager to dive deep into technical challenges, can work in a fast-paced environment with changing priorities, and are willing to roll up your sleeves, do hands-on prototyping, and work collaboratively and cross-functionally with test, SIE, manufacturing, supply chain, and other teams. It will ideally suit a mechanical design engineer with experience in 3D modeling, 2D drafting, structural analysis, cost and mass-down efforts, disciplined engineering rigor, and taking a design into high-volume production.
Senior Mechanical Engineer - Pulser Modules Pacific FusionSenior Mechanical Engineer - Pulser ModulesFremont, California$138,100–$263,800 / yearThis role sits at the intersection of precision engineering and first-of-kind technology, demanding both deep technical expertise and the creative problem-solving mindset needed to tackle challenges no one has solved before. Develop innovative mechanical designs for complex engineering problems across our fusion systems, from vacuum vessels and structural assemblies to diagnostics hardware and experimental fixtures.
Associate Mechanical Engineer Mainspring EnergyAssociate Mechanical EngineerMenlo Park, CaliforniaCandidates who have already demonstrated independent ownership of defined-scope mechanical engineering work through multiple design, analysis, test, release, or implementation cycles may be better aligned to a Mechanical Engineer role. At Mainspring, we are committed to building a diverse, inclusive, flexible, and collaborative environment, so if you want to help us transition the world to clean and affordable electricity, and don’t meet all posted requirements for a particular role, we’d still love to hear from you.
Senior Process Mechanical Engineer - Water Kennedy/Jenks Consultants IncSenior Process Mechanical Engineer - WaterSan Francisco, CA$150,000–$181,000 / yearAdvanced degree strongly preferred • Professional Engineer (PE) license required, ideally in California, Oregon, Washington, or Colorado, with willingness and ability to add additional states • Wastewater process experience with strong technical knowledge of the water industry • Demonstrated ability to provide excellent client service and interact positively with clients • Experience with business development and sales • Excellent written and oral communication skills • Design-Build experience a plus, but not required. KJ is at the forefront of developing sustainable solutions for clients, including green infrastructure design, strategies to reduce energy use and environmental impacts, award-winning water reuse projects, and efficient construction management practices that ensure quality, safety, and on-time delivery.
Data Center Mechanical Engineer, Cooling Systems GoogleData Center Mechanical Engineer, Cooling SystemsSunnyvale, CAProvide and prepare documents including: statement of work, engineering analysis and reports, Failure Modes and Effects Analysis (FMEAC), design documents, product specifications, drawings, budget, cost estimates, schedule, commissioning test plans, and perform engineering analysis using software tools. From software to hardware our teams are shaping the future of world-leading hyperscale computing, with key teams working on the development of our TPUs, Vertex AI for Google Cloud, Google Global Networking, Data Center operations, systems research, and much more.
Staff Mechanical Engineer, Air Delivery System Form Energy IncStaff Mechanical Engineer, Air Delivery SystemBerkeley, CAIn recent years, Form Energy has earned a number of accolades, including being named by TIME as a "Best Invention", MIT Technology Review as a "Top Climate Tech Company To Watch", and Fast Company as "One of the Next Big Things In Tech". We have signed contracts with leading electric utilities across the United States and production of our iron-air batteries is underway at our first high-volume manufacturing facility in West Virginia.
Staff Mechanical Design Engineer, Structures Form Energy IncStaff Mechanical Design Engineer, StructuresBerkeley, CAThe Structures Engineering team at Form is responsible for designing the structure, enclosure, and sealing systems that supports and integrates all parts of our innovative utility-scale multi-day energy storage system. In recent years, Form Energy has earned a number of accolades, including being named by TIME as a "Best Invention", MIT Technology Review as a "Top Climate Tech Company To Watch", and Fast Company as "One of the Next Big Things In Tech".
Mechanical Engineer Reliable Robotics CorporationMechanical EngineerMountain View, California$118,000–$170,000 / yearWork with a team of top performing mechanical engineers alongside the greater Reliable team of outstanding Electrical, Systems, Software, GNC, Manufacturing, and Flight Test engineers. The hardware focus is on high reliability safety critical mechanisms and structures, with significant cross-functional development with the Systems, Avionics, GNC, Software, Manufacturing, and Flight Test teams.
Thermal /Mechanical Engineer Hybrid Etched.ai IncThermal /Mechanical Engineer HybridSan Jose, CAWe are seeking a highly experienced Thermal/Mechanical Engineer who has experience designing direct-to-chip cold plate modules to join our team and lead our efforts in optimizing thermal management for high-performance systems. Work closely with cross-functional teams, including mechanical engineers, electrical systems engineers, and vendors, to ensure seamless integration and operation of thermal management solutions.
Opto-Mechanical Engineer Keysight Technologies, Inc.Opto-Mechanical EngineerSanta Clara, CaliforniaThe selected candidate will have opportunities to research new technology, transform concepts and strategies into structured projects, and make key technical decisions to drive customer success through product development. We are a world leader in the design and manufacture of laser interferometry systems, precision optical components, complex monolithic optics (CMOs), and advanced electronic measurement solutions.
Mechanical Engineer AstranisMechanical EngineerSan Francisco, CA$110,000–$140,000 / yearThe actual base salary offered to a successful candidate will additionally be influenced by a variety of factors including experience, credentials & certifications, educational attainment, skill level requirements, and the level and scope of the position. Today, Astranis satellites provide dedicated, secure networks to highly-sophisticated customers across the globe- large enterprises, sovereign governments, and the US military.
NewSenior Mechanical Engineer Onto InnovationSenior Mechanical EngineerMilpitas, CaliforniaOnto 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. Scope of work includes but is not limited to: component selection, BOM/revision maintenance, design specification determination, process and procedure evolution, isolation of system performance gaps within an operations environment and fixture design supporting qualification of critical parts’ performance.
Principal Mechanical Engineer Mainspring EnergyPrincipal Mechanical EngineerMenlo Park, California$210,000–$247,000 / yearIn this role, you will shape long-term technical direction, define or strongly influence architecture and design principles, guide high-consequence technical decisions, and help the organization solve problems that are novel, ambiguous, and central to long-term product and business success. Experience developing hardware for energy systems, engines, generators, compressors, pumps, thermal systems, fluid systems, structures, high-cycle fatigue environments, precision alignment systems, electromechanical systems, or industrial equipment.
NewMechanical Engineer Salas O'Brien, Inc.Mechanical EngineerOakland, CA$85,000–$105,000 / yearPart timeOur specialized experience includes design for data centers, healthcare, science and technology, high-rise buildings, clean energy, education, and other building types as well as structural and building sciences, infrastructure asset management, advanced robotics, and more. Our office in Oakland, CA is looking for a Mechanical Engineer to work in a fast-paced multi-discipline team environment with primary responsibility to engineer and design projects for Data Centers, Commercial, Telecom, Education, and other highly sophisticated facilities.
Mechanical Design Engineer I Industrial Electric ManufacturingMechanical Design Engineer IFremont, California$87,600–$109,800 / yearThis role involves extensive 3D modeling and 2D drafting, creating and maintaining BOMs, and collaborating with cross-functional teams to meet project specifications and timelines. The Mechanical Design Engineer I supports the design-to-order (DTO) engineering process for IEM’s low voltage power distribution products.
Mechanical Engineer, Camera & Optical Modules ZiplineMechanical Engineer, Camera & Optical ModulesSan Francisco, CA$135,000–$225,000 / yearYou will integrate image sensors, lenses, optical windows and filters, electronics, flexes, connectors, thermal paths, shielding, seals, and cleaning or contamination-control features into compact, lightweight, production-ready assemblies. Our customers include the world's largest and most prominent healthcare systems, governments, retailers, restaurants and global businesses who rely on us to save lives, reduce emissions, increase economic opportunity, and provide delivery from point A to point B as fast as possible.
Mechanical Engineer CrusoeMechanical EngineerSan Francisco, California$145,000–$165,000 / yearWe're looking for problem-solving, opportunity-finding teammates with a sense of urgency, who believe in the scale of our ambition and thrive on a path not fully paved — people who want to grow their careers alongside a team of experts across energy, manufacturing, data center construction, and cloud services. You will work closely with project managers, contractors, and other engineers to oversee the design, development, installation, testing, and commissioning of piping, HVAC, plumbing, and fire protection systems.
Mechanical Engineer, Advanced Analytics GoogleMechanical Engineer, Advanced AnalyticsSunnyvale, CAAs a Mechanical Research Engineer on the Data Center Technology Systems (DCTS), a multidisciplinary group of engineers and architects dedicated to designing next-generation data centers, you will play a key role in developing, analyzing, and optimizing the mechanical cooling infrastructure. Author technical documentation and white papers to present research findings to leadership, ensuring infrastructure is optimized for the evolving demands of the machine learning fleet.
Mechanical Engineer Etched.ai IncMechanical EngineerSan Jose, CABenefits Medical, dental, and vision packages with generous premium coverage $500 per month credit for waiving medical benefits Housing subsidy of $2k per month for those living within walking distance of the office Relocation support for those moving to San Jose (Santana Row) Various wellness benefits covering fitness, mental health, and more Daily lunch + dinner in our office. • A minimum of 10 years of experience in mechanical engineering with a focus on high-power data center products, including a proven track record in designing and managing chassis and enclosures for data centers, is required.
Senior Mechanical Engineer - Electromechanical Mainspring EnergySenior Mechanical Engineer - ElectromechanicalMenlo Park, California$140,250–$165,000 / yearIn this role, you will lead projects from setting requirements, designing, conducting cross functional reviews, coordinating testing and release to ensure that key electrical subsystems meet challenging technical requirements with a potential for direct reports. Collaborate cross-functionally with electrical engineering, manufacturing engineering, NPI, and external suppliers to deploy new designs into production, ensuring all systems meet the necessary performance and manufacturability requirements.
Mechanical Engineer - Electromechanical Mainspring EnergyMechanical Engineer - ElectromechanicalMenlo Park, CaliforniaIn this role, you will lead projects from setting requirements, designing, conducting cross functional reviews, coordinating testing and release to ensure that key electrical subsystems meet challenging technical requirements with a potential for direct reports. Collaborate cross-functionally with electrical engineering, manufacturing engineering, NPI, and external suppliers to deploy new designs into production, ensuring all systems meet the necessary performance and manufacturability requirements.
Staff Mechanical Engineer - Battery Design Mainspring EnergyStaff Mechanical Engineer - Battery DesignMenlo Park, CaliforniaWhat happened as a result — did it pass validation/testing, resolve a failure, ship to production, and if so, at what volume or scale (prototype quantity, low-rate production, high-volume manufacturing)? The company began commercial shipments of its Mainspring Linear Generators in 2020 and today has hundreds of megawatts in advanced development and field operations for leading Fortune 500 companies, data centers, and utilities.
Mechanical Engineer Impulse LabsMechanical EngineerSan Francisco, California$150,000–$180,000 / yearIn this role, you’ll work closely with cross-functional teams - including software, product management, and leadership - to design, architect, and help manufacture new products. We’re dedicated to building delightful, high-performance products for everyday needs that enable rewarding, long-term, scalable solutions for whole-home electrification.
Mechanical Engineer II Xona Space SystemsMechanical Engineer IIBurlingame, CaliforniaWith Pulsar – the world’s most advanced PNT satellite infrastructure in Low Earth Orbit – Xona will offer a future-proof, backwards-compatible global positioning system optimized for absolute precision, superior power, and robust protection. From spacecraft payload electronics to antennas to MGSE (mechanical ground support equipment), your work will ensure the end-to-end RF broadcast system delivers Xona’s high-accuracy and high-precision PNT service.
Sr. Mechanical Engineer Reliable Robotics CorporationSr. Mechanical EngineerMountain View, California$180,000–$260,000 / yearThe hardware focus is on high reliability safety critical mechanisms and structures, with significant cross-functional development with the Systems, Avionics, GNC, Software, Manufacturing, and Flight Test teams. We are a team of mission-driven engineers with experience across aerospace, robotics and self-driving cars working to make this future a reality.
Mechanical Engineer Aurelius SystemsMechanical EngineerSan Francisco, CaliforniaWe need a Mechanical Engineer focused on design ruggedization across Archimedes — survivability across shock, vibration, moisture, and environmental extremes for a fiber laser system in a deployable, field-rugged package. Aurelius Systems is a VC backed defense tech startup building autonomous, edge deployed directed energy systems for counter-UAS.
Mechanical Engineer Sunday RoboticsMechanical EngineerRedwood City, CaliforniaYou will play a key role in turning prototypes into reliable, manufacturable products, working hands-on with early designs and suppliers to ensure quality and scalability. This role is ideal for an engineer excited about working across the full product lifecycle — from whiteboard sketches and 3D CAD to testing, validation, and manufacturing handoff.
Mechanical Engineer Xona Space Systems, Inc.Mechanical EngineerBurlingame, CAWith Pulsar - the world's most advanced PNT satellite infrastructure in Low Earth Orbit - Xona will offer a future-proof, backwards-compatible global positioning system optimized for absolute precision, superior power, and robust protection. From spacecraft payload electronics to antennas to MGSE (mechanical ground support equipment), your work will ensure the end-to-end RF broadcast system delivers Xona's high-accuracy and high-precision PNT service.
NewMechanical Engineer Scout AIMechanical EngineerSunnyvale, CaliforniaYou’ll work across disciplines and domains, collaborating tightly with our software engineers, mission operations team, and external partners to ensure our systems deliver dominance in the field. You'll design, build, and validate everything from vehicle testbeds to ruggedized compute enclosures and field-ready payload integrations.