804 mechanical systems engineer jobs found

We're ALTEN Technology USA, an engineering company helping clients bring groundbreaking ideas to life-from advancing space exploration and life-saving medical devices to building autonomous electric vehicles. With 3,000+ experts across North America, we partner with leading companies in aerospace, medical devices, robotics, automotive, commercial vehicles, EVs, rail, and more. As part of the global ALTEN Group-57,000+ engineers in 30 countries-we deliver across the entire product development cycle, from consulting to full project outsourcing. When you join ALTEN Technology USA, you'll collaborate on some of the world's toughest engineering challenges, supported by mentorship, career growth opportunities, and comprehensive benefits. We take pride in fostering a culture where employees feel valued, supported, and inspired to grow. Workplace: On-site, 5 days per week Location: Long Beach, CA You will be a key contributor within a world class automotive body exterior engineering...

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...

ABOUT US: Astro Mechanica is a vertically integrated aerospace company developing a scalable technology platform to power critical infrastructure, mission operations, and the future of flight. We apply aerospace engineering and quality standards across our products, delivering high performance, reliability, and efficiency for the most demanding operating environments. Astro Mechanica is backed by leading venture and strategic investors, including Andreessen Horowitz (a16z), Giant Step Capital, United Airlines Ventures, and Voyager Ventures. WHO WE ARE: We're a team of passionate engineers dedicated to advancing aerospace. We're generalists with specialist depth, united by a flat structure and a shared obsession with building things that work well. We move fast, stay pragmatic, and let engineering excellence speak louder than hierarchy. WHO YOU ARE: Astro Mechanica is seeking an experienced Mechanical Systems Design Engineer to join our growing team. The ideal...

About the Role Bright Silicon Technologies, located in Pleasanton, Ca, is seeking a Lead Systems Engineer to lead the optomechanical design and architecture of our Free-Space Optical (FSO) terminal. You will be responsible for transforming functional block diagrams and project requirements into precision Pointing, Acquisition, and Tracking (PAT) hardware capable of maintaining tight line-of-sight lock on airborne targets. What You'll Do Drive System Architecture: Translate product specifications and government program goals into technical system requirements, developing Interface Control Documents (ICDs), and coordinate teams to deliver a dynamic Pointing, Acquisition, and Tracking (PAT) optomechanical system for line-of-sight acquisition of dynamic airborne targets and free-space optical communications. Transform Concepts into Physical Hardware: Take conceptual system block diagrams and product requirements (sketches, functional flows, concept powerpoints), translate...

Please note that we are unable to provide visa sponsorship for this position. Recruiting agencies: Proper Voltage does not accept unsolicited candidate submissions. Please do not contact any employees directly unless you have an existing engagement with the company. About Proper Voltage Proper Voltage is unlocking the next generation of battery technology across robotics, data centers, and defense. We're building intelligent battery systems that make advanced chemistries (sodium-ion, lithium-titanate, lithium-silicon) work in products that were never designed for them. Humanoid robots can upgrade power systems without redesigning their entire platform. Data centers get safer, cheaper backup power. Drones and autonomous vehicles get higher energy density without lengthy integration cycles. If you want to work on hard engineering problems that matter this is the place. Job Overview We're looking for an experienced mechanical engineer to take ownership of...

Location: The Greater Los Angeles Metropolitan Area, CA (Onsite) If you're interested in learning more about this opportunity or beginning the interview process, feel free to connect directly via LinkedIn: LinkedIn: https://www.linkedin.com/in/ra... Principal Mechanical Engineer - Launcher Systems An advanced aerospace and defense technology company is seeking a highly experienced Principal Mechanical Engineer to lead the architecture, design, and integration of next-generation launcher systems supporting UAV and missile platforms. This role will own launcher hardware development from concept definition through production and deployment across mobile ground and maritime applications. The ideal candidate brings deep launcher system expertise, strong electro-mechanical integration capability, and direct experience designing ruggedized hardware for harsh operational environments. This is a highly hands-on technical leadership role suited for engineers who thrive in fast-moving...

Company Description: Critical Energy is an innovative, early-stage, venture-backed cleantech company on a mission to accelerate the global energy transition through abundant, low-cost clean energy. Founded by an ex-SpaceX engineer, Critical Energy designs and manufactures factory-built, modular power plants. These rapidly deployable systems convert heat into electricity using a closed-loop thermodynamic cycle and can be installed in just weeks. Critical Energy's technology delivers high-efficiency, 24/7 power for geothermal applications and waste heat recovery (including from data center gas turbines), making clean energy practical and cost-effective for demanding sectors like AI hyperscalers and data centers. Backed by top climate and technology investors, Critical Energy is scaling rapidly. Our Mission: To build an abundant, low-cost, 100% clean energy future through groundbreaking geothermal innovation. We are a team of passionate engineers, designers, and visionaries...

Hadrian - Manufacturing the Future Hadrian is building autonomous factories to reindustrialize America. By combining AI, advanced software, robotics, and full-stack manufacturing, we help aerospace and defense companies build rockets, satellites, aircraft, ships, and other mission-critical systems up to 10x faster and at significantly lower cost. Following our $1.37B Series D at a $7.87B valuation, Hadrian is rapidly expanding our manufacturing footprint, launching new capabilities across welding, casting, forging, electronics, additive manufacturing, and more, while scaling our Factory-as-a-Service platform to transform how critical products are built. Backed by leading investors including JPMorgan Chase, Valor Equity Partners, Andreessen Horowitz, Founders Fund, 137 Ventures, Lux Capital, T. Rowe Price, and Morgan Stanley, we're building the future of American manufacturing-and looking for exceptional people to help make it happen. If you're ready to take on the most...

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 This role is critical to design assembly and integration for testing key components of...

About SaniSure SaniSure is a high-growth multinational manufacturer of single-use products and systems used in the production of biological drugs, including cell therapies, gene therapies, and vaccines. With operations in the U.S. and Europe, we supply global pharmaceutical and biotech companies with the critical tools they need to develop and manufacture some of today's most innovative and life-changing medicines. As we continue to expand our product offerings and global footprint, SaniSure offers an exciting opportunity to join a nimble, customer-focused company at the forefront of the biotech industry. Job Summary The Drafting Quality Engineer reviews 2D engineering drawings prior to release to production to catch drawing errors before they enter production. This role strengthens drafting practices, improves production flow by reducing holds needed to correct errors, and increases end-customer confidence by reducing post-release change approvals. Essential Functions...

Job Description At EXP, we're driven to provide innovative solutions for the world's built and natural environments. As a team of engineers, architects, designers, scientists, creators and a community of professionals, we bring diverse and talented people together to solve the world's most complex challenges. 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. To be a part of EXP means to have your own experience, while staying connected to a global network of professionals, who believe we are a part of something bigger. Together, we are EXP. Are you ready to design your future? Be our next Senior Plumbing Engineer in San Francisco, California or Walnut Creek, California! Your work environment at EXP EXP is seeking an experienced and...

Job Type Internship Description Manufacturing Engineering Intern Job Type Internship Stockton, CA Description Manufacturing Engineering Intern Onsite | Full-Time | Permanent Hourly $25.00-$30.00 Summary of Responsibilities: The Manufacturing Engineering Intern at Vander-Bend Manufacturing will work with the Manufacturing Engineering Department supporting Operations of product, process and manufacturing activities. This is an entry level position in the Manufacturing in the Engineering Department. Responsibilities: • Provide direct engineering support to Manufacturing Engineers and Operations functional groups. • Perform time studies on manufacturing processes and identify process improvements. • Update shop floor facility layouts. • Update/edit Kebrite instructions (shop floor labor ticket software). • Assist in the investigation of Non-Conformances and shop floor problems. • Update Manufacturing Documents. • Perform data entry. • Other duties as...

SC Engineers, a Legence company SC Engineers, founded in San Diego, California, in 2004, is an industry leader in mechanical, electrical, and plumbing (MEP) planning and design, energy efficiency, building automation, and total building commissioning. Spanning a variety of sectors, including healthcare, education, government, defense, and technology, SC Engineers provides specialized expertise and a collaborative approach to every project, making them an integrated and valued business partner of their clients. Location: San Diego, California Employment Type: Full-Time Industry: Architecture, Engineering, and Construction Salary Range: $90,000 - $115,000 (dependent on experience). This role is also eligible for an annual performance-based bonus. Bonus eligibility and payout are determined by role, individual performance, and company performance, and are not guaranteed. Position Summary We are seeking an Electrical Design Engineer with a Bachelor of Science degree in...

P2S|CMTA stands as a provider of professional engineering services to a broad range of markets, including higher education, healthcare, ports/harbors, industrial, entertainment, commercial, laboratories, municipal, and federal sectors. Our specialties include electrical, mechanical, plumbing, fire protection, and technology integration. Our offered services range from engineering and commissioning to construction management. With over 400 dedicated employees on the West Coast, P2S|CMTA is an internationally recognized leader in many of the key markets we serve. We provide a blend of innovation and technical excellence in delivering green solutions that enhance and sustain the built, natural, and social environments. Currently, we have offices in Long Beach, Seattle, Irvine, San Diego, Los Angeles, and San Jose. Are you an Electrical Engineer with 10+ years of experience looking to grow your career? Join our award-winning team. Recognized as a Best Place to Work for the past 15...

Therma, a Legence company For over 50 years, Therma has continued to redefine the mechanical construction landscapes in California. Renowned for outstanding client service and attention to detail, we balance innovative, facility-specific solutions with a pragmatic, cost-conscious approach. Today, the firm employs more than 1,100 people in 3 regional offices, and its clients represent a diverse range of market sectors, including Biopharmaceutical, Education, Healthcare, Food & Beverage, Commercial, Industrial and Data Center facilities. Our culture is open, innovative, collaborative, and fun - all reflected in recognition of Therma as a #1 Best Place to Work on multiple occasions. We create an environment that empowers & challenges employees, giving them the greatest opportunity to succeed. San Jose, CA (on site), Full-time Therma, a Legence company, is seeking a highly motivated Mechanical Engineer with +6 years of experience in the HVAC industry. The ideal...

SC Engineers, a Legence company SC Engineers, founded in San Diego, California, in 2004, is an industry leader in mechanical, electrical, and plumbing (MEP) planning and design, energy efficiency, building automation, and total building commissioning. Spanning a variety of sectors, including healthcare, education, government, defense, and technology, SC Engineers provides specialized expertise and a collaborative approach to every project, making them an integrated and valued business partner of their clients. Location: San Diego, California Employment Type: Full-Time Industry: Architecture, Engineering, and Construction Salary Range: $115,000 - $150,000. This role is also eligible for an annual performance based bonus. Bonus eligibility and payout are determined by role, individual performance, and company performance, and are not guaranteed. Position Summary We are seeking an Electrical Engineer with a Bachelor of Science degree in Electrical Engineering to support...

Job Description The Seating CAE Engineer will be responsible for analyzing and optimizing unique seat structures to meet federal and internal performance requirements. You will work with a diverse team to launch the next generation Vehicle Platform Architectures for electric vehicles. Responsibilities What you'll do... Work with Program Design, safety and CAE teams to develop first, second and third row seat systems for electric vehicle platforms Develop CAE models for analyzing seat strength & stiffness at seat level and seat on body level as per Ford modeling guidelines. Model all mechanisms (recliner, latch, track, etc.) for all the seats and be capable of creating various seat position Where appropriate, conduct DOE/DFSS studies by utilizing optimization tools, on seat designs to meet performance requirements within the constraints of conflicting attributes such cost and mass. Support quick concept development of new and emerging ideas and work in a...

Job Description As a Senior Chassis Engineer, you will drive the design, development, and execution of novel chassis components and sub-systems-including brakes, steering, wheels, tires, and suspension platforms. You will bridge first-principles engineering with advanced manufacturing techniques to optimize driving dynamics, efficiency, structural mass, and cost. Working across concept development, physical/virtual validation, and full-vehicle testing, you will play a central role in delivering best-in-class vehicle attributes for our next-generation vehicle portfolio. Responsibilities What you'll do... Advanced Concept Design & System Engineering • Design and develop novel chassis concepts (brakes, steering, suspension, wheels, and tires) that balance driving dynamics, vehicle mass, cost, efficiency, manufacturability, and serviceability. Requirements Definition & Attribute Optimization • Challenge legacy design requirements and define data-driven, first-principles...

About Cowboy Space Corp: Mission Cowboy Space Corporation is solving the global energy crisis by building the infrastructure for abundant, resilient space-based solar energy. We are tackling one of humanity's most complex engineering challenges with a world-class team dedicated to delivering a revolutionary power platform. Cowboy Space Corporation is transforming how civilization powers, computes and connects - from orbit to Earth. Background Cowboy Space Corporation is building the infrastructure to power and connect the orbital economy. Our modular, scalable satellites collect sunlight in Low Earth Orbit to enable multiple integrated applications: transmitting energy via infrared lasers (space-to-earth and space-to-space), powering on-orbit high-performance computing clusters (GPU/TPU), and providing secure, high bandwidth optical data transport. Current energy and data systems rely on complex logistics and outdated infrastructure. Cowboy Space Corporation overcomes these...

Who we are Neros is a defense technology company rebuilding America's drone industrial base. We design and manufacture high-performance unmanned systems that are tested in combat, iterated at startup speed, and built at massive scale. Our team culture is fast, hands-on, and obsessed with closing the gap between design and deployment. As drones transform the character of warfare, Neros is delivering the systems the West needs to compete on the modern battlefield and deter the adversaries of democracy. We're hiring engineers, operators, and builders who want to move fast, take on extreme ownership, and get capability into the hands of warfighters in months, not years. What you will be doing As a Senior Mechanical Engineer at Neros, you will own key components and subsystems within our products, starting from the conceptual design phase all the way through mass production. This is a dynamic and exciting role at a rapidly growing startup and presents an opportunity to be a...