73 lead mechanical engineer jobs found in Los Angeles

Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets. We are more than 34,000 people, in over 30 countries, dedicated to improving quality of life. Everyone has an important role to play. With the power of many curious minds, together we can solve the world's most complex challenges and deliver more impact together. Role description: We are seeking a Project Water/Wastewater Pipeline Engineer to join our dynamic Water Business Line in Southern California. In this role, you will lead and support the planning, design, and construction of water and wastewater pipeline projects for municipal, utility, and private sector clients. Role accountabilities: As a Project Water/Wastewater Pipeline Engineer, you will lead and manage the design and delivery of water and wastewater pipeline projects, encompassing feasibility studies, preliminary and final design, as well as construction support. You will...

About the Company General Matter is enriching uranium in America. Our goal is to design, build, and operate the world's lowest-cost enrichment services in the United States. Our mission is to restore America's ability to produce nuclear fuel-fuel that will power AI, advanced manufacturing, critical industries, and the next generation of nuclear reactors. Ultimately, our work will help power national ambitions and enable a high-energy society. We were incubated by Founders Fund, like Anduril and Palantir before us, and are backed by top-tier investors. Our lean, world-class team of engineers and operators is applying a first-principles approach to solving the problem of nuclear fuel production. We are a mission-driven company with a culture of urgency, accountability, and transparency. Help us build a high-energy society by making the cleanest, safest form of baseload energy the most affordable. About This Role As a Structural Design Engineer, you will play a...

About the Company General Matter enriches uranium. We are designing, building, and operating the world's lowest-cost enrichment services, here in the US. In the process, we are restoring America's ability to produce nuclear fuel to power AI, advanced manufacturing and critical industries our country relies on to remain competitive. Fuel drives the cost of advanced reactor electricity production, and enrichment drives the cost of the fuel that advanced reactors consume. Reliable, low-cost enrichment is the catalyst for the nuclear Renaissance now under way. Our mission is to make nuclear not only the cleanest and safest source of baseload power, but also the most affordable. We believe abundant nuclear energy will lead to a post-scarcity society. We were incubated inside Founders Fund, like Anduril and Palantir before us, and are backed by over a dozen of the world's top venture capital firms. Our lean, world-class team of engineers and operators is applying a...

Job Summary : The Project Engineer role serves as a key technical and business partner within the Product Management organization, supporting the development, enhancement, and lifecycle management of Barksdale's valve product portfolio . This role bridges engineering, product management, sales, operations, and customers by providing technical expertise, managing product-related projects, evaluating customer applications, and supporting strategic growth initiatives. The ideal candidate combines strong engineering fundamentals with business acumen to identify customer needs, develop technical solutions, support product strategy, and lead cross-functional projects from concept through implementation. This position plays an important role in new product development, product rationalization, obsolescence management, application engineering, and customer-facing technical support as he/she works in collaboration with cross-functional teams (Finance, Supply Chain, Manufacturing,...

Come make an impact in the Public Sector! Join our team to do meaningful work and support high-impact government missions. GP Strategies Government Solutions, Inc. Government Training Solutions | GP Strategies, a wholly owned subsidiary of GP Strategies Corporation, focuses on helping every public sector team unlock its full potential through people performance solutions. Our work directly supports mission critical government agencies, including: • Air Force • Army • Department of Defense (DoD) • Department of Health & Human Services (HHS) • Department of Homeland Security • NASA • National Highway Institute (NHI) | Federal Highway Administration (FHWA) • State & Local Governments Our Mission is meaningful and powerful: to deliver innovative people performance through off the shelf and custom learning, mission specialists, and technology solutions, building deep partnerships with customers to help them achieve measurable mission and company performance...

Company Description Sr. Electrical Engineer Job Type: Full-time Locations: Los Angeles, CA, Valhalla, Binghamton or Syracuse, NY or Charlotte, NC Ramboll's Data Center Facilities team (formerly EYP Mission Critical Facilities) is a pioneer and leader in Data Center Strategy, Planning, Design, Integration, Commissioning and Testing with experience working in thousands of data centers in the U.S. and across the globe. We provide a broad set of services for enterprise, institutional, web scale, service provider and colocation companies. Job Description Your new role As our new Sr. Electrical Engineer, you will be joining our Data Center Facilities design team. You'll work on data center projects during every stage of their development with a multidisciplinary team of engineers and designers. You will be involved in developing leading edge electrical infrastructure solutions to address data center designs for some of the industry's leading names for enterprise,...

Principal Additive Manufacturing Engineer Los Angeles, CA (in-person) About Arcturus Arcturus is creating a new wire technology stack that uses carbon nanomaterials to overcome the materials limitations of metals where performance breaks down, at real operating temperatures. Our technology is designed to significantly improve the performance of electric motors for drones and robotics, heat sinks, and ultimately the entire energy grid. Why you should join us This is a ground-floor opportunity to help build something that has never been done before. You would join as an early principal technical hire and help define how Arcturus turns metal additive manufacturing into a core company capability. This is a high-ownership individual contributor role for someone who wants to solve hard manufacturing problems, mentor others, and help build a first-of-its-kind materials platform from the ground up. Purpose We are seeking a Principal Additive Manufacturing Engineer who can...

Senior Additive Manufacturing Engineer Los Angeles, CA (in-person) About Arcturus Arcturus is creating a new wire technology stack that uses carbon nanomaterials to overcome the materials limitations of metals where performance breaks down, at real operating temperatures. Our technology is designed to significantly improve the performance of electric motors for drones and robotics, heat sinks, and ultimately the entire energy grid. Why you should join us This is a ground-floor opportunity to help build something that has never been done before. You would join as an early senior additive manufacturing engineer and work closely with Arcturus' technical leads across AM, nanomaterials, processing, and testing. This is a hands-on role for someone who wants to move quickly, run experiments, build real hardware, and help turn first-of-its-kind materials science into repeatable manufacturing capability. Purpose We are seeking a Senior Additive Manufacturing Engineer who can...

Department Summary The Institute for Carbon Management (ICM) is a cross-campus technology-translation entity at the University of California, Los Angeles (UCLA). ICM translates pioneering carbon management solutions from the (laboratory) bench-scale to pre-commercial/commercial-scale devices, prototypes, and (software) solutions. ICM's activities span two major focus areas: (1) Technologies for carbon dioxide removal (from the atmosphere), utilization, and avoidance, and (2) Technologies for creating new supply chains, and processing approaches for critical materials and elements (e.g., Fe, Li, Ni, Co, Mn, Mo, Mg) that are foundational to accelerating the clean energy transition, as well as reducing the carbon footprint of extractive processes. ICM is organized into action teams that are convergent, agile, and world-class. Prominently, these action teams have enabled ICM-born technologies to be awarded the NRG COSIA Carbon XPRIZE, and the 2021 Liveability Challenge, among others....

Department Summary The Institute for Carbon Management (ICM) is a cross-campus technology-translation entity at the University of California, Los Angeles (UCLA). ICM translates pioneering carbon management solutions from the (laboratory) bench-scale to pre-commercial/commercial-scale devices, prototypes, and (software) solutions. ICM's activities span two major focus areas: (1) Technologies for carbon dioxide removal (from the atmosphere), utilization, and avoidance, and (2) Technologies for creating new supply chains, and processing approaches for critical materials and elements (e.g., Fe, Li, Ni, Co, Mn, Mo, Mg) that are foundational to accelerating the clean energy transition, as well as reducing the carbon footprint of extractive processes. ICM is organized into action teams that are convergent, agile, and world-class. Prominently, these action teams have enabled ICM-born technologies to be awarded the NRG COSIA Carbon XPRIZE, and the 2021 Liveability Challenge, among others....

Hermeus is a venture-backed defense aviation company reclaiming the lost art of rapid iterative prototyping to build the fastest aircraft in the world today. By prioritizing relentless hardware iteration, we deliver high-speed systems at the pace of the modern battlefield. We work with the Department of War to provide the high-speed capabilities our nation and its allies need to maintain a durable, asymmetric advantage. About The Role: Hermeus is seeking a Senior Mechanisms Engineer to join our Vehicle & Mechanisms Team. In this senior-level role, you will be responsible for designing and developing complex mechanical systems and mechanisms that are critical to the success of our high-speed aircraft projects. Responsibilities Mechanism Design: Lead the design and development of mechanical systems, mechanisms, and components for aerospace applications. Collaborate with cross-functional teams to define project requirements and objectives. Analysis and Simulation:...

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 Los Angeles 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,...

About Us At Antares, our long-term mission is to make clean energy abundant from Earth to the Asteroid Belt. We're fueled by the belief that advanced nuclear energy can strengthen our military, solve the climate crisis, elevate global living standards, and expand humanity's presence in outer space. To achieve our mission, we're building mass-producible, inherently safe, deployable microreactors that can be used terrestrially, underwater, and in space. The Antares team hails from SpaceX, the White House, the Pentagon, the Department of Energy, MIT, Rigetti Computing, General Atomics, Relativity Space, Ursa Major, and National Laboratories like Idaho, Oak Ridge, Los Alamos, and Savannah River. Antares has raised over $600M in venture capital from top-tier investors and has hundreds of million-dollars on contract with the military services, NASA, and the Department of Energy. About the Team As a Senior Manufacturing Engineer - Fabrication at Antares, you will own the...

Manufacturing Engineer I Position Description Date Issued: June 13, 2026 Department: Operational Excellence Reports to: Henrique Formolo Location: Van Nuys, CA Position Purpose: The Manufacturing Engineer I will play a key role in advancing Capstone Energy Plus manufacturing capabilities through process development, equipment ownership, and floor-level engineering execution. This position bridges hands-on production knowledge with the technical rigor expected of an engineer, driving improvements that are both data-informed and physically realized on the shop floor. The successful candidate will be a self-driven engineer with strong analytical and observational skills, capable of owning processes end-to-end. This role requires a working understanding of assembly, welding, testing, and warehouse operations, and the ability to design, deploy, and standardize manufacturing processes that improve throughput, quality, and floor efficiency. Reporting to the...

16640 Stagg Street | Van Nuys, CA 91406 (818) 734-5300 | CapstoneEnergyPlus.com Power Electronics Engineer Position Description Date Issued: May 2026 Department: Systems, Software & Electrical Engineering Reports to: Manager, Systems Software & Electrical Engineering Location: Van Nuys, CA Position Purpose: Capstone Energy+, INC. is seeking a Power Electronics Engineer to provide technical expertise for the development of power electronics, inverters, magnetic components, power supplies, and energy storage systems. This role participates in the requirements definition, design, fabrication, and testing of electronic modules used to generate electrical power - directly supporting Capstone's mission to deliver reliable, on-site clean energy solutions. DESTINATION STATEMENT Who we strive to be: We will be the first choice when energy matters. Our bespoke solutions solve the energy trilemma of resiliency, sustainability, and affordability....

PPG is hiring a Calibration Test Engineer to join our team at the Sylmar, CA Plant. You will sit onsite and report to the Engineering Test Lab Supervisor. Key Responsibilities Support product design and development activities for the aircraft and armored transparency platforms. Perform physical and environmental testing of transparency assemblies manufactured for general aviation, commercial and military aircraft and land vehicles. Perform complex material and environmental tests that require fabrication of test fixtures and automated data collection systems to operate. Prepare multiple test specimens, machine test coupons and perform mechanical tests to support material requirements for production programs. Record test results and generate reports for quality assurance approval. Specify and install equipment to simulate a wide range of environmental conditions required for testing. Interpret engineering test procedure requirements and design and fabricate fixtures for...

About Arcturus Arcturus is creating a new wire technology stack that uses carbon nanomaterials to overcome the materials limitations of metals where performance breaks down, at real operating temperatures. Our technology is designed to significantly improve the performance of electric motors for drones and robotics, heat sinks, and ultimately the entire energy grid. At its core, Arcturus is developing a new class of carbon nanomaterial-infused metal matrix composites for high-performance conductor applications. Why you should join us This is a ground-floor opportunity to help build something that has never been done before. You would join as an early technical co-op and work closely with Arcturus' technical team across nanomaterials, additive manufacturing, process engineering, and testing. This is a hands-on role for someone who wants to learn quickly, contribute directly, and help build the experimental foundation for a first-of-its-kind materials platform. Purpose We...

About Arcturus Arcturus is creating a new wire technology stack that uses carbon nanomaterials to overcome the materials limitations of metals where performance breaks down, at real operating temperatures. Our technology is designed to significantly improve the performance of electric motors for drones and robotics, heat sinks, and ultimately the entire energy grid. At its core, Arcturus is developing a new class of carbon nanomaterial-infused metal matrix composites for high-performance conductor applications. Why you should join us This is a ground-floor opportunity to help build something that has never been done before. You would join as a founding engineer/scientist and work closely with Arcturus' technical leads across nanomaterials, additive manufacturing, and process engineering. This is a hands-on execution role for someone who wants to move quickly, learn across disciplines, and help turn first-of-its-kind materials science into real product performance. Purpose...

About Arcturus Arcturus is creating a new wire technology stack that uses carbon nanomaterials to overcome the materials limitations of metals where performance breaks down, at real operating temperatures. Our technology is designed to significantly improve the performance of electric motors for drones and robotics, heat sinks, and ultimately the entire energy grid. Why you should join us This is a ground-floor opportunity to help build something that has never been done before. You would join as a founding engineer and become Arcturus' first additive manufacturing engineer, with the chance to define the company's metal printing strategy from the beginning. You will work directly with the Founder and CEO to shape the technical direction of our manufacturing platform and help build a category-defining materials company from scratch. Purpose We are seeking a Lead Additive Manufacturing Engineer who can own the development of Arcturus' metal printing platform across LPBF...

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... Manufacturing Engineer - Effectors An advanced aerospace and defense technology company is seeking a hands-on Manufacturing Engineer to help scale next-generation interceptor and autonomous defense systems from prototype development into high-rate production. This role sits at the intersection of product engineering, manufacturing strategy, and production execution. The ideal candidate will bring strong Design for Manufacturing & Assembly (DFMA) experience, a deep understanding of producibility, and practical experience scaling hardware from low-volume development into repeatable, cost-optimized manufacturing environments. This is a highly collaborative and hands-on position for someone who enjoys working directly with...