19 project mechanical engineer iv jobs found

About the Company: We are a stealth-mode Aerospace & Defense startup headquartered in El Segundo, CA. Our founding team hails from SpaceX, Anduril, and Lockheed Martin, and we are backed by Joint Staff-level military leadership and several Silicon Valley firms. With a world-class business development & leadership team already in place, we are well positioned to capitalize on already overwhelming demand. Job Overview: We are seeking a skilled mechanical design engineer with a strong design and testing background. You will design , prototype, analyze, and test complex vehicle components and systems for aerospace rocket/missile systems. This role will be design high production parts for complex aerospace systems. You will own system components, subassemblies, architecture, and products from conception through to integrated testing and manufacture and be responsible for performance by executing analysis and environmental testing. Responsibilities: Take...

Rock West Composites, Inc. has an exciting opportunity for a Design Engineer. Rock West Composites, Inc. is an engineering and manufacturing company dedicated to providing innovative solutions for commercial and government customers. This position is located in our San Diego HQ office in San Diego, CA and reports to the Manager of Engineer. This location is primarily a small batch, prototype, and R&D facility supporting DoD, Space, and commercial clients. Position Summary: The Design Engineer will participate in designing, modeling, and generation of drawings of deliverable products, molds, tooling and fixtures in collaboration with program management, customers, manufacturing engineers and production personnel. Design work is primarily conducted in SolidWorks. This position will be supporting tooling for the Rock West Composites Enterprise team. Job Description: Perform computer-aided design of components and subsystems - preferably using SolidWorks™ design package...

Rock West Composites, Inc. has an exciting opportunity for a Manufacturing Engineer. Rock West Composites, Inc. is an engineering and manufacturing company dedicated to providing innovative solutions for commercial and government customers. This position is located in our San Diego HQ office at 7625 Panasonic Way San Diego, CA and reports to the Director of Engineer. This location is primarily a small batch, prototype, and R&D facility supporting DoD, Space, and commercial clients. Position Summary: The Manufacturing Engineer is expected to oversee the activities associated with the planning, development, implementation and maintenance of manufacturing methods, processes and operations for new and existing products. This includes ensuring the effective use of materials, equipment, tooling and personnel in producing quality products at minimum costs. Under limited supervision, determines, for programs of the highest complexity for any customer, the optimal manufacturing...

About the role Muon seeks a Facilities Engineer to join our Facilities team. You will help design, build, activate and maintain our next-generation spacecraft manufacturing facilities. You will be able to operate with autonomy to solve diverse and complex problems, excel at managing multiple projects at a time and work in a dynamic, fast-paced environment. As a Facilities Engineer, you will participate, coordinate, and execute infrastructure projects as well as oversee ongoing operations and maintenance of facilities, equipment, and utilities. This will involve corrective, preventive, and predictive maintenance techniques as well as operational and design feedback for maintaining and improving all systems at Muon Space's San Jose facility. Responsibilities Lead internal technical facilities and infrastructure projects, consulting engineers and contractors throughout the entirety of the engineering, procurement, construction, commissioning, documentation and maintenance...

Company Overview Kairos Power is a new nuclear energy technology and engineering company whose mission is to enable the world's transition to clean energy, with the ultimate goal to dramatically improve people's quality of life while protecting the environment. This goal will be accomplished through the commercialization of the fluoride-salt-cooled, high-temperature reactor (FHR) that can be deployed with robust safety, affordable costs, and flexible operation to accommodate the expansion of variable renewables. Job Summary Kairos Power is seeking a Senior Civil Structural Engineer to support the structural design of the reactor building for its Generation IV Nuclear Power Plant, including scaled prototypes and test facilities. As part of the Design Phase Interface Team, this role ensures seamless coordination of structural design across disciplines through technical guidance, clash resolution, stakeholder collaboration, and advanced structural analysis. The ideal candidate...

About the job Automation Process Engineer, Precision Automation & Cable Assembly Automation Process Engineer, Precision Automation & Cable Assembly ClearPath Medical | Tustin, CA No relocation assistance | U.S. work authorization required Who We Are ClearPath Medical is an engineer-owned contract manufacturer that designs, builds, and ships custom medical cable assemblies 100 % in-house at our Tustin, CA facility. No layers of management. No offshore delays. Just a lean team turning intricate interconnect designs into FDA-compliant, life-critical products. We're scaling rapidly and redefining medical device automation with in-house robotic cells, vision-guided precision, and fixtures that enable sub-millimeter placement repeatability at volume. If you get a rush watching a robot nail a 0.2 mm crimp on the first cycle, you'll thrive here. The Role You'll design, build, and optimize automated machines and processes for electro-mechanical medical cable...

About the job Senior Propulsion Engineer About Castelion Castelion is bringing a new approach to defense development and production: one that focuses on short, iterative design cycles, rapid testing in development, and modern commercial manufacturing strategies for production at scale. Were designing, building, and testing next generation long range strike weapons systems to give America and its Allies a definitive edge and to deter future conflicts. Senior Propulsion Engineer The Senior Propulsion Engineer's primary responsibility is the design of solid rocket motor primary and secondary structures, along with propulsion components, with an emphasis on schedule, affordability and scale. Responsibilities Translate project objectives into cost-effective designs that can be produced at scale the Castelion way. Spearhead the creation of innovative solid rocket motor designs, demonstrating autonomy even with limited expert guidance. Actively engage in the assembly,...

Figure is an AI robotics company developing autonomous general-purpose humanoid robots. The goal of the company is to ship humanoid robots with human level intelligence. Its robots are engineered to perform a variety of tasks in the home and commercial markets. Figure is based in San Jose, CA and requires 5 days/week in-office collaboration. We are looking for a Failure Analysis (FA) Engineer to be in charge of analyzing failures from product development and field uses to ensure that issues are addressed to meet our product reliability targets. We are looking for someone with strong FA skills and is able to execute end-to-end failure analysis at component (e.g. PCBAs, actuators), module (e.g. hand, battery pack), and system (robot) levels. Responsibilities: Analyze robot and component failures from test and field to find root cause of failure. Collaborate with cross-functional partners, including ME/EE Design, Manufacturing, System Integration, SW/FW, and CMs to find and...

About the Company: We are a stealth-mode Aerospace & Defense startup headquartered in Gardena, CA. Our founding team hails from SpaceX, Anduril, and Lockheed Martin, and we are backed by Joint Staff-level military leadership and top-tier Silicon Valley rms. We're assembling a high urgency team committed to moving fast, solving hard problems, and defending what matters most. With a world-class business development & leadership team already in place, we are well positioned to capitalize on already overwhelming demand. Role Overview As our Associate Manufacturing Engineer, you'll own the integrity of the production process from prototype to full-rate manufacturing. You will be the connective tissue between design, manufacturing, and quality-ensuring that our builds are repeatable, efficient, and reliable. You'll play a critical role in developing robust manufacturing processes, executing quality assurance strategies, and continuously improving product reliability in...

Watch your work come to life in landmark projects around the world when you partner with Syska Hennessy Group. As a global leader in consulting, engineering, and commissioning services, we specialize in MEP, information and communication technology, architectural lighting, vertical transportation, and commissioning. We are seeking an Electrical Engineer II - IV to join our team in Los Angeles, or Irvine, CA . Your experience working in a consulting firm on healthcare projects will ensure your success in this role. Working from either our Los Angeles or Irvine offices, you will contribute to the design of major projects from both inpatient and outpatient healthcare engineering design across all phases from around the world. You will be part of a large team of over 100 engineers nationally with a wealth of experience, so this is a great opportunity to grow your career. Our dynamic work environment provides the optimal setting to take your career to the next level. From our...

ABOUT THE ROLE The Design Engineer III is an experienced technical contributor responsible for independently executing complex C&I renewable energy designs, including solar, BESS, hybrid/off-grid systems, and LV/MV power distribution. This role serves as a project-level technical lead, coordinating closely with project management, estimating, BIM/CAD, procurement, construction, and field teams. The Design Engineer III performs advanced calculations, guides junior engineers, reviews deliverables for quality and constructability, and ensures designs meet contractual scope, code compliance, budget, and schedule requirements. This role marks the transition from pure technical execution to emerging leadership and mentorship responsibilities. Company Overview Since 1990, CSI Electrical Contractors, Inc. (CSI Electric) - a subsidiary of MYR Group Inc. - has been a leader in highly technical and innovative electrical design and construction. Our team of consultants, engineers,...

Description Fluidra is looking for a Mechanical Engineer IV to join our team in Carlsbad, CA . WHAT YOU WILL CONTRIBUTE In this Mechanical Engineer IV role, you will be joining an international company as a member of the Global Engineering Value Improvement team. You will work side-by-side with engineers, sourcing specialists, purchasing people and manufacturing sites to identify Value Improvement opportunities. You will be able to learn from our product specialists and apply your knowledge and experience to make a difference. At the same time, you will build yourself an inspiring international career with a company that believes in giving its employees the challenges and opportunities they need to grow professionally and personally. Additionally, you will: Develop concepts for design or modifications to improve the overall value of Fluidra products Work with the rest of the VI Team, Engineering counterparts, Quality Engineers, Manufacturing experts and Suppliers to...

CIVIL WATER Resources Engineer III-IV (San Luis Obispo) At Wallace Group our people are our most valuable resource. We are committed to offering challenging work, competitive compensation and benefits, as well as opportunities for professional advancement and personal development. Position Summary: We are looking for a talented Civil Water Resources Engineer with a strong background in water resources planning and design. The ideal candidate has a minimum of seven years of progressively responsible experience delivering technical solutions for water supply, water quality, water/ wastewater/ recycled water master planning, water and sewer infrastructure modeling, utility design, and water/wastewater treatment design. This role supports both project delivery and technical analysis, with opportunities to grow into project management and client-facing responsibilities. This is an excellent role for someone who has mastered foundational design skills and is ready to take on...

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. Formed in 2023, the Antares team hails from SpaceX, The White House, MIT, Rigetti Computing, The Air Force, General Atomics, Relativity Space, Ursa Major, and National Laboratories like Los Alamos, Idaho, and Oak Ridge. Antares has raised over $130M in venture capital from top-tier investors and has over $13M in government funding. About the Team As a member of the Antares R&D team, you will be an expert on manufacturing and assembly of cutting edge nuclear reactors. You will be an instrumental member developing Antares'...

Job Type Full-time Description WARNING about fake job posting scams. There has been a recent wave of scams whereby third parties post fake job openings using a bogus email address that resembles xxxx@biolinq.com. Under the guise of asking you to fill out an application, the scammers are attempting to gather your personal information. See the Federal Trade Commission's warning on this topic at: https://consumer.ftc.gov/articles/job-scams The only official source for actual Biolinq job postings/openings is at www.biolinq.com/careers . While other job sites (such as LinkedIn, Indeed or Glassdoor) may pull from Biolinq's careers web page, you should visit www.biolinq.com/careers to verify the accuracy of the openings found on third party web sites. About the Company Biolinq is a venture-backed digital health company developing a wearable biosensor platform that measures biomarkers important to the management of many clinical conditions including diabetes. This dynamic role...

About the job Summer 2026 Engineering Internship About Castelion Castelion is bringing a new approach to defense development and production: one that focuses on short, iterative design cycles, rapid testing in development, and modern commercial manufacturing strategies for production at scale. We're designing, building, and testing next-generation long-range strike weapons systems to give America and its Allies a definitive edge and deter future conflicts. Summer 2026 Engineering Internships Join us for a dynamic, hands-on experience developing next-generation missile systems across disciplines such as software, guidance/navigation/control (GNC), propulsion, power electronics, manufacturing, mechanical and structural design, avionics, and system integration. As an intern, you'll contribute directly to the design, testing, and integration of advanced defense technologies all within a fast-paced, collaborative startup environment where your work has immediate impact. Key...

About the job Spring 2026 Engineering Internship About Castelion Castelion is bringing a new approach to defense development and production: one that focuses on short, iterative design cycles, rapid testing in development, and modern commercial manufacturing strategies for production at scale. Were designing, building, and testing next-generation long-range strike weapons systems to give America and its Allies a definitive edge and deter future conflicts. Spring 2026 Engineering Internship Castelion is seeking motivated and talented engineering interns for Spring 2026. This internship offers a dynamic, hands-on experience working on cutting-edge missile systems, including SW, guidance, navigation and control (GNC), propulsion, power electronics, manufacturing, mechanical/structures, avionics, system integration, etc. You will contribute directly to the development, testing, and integration of advanced defense systems, while working in a highly collaborative startup...

About the job Mechanical Engineer About Castelion Castelion is bringing a new approach to defense development and production: one that focuses on short, iterative design cycles, rapid testing in development, and modern commercial manufacturing strategies for production at scale. We're designing, building, and testing next generation long range strike weapons systems to give America and its Allies a definitive edge and deter future conflicts. Mechanical Engineer Castelion is seeking a hands-on, high-agency Mechanical Engineer excited to take ownership of real flight hardware and grow alongside a fast-moving team. You will work on the design, fabrication, and integration of critical flight structures and mechanisms across Castelion's hypersonic vehicles. This role is ideal for someone who thrives in fast-paced environments, learns quickly, and wants to see their work go from concept to flight in weeks-not years. You'll be empowered to take on meaningful responsibilities...

Salary: $115,960.00 - $147,992.00 Annually Location : Tenth Street Place - 1010 10th Street Modesto, CA Job Type: Full Time Job Number: 3751C Department: Multiple Departments Opening Date: 09/09/2025 Bargaining Unit: MCMA THE POSITION Ready to engineer a better tomorrow? The City of Modesto is looking for creative and driven engineers to join our Engineering Services team to help shape the future of how people and services move through our city. If you're passionate about innovation, community impact, and all things infrastructure, we want you on board! Upcoming Salary Increases and Incentives: $119,393 - $152,379 effective 7/1/2026 2.5% Education Incentive - Bachelor's Degree 5% Education Incentive - Master's Degree The City of Modesto is seeking passionate and skilled engineers looking to make a meaningful impact on the community by shaping the future of transportation, traffic and utilities engineering in the City of Modesto. The Utilities Department,...