129 mechanisms engineer jobs found

About the job Senior Mechanisms Engineer Why Castelion, Why Now Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus and technical excellence are decisive advantages - and we are building a team that can deliver real capability, not just concepts. This is a rare opportunity to join at an early stage, where your work will directly shape critical systems, influence major technical decisions, and have immediate, real-world impact. Senior Mechanisms Engineer We are seeking a Senior Mechanisms Engineer to design and deliver high-performance mechanical actuation systems for Castelion's long-range hypersonic strike vehicles. This role is critical to enabling precise and reliable control surface motion and deployment mechanisms under extreme flight conditions. You will work hands-on with multidisciplinary engineering teams to design, analyze, build, and validate mechanisms such as...

Vast is developing next-generation space stations and space infrastructure using an incremental, hardware-rich, and low-cost approach. Vast is rapidly developing its multi-module Haven Station to ensure a continuous human presence in space for America and its allies, enabling advanced microgravity research and manufacturing, and unlocking a new space economy for government, corporate, and private customers. Haven Demo's 2025 success made Vast the only operational commercial space station company to fly and operate its own spacecraft. Next, Haven-1 is expected to become the world's first commercial space station when it launches in 2027, followed by additional Haven modules. Additionally, the company recently announced Vast Satellite , a high-power satellite product line leveraging its space station components and the heritage of Haven Demo. Headquartered in Long Beach, California , and with more than 1,000 employees and over a billion dollars in private capital, Vast has built...

Spacecraft represent the most pressing unmet need across the entire aerospace industry. As more launch vehicles come online and the cost to orbit decreases, more companies launching payloads to space continue to emerge. For the first time in history, this influx of payload companies combined with reduced launch costs has resulted in a massive increase in need for commercial spacecraft platforms, known as satellite buses. These buses hold the payloads of our customers and are flown on launch vehicles. Apex manufactures these satellite buses at scale using a combination of software, vertical integration, and hardware that is designed for manufacturing. Our spacecraft enable the future of society: ranging from earth observation to communications and more. We'd love for you to join us on our mission of providing humankind access to the galaxy beyond our planet. About the Role Apex is seeking a skilled Mechanisms Engineer, Payloads to join our satellite engineering team. In this...

Natilus is building the next generation of aviation through the development of blended-wing-body aircraft, delivering a step-change in overall efficiency. Our growing family of aircraft is designed to make air travel more sustainable while fundamentally improving the economics of commercial flight and the operational effectiveness of defense logistics. By combining advanced aerodynamics with innovative design, Natilus aircraft achieve exceptional fuel efficiency, increased payload capacity, and seamless compatibility with existing airport infrastructure. With hundreds of aircraft valued in the billions of dollars already on order, we are redefining how aircraft are designed, built, and operated, representing a meaningful evolution in modern aviation Work Summary: Natilus is seeking a Mechanisms Engineer to join our team in San Diego, CA. In this role you will design and integrate aircraft mechanisms and actuation systems, supporting kinematic analysis, structural interfaces,...

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:...

Senior Mechanisms Engineer Radiant is seeking a highly motivated Senior Mechanisms Engineer to design and develop critical mechanisms within Kaleidos. You will solve unique challenges creating efficient and reliable mechanisms that control reactivity or actuate critical safety features. You will be responsible for the following: trade studies, material selection, detailed structural analysis, assembly, integration, and testing. You will have an instrumental impact of fueling the first new commercial reactor design in over 50 years by 2026. Responsibilities & Duties : Ownership of critical mechanisms such as the control blade actuator or air jacket valves. Conduct trade studies and develop designs to meet program requirements. Perform detailed thermomechanical analysis (static strength, durability/fatigue) and kinematic analysis to determine structural integrity and performance margins using both hand calculations and finite element tools. Develop and execute...

About the role Muon seeks a Staff Mechanisms Design Engineer to own the design, qualification, and sustainment of the deployable and actuated mechanical systems that power our spacecraft: solar array deployables, solar array drive assemblies (SADA), hold-down and release mechanisms (HDRMs), hinges, dampers, and latches. These are mission-critical, single-point-failure systems, and this role owns them from requirements definition through qualification and on-orbit operation. As a foundational member of our new Solar & Deployables hardware group, the ideal candidate goes deep on requirements definition, mechanism design, analysis, prototyping, qualification, and transfer to production while collaborating across disciplines to deliver high-reliability solutions. This position is hybrid and requires working on-site in our San Jose, CA office three days per week. Responsibilities Serve as the technical owner for deployable and actuated mechanisms - SADA, HDRMs, hinges,...

About Radiant Radiant is an El Segundo, CA-based startup building the world's first mass-produced, portable nuclear microreactors. The company's first reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor that can be transported anywhere power is needed and run for up to 5 years without refueling. Portable nuclear power with rapid-deploy capability can replace similar-sized diesel generators and provide critical asset support for hospitals, data centers, remote sites, and military bases. Radiant's unique, practical approach to nuclear development leverages modern software engineering to rapidly deliver safe, factory-built microreactors that use existing, well-qualified materials. Founded in 2020, Radiant is on track to test its first reactor at the Idaho National Laboratory this summer, with initial customer deliveries beginning in 2028. About the Role Radiant is seeking a highly motivated Senior Mechanical Engineer, Mechanisms to design and develop critical...

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...

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 Type Full-time Description Join the Teknova Team and Help Shape the Future of Health When you join the Teknova team, you're helping to create the future of health. Our customers are working to discover novel therapies that will help people everywhere live longer, healthier lives. We make sure they have a reliable supply of the essential ingredients they need to succeed, and every member of our team plays an important role. Job Overview We are seeking an exceptional Senior Mechanical Engineer to design, develop, and validate semi- and fully automated production equipment. This is a hands-on role for someone who finds creative, sound engineering solutions to challenging problems, with a strong focus on quality, reliability, and execution. You will collaborate closely with cross-functional teams including Quality, Facilities, MSAT, and Operations and provide technical leadership and mentorship to junior engineers. Our Culture : At Teknova, our culture is all about...

Job title : Mechanical Engineer Client : Aerospace / Aviation / Defense Company Duration : Full-Time Location : Carlsbad, CA Shift : 9/80 Schedule (Every Other Friday Off) Description: Design precision mechanical systems and assemblies. Develop mechatronic and electro-mechanical products. Create 3D models and engineering drawings. Generate technical data packages. Prototype, integrate, and test hardware. Develop test plans and perform validation. Participate in design and product reviews. Implement engineering changes. Support field testing and demonstrations. Collaborate with cross-functional teams. Provide technical leadership and project support. Ensure compliance with engineering processes. Required Qualifications: Bachelor's degree with 6+ years' experience (or equivalent). Active TS/SCI clearance with Polygraph. Experience designing precision mechanisms. Proficiency with CAD tools (Creo preferred)....

About the job Senior Warhead Design Engineer Why Castelion, Why Now Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus and technical excellence are decisive advantages - and we are building a team that can deliver real capability, not just concepts. This is a rare opportunity to join at an early stage, where your work will directly shape critical systems, influence major technical decisions, and have immediate, real-world impact. Senior Warhead Design Engineer Castelion is designing and building next-generation hypersonic weapon systems that restore stability through credible deterrence. We are seeking a hands-on, mission-driven Senior Warhead Design Engineer to lead the design, development, and integration of advanced next-generation systems for our long-range hypersonic strike vehicles. This is a high-impact role for someone with deep expertise in energetic devices and...

Company Description CREATIVITY IS OUR SUPERPOWER. It's our heritage and it's also our future. Because we don't just make toys. We create innovative products and experiences that inspire fans, entertain audiences and develop children through play. Mattel is at its best when every member of our team feels respected, included, and heard-when everyone can show up as themselves and do their best work every day. We value and share an infinite range of ideas and voices that evolve and broaden our perspectives with a reach that extends into all our brands, partners, and suppliers. Job Description The Opportunity: This position is a focused, technical engineering role responsible for supporting and helping to drive technical product innovation and the development of creative new product concepts into manufacturable solutions. This position also provides project support to more senior engineers acting as mentors to help gain experience. This position serves as focal point for...

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers. When you join our team, you'll be part of a special collection of problem solvers, thought leaders, and innovators. Join us and take your place in space. The Vehicle Systems Division (VSD) sits at the center of the ideas and data behind current and future systems supplying innovative research and development; technical evaluations during the acquisition process; conceptual and detailed design; assembly, integration, and test; and operational support. Comprised primarily of highly-trained mechanical and aerospace engineers, VSD provides national expertise in the areas of...

Bring your passion for space! Where dreams and reality collide and the output is, out of this world. At Redwire Space, we are a team of dreamers and doers. Where the impossible becomes possible, and every day is an opportunity to learn and get one step closer to knowing the unknown. Join us on our mission to expand humanity's presence in space. The talented innovators in Goleta, CA are a leading developer and provider of satellite mechanisms, deployable structures and booms and deployable solar array systems to the global space market. The team is revolutionizing spaceflight and are currently being utilized on missions with NASA, the Department of Defense, and commercial space companies. With many more exciting projects on the horizon our team could use your curiosity, passion, talent and experience to help us Build Above. We are seeking Contract Staff Project Engineer to join our Goleta, CA team (for up to 6 months with the possibility of going permanent) and lead the...

Join our team of innovators and get a chance to work alongside a team of talented, curious people that are passionate about designing and deploying solutions that are accelerating humanity's expansion into space. The talented innovators in Goleta, CA are a leading developer and provider of satellite mechanisms, deployable structures and booms and deployable solar array systems to the global space market. The team is revolutionizing spaceflight and are currently being utilized on missions with NASA, the Department of Defense, and commercial space companies. With many more exciting projects on the horizon our team could use your curiosity, passion, talent and experience to help us Build Above. Redwire Space Enterprises has a current opportunity for a Staff Mechanical Engineer to join our team in Goleta, CA. In this role you will report to the Design Engineering Group Manager and be part of a project team working on various design tasks, including 3D modeling and drawing...

Company Description Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description We have multiple openings for Spacecraft Systems Engineers to provide spacecraft subject matter expertise as part of a multi-disciplinary team performing concept development, requirements generation, modeling & simulations, and analyses of advanced space payloads and spacecraft models for the Z Program's Space Science and Security Program (SSSP). You will collaborate with...

Company Description Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description We have an opening for a Senior Optomechanical Engineer for space applications. You will contribute to thedevelopment of next-generation large-aperture space telescopes, optical payloads, andprecision optical systems supporting U.S. national security andscientific missions. This role focuses on optomechanicaldesign, precision mechanisms, structural andthermal performance, and...

Bring your passion for space! Where dreams and reality collide and the output is, out of this world. At Redwire Space, we are a team of dreamers and doers. Where the impossible becomes possible, and every day is an opportunity to learn and get one step closer to knowing the unknown. Join us on our mission to expand humanity's presence in space. The talented innovators in Goleta, CA are a leading developer and provider of satellite mechanisms, deployable structures and booms and deployable solar array systems to the global space market. The team is revolutionizing spaceflight and are currently being utilized on missions with NASA, the Department of Defense, and commercial space companies. With many more exciting projects on the horizon our team could use your curiosity, passion, talent and experience to help us Build Above. We are seeking a Staff Project Engineer to join our Goleta, CA team and lead the technical execution of complex, mission-enabling space hardware from...