16 thermal engineer iii jobs found

Lucix Corporation develops and provides cutting edge RF Electronic and Passive Components for satellite communication payloads. All hardware is designed, qualified, manufactured, tested and shipped from Lucix facilities in California. We are looking for a motivated, hands-on, passionate individual to develop new space hardware for communication satellites. We are actively seeking a Mechanical Engineer III to join our Mechanical Engineering team. Essential Duties and Responsibilities: In this position, you will own the complete lifecycle of space hardware from initial electrical/RF design concept to production & unit delivery Perform mechanical analyses (vibration, thermal, radiation) on new product designs to ensure survival to launch and on-orbit environments Rapidly prototype & iterate on designs Basic Qualifications: Bachelor's degree in Mechanical or Aerospace Engineering from an accredited university or institution 3-5 years of industry experience with...

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...

At Turion Space, we're building spacecraft to secure Earth and expand humanity's reach beyond it. We are seeking a Senior Thermal Engineer to lead the design, analyze, test, and implementation of satellite systems. You will work closely with the Turion Space team across software and hardware systems to maximize satellite capabilities. Your creativity, experience, and ambition will directly impact the architecture of the vehicle's systems as the missions increase in complexity. This is a full-time , exempt position based on-site at our Irvine, California headquarters. Key Responsibilities Lead thermal design of hardware, from initial high-level layout and analysis down to validation of performance with ground tests Consult with other disciplines as a Subject Matter Expert (SME) in Thermal Analysis Provide ongoing mentorship to junior engineers Automate workflow to reduce engineering investment in the design cycle Build and control system-level thermal models...

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...

About the job PCB Layout Engineer About Castelion Castelion is redefining defense development through rapid iteration, aggressive testing, and modern commercial manufacturing at scale. We design, build, and test next-generation long-range strike weapon systems to give the United States and its Allies a decisive advantage and deter future conflicts. Position Overview As a PCB Layout Engineer, you will independently own the layout and release of complex avionics printed circuit boards for hypersonic missile systems. You will partner closely with electrical, mechanical, systems, and manufacturing engineers to deliver flight-worthy hardware on aggressive schedules. This role requires strong technical judgment, the ability to drive layout decisions across analog, digital, RF, and power domains, and comfort leading fabrication and assembly partners through DFM and production readiness. You will be expected to execute with minimal oversight while contributing to continuous...

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 The Reactor Vessel Auxiliary Systems team is seeking a highly motivated Senior Engineer to join the growing Reactor Systems department where you will have the opportunity to work directly on the design, integration, and assembly of the structures, systems, and components (SSCs) within the reactor cavity in a first-of-a-kind FHR. In this role, you will manage and coordinate the detailed layout of reactor cavity components including routing of fuel, salt,...

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...

Engineering Manager - West Coast Department: Mechanical/ Manufacturing Engineering Reports To: Senior Director of Engineering Location: On-Site - Newark, CA Travel: 10% - 20% to Vitesse Site in Carson City, NV (as necessary) FLSA: Salary, Full-Time, Exempt Revision Date: January 2026 About Vitesse: How we communicate, capture, and share information has not changed significantly in our lifetime-it has changed significantly in the last decade, even in the last year. From a vacationer checking email as they fly across the world to a U.S. military service member sharing critical observations across the battlefield, the ability to capture and transfer data over different platforms is an important part both of our everyday lives and the security of our country. Whether on a geostationary satellite, a naval vessel, or a military jet, the mission-critical solutions that we design and manufacture at Vitesse make our country and our world safer. Through extensive technical...

THE ROLE We are seeking a Process Engineer to join Heirloom's Plant Design Team. You will be responsible for the design, integration, and optimization of critical Balance of Plant (BoP) systems and material handling circuits that enable our carbon removal technology to operate at scale. WHAT YOU'LL DO Own the design and integration of BoP utility systems, including instrument air, process water, cooling water, and fire water. Lead the engineering of material handling systems, focusing on lime hydration, limestone processing, and solids transport. Develop and maintain PFDs, P&IDs, and heat and mass balances for utility and auxiliary systems. Oversee supplier diligence and equipment selection for pumps, compressors, heat exchangers, and solids handling hardware. Drive technical specifications and RFQs for BoP packages, ensuring alignment with overall plant performance targets. Coordinate with R&D to ensure bench/pilot scale data informs the scaling of water...

Overview Join a Team Where Engineering Excellence Drives Opportunity At Affiliated Engineers, Inc. (AEI) , we bring together expertise and innovation to solve the most complex challenges. Since 1978, we've supported mission-driven organizations in designing systems and environments that advance society and improve lives. Today, with more than 900 professionals across 22 offices, we help shape the future of healthcare, science and technology, energy, education, and other vital sectors. From elevating patient care in Mayo Clinic's world-class hospitals to enabling discovery in high-containment laboratories for U.S. agencies and driving environmental progress with Microsoft's renowned Thermal Energy Center, our work enriches the human experience, safeguards the environment, and pushes the boundaries of possibility. AEI consistently earns national recognition from leading industry publications, including Building Design+Construction, Engineering News-Record, and...

Note to applicants: This is a full-time, onsite position working out of our HQ in Valencia, CA. Who We Are: Sunco is one of the largest and fastest-growing online lighting retailers in the U.S.-and we're just getting started. Headquartered in sunny Valencia, CA, we're powered by an amazing team of people who bring passion, purpose, and innovation to everything they do. What We Do: We light up the world-literally Millions of customers have trusted Sunco for our energy-efficient LED lighting and our commitment to quality, value, and customer care. Whether it's a home renovation or a large-scale commercial project, our mission is to deliver top-tier lighting solutions with unbeatable service and eco-conscious impact. At Sunco, we don't just sell lights-we help our customers see things in a whole new light. Overview As a Validation Engineer II in the lighting industry, you will be responsible for developing, validating, and supporting innovative lighting products...

Position Summary: Thermal Engineering International (USA) Inc. designs and fabricates high quality Pressure Vessels and Heat Transfer Equipment for the power generation and process industries worldwide. This is a Senior Engineering position mainly focused on project mechanical design and engineering for project activities. The responsibilities for this position involve reviewing customer specifications, performing mechanical design calculations and associated analysis, preparing manufacturing drawings as well as presenting, documenting and updating of these activities to others as necessary. Essential Responsibilities: • Review contract requirements, client technical specifications, sales package and all design data. • Perform mechanical and structural calculations, prepare design details, generate design breakdowns, produce fabrication drawings and bills of materials, analyze foundation loading, perform relevant code calculations, prepare operating/instruction manuals. •...

At Vast, our mission is to contribute to a future where billions of people are living and thriving in space. Vast is developing next-generation space stations 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. Using an incremental, hardware-rich and low-cost approach, Vast is rapidly developing its multi-module Haven Station. 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, followed by additional Haven modules to enable permanent human presence by 2030. Our team is all-in, committed to executing our mission safely and on time. If you want to work with the most talented people on Earth furthering space exploration for humanity, come join us....

Job Description Primary Duties & Responsibilities Responsible for CPO/XPO/liquid cooling Lead and manage CPO/XPO/Liquid cooling Education & Experience B.S. or M.S. in Mechanical Engineering. 5+ years of mechanical design experience. Knowledge of a variety of (metal) manufacturing methods, e.g. machining, stamping, molding, welding, brazing, casting, plating, 3D printing, etc. Knowledge and experience in sheet metal fabrication and rack and chassis designs Strong analytical and computational skills in structural, heat transfer, fluid dynamics, and tolerance studies for mechanical and thermal consideration. Experience in semiconductor laser diodes, laser alignment, diode laser packaging, fiber optics, fiber coupled lasers, fiber lasers, and diode laser optics. Able to multitask between several projects and designs and handle a lot of details. Must be self-motivated with the ability to work effectively in a team environment and meet project...

At Vast, our mission is to contribute to a future where billions of people are living and thriving in space. We are building artificial gravity space stations, allowing long-term stays in space without the adverse effects of zero-gravity. Our initial crewed space habitat will be Haven-1, scheduled to be the world's first commercial space station when it launches into low-Earth orbit in 2026. It is part of our stepping stone approach to continuous human presence in LEO. Our team is all-in, committed to executing our mission safely and on time. If you want to work with the most talented people on Earth furthering space exploration for humanity, come join us. Vast is looking for a Mechanical Engineer reporting to Manager, Structures Design, to support the development of the systems that will be required for the design and build of artificial-gravity human-rated space stations. TheStructures and Dynamicsteam covers a wide range of components and responsibilities: from the primary...

Antora builds and deploys thermal batteries to power always-on industrial operations with low-cost energy. Factory-built in the United States, Antora's modular thermal batteries deliver reliable heat and power, enabling industrial facilities of any size to decarbonize predictably and profitably. Antora is electrifying global industry while supporting U.S. manufacturing jobs, lowering costs for energy consumers, and enhancing the competitiveness of American industry. We are growing our company with people who put team and mission first, value connection through laughter and joy, and build with humility and openness. We are committed to continue building a diverse, passionate, and creative team dedicated to a future where every industrial facility, everywhere on earth, is powered by abundant, clean, low-cost energy. Position Summary We are seeking a self-driven, passionate Mechanical/Process Engineer to help deliver zero-carbon industrial heat and power through our novel...