Senior Mechanical Engineer - Fluid Systems

CX2 is a pioneering defense technology firm dedicated to providing spectrum superiority for the United States and its allies. Our AI-driven hardware and software solutions are designed to detect, disrupt, and safeguard the electromagnetic spectrum across diverse domains including land, air, sea, and space.We are in search of a proactive and creative Manufacturing Engineer who is eager to lead manufacturing initiatives and drive process enhancements. This role encompasses the entire lifecycle from Design for Manufacturing (DFM) and commissioning to manufacturing ramp-up, testing, and validation. The ideal candidate will possess a robust engineering background coupled with practical experience in both mechanical and electronic assembly production.Process Innovation- Innovate, develop, and implement processes and enhancements for new and existing products.- Assess production workflows to pinpoint improvement opportunities aimed at decreasing waste, costs, and downtime.- Create and maintain process parameters, Standard Operating Procedures (SOPs), and quality control standards.Drone Production Support- Collaborate closely with engineering and production teams to troubleshoot issues pertaining to electromechanical assemblies and validations, including mechanical assemblies, CNC machined components, carbon fiber layup, final assembly, and unit testing.- Provide ongoing production support for drone manufacturing.- Guide and mentor technicians and engineers in adhering to best engineering practices to fulfill AS9100D and ISO9001 defense manufacturing standards.- Offer technical assistance during new product introductions (NPI) and engineering change implementations.Tooling & Equipment- Specify and design tools, jigs, and fixtures to enhance assembly and manufacturing efficiency.- Oversee the procurement and validation of new equipment, including Factory Acceptance Testing (FAT) and Site Acceptance Testing (SAT).Cross-functional Collaboration- Work collaboratively with R&D, Product Design, Quality Assurance, and Supply Chain teams to ensure manufacturability and scalability of products.- Engage in Design for Manufacturing and Assembly (DFMA) reviews during product development.- Coordinate with vendors and contract manufacturers to optimize production capabilities.

About the Role cx2 is looking for a Skilled Assembly Technician in El Segundo, CA. This position focuses on assembling and testing products to meet strict industry standards. The work involves hands-on use of advanced tools and equipment. What You Will Do Assemble products with attention to detail and quality Test finished products to confirm they meet required specifications Follow established procedures and safety guidelines Support the creation of solutions used across different industries Location This role is based in El Segundo, CA.

Longwall Technologies, Inc. seeks an Assembly Technician based in El Segundo, California. This hands-on position centers on putting together components that form the backbone of the company’s technology products. Accuracy and a steady commitment to quality are key in this role. Responsibilities Assemble parts and components following detailed specifications and quality guidelines Adhere to established procedures to maintain reliable and precise workmanship Work with the team to achieve production targets and uphold quality standards Requirements Keen attention to detail Dedication to producing accurate, high-quality results Interest in technology products and assembly work

Join our team as an Assembly & Test Technician at amca, where your skills will contribute to the assembly and testing of high-quality products. You will work in a dynamic environment, collaborating with engineers and production staff to ensure that our products meet stringent quality standards.

Who We ArePicogrid is an innovative, venture-backed defense technology firm dedicated to bridging the gap between advanced technology and the pressing needs of national security. We are committed to building the vital infrastructure that integrates sensors, autonomy, and operators, with our technology already operational in active missions worldwide. Our objective is to provide an operational edge to ensure the safety and security of the United States and its allies.About the RoleWe are on the lookout for an enthusiastic Assembly Technician to join our team and contribute to the development of cutting-edge American defense technology. As a key member of Picogrid's hardware engineering team, you will play a significant role in shaping our engineering culture and product direction.In this position, you will focus on the enclosures and structural systems that form the backbone of Picogrid's current and future hardware platforms, facilitating the deployment of unmanned and autonomous systems in various operations around the globe.You will take full ownership of the mechanical assembly process, from interpreting design documentation and work instructions to troubleshooting in the field. Collaborating with our world-class engineering team, which includes professionals from leading tech companies such as SpaceX, Google, and Twitter, you will be instrumental in driving our mission forward.

Senior Mechanisms EngineerRadiant Industries is on the lookout for a dynamic and experienced Senior Mechanisms Engineer to spearhead the design and development of essential mechanisms within the innovative Kaleidos project. In this role, you will tackle unique engineering challenges to create efficient and dependable mechanisms that govern reactivity and activate critical safety features. Your responsibilities will encompass trade studies, material selection, in-depth structural analysis, assembly, integration, and rigorous testing. Your contributions will be vital in propelling the introduction of the first new commercial reactor design in over five decades by the year 2026.Key Responsibilities:Lead the design and development of crucial mechanisms such as control blade actuators and air jacket valves.Conduct comprehensive trade studies and formulate designs that align with program requirements.Execute detailed thermomechanical analysis (including static strength and durability/fatigue) and kinematic analysis to assess structural integrity and performance margins using both hand calculations and finite element analysis tools.Develop and implement manufacturing and assembly instructions along with test plans.Create and oversee a Bill of Materials (BOM).Identify and cultivate relationships with suppliers for necessary components.Manage schedules for subassembly design, manufacturing, and testing.Conduct risk analysis (FMEA) for subsystems.Gather requirements and provide insights to engineers across other functional areas through effective communication.Qualifications:Bachelor's degree in Mechanical or Aeronautical Engineering from an accredited institution.A minimum of 4 years of experience in mechanism design.Over 4 years of experience conducting stress analysis utilizing both hand calculations and finite element tools (such as Abaqus, Ansys, FEMAP, or equivalent).Desired Skills:Proficient in the design of multi-component assemblies using CAD software (NX or similar).Experience in designing hardware that underwent manufacturing, deployment, and iterative improvements.Familiarity with pneumatic system design.Knowledge in integrating electromechanical components such as motors or encoders.

Join our innovative team at cx2 as a Manufacturing Engineer specializing in Electronics. In this pivotal role, you will be responsible for designing, developing, and optimizing electronic manufacturing processes, ensuring high-quality production and efficiency. Collaborate with cross-functional teams to implement advanced manufacturing techniques that drive operational excellence and product quality.

Senior Manufacturing EngineerJoin Radiant Industries as a Senior Manufacturing Engineer, where you will collaborate with design engineers to revolutionize the production of intricate mechanisms and structures essential to our innovative microreactor technology. Your role will be critical in ensuring the reliability, safety, quality, and timely delivery of the Kaleidos demonstration unit, set for testing at the Idaho National Lab in 2026—marking the first new reactor design in over 50 years.Key Responsibilities:Oversee the manufacturing and inspection processes of vital components and assemblies within the Kaleidos microreactor.Collaborate with design engineers to create innovative production methods for complex mechanisms and structures.Develop, validate, and optimize manufacturing processes to fulfill all design and business requirements, including safety, quality, efficiency, and delivery timelines.Formulate and implement manufacturing specifications and fabrication instructions.Manage the manufacturing bill of materials (mBOM) for components and assemblies.Identify, evaluate, and establish partnerships with suppliers for component sourcing and fabrication.Identify, plan, and execute upgrades to capital equipment, machinery, and layout to adapt to evolving production needs.Lead initiatives that promote continuous improvements in manufacturing processes and product quality.

About VardaLow Earth orbit is now a thriving business frontier. Varda is at the forefront of advancing commercial space infrastructure, focusing on everything from in-orbit pharmaceutical manufacturing to cost-effective reentry capsules.We create groundbreaking products and infrastructure that allow space technology to directly enhance life on Earth. Our mission is to broaden the economic possibilities for humanity.Our exceptional team comprises industry veterans from notable companies such as SpaceX, Blue Origin, and leading pharmaceutical firms. Founded in January 2021 by Will Bruey and Delian Asparouhov, Varda has garnered substantial support from prestigious investors like Khosla Ventures, Lux Capital, Founders Fund, Caffeinated Capital, General Catalyst, and Also Capital.Headquartered in El Segundo, California, Varda operates a production facility where our vehicles, equipment, and materials are constructed, integrated, and tested. We also maintain offices in Washington, DC, and Huntsville, AL.Join us at Varda and contribute to building a vibrant in-space ecosystem.

About Radiant IndustriesRadiant Industries, headquartered in El Segundo, CA, is pioneering the development of the world’s first mass-produced portable nuclear microreactors. Our flagship reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor designed for mobility, capable of providing power for up to five years without the need for refueling. This innovative technology serves as a sustainable alternative to diesel generators, delivering essential power to hospitals, data centers, remote sites, and military bases. Leveraging modern software engineering and advanced materials, we aim to revolutionize nuclear energy. Founded in 2020, we are poised to test our inaugural reactor at the Idaho National Laboratory in the coming year, with commercial deployments targeted for 2028.About the RoleWe are looking for a dynamic and driven early-career Mechanical Engineer to join our team and contribute to the design and integration of electrical systems within our innovative projects. In this role, you will collaborate with seasoned mechanical and electrical engineers to tackle complex challenges related to packaging, thermal management, structural design, and overall system integration for cutting-edge hardware. This position offers a unique opportunity for hands-on experience throughout the entire hardware development process, from CAD design and analysis to testing and validation, all while supporting our mission to successfully launch the first commercial nuclear reactor in over five decades by 2026.Responsibilities & DutiesContribute to the mechanical design and oversight of electrical components and subsystems, including:Designing mechanical assemblies for electrical components such as control panels, enclosures, brackets, mounts, and supports.Routing and securing cables and wiring harnesses, ensuring strain relief, compliance with bend radius, and serviceability.Integrating sensors, actuators, connectors, and electrical hardware within limited spaces.Creating 3D CAD models and 2D drawings using Siemens NX, including tolerance stack-ups and GD&T fundamentals.Conducting initial load calculations (static, shock, vibration) to guide structural design.Performing thermal analyses and heat transfer evaluations for electrical components and assemblies.Assisting in the selection of suitable materials, fasteners, and finishes based on electrical, thermal, and environmental considerations.

About VardaPioneering the Commercial Space Frontier. Varda is at the forefront of developing commercial space infrastructure, ranging from in-orbit pharmaceutical manufacturing to cost-effective reentry capsules.With innovative products such as life-saving pharmaceuticals and advanced fiber optics, Varda is reshaping the orbital economy to yield tangible benefits for life on Earth. Our mission is to push the limits of humanity's economic potential through space.Our talented team is composed of experts from SpaceX, Blue Origin, leading pharmaceutical firms, and Silicon Valley, all driven by the vision of founders Will Bruey and Delian Asparouhov since January 2021. We are supported by prestigious investors including Khosla Ventures, Lux Capital, Founders Fund, and General Catalyst.Headquartered in El Segundo, California, our production facility is where we design, build, and test our vehicles, equipment, and materials. We also have offices in Washington, DC and Huntsville, AL.Join us at Varda to help create a thriving ecosystem in space.About This RoleAs a Mechanisms Engineer on Varda’s Payload team, you will design and develop advanced electromechanical flight hardware that operates in the harsh conditions of orbit, withstands hypersonic reentry, and returns to Earth for assessment and refinement. You will take complete ownership of payloads for both pharmaceutical production and hypersonic reentry testing, guiding projects from concept through assembly, testing, launch, and recovery.

Senior Mechanical Engineer – Turbomachinery RotordynamicsRadiant Industries is on the lookout for a dynamic and experienced Senior Mechanical Engineer to join our innovative team. This pivotal role focuses on the power generation and primary cooling turbomachinery linked to our advanced Kaleidos product. As a key contributor, you will conduct thorough rotordynamic analyses and select appropriate bearings for high-speed rotating machinery, which includes compressors, turbines, and pumps designed for high-temperature applications. The ideal candidate will possess a robust background in rotordynamics and bearing selection, complemented by practical experience in hardware testing.Responsibilities:Design, construct, and evaluate turbomachinery for Radiant’s power generation systems.Conduct dynamic analyses of rotor-bearing systems to assess vibrational behavior, stability, and resonance attributes.Perform critical speed and Campbell diagram analyses, alongside stability assessments, to enhance rotor system designs for reduced vibration and resonance.Examine rotor response during transient operating conditions, including startups, shutdowns, and off-design operations.Select suitable bearing types (e.g., rolling element, fluid film, magnetic) based on operating conditions and performance needs. Assess bearing loads, lifespan, and thermal efficiency.Compile technical reports, design documentation, and presentation materials.Assist in the assembly and testing of prototypes, initial articles, and production hardware.Required Qualifications:Bachelor’s or Master’s degree in Mechanical Engineering or a related field.A minimum of 5 years’ experience in designing and analyzing turbomachinery, rotating equipment, or mechanisms.Solid grasp of rotordynamic principles and relevant tools (e.g., XLrotor, Dyrobes, or equivalent).Exceptional problem-solving, technical communication, and organizational skills.Desired Qualifications:Experience in power generation applications.Expertise in bearing selection for high-temperature, high-speed applications.Practical experience with turbomachinery testing and instrumentation.

Radiant Industries is seeking a Mechanical Engineer focused on electric motor design to join the team developing an advanced alternator for a nuclear-driven, high-speed power generation system. This entry-level position is designed for recent graduates who want hands-on experience with high-voltage electric motors and generators. The role is fully on-site at the El Segundo, CA headquarters. What you will do Design and analyze generator components used in high-speed power systems. Create detailed 3D models and 2D fabrication drawings using CAD and NX software. Collaborate with cross-functional engineering teams, including turbomachinery specialists, to develop systems that convert mechanical energy to electrical energy. Communicate with vendors to source parts for generator construction. Carry out bench, dynamic, and system testing on subsystem components and models. Participate in hands-on assembly, rapid prototyping, and integration of electric motors and generators. Support efforts to commercialize mass-produced nuclear reactors that deliver clean energy to remote locations and essential infrastructure. Requirements Bachelor's degree in Mechanical Engineering with a focus on electric motors. Solid understanding of permanent magnet electric motors. Practical experience in electric motor design, manufacturing, and assembly processes. Preferred qualifications Master's degree in Mechanical Engineering specializing in electric motors. Knowledge of motor control systems, including Space Vector Modulation (SVM). Experience working with teams in turbomachinery, power electronics, thermal, packaging, or software engineering. Additional requirements Willingness to work extended hours and weekends as needed. This position requires 100% on-site presence in El Segundo, CA.

Varda Space Industries builds commercial space infrastructure, including in-orbit pharmaceutical manufacturing and reentry capsules designed for cost efficiency. The company specializes in products enabled by microgravity, such as advanced fiber optics and pharmaceuticals, aiming to bring the benefits of space manufacturing to people on Earth. Founded in 2021 by Will Bruey and Delian Asparouhov, Varda’s team draws on backgrounds from SpaceX, Blue Origin, major pharmaceutical firms, and Silicon Valley. The company is supported by Khosla Ventures, Lux Capital, and Founders Fund. Headquarters and production are based in El Segundo, California, with offices in Washington, DC, and Huntsville, Alabama. Role overview The Lead Principal Mechanisms Engineer for Payloads leads the design and development of complex electromechanical flight hardware. This hardware must operate reliably in orbit, withstand hypersonic reentry, and return to Earth for further analysis and development. This position shapes the payload architecture for missions focused on pharmaceutical manufacturing and hypersonic reentry testbeds. The engineer guides projects from initial concept through detailed design, ensuring mission requirements are met throughout each stage.

Role Overview Varda Space Industries is hiring a Senior Mechanisms Engineer focused on payload systems in El Segundo, California. This role leads the design, development, and testing of mechanisms that enable advanced payloads for space applications. What You Will Do Design, develop, and test mechanisms that support complex payloads Work closely with multidisciplinary teams to integrate mechanical systems Help ensure payload mechanisms meet quality and performance requirements

About VardaThe era of low Earth orbit is here, and Varda is leading the charge. We are pioneering the evolution of commercial space infrastructure, ranging from in-orbit pharmaceutical production to the development of cost-effective reentry capsules.Our groundbreaking work allows for the creation of life-changing products that can only be manufactured in space, enhancing life on Earth. Varda is committed to igniting innovation in the orbital economy by building the products and infrastructure that directly benefit humanity. Our mission is to broaden the economic horizons of mankind.Our team combines a wealth of experience, with leaders and staff sourced from esteemed organizations like SpaceX, Blue Origin, and major pharmaceutical firms, complemented by expertise from Silicon Valley. Founded in January 2021 by Will Bruey and Delian Asparouhov, we are backed by top-tier investors including Khosla Ventures, Lux Capital, and Founders Fund.Headquartered in El Segundo, California, our office and production facility are where we design, integrate, and test our innovative vehicles, equipment, and materials. We also maintain offices in Washington, DC and Huntsville, AL.Join us at Varda and contribute to building a thriving in-space ecosystem. About This RoleAs a Manufacturing Engineer at Varda, you will leverage your expertise to transition manufacturing processes from a handful of custom vehicles to a large number of consistent, simultaneous builds. Your role will be critical in enhancing Varda's manufacturing capabilities.

Radiant Industries is on the forefront of innovative engineering solutions, and we are looking for a highly skilled Senior Mechanical Engineer (Structures) to join our team. In this pivotal role, you will design and develop critical structural components within our Kaleidos project, tackling unique challenges to create efficient and reliable structures that can withstand extreme temperature environments and adhere to volumetric constraints.As a Senior Mechanical Engineer, you will play a crucial role in the advancement of the first new commercial reactor design in over 50 years, set to launch by 2026. Your responsibilities will include conducting trade studies, material selection, detailed structural analysis, assembly, integration, and testing.

Join Radiant Industries as a Manufacturing Engineer!Radiant Industries is on the lookout for an enthusiastic and driven Manufacturing Engineer who will collaborate closely with our design engineers to drive innovation in the production of intricate mechanisms and structures that are vital to our advanced microreactor technology. As part of our team, you will play a key role in ensuring the reliable, safe, and high-quality delivery of the Kaleidos demonstration unit, set to be tested in 2026 at the Idaho National Laboratory. This project is crucial for evaluating the first new reactor design in over five decades.Key Responsibilities:Collaborate with the team responsible for the manufacturing and inspection processes of critical components and assemblies within the Kaleidos microreactor.Partner with design engineers to create innovative production methods for complex mechanisms and structures.Develop, qualify, and refine manufacturing processes to satisfy all design and business requirements, focusing on safety, quality, efficiency, and timely delivery.Create and implement manufacturing specifications and fabrication instructions.Identify and engage appropriate suppliers for sourcing and fabrication of components.Plan and execute upgrades for capital equipment, machines, and layouts to meet changing production needs.Work with the team to drive continuous improvement initiatives in manufacturing processes and product quality.

Join Varda Space Industries as a Manufacturing Engineering Intern for the Fall 2026 semester! This exciting opportunity allows you to work alongside industry professionals in a dynamic environment focused on space manufacturing technologies. You will gain hands-on experience, contribute to innovative projects, and enhance your engineering skills while working on real-world challenges in the aerospace sector.