Principal Propulsion Engineer, Engine Systems & Test

At Relativity Space, we are revolutionizing space exploration by designing and building rockets that address current needs while paving the way for future advancements. Our groundbreaking Terran R vehicle is set to deliver customer payloads to orbit, fulfilling the increasing market demand for launch capabilities. However, this is just the beginning. Achieving commercial success with Terran R will open new avenues for scientific discovery, exploration, and innovation, leading progress beyond our current horizons.Becoming a part of Relativity means embracing an environment rich in autonomy, ownership, and impact at every level. Here, you won’t merely perform tasks; you’ll tackle unprecedented challenges, contributing to the development of rockets, factories, and businesses from the ground up. Regardless of your expertise—be it in propulsion, manufacturing, software, avionics, or corporate functions—you will collaborate across teams, influence strategic decisions, and witness the tangible results of your work in record time. At Relativity, creativity and technical precision coexist, and your contributions will help shape our collective narrative. This is a unique opportunity to leave your imprint on the product, process, and culture at a pivotal moment when the Terran R is becoming increasingly tangible and gaining momentum. The most significant work of your career awaits. Join us.About the Team: The Interplanetary Program was established to broaden access to scientific exploration across our solar system. Its mission is to accelerate planetary research, making it more efficient, affordable, and capable than ever before. We are reimagining the design, construction, and operation of scientific missions to enable scientists to deploy instruments to distant worlds without facing prohibitive costs or timelines.

About UsWith over 40 years of excellence, Action Property Management stands as the premier choice for homeowner association management. Established in 1984, we began with a singular vision: to enhance ethical and professional standards within the HOA industry. Our commitment to integrity, professionalism, and our core values of excellence, innovation, and care for our communities continues to define our journey. As the largest privately owned HOA management company in the Western United States, we proudly manage over 300 communities from 9 offices. Our success is driven by a devoted team of nearly 900 professionals who are passionate about helping homeowners thrive in their living environments.Position OverviewThe General Manager at Action Property Management is an influential leader responsible for the daily operations and strategic oversight of a premier residential community. This role is crucial in nurturing robust relationships with homeowners, Board members, and on-site teams, ensuring that property standards reflect Action's core values and commitment to service excellence. The ideal candidate will lead with integrity, strategic insight, and a dedication to continuous improvement, driving exceptional client satisfaction and operational effectiveness.At Action Property Management, we don’t just manage communities; we craft outstanding living experiences. We are currently seeking a distinguished Luxury High-Rise General Manager to oversee the prestigious West Ocean community located in Long Beach, CA. This position is perfect for a seasoned leader who excels in high-expectation environments and is skilled at delivering top-tier service while managing a high-performing onsite team.Compensation: up to $140,000 based on experience.

At Relativity Space, we are revolutionizing space travel by building innovative rockets that address both current demands and future possibilities. Our Terran R vehicle is designed to transport customer payloads into orbit, catering to the increasing need for launch capabilities. This is merely the beginning; achieving commercial success with Terran R will pave the way for new advancements in science, exploration, and innovation, enabling us to push the boundaries of what is known.Becoming part of Relativity means joining a team where autonomy, ownership, and impact are integral to every role. Here, you won’t just perform tasks; you will tackle unprecedented challenges, contributing to the development of a rocket, a manufacturing facility, and a thriving business from the ground up. Whether your expertise lies in propulsion, manufacturing, software, avionics, or corporate functions, you will collaborate across teams, influence decisions, and witness your work materialize in record time. At Relativity, creativity and technical precision coexist, and your insights will shape the narrative we are crafting together. This is a unique opportunity to make a significant impact on our product, processes, and culture, at a pivotal moment when Terran R is gaining momentum and becoming a reality. The most fulfilling work of your career awaits. Join us.About the Team:Our Propulsion team is dedicated to the design and production of high-performance, manufacturable engines for the Terran R. Engineers within this team oversee the entire lifecycle of their components, from initial design through production to qualification and flight. We cultivate a culture of grassroots decision-making, devoid of technical gatekeeping, where accountability and ownership are paramount. Designing engines capable of producing over 250,000 pounds of thrust is just the beginning. As we move towards flight configuration qualification, the team is actively exploring modifications for future engines, including thrust enhancements, new operational cycles, and designs optimized for mass production.About the Role:

Join Vast as a Manufacturing Engineer, where you will play a crucial role in enhancing our manufacturing processes and ensuring product quality. You will collaborate with cross-functional teams to optimize production efficiency and support innovative projects that drive our growth.

At Relativity Space, we are revolutionizing the aerospace industry by creating rockets that not only meet today's demands but also pave the way for future innovations. Our cutting-edge Terran R vehicle is designed to transport customer payloads into orbit, addressing the increasing need for launch capacity. This is merely the beginning; achieving commercial success with the Terran R will open doors to groundbreaking advancements in science, exploration, and technology.Becoming a part of Relativity means joining a team that values autonomy, ownership, and transformative impact at every level. Here, you won't just complete tasks; you'll tackle unprecedented challenges, contributing to the development of a rocket, a manufacturing process, and an innovative business from the ground up. Regardless of your role—be it in propulsion, manufacturing, software, avionics, or corporate functions—you will collaborate across teams, influence pivotal decisions, and witness your contributions come to life in record time. Relativity fosters an environment where creativity intertwines with technical excellence, and your insights will help shape our collective journey. This is a unique opportunity to leave your mark on the product, processes, and culture, while Terran R gains momentum and becomes increasingly tangible. The most impactful work of your career awaits. Join us.About the Team: Our Propulsion team is dedicated to designing and delivering high-performance, manufacturable engines for the Terran R rocket. Each engineer on the team is accountable for their components throughout the entire lifecycle—from initial design to production, qualification, and flight. We nurture a culture of bottom-up decision-making, free from technical constraints, where ownership and accountability are paramount. Designing engines capable of producing over 250,000 pounds of thrust is just the starting point; as we prepare for qualification, we are actively exploring upgrades for future engines, including enhancements in thrust, new operational cycles, and strategies for mass production.About the Role: As a Senior Propulsion Engineer at Relativity Space, you will play a pivotal role in our mission to advance rocket propulsion technology. This position requires a strong technical background, innovative thinking, and a commitment to excellence in engineering.

Join ALTEN Technology USA, a pioneering engineering firm dedicated to transforming innovative ideas into reality. From enhancing space exploration and developing life-saving medical devices to creating cutting-edge autonomous electric vehicles, our team of over 3,000 experts across North America collaborates with top-tier companies in aerospace, medical devices, robotics, automotive, and more.As a vital member of the global ALTEN Group, which boasts over 57,000 engineers across 30 countries, we manage the entire product development cycle—from consulting to comprehensive project outsourcing.At ALTEN Technology USA, you will face some of the most challenging engineering problems in the industry, backed by mentorship, abundant career advancement opportunities, and a robust benefits package. We pride ourselves on cultivating a workplace culture where every employee feels appreciated, supported, and empowered to grow.Location: Long Beach, CAAs a Design and Release Engineer - Glazing, you will oversee the complete development of vehicle components and systems, from initial concept to production release. This position demands a strong proficiency in 3D design, a thorough understanding of engineering requirements, and the ability to collaborate with cross-functional teams to deliver high-caliber, manufacturable, and cost-efficient solutions.

As a Materials and Processes Engineer at vast, you will play a pivotal role in driving innovation and excellence in materials engineering. Your expertise will be crucial in developing and implementing advanced processes that enhance product performance and sustainability. Join our dynamic team and contribute to groundbreaking projects that shape the future of our industry.

Role overview The Dynamics Engineer at Vast plays a key part in developing and refining dynamic systems for ongoing projects in Long Beach, California. This position requires hands-on work to ensure these systems meet the needs of both the projects and stakeholders. Collaboration is central to this role. The Dynamics Engineer works closely with teams from a range of disciplines, building processes and solutions that fit specific requirements. Attention to detail and adaptability are important, as projects may shift and evolve. What you will do Develop and improve dynamic systems that support active projects Collaborate with cross-functional teams to deliver effective solutions Tailor processes and systems to meet project and stakeholder needs Location This position is based in Long Beach, California.

At Relativity Space, we are at the forefront of aerospace innovation, crafting rockets designed to meet both present demands and future advancements. Our Terran R vehicle is set to revolutionize launch capacity, catering to clients' needs while paving the way for groundbreaking scientific exploration and innovation. By joining Relativity, you will be part of a dynamic environment that values autonomy, ownership, and impactful contributions at every level. Here, you will not merely execute tasks, but tackle unprecedented challenges, contributing to the development of pioneering rockets, advanced manufacturing processes, and a forward-thinking business model. Whether you're in propulsion, manufacturing, software, avionics, or in a corporate role, your collaboration across teams will shape critical decisions, and you will witness your work come to life swiftly. Relativity is a unique space where creativity and technical excellence merge, allowing you to leave a lasting impact on our product, processes, and culture. The most significant work of your career is waiting for you. Join us in this exciting journey.

Founded in 2025, Long Wall Company is dedicated to advancing missile defense technologies for the U.S. and allied nations. With a focus on developing containerized, mass-producible missile defense systems, we strive to enhance global security through rapid and cost-effective flight testing. Our mission is to create defensive technologies that are more affordable, high-performing, rigorously tested, and widely accessible than ever before. Join our innovative team and be part of this critical endeavor.What We SeekMission-Driven Innovators. We are looking for engineers who possess a deep curiosity, view challenges as opportunities for growth, and remain committed to delivering optimal solutions for mission success.Accountability and Teamwork. We value engineers who take full ownership of their contributions and understand that collaboration amplifies success. The best engineers uplift their teammates, fostering a culture of shared expertise that drives our missions forward.Fluid Components EngineerOur aerospace components must withstand extreme conditions, including high temperatures, low temperatures, high pressure, and significant vibrations and shocks, ensuring reliable operation under all circumstances. From separation mechanisms to solenoid valves that control engine functions, Long Wall designs, manufactures, and rigorously tests the majority of its components in-house, necessitating top-tier talent to achieve our goals.

A new era in space exploration is upon us. True Anomaly is on the lookout for exceptional talent eager to develop groundbreaking technology that tackles the future challenges in engineering, manufacturing, and operations within the realm of space security and sustainability.OUR MISSIONThe peaceful utilization of space is vital for our ongoing prosperity here on Earth—from communications and finance to navigation and logistics. At True Anomaly, we engineer cutting-edge technology that merges spacecraft, software, and AI to amplify the capabilities of the U.S., its allies, and commercial partners. We are committed to safeguarding global security by ensuring sustainable access to space for everyone.OUR VALUESBe the offset. We cultivate asymmetric advantages through creativity and ingenuity.What would it take? We question the status quo to achieve ambitious outcomes.It’s the people. Our team is our greatest asset, and collaboration makes us stronger.YOUR MISSIONAs the Quality Engineer specializing in hardware at True Anomaly, you will play a pivotal role in the Spacecraft Development team. You will be responsible for inspecting both in-process and finished products to ensure they meet True Anomaly's internal quality specifications. Additionally, you will provide guidance to Missions and Production teams based on your findings. You will manage product quality standards, as well as environmental and safety objectives, both internally with production staff and externally with suppliers and customers. This position offers you the opportunity to design and implement processes while training team members to execute them successfully.

Join Vast as an EMI-EMC Engineer I, where your skills will play a crucial role in the development and testing of innovative electromagnetic compatibility (EMC) solutions. Collaborate with a dynamic team to ensure products meet stringent EMC standards and perform optimally in various environments.

Join vast as a Supplier Reliability Manager, where you will be instrumental in enhancing supplier performance and ensuring the reliability of our supply chain. In this role, you will lead initiatives to monitor and assess supplier capabilities, implement quality assurance measures, and collaborate closely with cross-functional teams to drive improvements. Your expertise will help us maintain our high standards and support our mission of delivering exceptional products to our customers.

At Relativity Space, we are revolutionizing space exploration by constructing innovative rockets that cater to today's demands and pave the way for future breakthroughs. Our Terran R vehicle is designed to transport customer payloads into orbit, addressing the increasing need for launch capacity. This is merely the beginning. The commercial success of Terran R will create new avenues to push the boundaries of science, exploration, and innovation, fostering progress that extends beyond the known frontiers.Becoming part of Relativity means engaging in a culture marked by autonomy, ownership, and impact at every level. Here, you're not just executing tasks; you're tackling unprecedented challenges, contributing to the development of a rocket, a factory, and a flourishing business from the ground up. Whether your expertise lies in propulsion, manufacturing, software, avionics, or corporate functions, you will collaborate across diverse teams, influence decisions, and witness your contributions manifest in record time. Relativity is a place where creativity and technical precision converge, and your insights will help shape the narratives we are crafting together. This is an extraordinary moment to leave your imprint on the product, the process, and the culture, as Terran R gains momentum and becomes a tangible reality. The most significant work of your career awaits you. Join us.About the Team: The Additive Technology team operates at the forefront of research and development, where creativity intersects with capability. This R&D-driven environment fosters open-ended problem-solving and empowers you to define solutions. You will collaborate with welders, robotics engineers, data scientists, and systems engineers at the crossroads of hardware and software, developing a comprehensive additive manufacturing platform that serves a multitude of applications. From investigating new materials to enhancing print speeds and designing intricate, organic geometries that defy conventional manufacturing methods, your work here will have a high-impact foundation in the future of additive manufacturing.

Long Wall Company, established in 2025, is committed to advancing missile defense technology for the United States and our allies. Building upon the innovative RS1 and GS0 launch systems, Long Wall specializes in developing containerized, mass-producible missile defense systems, providing rapid and cost-effective flight testing. We believe that the future of global security and stability hinges on defensive technology that is more affordable, higher performing, thoroughly tested, and widely available than what is currently achievable. Join us in this mission.What We SeekMission-Driven Innovators. The aerospace arena requires creativity and resourcefulness. We are on the lookout for engineers who tackle problems with inquisitiveness, view setbacks as opportunities for growth, and remain dedicated to delivering optimal solutions for our mission.Total Accountability. We value engineers who take complete ownership of their contributions to flight-ready projects, recognizing that collaboration is key to success. The most effective engineers enhance their teammates' capabilities, understanding that diverse skills amplify collective success.Role OverviewAs a Test and Operations Engineer, you will be the final checkpoint for Long Wall hardware and propulsion systems prior to testing and flight. This role encompasses overseeing hardware testing, vehicle integration, ground systems, and payload processing. You will play a crucial role in the development, implementation, and operation of test and launch systems at our facilities in Long Beach and El Segundo, as well as at our Mojave test site and launch locations. Key responsibilities include preparing and operating hardware and sites for engine testing, ground system evaluations, flight hardware assessments, and vehicle launches. This position requires a proactive individual with exceptional attention to detail.

ABOUT ROCKET LABRocket Lab is a pioneering space company dedicated to providing comprehensive launch services, innovative spacecraft design and manufacturing, and advanced satellite technology, all aimed at democratizing access to space. Our rockets and satellites facilitate some of the most critical space missions worldwide, from scientific research and Earth observation to climate change initiatives and national security projects.Our Electron rocket has established itself as the second most frequently launched U.S. rocket each year, successfully delivering over 230 satellites into orbit. We are also developing Neutron, our cutting-edge medium-lift, reusable launch vehicle designed for larger constellation deployments. In addition, our Space Systems division specializes in crafting a diverse range of satellites, payloads, and components, including those selected for NASA missions to the Moon and Mars as well as instruments used on the James Webb Space Telescope.NEUTRONNeutron represents a revolutionary medium-lift launch vehicle poised to support the mega constellations of the future, high assurance payloads, and human spaceflight ventures. As a reusable platform, Neutron promises a cost-effective and reliable solution, leveraging Rocket Lab’s successful track record with the Electron program. If you are eager to join a high-performing team and engage in the groundbreaking development of a reusable liquid launch vehicle, this is your chance!PROPULSION ENGINEER II – ARCHIMEDES ENGINE SYSTEMSIn the role of Engine Systems Propulsion Engineer, you will be instrumental in the development, testing, and operation of the Archimedes Engine family, a key component of the Neutron rocket program. This highly specialized position entails taking ownership of engine subsystems, conducting test campaigns, performing data analysis, and enhancing designs for reliability and operational efficiency, while also navigating system architecture decisions, managing interfaces, and optimizing vehicle requirements.Your success in this role will depend on your autonomy, technical acumen, curiosity, meticulous attention to detail, and your ability to distill complex systems into actionable plans while collaborating effectively across teams.

Join Relativity Space as a Senior Avionics Hardware Engineer and play a pivotal role in revolutionizing aerospace manufacturing. In this position, you will be responsible for designing and developing advanced avionics hardware systems that are crucial for our cutting-edge rockets. Your expertise will contribute to the successful integration and testing of these systems, ensuring unparalleled performance and reliability.

Alten Technology USA is hiring a Senior Electrical Integration Engineer in Long Beach, California. This position focuses on integrating electrical systems and components to support project goals and maintain high standards of performance and reliability. Role overview The Senior Electrical Integration Engineer will work closely with teams from different disciplines. The main responsibility is to bring together electrical systems and ensure they function smoothly within each project. Attention to detail and a strong understanding of integration challenges are essential. Key responsibilities Integrate electrical systems and components for multiple projects Collaborate with cross-functional teams to design, test, and implement solutions Focus on performance, reliability, and meeting client requirements Collaboration This role involves frequent teamwork with engineers and specialists from other areas. Clear communication and a proactive approach help deliver solutions that align with client needs.

At Relativity Space, we are revolutionizing the aerospace industry by designing and constructing rockets that meet current demands and pave the way for future innovations. Our Terran R vehicle is set to deliver customer payloads to orbit, addressing the increasing need for launch capacity. This is merely the beginning; achieving commercial success with Terran R will open new avenues for scientific advancement, exploration, and groundbreaking innovations that extend beyond our existing understanding.Joining Relativity means becoming part of an environment where autonomy, ownership, and impactful contributions are paramount. Here, you won't merely perform tasks; you'll tackle unprecedented challenges, contributing to the development of a rocket, a factory, and an entire business from the ground up. Regardless of whether you are in propulsion, manufacturing, software, avionics, or a corporate role, collaboration across teams is essential, allowing you to influence decisions and witness your contributions come to life in record time. Relativity fosters a culture where creativity and technical excellence coexist, and your insights will shape the narratives we create together. This is a unique moment where you can leave a lasting impact on our product, processes, and culture, as the Terran R project gains momentum and becomes more tangible. The most fulfilling work of your career awaits. Join us.About the Team: The Structures and Mechanisms team oversees the entire design, production, and testing lifecycle of Terran R's integrated structures and flight mechanisms. Whether you are developing sophisticated mechanisms that facilitate movement or designing tight-margin structures, you'll have hands-on ownership of hardware and witness the rocket taking shape on the factory floor. Both teams work cohesively under one department, sharing design principles, tools, and an integrated approach that offers a holistic perspective of Terran R. Team members engage with multiple components rather than being limited to a single subsystem, empowering them to make decisions that significantly influence flight hardware. Beyond the first flight, you will play a vital role in enhancing manufacturability and efficiency.