Systems Integration Engineer

ALTEN Technology USA is an engineering firm supporting clients in aerospace, medical devices, robotics, automotive, and electric vehicles. The company operates in North America with over 3,000 professionals, and is part of the global ALTEN Group, which includes more than 57,000 engineers across 30 countries. This position is based on-site in Long Beach, California, with a standard schedule of five days per week. Role overview The Systems Integration Engineer leads the design, development, and integration of mechanical, electrical, and electronic systems. Projects often include aerospace components and span the full product lifecycle, from early concept through manufacturing and assembly. Key responsibilities Create 3D CAD models for system components Run simulations to confirm and validate designs Work with cross-functional teams to ensure product performance, manufacturability, assembly, and compliance with aerospace standards Guide system integration from individual components to final manufacturing Define testing requirements for both components and finished products

Join Our Mission at Odys AviationAt Odys Aviation, we are driven by a simple yet profound mission: to revolutionize air travel by creating safe and sustainable aircraft that significantly reduce travel time on the world's busiest routes. Our flagship aircraft, Alta, allows travelers to bypass the congestion of large airports by utilizing city helipads and local airports for journeys under 1,000 miles (accounting for approximately 40% of all flights). Notably, we aim to lower CO2 emissions by 76% across billions of flight miles globally.To achieve this, we are launching our UAV, Laila, which is designed for commercial logistics, medical transport, humanitarian efforts, disaster response, and defense missions. Our partnerships with industry leaders like Fiji Airways, Honeywell, and Aramex, as well as the US Navy, are set to roll out in 2026, with firm orders already secured.Our team comprises expert engineers hailing from deep tech and aerospace backgrounds, dedicated to rapid iteration processes and mastery of the aircraft certification journey. We bring experience from developing custom drones, launching multiple automotive platforms, and electrifying innovative transportation solutions. Together, we have been preparing our entire lives to tackle this ambitious challenge.About the RoleAre you excited about designing and integrating the software systems that empower advanced unmanned aircraft to operate autonomously and efficiently? If you excel at the junction of embedded development, real-time data processing, and intricate system integration, we invite you to consider joining our engineering team as a Software Engineer – Systems Integration.In this pivotal role, you will play a key part in the design, implementation, and integration of our on-board and ground software architectures, facilitating robust command and control, payload management, and autonomous operations. Collaborating closely with avionics and software engineering teams, you will help propel our mission forward.

True Anomaly, Inc. develops technology to protect the critical domain of space. The team builds autonomous spacecraft, advanced payloads, mission software, and space-based interceptors to help the U.S. and its allies maintain security and respond to threats in orbit. The company values creative problem-solving, bold thinking, and teamwork. Every team member contributes to building asymmetric advantages and pushing boundaries to achieve ambitious goals. Role overview The Avionics System Integration & Test Engineer will play a key role in integrating and validating avionics systems for aerospace applications. This position involves both leading and supporting efforts to ensure that all subsystems work together reliably, even in demanding environments. What you will do Plan, execute, and document integration and system-level tests for avionics systems Work closely with design, hardware, and software teams to ensure seamless operation of all subsystems Help verify that avionics systems meet requirements for performance and reliability What matters here Creativity and innovation in solving complex challenges Commitment to achieving extraordinary outcomes Collaboration and valuing team contributions This role is based in Long Beach, CA.

At Relativity Space, we are revolutionizing the aerospace industry by constructing rockets that cater to current demands and future advancements. Our Terran R rocket is engineered to transport customer payloads to orbit, addressing the increasing need for launch capabilities. This is just the beginning; achieving commercial success with the Terran R will create new avenues for scientific progress, exploration, and innovation, pushing the boundaries of what is known.Becoming a part of Relativity Space means immersing yourself in an environment where autonomy, ownership, and impact are integral to every role. Here, you are not merely completing tasks; you are tackling unprecedented challenges, aiding in the development of a rocket, a manufacturing facility, and a business from the ground up. Regardless of whether your expertise lies in propulsion, manufacturing, software, avionics, or corporate functions, you will engage in cross-functional collaboration, influence key decisions, and witness your contributions materialize at an unprecedented pace. Relativity is a space where innovation and technical excellence coexist, and your insights will shape the narratives we create together. This is a pivotal moment in our journey; it’s early enough for you to make an indelible impact on our product, processes, and culture, yet advanced enough that the Terran R is tangible and gaining traction. The most significant work of your career awaits. Join us.About the Team:The success of our Terran R vehicle operations depends on highly integrated, robust, and thoroughly tested software systems. The Software Systems Engineering team is a multidisciplinary group responsible for guaranteeing that the integrated software system supporting vehicle operations is functional, scalable, and performant, ready for testing and launch in accordance with program timelines and risk management protocols. We connect vehicle software with ground systems and hardware teams to ensure reliable end-to-end system performance. Our focus encompasses system-level requirements development, safety engineering and analysis, software-hardware integration, risk management, system-level debugging, launch readiness verification, and operational support. We are vital to mission success, ensuring that all software components operate synchronously across the entire stack—from conceptualization to launch.

About Odys AviationAt Odys Aviation, we are dedicated to revolutionizing air travel by creating safe and sustainable aircraft designed to reduce travel time significantly across the globe's most congested routes. Our flagship aircraft, Alta, allows passengers to bypass the hassle of large airports by utilizing city helipads and local airports for journeys under 1,000 miles, which account for approximately 40% of all flights. This innovative approach also results in an average CO2 reduction of 76% over tens of billions of flight miles worldwide.We are initiating our journey with our Unmanned Aerial Vehicle (UAV), Laila, aimed at transforming commercial logistics, medical transportation, humanitarian efforts, disaster response, and defense operations. We are set to deploy aircraft with partners such as Fiji Airways, Honeywell, Aramex, and the US Navy starting in 2026, with firm orders already secured.Our team is comprised of skilled engineers from the realms of deep technology and aerospace, committed to rapid iterative processes and a thorough understanding of aircraft certification. With a history of developing custom drones, launching multiple automotive projects, and creating electrified vehicles that both levitate and fly, we have dedicated our lives to learning, innovating, and preparing for the challenges ahead.About The RoleAre you passionate about tackling intricate engineering challenges and contributing to the advancement of cutting-edge aircraft systems? If you thrive on both strategic thinking and hands-on execution, this internship presents a unique chance to engage in the definition, architecture, integration, and testing of a groundbreaking aircraft.As a Systems Engineering and Integration Intern, you will collaborate across various disciplines to aid system development processes, encompassing requirements definition, hardware and software integration, and verification. You will work closely with engineering teams to help translate innovative concepts into functional systems.

Vast seeks an Integration Build Engineer based in Long Beach, California. This position centers on designing, developing, and maintaining integration solutions that help strengthen system performance and simplify operations. Collaboration with teams across the company is a key part of the work, ensuring software components connect and function reliably together. Role overview The Integration Build Engineer will play a central role in supporting the company’s technical infrastructure. The focus is on both creating new integrations and refining existing ones to keep operations running smoothly. What you will do Create and refine integration solutions that support company systems Maintain and improve existing integrations to boost operational efficiency Work with colleagues from different departments to achieve seamless software connections

Role overview Vast is seeking an Integration Engineer for Environmental Testing based in Long Beach, California. This position plays a key role in bridging new technology with strict environmental requirements. The work involves finding and applying solutions that help meet compliance and performance goals. What you will do This role focuses on supporting how new systems and technologies are tested against environmental standards. Day-to-day, you will help ensure that solutions meet both regulatory and performance expectations. Location This position is located onsite in Long Beach, California.

Join ALTEN Technology USA, a premier engineering firm dedicated to transforming innovative concepts into reality—from enhancing space exploration and developing life-saving medical devices to constructing autonomous electric vehicles. With a team of over 3,000 specialists across North America, we collaborate with leading enterprises in aerospace, medical technology, robotics, automotive, commercial vehicles, electric vehicles, and rail among others.As a proud member of the global ALTEN Group—comprising over 57,000 engineers across 30 countries—we manage the entire product development lifecycle, providing everything from consulting services to complete project outsourcing.When you join ALTEN Technology USA, you will engage in some of the most challenging engineering problems globally, bolstered by mentorship, opportunities for career advancement, and a comprehensive benefits package. We are committed to nurturing an environment where our employees feel appreciated, supported, and motivated to develop their careers. As a Design Release Engineer for Low Voltage Systems Integration, you will be instrumental in the design and development of Low Voltage systems, ensuring dependable performance. Your responsibilities will include leading system-level design initiatives while collaborating with various cross-functional teams to define product design, vehicle behavior, prototype integration, and validation with a focus on system-level performance. You will oversee the integration and validation processes for each vehicle build, ensuring the functionality and performance of Low Voltage systems throughout the product lifecycle. You will also conceptualize, design, engineer, develop, and assist in the launch of next-generation vehicle platform architectures for electric vehicles.Key Responsibilities:Validate low voltage system performance using appropriate analytical and experimental approaches.

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.

ABOUT ROCKET LABRocket Lab is a pioneering end-to-end space solutions provider that offers responsive launch services, comprehensive spacecraft design and manufacturing, payloads, satellite components, and more, all aimed at enhancing access to space. Our innovative rockets and satellites facilitate some of the most critical and ambitious space missions worldwide, contributing to scientific exploration, Earth observation, national security, and groundbreaking technology demonstrations.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 in the process of developing Neutron, our next-generation medium-lift, reusable launch vehicle designed for larger constellation deployments. Our Space Systems division is responsible for designing and building a diverse range of satellites, payloads, and components, including those selected for NASA missions to the Moon and Mars and parts utilized in the James Webb Space Telescope.NEUTRONNeutron is a medium-lift launch vehicle capable of delivering tomorrow's mega constellations, high assurance payloads, and facilitating human spaceflight. As a highly reusable launch platform, Neutron will provide a cost-effective and reliable launch solution, drawing on Rocket Lab's proven success with the Electron program. If you are interested in joining a high-performing team dedicated to pushing the boundaries with the development of reusable liquid launch vehicles, this is your opportunity!PAYLOAD INTEGRATION ENGINEER IIWe are looking for an experienced Payload Integration Engineer II with a background in launch vehicle or spacecraft integration. This role will operate under the guidance of the Team Lead for Payload Integration. The ideal candidate will have demonstrated expertise in one or more of the following areas: spacecraft or launch vehicle integration, systems engineering, and/or electrical/mechanical systems.The successful candidate will collaborate with spacecraft customer integration teams and direct tasks associated with the physical payload integration onto the Electron and HASTE launch vehicles. We require a candidate who thrives in a multidisciplinary team environment and possesses the confidence to engage with complex integration challenges.

At Relativity Space, we are pioneering the future of rocketry by creating innovative launch solutions that address both today’s demands and tomorrow’s aspirations. Our Terran R vehicle is designed to deliver payloads to orbit, responding to the increasing need for launch capacity. This endeavor is just the beginning; achieving commercial success with Terran R will open up new pathways for scientific advancement, exploration, and technological innovation, driving progress that transcends the known frontiers.Becoming a part of Relativity means immersing yourself in an environment where autonomy, ownership, and impactful contributions are paramount. Here, you will not merely execute tasks; you will tackle unprecedented challenges, helping to construct 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 engage across teams, influence critical decisions, and witness your efforts materialize rapidly. Relativity is a place where creativity and technical precision coexist, and your voice will be vital in shaping the collective narrative we are crafting together. This is a unique moment in time—early enough to make a significant impact on the product, the processes, and the culture, yet advanced enough that Terran R is becoming a reality and gaining momentum. The most fulfilling work of your career is waiting for you. Join us.About the Team: The Avionics team is responsible for the complete lifecycle of the Terran R’s nervous system, encompassing the design, construction, testing, installation, and operation of the hardware that interconnects and controls every essential electrical system on the vehicle and ground. This team thrives on close collaboration between avionics design, manufacturing, and testing to enable swift iterations and feedback loops. Our engineers are deeply integrated into various functions within Relativity, working hand-in-hand with propulsion, GNC, fluids, and stage engineering teams to ensure flawless integration and operation. Now is a pivotal moment to join us; you’ll have the opportunity to influence the foundational avionics architecture of Terran R and take ownership of components that will soar into the skies.

Join Relativity Space as a Propulsion Engineer II, Integrated Design, where you will play a crucial role in advancing aerospace technologies. In this dynamic position, you will contribute to the design and integration of propulsion systems, ensuring they meet the rigorous demands of modern space exploration. You will collaborate with a talented team of engineers, utilizing cutting-edge tools and methodologies to push the boundaries of what's possible in rocket technology.

At ALTEN Technology USA, we are an innovative engineering firm dedicated to transforming visionary concepts into reality. Our expertise spans from space exploration and essential medical devices to the development of autonomous electric vehicles. With over 3,000 professionals across North America, we collaborate with top-tier companies in aerospace, medical technology, robotics, automotive, commercial vehicles, electric vehicles (EVs), rail, and beyond.As a proud member of the global ALTEN Group, which encompasses more than 57,000 engineers in 30 countries, we provide comprehensive services throughout the entire product development lifecycle, from consulting to complete project outsourcing.Joining ALTEN Technology USA means engaging with some of the most challenging engineering problems in the world, supported by a robust mentorship program, opportunities for career advancement, and a wide range of benefits. We are committed to cultivating a workplace where our employees feel appreciated, encouraged, and empowered to excel.In the role of System Development Engineer - Low Voltage Systems, you will leverage your technical skills to effectively resolve complex challenges. You will collaborate with your team to define project scopes, establish requirements, identify potential risks, estimate budgets, and maintain clear communication regarding project progress. Your expertise will be instrumental in propelling the team forward as you work closely with fellow engineers.Key Responsibilities:Lead the full lifecycle release processes for various electronic components within the Product Lifecycle Management system (3DX).Guide engineering teams to address and resolve issues identified during design reviews, virtual builds, and production events, ensuring adherence to production schedules.Oversee the management of open issues for both internal and external projects, driving completion with high-quality standards.Foster supplier relationships in partnership with the Supply Chain team to ensure timely deliveries for production events.Facilitate crucial decision-making through cross-functional collaboration with engineering, finance, and strategy teams.Present information effectively to both technical and non-technical audiences, from team meetings to executive briefings.Proactively manage platform risks, evaluate trade-offs, and identify contingency plans or alternative strategies to mitigate risks, providing strong leadership during uncertain situations.Collaborate with engineers, designers, technicians, and suppliers to design, procure, and construct physical test assets.

Join Relativity as a Systems Engineering Manager, where you will lead a dynamic team of engineers in designing and implementing innovative solutions to complex engineering challenges. You will play a crucial role in enhancing our engineering processes and ensuring the successful delivery of projects. Your leadership will foster collaboration and drive the continuous improvement of our systems engineering practices.

Join Relativity Space as a Staff Propulsion Engineer specializing in Integrated Design, where you will contribute to the cutting-edge development of propulsion systems. In this role, you will leverage your expertise to design, analyze, and optimize propulsion components, ensuring the successful integration of these systems into our advanced aerospace vehicles.

At Relativity Space, we are revolutionizing space travel by constructing rockets that cater to the demands of today while paving the way for tomorrow's innovations. Our Terran R vehicle is designed to transport customer payloads into orbit, addressing the increasing need for launch capacity. However, this is merely the beginning. The commercial success of Terran R will unlock unprecedented opportunities for scientific advancement, exploration, and innovation, propelling progress beyond our current understanding.Becoming a part of Relativity means joining a culture where autonomy, ownership, and meaningful impact are integral to every role. Here, you will not merely perform tasks; you will tackle challenges that have yet to be resolved, contributing to the development of a rocket, a factory, and a company from scratch. Whether your expertise lies in propulsion, manufacturing, software, avionics, or corporate functions, you will collaborate across diverse teams, influence strategic decisions, and witness your contributions materialize swiftly. Relativity is a place where creativity and technical precision coexist, allowing your voice to shape our collective journey. This moment in history is unique; it is early enough for you to leave your mark on the product, process, and culture, yet advanced enough that the Terran R is tangible and gaining momentum. The most significant work of your career awaits. Join us.About the Team: The Stage Manufacturing team transforms designs into tangible realities, overseeing the construction of Terran R’s core structures. This role is not about monotonous tasks; it’s about constructing the systems that enable rocket assembly. Engineers and technicians collaborate closely, providing real-time feedback to enhance our building processes. With a clear manifest and launch schedule, the team is responsible for delivering on Terran R’s objectives: addressing challenges as they arise, optimizing for scalability, and continuously refining our methodologies. As the vehicle evolves, so too will the factory, presenting opportunities to integrate automation, machine learning, and cutting-edge technologies. What we are building here will establish the blueprint for the future of scaled launches.

Join Rocket Lab as a Senior Fluid Systems Engineer I, where you will play a crucial role in the design and development of our advanced fluid systems. Your expertise will contribute to cutting-edge projects, ensuring performance and reliability in our launch vehicles. You will collaborate with a talented team, leveraging your skills in fluid dynamics and system integration to drive innovative solutions.

At Relativity Space, we are at the forefront of revolutionizing space technology, designing and manufacturing rockets to meet both current demands and future innovations. Our Terran R vehicle is engineered to launch customer payloads into orbit, addressing the increasing need for launch capacity. This is just the beginning; commercializing Terran R will open new avenues for advancing scientific exploration and innovation, pushing the boundaries of what’s possible. By joining Relativity, you become part of a culture that values autonomy, ownership, and impactful contributions at all levels. Here, you won't just be executing tasks; you will be a vital part of solving unprecedented challenges, contributing to the development of a rocket, a factory, and an entire business from the ground up. Whether your expertise lies in propulsion, manufacturing, software, avionics, or corporate functions, you will work cross-functionally, influence key decisions, and witness your contributions come to life swiftly. Relativity is a dynamic environment where creativity and technical excellence coexist, and your input will shape the narrative of our collective journey. This is a unique moment to make a significant impact on our products, processes, and culture as Terran R gains momentum. The most fulfilling work of your career awaits you here. Join us and let’s reach for the stars together.

Join Relativity Space as a Senior Propulsion Engineer within our Integrated Design team, where innovative minds collaborate to revolutionize the aerospace industry. In this advanced role, you will leverage your expertise to design, develop, and optimize propulsion systems for our next-generation launch vehicles. Your contributions will play a vital role in enhancing our capabilities and driving the success of our missions.

Join Relativity as a Quality Systems Engineering Specialist, where you will play a pivotal role in enhancing our quality assurance processes. You will collaborate with cross-functional teams to develop and implement quality management systems, ensuring compliance with industry standards. Your expertise will help in driving continuous improvement initiatives and maintaining the high-quality standards that define our products.