Science Payload Lead Engineer/Scientist

Relativity SpaceLong Beach, California

On-site Full-time $150K/yr - $207K/yr

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Experience Level

Experience

Qualifications

We are seeking a highly motivated and talented engineer/scientist with a strong background in aerospace engineering or related fields. Candidates should possess excellent problem-solving skills, a passion for innovation, and the ability to work collaboratively within a team. Relevant experience in payload integration, mission planning, or related disciplines is preferred. A strong knowledge of scientific principles and engineering practices is essential. Additionally, candidates should be adaptable, capable of thriving in a fast-paced, dynamic environment.

About the job

Joining Relativity means becoming a part of a culture where autonomy, ownership, and impact permeate every level of our organization. Here, you will not solely be executing tasks; you will be tackling unsolved problems, contributing to the development of a rocket, a factory, and a thriving business from the ground up. Whether your expertise lies in propulsion, manufacturing, software, avionics, or corporate functions, you will collaborate across diverse teams, influence decision-making, and witness your contributions materialize in record time. Relativity is a unique environment where creativity and technical excellence coexist, and your voice will be instrumental in shaping the narratives we create together. Now is a remarkable opportunity to leave your imprint on our product, process, and culture, while the Terran R project is gaining traction and becoming a reality. The most significant work of your career awaits you. Join us.

About the Team:

Our Interplanetary Sciences Program aims to broaden access to scientific exploration throughout our solar system. Its mission is to expedite planetary research, making it more affordable and capable than ever before by reimagining the design, construction, and operation of science missions. We aim to empower scientists to deploy instruments to distant worlds without the burden of lengthy development times or prohibitive costs. By establishing a sustainable model for interplanetary exploration, we are transforming space science from an infrequent event into a continuous journey of discovery that enhances knowledge, fosters broader participation, and inspires the next generation of explorers.

About the Role:

About Relativity Space

Relativity Space is at the forefront of aerospace innovation, dedicated to transforming the way rockets are built and launched. Our mission is to make space accessible for everyone, enabling advancements in science, exploration, and technology. With a commitment to sustainability and efficiency, we aim to redefine the future of interplanetary exploration.

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Senior Mechanisms Systems Engineer

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Full-time|$142K/yr - $181.5K/yr|On-site|Long Beach, California

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.

Feb 6, 2026

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Senior Fluid Systems Engineer I

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Full-time|On-site|Long Beach, CA

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Apr 7, 2026

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Senior IT Systems Engineer I

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Full-time|$115K/yr - $140K/yr|On-site|Long Beach, CA

ABOUT ROCKET LABRocket Lab is a pioneering end-to-end space company that provides agile launch services, comprehensive spacecraft design and manufacturing, payload delivery, satellite components, and more, all aimed at democratizing access to space. Our rockets and satellites facilitate some of the most ambitious and critical space missions worldwide, contributing to scientific exploration, Earth observation, climate change initiatives, 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. Meanwhile, we are developing Neutron, our forthcoming medium-lift, reusable launch vehicle designed for deploying larger satellite constellations. Our Space Systems division specializes in designing and manufacturing a wide array of satellites, payloads, and components, including those selected for NASA's Moon and Mars missions and parts utilized in the James Webb Space Telescope.IT TEAM OVERVIEWThe IT team at Rocket Lab plays a vital role in facilitating information access and operational management across our global teams via our computer systems, networks, and devices. Our dedicated IT professionals are adept problem-solvers who thrive in a dynamic environment, supporting our proprietary systems and personnel across various departments, from finance to launch operations.ROLE SUMMARY: SENIOR IT SYSTEMS ENGINEERThis position, located at Rocket Lab's global headquarters in Long Beach, CA, involves joining a fast-paced, collaborative manufacturing environment. As a Senior IT Systems Engineer, you will be responsible for the implementation, administration, and operational support of code-based infrastructure utilized at Rocket Lab.KEY RESPONSIBILITIES:Provide expert guidance and support in managing and delivering IT systems, ensuring efficient cloud infrastructure management and project delivery.Conduct upgrades and maintenance with a focus on continuous improvement to ensure a reliable and secure infrastructure.Lead project planning and execution for infrastructure projects.Collaborate with a team of IT professionals to address and resolve complex technical challenges.

Feb 14, 2026

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Spacecraft Operations Engineer II - Top Secret Clearance

Rocket Lab

Full-time|$105K/yr - $145K/yr|On-site|Long Beach, CA

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Mar 2, 2026

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