GNC jobs in Seal Beach, CA

Long Beach, California

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Today

At Relativity Space, we're building rockets to serve today's needs and tomorrow's breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launch capacity. But that's just the start. Achieving commercial success with Terran R will unlock new opportunities to advance science, exploration, and innovation, pioneering progress that reaches beyond the known. Joining Relativity means becoming part of something where autonomy, ownership, and impact ex

Full-time

USD 126,000.00 - 188,000.00 per year

Summer 2027 Engineering Internship, Software/GNC

Huntington Beach, California

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Today

About Mach Industries Founded in 2023, Mach Industries is a rapidly growing defense technology company focused on developing next-generation autonomous defense platforms. At the core of our mission is the commitment to delivering scalable, decentralized defense systems that enhance the strategic capabilities of the United States and its allies. With a workforce of approximately 350 employees, we operate with startup agility and ambition. Our vision is to redefine the future of warfare through

Full-time

USD 30.00 - 55.00 per hour

Principal GNC Engineer

Hawthorne, California

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Today

At Reflect, you will be expected to move fast, have a lot of ownership and, most importantly, be able to effect change. If this excites you, we are interested in hearing about your best work and accomplishments across any domain and from any points in your life. About the Role As a Principal GNC Engineer you will directly shape the in-orbit performance of a novel space vehicle. Your work will span vehicle-level dynamics and control, orbit propagation, flight software and HITL testing on our av

Full-time

USD 130,000.00 - 220,000.00 per year

Senior GNC Engineer

Hawthorne, California

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Today

At Reflect, you will be expected to move fast, have a lot of ownership and, most importantly, be able to effect change. If this excites you, we are interested in hearing about your best work and accomplishments across any domain and from any points in your life. About the Role As a Senior GNC Engineer you will directly shape the in-orbit performance of a novel space vehicle. Your work will span vehicle-level dynamics and control, orbit propagation, flight software and HITL testing on our avion

Full-time

USD 130,000.00 - 220,000.00 per year

Senior GNC Engineer

Torrance, California

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Today

Who we are Neros is a defense technology company rebuilding America's drone industrial base. We design and manufacture high-performance unmanned systems that are tested in combat, iterated at startup speed, and built at massive scale. Our team culture is fast, hands-on, and obsessed with closing the gap between design and deployment. As drones transform the character of warfare, Neros is delivering the systems the West needs to compete on the modern battlefield and deter the adversaries of dem

Full-time

USD 163,500.00 - 228,500.00 per year

GNC Engineer, Modeling & Simulation

Huntington Beach, California

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Today

Full-time

USD 135,000.00 - 185,000.00 per year

GNC Simulation Engineer I

Long Beach, California

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Today

Full-time

USD 110,000.00 - 164,000.00 per year

GNC Engineer

Irvine, California

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Today

Turion is developing the critical infrastructure of the space economy. We're doing this by building vertically integrated hardware and software: DROID, our line of space vehicles, and Starfire, our software suite covering simulation, modeling, planning, and operations. We're a group of people who fell in love with the future sci-fi promised us, and we're building it into reality. We build hard things. We build them well. And we're just getting started. Turion Space is seeking a talented Satelli

Full-time

USD 100,000.00 - 135,000.00 per year

GNC Engineer, Controls

Huntington Beach, California

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Today

Full-time

USD 125,000.00 - 160,000.00 per year

May 2027 New Graduate Engineer, GNC & Modeling and Simulation

Huntington Beach, California

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Today

Full-time

USD 130,000.00 - 135,000.00 per year

GNC Engineer

Irvine, California

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Today

About Our Transition to Ondas Sentinel DZYNE Technologies was recently acquired by Ondas Inc. (NASDAQ: ONDS) and, together with World View, has joined forces to create Ondas Sentinel. Ondas Sentinel is a next-generation U.S. defense platform integrating long-endurance ISR, autonomous systems, counter-UAS technologies, and mission intelligence. While DZYNE is now part of Ondas Sentinel, we are still legally operating as DZYNE as we complete the formal integration of our systems and processes. A

Full-time

USD 115,000.00 - 160,000.00 per year

Principal GNC Engineer

Huntington Beach, California

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Today

Full-time

USD 240,000.00 - 280,000.00 per year

Sr. Engineer, GNC

Tustin, California

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Today

Virgin Galactic is seeking a talented and motivated Senior Engineering for the Flight Controls Guidance Navigation and Control team. Guided by our values, "Safety Above All", we proactively manage the risks inherent in human spaceflight through our daily actions.The focus of the role is developing the analysis and software to deliver good handling qualities throughout the unique mission profile of Spaceship. In this role, you will collaborate with Pilots, System Analysis, Flight Test, Avionics,

Full-time

USD 108,871.00 - 166,036.00 per year

December 2026 New Graduate Engineer, Software / GNC

Huntington Beach, California

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Today

Full-time

USD 130,000.00 - 135,000.00 per year

GNC Engineer

Torrance, California

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Today

About the job GNC Engineer Why Castelion, Why Now Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus and technical excellence are decisive advantages - and we are building a team that can deliver real capability, not just concepts. This is a rare opportunity to join at an early stage, where your work will directly shape critical systems, influence major technical decisions, and have immediate, re

Full-time

GNC Engineer - Actuation Systems

Torrance, California

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Today

About the job GNC Engineer - Actuation Systems Why Castelion, Why Now Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus and technical excellence are decisive advantages - and we are building a team that can deliver real capability, not just concepts. This is a rare opportunity to join at an early stage, where your work will directly shape critical systems, influence major technical decisions, an

Full-time

GNC Engineer, Beam Planning (Starshield)

Hawthorne, California

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Today

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. GNC ENGINEER, BEAM PLANNING (STARSHIELD) Starshield leverages SpaceX's Starlink technology and launch capability to support national security efforts. While Starlink is designed for consumer and commercial use, Starsh

Full-time

USD 125,000.00 - 150,000.00 per year

GNC Engineer - Interceptor Guidance & Autonomy

Hawthorne, California

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Today

GNC Engineer - Build the guidance and autonomy stack for a new class of interceptor systems Hawthorne, California | On-site Opportunity Summary Join a recently funded seed-stage defense technology startup developing a new generation of low-cost interceptor systems for rapidly evolving airborne threats. The company has already designed, built, and demonstrated working flight hardware with military users and is now expanding its engineering team as it moves from successful early intercepts towa

Full-time

USD 100,000.00 - 160,000.00 per year

GNC Engineering Intern - Summer 2027

Los Angeles, California

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Today

K2 is building the largest and highest-power satellites ever flown, unlocking performance levels previously out of reach across every orbit. Backed by over $1 billion in total funding from leading investors including Altimeter Capital, ICONIQ, Kleiner Perkins, Lightspeed Venture Partners, Redpoint Ventures, and T. Rowe Price - and with over $1 billion in signed contracts across commercial and US government customers, we're mass-producing the highest-power satellite platforms ever built for missi

Full-time

USD 30.00 - 40.00 per hour

GNC Engineer, ADCS (Starshield)

Hawthorne, California

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Today

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. GNC ENGINEER, ATTITUDE DETERMINATION AND CONTROL SYSTEM (STARSHIELD) Starshield leverages SpaceX's Starlink technology and launch capability to support national security efforts. While Starlink is designed for consume

Full-time

USD 125,000.00 - 160,000.00 per year

GNC jobs in Seal Beach, CA, USA