GNC Engineer - Top Secret Clearance

SpaceXHawthorne, CA

On-site Full-time $120K/yr - $170K/yr

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Experience Level

Experience

Qualifications

BASIC QUALIFICATIONS:Bachelor's degree in engineering or physicsMinimum of 1 year of professional experience in modeling and simulationProficient in software development using C++ or PythonPREFERRED SKILLS AND EXPERIENCE:Possession of an active Top Secret, Top Secret SCI, or DOE Level Q clearanceProven ability to write scalable software collaboratively within a teamStrong foundation in modern software design and development practices

About the job

GUIDANCE, NAVIGATION, AND CONTROL ENGINEER - TOP SECRET CLEARANCE

As a GNC mission design engineer, you will take a pivotal role in designing and implementing sophisticated physics-based simulation software that models complex interactions involving various space vehicles, ground systems, and environmental factors. You will create Concept of Operations (CONOPS) and drive program-level requirements for large-scale multi-vehicle missions. This high-impact position requires collaboration across engineering teams, demanding exceptional ownership of critical design decisions and trade-offs. We seek passionate engineers who thrive on solving intricate challenges in a dynamic environment and are dedicated to pushing the boundaries of the aerospace industry.

About SpaceX

SpaceX is revolutionizing space technology with the ultimate goal of enabling human life on Mars. Founded on the belief that humanity's exploration of the stars is a future worth pursuing, we are at the forefront of innovation, developing the capabilities that will make interplanetary travel possible.

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Site Reliability Engineer with Top Secret Clearance

Space Exploration Technologies Corp.

Full-time|$125K/yr - $175K/yr|On-site|Hawthorne, CA

At SpaceX, we believe that a future where humanity explores the cosmos is far more exhilarating than one where we remain earthbound. We are dedicated to the development of technologies that will enable human life on Mars and beyond.Site Reliability Engineer - Top Secret ClearanceAs a Site Reliability Engineer, you will be instrumental in designing, developin…

Mar 7, 2026

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Software Engineer, HITL - Top Secret Clearance

SpaceX

Full-time|$120K/yr - $170K/yr|On-site|Hawthorne, CA

At SpaceX, we envision a future where humanity is exploring the cosmos, and we are dedicated to making that vision a reality. Our mission is to develop groundbreaking technologies that will enable human life on Mars and beyond.SOFTWARE ENGINEER, HITL - TOP SECRET CLEARANCE REQUIREDJoin our Special Programs team as a Software Engineer, where you will play a pivotal role in designing, developing, and testing a comprehensive in-house solution for analysis, simulation, and software prototyping that supports all SpaceX flight systems. You will take full ownership of innovative features within a scalable, high-performance application that is crucial for controlling and testing flight systems. This is a high-impact position where you will collaborate across various engineering teams to create a robust system that accelerates the development and validation of cutting-edge software and hardware.Aerospace experience is not a prerequisite for success in this role; we seek intelligent and driven software engineers who thrive on tackling intricate challenges, excel in dynamic environments, and are committed to software best practices. Our software is vital for our future missions, and we are continually presented with exciting challenges that demand innovative and state-of-the-art solutions.

Feb 6, 2026

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IT Systems Engineer - Top Secret Clearance

SpaceX

Full-time|$120K/yr - $160K/yr|On-site|Hawthorne, CA

At SpaceX, we envision a future where humanity extends its reach beyond Earth to explore the cosmos. Our mission is to develop groundbreaking technologies that will enable human life on Mars and beyond.IT SYSTEMS ENGINEER - TOP SECRET CLEARANCESpaceX is seeking a highly skilled Systems Engineer with extensive expertise in Microsoft technologies, coupled with a strong background in networking and Linux systems. As a vital member of our Information Technology team, you will be responsible for supporting SpaceX personnel and systems in a dynamic and challenging environment. The ideal candidate will be proactive, adaptable, and driven to innovate in their role.

Feb 6, 2026

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GNC Engineer - Top Secret Clearance

SpaceX

Full-time|$120K/yr - $170K/yr|On-site|Hawthorne, CA

At SpaceX, we are driven by a singular vision: to foster a future where humanity explores the stars. We are relentlessly working towards this goal by developing cutting-edge technologies that will ultimately enable human life on Mars.GUIDANCE, NAVIGATION, AND CONTROL ENGINEER - TOP SECRET CLEARANCEAs a GNC mission design engineer, you will take a pivotal role in designing and implementing sophisticated physics-based simulation software that models complex interactions involving various space vehicles, ground systems, and environmental factors. You will create Concept of Operations (CONOPS) and drive program-level requirements for large-scale multi-vehicle missions. This high-impact position requires collaboration across engineering teams, demanding exceptional ownership of critical design decisions and trade-offs. We seek passionate engineers who thrive on solving intricate challenges in a dynamic environment and are dedicated to pushing the boundaries of the aerospace industry.

Feb 6, 2026

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Security Software Engineer - Top Secret Clearance

SpaceX

Full-time|$130K/yr - $175K/yr|On-site|Hawthorne, CA

At SpaceX, we are driven by the vision of a future where humanity explores the cosmos. We are tirelessly developing cutting-edge technologies to make interplanetary life a reality, with our sights set on colonizing Mars.Security Software Engineer - Top Secret ClearanceAs a vital member of our Special Programs team, your role as a Security Software Engineer will encompass the entire software development lifecycle for both application and hardware systems, particularly within U.S. Government and ITAR-controlled environments. Your expertise in cybersecurity principles and familiarity with ITAR regulations will enable you to securely manage sensitive technical data and payloads. The ideal candidate will possess a holistic view of projects, prioritize effectively, and navigate various levels of abstraction with ease. We seek individuals proficient in one or more of the following areas:Application securityApplied cryptographyNetwork securityOperating system securitySecure/authenticated bootIncident response and threat detectionVulnerability researchSuccess in this role requires flexibility, clear communication, and the ability to foster productive working relationships across engineering teams. If you are passionate about building high-quality products, enjoy intellectual challenges in outsmarting adversaries, and aspire to make a significant impact on a cosmic scale, you will thrive in our environment.

Feb 6, 2026

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IT Windows Systems Engineer with Top Secret Clearance

SpaceX

Full-time|On-site|Hawthorne, CA

Join SpaceX as an IT Windows Systems Engineer, where you'll play a crucial role in supporting and maintaining our IT infrastructure. This position requires a Top Secret Clearance and involves working with cutting-edge technologies to ensure our systems run smoothly and efficiently. You'll collaborate with a talented team of IT professionals dedicated to innovation and excellence in aerospace engineering.

Apr 8, 2026

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Software Engineer (Starshield) - Top Secret Clearance

SpaceX

Full-time|$120K/yr - $170K/yr|On-site|Hawthorne, CA

Founded on the vision of a future where humanity explores the cosmos, SpaceX is at the forefront of developing transformative technologies aimed at enabling human life on Mars. Join us in our mission to push the boundaries of space exploration.SOFTWARE ENGINEER (STARSHIELD) - TOP SECRET CLEARANCE REQUIREDThe Starshield project harnesses SpaceX’s groundbreaking Starlink technology and launch capabilities to bolster national security initiatives. While Starlink serves consumer and commercial markets, Starshield focuses on government applications, emphasizing earth observation, secure communications, and hosted payloads.As part of the Starshield software development team, you will play a key role in creating robust in-space mesh networks and designing secure systems that ensure reliable access to space. We are looking for innovative engineers who are passionate about problem-solving and eager to contribute to an inspiring mission. Diverse backgrounds are welcome, as we value fresh perspectives in our approach.Our team supports the design of vehicle systems throughout all development stages. We develop tools that enhance our efficiency and enable the creation of secure, reliable, and autonomous software systems. Software engineers are responsible for the complete lifecycle of their projects, including development, testing, and operational support.

Feb 6, 2026

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Sr. Software Engineer, HITL - Top Secret Clearance

SpaceX

Full-time|$160K/yr - $220K/yr|On-site|Hawthorne, CA

At SpaceX, we believe in a future where humanity explores the stars, and we are dedicated to making that vision a reality. Our mission is to develop innovative technologies that support human life on Mars.Senior Software Engineer - HITL (Top Secret Clearance)In this pivotal role within our Special Programs division, you will spearhead the design, development, and testing of a proprietary solution for analysis, simulation, and prototyping of software that underpins all SpaceX flight systems. You will take complete ownership of new features in a robust, high-performance application utilized for controlling and testing these systems. This position is crucial to our mission, as you will collaborate with various engineering teams to create a high-reliability system that propels the advancement of groundbreaking software and hardware solutions.Your background in aerospace is not a prerequisite; we seek intelligent, driven software engineers eager to tackle complex challenges, thrive in fast-paced environments, and uphold software best practices. Our software is vital for future mission successes, presenting an abundance of intriguing challenges that demand innovative, state-of-the-art solutions.

Feb 6, 2026

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Software Engineer (Special Projects) - Top Secret Clearance

SpaceX

Full-time|On-site|Hawthorne, CA

Join SpaceX as a Software Engineer on the Special Projects team within the Falcon and Dragon Engineering organization. In this role, you will design and implement software and firmware for cutting-edge avionics systems that are pivotal in enabling human exploration beyond Earth. Your contributions will directly influence our capacity to launch missions safely, reliably, and frequently. We value diverse perspectives and encourage innovative problem-solving from engineers across all disciplines. As part of a collaborative team, you will engage in every phase of software development, from concept through testing and operational support, making a tangible impact on an inspiring mission to colonize Mars.

Feb 6, 2026

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IT Network Engineer with Top Secret Clearance

Space Exploration Technologies Corp.

Full-time|$130K/yr - $160K/yr|On-site|Hawthorne, CA

SpaceX was founded on the belief that a future where humanity explores the cosmos is fundamentally more exciting than one where we remain confined to Earth. Today, SpaceX is at the forefront of developing groundbreaking technologies aimed at making this vision a reality, with the ultimate goal of enabling human life on Mars.Position: IT Network Engineer – Top Secret ClearanceAs an IT Network Engineer at SpaceX, you will play a pivotal role in the design, deployment, and management of classified IT networks that support critical national security missions. You will lead network design efforts, continuously proposing and implementing improvements to enhance capabilities and accommodate additional users. Your responsibilities will also include monitoring and enhancing network security, optimizing performance, and ensuring reliability across deployments.

Mar 13, 2026

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Software Engineer, Data - Top Secret Clearance

SpaceX

Full-time|$120K/yr - $170K/yr|On-site|Hawthorne, CA

At SpaceX, we believe in a future where humanity explores the stars, and we are dedicated to making this vision a reality. Our mission encompasses the development of groundbreaking technologies to enable human life on Mars.SOFTWARE ENGINEER - DATA (TOP SECRET CLEARANCE)As a Software Engineer in our Special Programs team, you will play a pivotal role in designing, developing, and testing an in-house solution that supports analysis, simulation, and prototyping of software across all SpaceX flight systems. You will take full ownership of new features within a scalable, high-performance web application that is crucial for controlling and testing flight systems. This is a high-impact position where collaboration with various engineering groups is essential to create a high-assurance system that accelerates the development and demonstration of state-of-the-art software and hardware.Aerospace experience is not a prerequisite for success; we seek intelligent, driven software engineers who relish tackling complex challenges and thrive in dynamic environments while adhering to software best practices. Our software is vital for future mission success, and we face numerous intriguing challenges that demand innovative, cutting-edge solutions.

Feb 6, 2026

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Software Engineer, Data - Top Secret Clearance (Starlink)

Space Exploration Technologies Corp.

Full-time|$120K/yr - $170K/yr|On-site|Hawthorne, CA

SpaceX is driven by the vision of enabling humanity to explore the stars, and we are at the forefront of developing the technologies that will make this vision a reality, with the ultimate ambition of establishing human life on Mars.SOFTWARE ENGINEER, DATA - TOP SECRET CLEARANCE (STARLINK)At SpaceX, we harness our expertise in rocket and spacecraft engineering to deploy Starlink, the most advanced broadband internet system in the world. With the largest satellite constellation globally, Starlink delivers fast and reliable internet to over 9 million users. Our team designs, builds, tests, and operates every component of the system – from thousands of satellites to consumer receivers that allow users to connect within minutes, along with the software that integrates it all. We are just beginning to realize Starlink’s potential to impact communities and businesses around the world, and we are seeking the best engineers to help us maximize this utility.As a software engineer on the Starlink program, you will tackle complex challenges that enhance our ability to fully utilize our deployed hardware. Our mission is to provide customers with the ultimate satellite internet experience, delivering affordable, life-changing broadband access to underserved communities.We do not require aerospace experience for this role; instead, we seek intelligent, motivated, and collaborative software engineers who thrive on problem-solving and wish to contribute to a truly inspiring mission. You will take ownership of challenging issues, collaborating with a passionate team of engineers to design and implement solutions that drive SpaceX towards its goals with agility. The success of SpaceX missions hinges on the software developed by you and your team.

Mar 4, 2026

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Mission Integration Engineer - C3 (Top Secret Clearance)

SpaceX

Full-time|On-site|Hawthorne, CA

As a Mission Integration Engineer at SpaceX, you will play a critical role in the integration of innovative systems that support our mission objectives. This position requires a top-secret clearance, reflecting the sensitive nature of the projects you will undertake. You will collaborate with cross-functional teams to ensure seamless mission execution, leveraging your technical expertise to develop and refine integration processes.

Mar 23, 2026

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Full Stack Software Engineer - Top Secret Clearance

SpaceX

Full-time|$120K/yr - $170K/yr|On-site|Hawthorne, CA

Join SpaceX as a Full Stack Software Engineer, where you'll design, develop, and test innovative software solutions crucial for analysis, simulation, and prototyping in support of all SpaceX flight systems. You will take full ownership of new features within a scalable, high-performance web application, while also contributing to the foundational simulation and emulation infrastructure. Collaborate with cross-functional engineering teams to develop a high-throughput distributed system that showcases cutting-edge software and hardware solutions. This role demands problem-solving skills, a love for tackling complex challenges, and a commitment to best software practices.

Feb 6, 2026

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Sr. Software Engineer (Special Projects) - Top Secret Clearance

SpaceX

Full-time|$160K/yr - $220K/yr|On-site|Hawthorne, CA

At SpaceX, we envision a future where humanity explores the cosmos, and we are dedicated to making that vision a reality. Our innovative technologies are pivotal in enabling human life on Mars and beyond.SENIOR SOFTWARE ENGINEER - SPECIAL PROJECTS (TOP SECRET CLEARANCE)Join our dynamic Special Projects team within the Falcon and Dragon Engineering division. As a Senior Software Engineer, you will play a crucial role in designing and developing cutting-edge software and firmware for next-generation avionics systems. Your expertise will ensure that our systems perform reliably and safely, directly influencing our mission's success.Aerospace experience is not a prerequisite; we value diverse perspectives and encourage engineers from all backgrounds who are passionate about problem-solving and making a significant impact. As our team grows, we seek versatile, motivated, and collaborative engineers who are eager to contribute throughout all development phases. You will oversee the entire software life cycle, encompassing development, testing, and operational support.

Feb 6, 2026

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Software Engineer for Telemetry with Top Secret Clearance - Starlink

Space Exploration Technologies Corp.

Full-time|$120K/yr - $175K/yr|On-site|Hawthorne, CA

At SpaceX, we believe that a future where humanity explores the cosmos is far more thrilling than one where we remain Earth-bound. Our mission is to develop cutting-edge technologies that enable human life on Mars and beyond.SOFTWARE ENGINEER, TELEMETRY - TOP SECRET CLEARANCE (STARLINK)Join us at SpaceX as we harness our expertise in aerospace to revolutionize broadband internet through Starlink. As the largest satellite constellation in the world, Starlink delivers fast and reliable internet service to over 9 million customers globally. Our team is responsible for designing, building, testing, and operating the entire system - from thousands of satellites to consumer receivers and the software that connects them. We are just beginning to explore Starlink’s vast potential, and we need the finest engineers to help us enhance its impact on communities and enterprises worldwide.In this role, you will tackle complex challenges aimed at optimizing our existing hardware. Our aspiration is to provide unmatched satellite internet experiences, particularly to underserved areas that require affordable, transformative broadband access.Your aerospace experience is not a prerequisite; we seek intelligent, driven, and collaborative software engineers who are passionate about problem-solving and eager to contribute to a mission that inspires. You will take ownership of intricate problems while collaborating with a team of dedicated engineers to create solutions that propel SpaceX toward its objectives at an accelerated pace. The success of SpaceX missions hinges on the software solutions that you and your team develop.

May 1, 2026

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Software Engineer, C++ - Top Secret Clearance

SpaceX

Full-time|$120K/yr - $170K/yr|On-site|Hawthorne, CA

Join SpaceX as a Software Engineer in Special Programs, where you will spearhead the design, development, and testing of our in-house solutions for analysis, simulation, and prototyping of software that supports all SpaceX flight systems. In this pivotal role, you will take full ownership of new features within a high-performance application that controls and tests flight systems. Your contributions will be critical in building a high-assurance system that accelerates the evolution and demonstration of groundbreaking software and hardware technologies. We seek smart, motivated software engineers who embrace complex challenges and thrive in dynamic environments, all while adhering to software best practices. Your work will directly impact future mission successes, ensuring that we continue to push the boundaries of innovation in aerospace.

Feb 6, 2026

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Lead Software Engineer, Flight Systems - Top Secret Clearance

Space Exploration Technologies Corp.

Full-time|On-site|Hawthorne, CA

As a Lead Software Engineer for Flight Systems at SpaceX, you will play a pivotal role in our mission to revolutionize space technology. Your expertise will drive the development of complex software systems that are critical for our flight operations.

Mar 24, 2026

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Senior Site Reliability Engineer with Top Secret Clearance - Starlink

Space Exploration Technologies Corp.

Full-time|$160K/yr - $220K/yr|On-site|Hawthorne, CA

At Space Exploration Technologies Corp. (SpaceX), we believe that a future where humanity explores the stars is far more thrilling than one in which we remain Earth-bound. Our mission is to develop cutting-edge technologies that will enable human life on Mars.SENIOR SITE RELIABILITY ENGINEER - TOP SECRET CLEARANCE (STARLINK)Join us at SpaceX as we leverage our expertise in aerospace technology to deploy Starlink, the world’s most advanced broadband internet system. As the largest satellite constellation globally, Starlink provides fast, reliable internet to over 9 million users worldwide. We design, build, test, and operate all components of the system, including thousands of satellites, consumer receivers that connect within minutes, and the software that integrates everything seamlessly. We are just beginning to explore Starlink’s vast potential and are seeking the best engineers to enhance its utility for communities and businesses globally.As a Senior Site Reliability Engineer in the Starlink program, you will tackle challenges to optimize our deployed hardware. Our objective is to deliver the best satellite internet experience possible, making affordable and transformative broadband access available to underserved communities.No prior aerospace experience is necessary; we seek intelligent, driven, and collaborative site reliability engineers who thrive on problem-solving and wish to contribute to a genuinely inspiring mission. You will take ownership of significant challenges, collaborating with a dedicated team of engineers to design and implement solutions that propel SpaceX towards its goals. The success of our missions relies on the software produced by you and your team.

Mar 4, 2026

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Lead Full Stack Software Engineer with Top Secret Clearance

Space Exploration Technologies Corp.

Full-time|On-site|Hawthorne, CA

Join Space Exploration Technologies Corp. as a Lead Full Stack Software Engineer, where you will play a crucial role in our mission to revolutionize space travel. You will be responsible for designing, developing, and enhancing cutting-edge software systems that support our ambitious projects.

Mar 24, 2026

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GNC Engineer - Top Secret Clearance

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