Spacecraft Design Engineer

Apex Technology Inc.Los Angeles

On-site Full-time

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ResponsibilitiesSystem Architecture & DesignDefine and refine end-to-end satellite system architectures across diverse mission profiles. Conduct system-level trade studies to optimize performance, reliability, cost, mass, and timelines. Analyze and allocate system requirements to various spacecraft subsystems. Establish and maintain system interfaces and comprehensive interface control documents (ICDs). Requirements & Technical OwnershipDefine, document, and oversee platform-level requirements during the early phases of the product lifecycle. Ensure traceability between customer demands, system requirements, and subsystem designs. Proactively identify technical risks and devise effective mitigation strategies. Execute system-level analyses (including margins, sensitivities, and FMEA) to guide design decisions.

About the job

At Apex Technology Inc., we specialize in the mass production of these satellite buses, leveraging advanced software, vertical integration, and manufacturing-optimized hardware. Our innovations are shaping the future of various sectors, including Earth observation, communications, and beyond.

Join us in our mission to provide humanity with access to the vast expanse of the universe.

About the Role

As a Spacecraft Design Engineer, you will play a crucial role in defining the future of Apex’s satellite platforms. You will be engaged in the design and development phases of the product lifecycle, crafting system architectures that achieve an optimal balance of performance, reliability, manufacturability, and cost for mass-produced satellite buses that facilitate access to Earth orbit and beyond.

In this position, you will serve as a platform-level integrator and architect, translating mission requirements into clear system specifications, interfaces, and design trade-offs that empower our downstream teams to execute their tasks with confidence.

About Apex Technology Inc.

Apex Technology Inc. is at the forefront of the aerospace sector, dedicated to innovating and producing satellite buses that empower a new generation of space exploration and utilization. Our commitment to excellence and cutting-edge technology positions us as a leader in making space accessible to all.

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Lead Spacecraft Avionics Engineer

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We are seeking a Lead Spacecraft Avionics Engineer to join our innovative team at Apex Technology Inc. This pivotal role involves leading the design, development, and integration of advanced avionics systems for spacecraft. You will collaborate with a talented group of engineers and scientists to ensure the highest standards of quality and performance in our…

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The aerospace industry faces one of its most critical challenges: the demand for innovative spacecraft solutions. With an increasing number of launch vehicles taking to the skies and decreasing costs associated with reaching orbit, new companies are continually emerging to launch payloads into space.For the first time, this surge in payload companies, coupled with reduced launch costs, has led to a substantial rise in the demand for commercial spacecraft platforms, commonly referred to as satellite buses. These buses are essential for housing our clients' payloads during launches.At Apex, we specialize in the mass production of these satellite buses, leveraging cutting-edge software, vertical integration, and manufacturing-focused hardware. Our spacecraft are pivotal in shaping the future of society, facilitating everything from earth observation to global communications.Join us in our mission to provide humanity with access to the cosmos beyond our planet.

Apr 16, 2025

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Early Career Spacecraft Avionics Engineer

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In the rapidly evolving aerospace sector, spacecraft are now at the forefront of innovation, addressing the most critical demands of the industry. With the advent of new launch vehicles and a considerable drop in orbital costs, a surge of companies is emerging, eager to send payloads into space.This unprecedented growth in payload companies, coupled with reduced launch expenses, has resulted in an overwhelming demand for commercial spacecraft platforms, commonly referred to as satellite buses. These buses are essential for carrying our customers' payloads and are deployed on various launch vehicles.At Apex, we specialize in the mass production of these satellite buses, leveraging advanced software, vertical integration, and manufacturing-optimized hardware. Our spacecraft are pivotal in shaping the future of society, facilitating everything from Earth observation to communications and beyond.We invite you to be part of our mission to extend humanity's reach beyond Earth.Role OverviewApex is on the lookout for an enthusiastic Avionics Engineer to spearhead the design and development of avionics systems and electrical components for our satellite platforms. In this position, you will work closely with multidisciplinary teams, creating electrical architectures and ensuring the flawless integration of subsystems while upholding the highest performance standards.

Oct 17, 2025

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Mid-Level Spacecraft Avionics Engineer

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Full-time|$125K/yr - $155K/yr|On-site|Los Angeles

In the rapidly evolving aerospace sector, spacecraft are emerging as a critical solution to meet the increasing demand for satellite capabilities. With the rise of affordable launch vehicles, a surge of companies is entering the market, further amplifying the need for innovative spacecraft platforms, commonly referred to as satellite buses. These platforms house our clients' payloads, enabling them to reach the stars.At Apex Technology Inc., we specialize in the mass production of these satellite buses through the strategic integration of cutting-edge software, advanced manufacturing processes, and robust hardware. Our spacecraft play a pivotal role in shaping the future of various sectors, including Earth observation and communication.Join us in our mission to expand humanity's reach into the cosmos!About the RoleWe are seeking a talented Mid-Level Avionics Engineer to design and develop state-of-the-art avionics systems and electrical components for our satellite platforms. You will work in collaboration with diverse teams, developing electrical architectures and ensuring flawless integration of subsystems while adhering to the highest performance standards.

Jun 17, 2025

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Skilled Avionics Technician for Innovative Spacecraft Development

Apex Technology Inc.

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Apex Technology Inc. designs and manufactures advanced spacecraft in Los Angeles, providing scalable satellite bus platforms for a growing commercial space sector. As more organizations launch payloads, demand for reliable, purpose-built hardware and integrated manufacturing continues to increase. Apex supports a range of missions, from Earth observation to advanced communications, by combining modern software with robust spacecraft production. Role overview The Skilled Avionics Technician will work as part of the Avionics Test team, focusing on both the assembly and testing phases for spacecraft avionics. This position involves hands-on tasks in a cleanroom setting, where translating schematics into functional, test-ready hardware is essential. Tasks include building wiring harnesses, assembling test racks, and constructing FlatSat mechanical components. What you will do Assemble wiring harnesses for avionics systems Build and set up test racks for thorough avionics testing Construct mechanical parts for FlatSat assemblies Interpret high-level schematics to produce hardware ready for testing Maintain quality standards while working in a cleanroom environment

Apr 21, 2026

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Lead Spacecraft Test Engineer

Apex Technology Inc.

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We are seeking a Lead Spacecraft Test Engineer to join our dynamic team at Apex Technology Inc. In this role, you will spearhead the testing protocols for spacecraft systems, ensuring the highest standards of quality and performance are met. You will collaborate with cross-functional teams to deliver innovative solutions and drive the success of our aerospace projects.

Mar 26, 2026

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Lead Avionics Engineer

Hermeus

Full-time|On-site|Los Angeles, CA

Role overview The Lead Avionics Engineer at Hermeus in Los Angeles, CA, plays a key role in shaping avionics systems for advanced aircraft. This position guides both the design and development process, always with a focus on meeting demanding safety and performance standards. Close collaboration with a multidisciplinary engineering team is central to the work. What you will do Direct the design and development of avionics systems for Hermeus aircraft Verify that avionics systems comply with all required safety and performance criteria Work with engineers from other specialties to integrate new technology into aircraft systems Requirements Experience leading avionics system design and development Strong understanding of safety and performance standards for aircraft systems Ability to collaborate with engineers across multiple disciplines

Apr 21, 2026

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Spacecraft Integration & Test Lead Engineer

Apex Technology Inc.

Full-time|On-site|Los Angeles

At the forefront of the aerospace industry, spacecraft are becoming a pivotal element in meeting urgent demands. With a surge in launch vehicles and a decrease in orbital costs, an increasing number of companies are emerging to deliver payloads to space.For the first time, the combination of a growing number of payload companies and lower launch costs has created an unprecedented demand for commercial spacecraft platforms, also known as satellite buses. These buses are essential for carrying our customers' payloads into orbit.Apex specializes in the large-scale manufacturing of these satellite buses by leveraging advanced software, vertical integration, and purpose-built hardware. Our spacecraft are designed to enable the future of society, contributing to various applications including Earth observation, communications, and beyond.We invite you to be part of our mission to provide humanity with access to the cosmos beyond our planet.About the RoleIn the role of Integration & Test Lead Engineer, you will be instrumental in transforming advanced satellite platform designs into flight-ready systems. You will engage in the integration, testing, and qualification phases of the product lifecycle, ensuring that the spacecraft meets system requirements and is reliable for flight.This position entails full ownership of system-level integration, verification, anomaly resolution, and flight readiness.ResponsibilitiesSystem Integration & Test OwnershipPlan, coordinate, and execute system-level integration of spacecraft subsystems.Oversee and support system-level testing, including:Functional and performance testing.Environmental testing (vibration, thermal-vacuum).Develop, review, and approve system-level test procedures.Analyze test data and lead anomaly investigations and resolutions.Verification, Validation & Flight ReadinessOwn verification and validation of platform-level system requirements.Maintain system-level verification artifacts, test reports, and compliance documentation.Support qualification, acceptance, and flight readiness reviews.Assist with launch site activities and on-orbit commissioning as necessary.Execution & Risk ManagementImplement risk management strategies and ensure project timelines are met.

Jan 27, 2026

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Full-time|On-site|Los Angeles

Join Apex Technology Inc. as a Spacecraft Build Engineer, where you will play a critical role in the design, assembly, and testing of advanced spacecraft systems. This position offers the unique opportunity to work at the forefront of aerospace innovation, collaborating with top engineers and scientists to shape the future of space exploration.

Mar 26, 2026

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Avionics Test Engineer at Apex Technology Inc. | Los Angeles

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The aerospace industry faces significant challenges, particularly in spacecraft development. With an increasing number of launch vehicles becoming operational and decreasing costs to access orbit, numerous companies are emerging to launch payloads into space.This unprecedented surge in payload companies, combined with lower launch costs, has sparked a tremendous demand for commercial spacecraft platforms known as satellite buses. These innovative buses accommodate customer payloads and are launched into orbit aboard various launch vehicles.At Apex Technology Inc., we specialize in manufacturing these satellite buses at scale, leveraging a unique blend of software, vertical integration, and manufacturing-ready hardware. Our spacecraft are pivotal in advancing society’s future, facilitating everything from Earth observation to communications and beyond.We invite you to be part of our mission to provide humanity with access to the cosmos beyond our planet.

Jul 10, 2025

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Spacecraft Design Engineer

Apex Technology Inc.

Full-time|On-site|Los Angeles

The aerospace industry is witnessing an unprecedented surge in demand for spacecraft, driven by a growing number of companies entering the market alongside decreasing launch costs. This unique convergence presents a significant opportunity to develop commercial spacecraft platforms, commonly referred to as satellite buses, which are essential for carrying payloads into space.At Apex Technology Inc., we specialize in the mass production of these satellite buses, leveraging advanced software, vertical integration, and manufacturing-optimized hardware. Our innovations are shaping the future of various sectors, including Earth observation, communications, and beyond.Join us in our mission to provide humanity with access to the vast expanse of the universe.About the RoleAs a Spacecraft Design Engineer, you will play a crucial role in defining the future of Apex’s satellite platforms. You will be engaged in the design and development phases of the product lifecycle, crafting system architectures that achieve an optimal balance of performance, reliability, manufacturability, and cost for mass-produced satellite buses that facilitate access to Earth orbit and beyond.In this position, you will serve as a platform-level integrator and architect, translating mission requirements into clear system specifications, interfaces, and design trade-offs that empower our downstream teams to execute their tasks with confidence.

Jan 27, 2026

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Join our innovative team at Apex Technology Inc. as a Spacecraft Dynamics Engineer! In this role, you will be at the forefront of developing cutting-edge spacecraft dynamics solutions, contributing to exciting projects that push the boundaries of aerospace technology. Collaborate with a team of experts, utilize state-of-the-art tools, and apply your engineering skills to solve complex challenges. We seek passionate individuals eager to make a significant impact in the aerospace industry.

Mar 26, 2026

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Spacecraft Structures Test Engineer

Apex Technology Inc.

Full-time|On-site|Los Angeles

Join Apex Technology Inc. as a Spacecraft Structures Test Engineer, where you will play a pivotal role in ensuring the integrity and performance of spacecraft structures. You will be responsible for conducting comprehensive tests, analyzing data, and collaborating with multidisciplinary teams to enhance spacecraft design and functionality. This position offers a unique opportunity to contribute to cutting-edge aerospace projects in a dynamic and innovative environment.

Mar 26, 2026

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Spacecraft Integration Engineer

Apex Technology Inc.

Full-time|On-site|Los Angeles

Join Apex Technology Inc. as a Spacecraft Integration Engineer and play a vital role in the integration of advanced spacecraft systems. You will collaborate with cross-functional teams to ensure optimal performance and reliability of spacecraft components. This position is ideal for individuals passionate about aerospace engineering and looking to contribute to cutting-edge space exploration projects.

Apr 10, 2026

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Junior Spacecraft GNC Engineer

Apex Technology Inc.

Full-time|On-site|Los Angeles

At Apex Technology Inc., we are at the forefront of transforming the aerospace industry. The demand for spacecraft is soaring as launch vehicles become more accessible and affordable, leading to a remarkable growth in companies aiming to send payloads into space.This unprecedented influx of payload providers, combined with reduced launch costs, has created a significant need for innovative commercial spacecraft platforms, commonly referred to as satellite buses. These buses accommodate our clients' payloads and are deployed via launch vehicles.Apex excels in manufacturing these satellite buses at scale by integrating advanced software, vertical integration techniques, and hardware specifically designed for efficient production. Our spacecraft pave the way for a brighter future, encompassing applications from earth observation to communication and beyond.We invite you to be part of our mission to unlock humanity's access to the cosmos.

Jan 5, 2026

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Spacecraft Hardware-in-the-Loop Engineer

Apex Technology Inc.

Full-time|On-site|Los Angeles

At Apex Technology Inc., we are shaping the future of aerospace with our innovative spacecraft solutions. As the demand for satellite buses surges due to the increasing number of payload companies and decreasing launch costs, we are at the forefront of this exciting evolution.Our satellite buses are meticulously engineered to support various payloads, enabling advancements in areas such as Earth observation and communication. We pride ourselves on our ability to manufacture these platforms at scale, leveraging advanced software, vertical integration, and purpose-built hardware.Join our mission to provide humanity with unprecedented access to the cosmos, and be part of a team that is dedicated to innovation and excellence in aerospace technology.Role OverviewAs a Hardware-in-the-Loop (HITL) Engineer, you will spearhead the development and execution of rigorous testing strategies aimed at validating the performance, functionality, and reliability of our satellite systems. You will collaborate with a diverse team of engineers and technicians to craft realistic test environments utilizing state-of-the-art simulation and emulation tools. Your precision and analytical skills will be vital in ensuring the successful deployment of our satellite systems.

Dec 11, 2025

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Apex Technology Inc.

Full-time|On-site|Los Angeles

Join Apex Technology Inc. as a Spacecraft Quality Engineer, where you will play a pivotal role in ensuring the highest quality standards for our innovative spacecraft systems. This is an exciting opportunity to contribute to cutting-edge aerospace technology and work alongside a team of experienced professionals dedicated to excellence. You will be responsible for developing and implementing quality assurance processes, conducting inspections, and collaborating with engineering teams to identify and resolve issues.

Mar 3, 2026

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Junior Spacecraft Mechanical Engineer

Apex Technology Inc.

Full-time|On-site|Los Angeles

Join Apex Technology Inc. as a Junior Spacecraft Mechanical Engineer, where you will be part of our innovative team dedicated to advancing space exploration technologies. In this exciting entry-level position, you will work on designing and testing mechanical systems for spacecraft, ensuring that our projects meet the highest standards of quality and performance.

Mar 9, 2026

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Lead Principal Avionics Systems Engineer

K2 Space Corporation

Full-time|$180K/yr - $240K/yr|On-site|Los Angeles, CA

K2 Space Corporation is at the forefront of aerospace innovation, creating the largest and most powerful satellites ever launched. Our cutting-edge designs are set to revolutionize satellite performance across all orbits. Supported by $450 million from prominent investors such as Altimeter Capital, Redpoint Ventures, T. Rowe Price, Lightspeed Venture Partners, and Alpine Space Ventures, along with an additional $500 million in contracts from commercial and U.S. government clients, we are committed to mass-producing unprecedented satellite platforms for missions ranging from Low Earth Orbit (LEO) to deep space exploration.The advent of heavy-lift launch vehicles is ushering in a new era of mass abundance in satellite deployment. At K2, we believe this transformation requires a new generation of spacecraft designed to withstand extreme radiation environments while maximizing the capabilities of today’s and tomorrow’s powerful rockets. Our satellites are engineered to deliver exceptional performance at constellation scale across diverse orbital paths.With multiple launches scheduled for 2026 and 2027, we are on a mission to expand the solar system and evolve into a Kardashev Type II civilization. If you are a driven professional who excels in dynamic environments and are passionate about contributing to the success of an innovative Series C space startup, we invite you to apply.

Feb 4, 2026

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Senior Mechanical Engineer for Spacecraft Development

Apex Technology Inc.

Full-time|$165K/yr - $195K/yr|On-site|Los Angeles

In the evolving aerospace sector, spacecraft are at the forefront of innovation, addressing significant unmet demands. With an increase in launch vehicles and a decrease in orbital costs, numerous companies are entering the space payload market.This unprecedented surge in payload providers, coupled with lower launch expenses, has created an extraordinary demand for commercial spacecraft platforms, specifically satellite buses. These structures are essential for housing customer payloads, which are then transported by launch vehicles.At Apex, we manufacture these satellite buses on a grand scale, utilizing a sophisticated blend of software, vertical integration, and purpose-built hardware. Our spacecraft are pivotal in shaping the future of society through applications such as earth observation and communications.We invite you to be a part of our mission to expand humanity's reach into the cosmos.Role OverviewApex is on the lookout for a talented Senior Mechanical Design Engineer to enhance our satellite engineering division. In this pivotal role, you will develop mechanical designs and models for satellite structures, subsystems, and components. You'll be tasked with conducting structural analyses to guarantee performance and reliability while optimizing designs for weight, material selection, and manufacturability.

May 14, 2025

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