Apex manufactures satellite buses at scale using software, vertical integration, and hardware designed for manufacturing, enabling various space missions from earth observation to communications.

Apex is at the forefront of commercial spacecraft manufacturing, specifically focusing on satellite buses that serve as platforms for various space missions. As the space industry experiences unprecedented growth due to reduced launch costs and increased demand for payload deployment, Apex's role in manufacturing these essential spacecraft components has become increasingly critical.

The Avionics Harness Design Engineer position offers an exciting opportunity to work on cutting-edge space systems. This role combines electrical engineering expertise with aerospace applications, requiring both technical proficiency and innovative problem-solving skills. You'll be responsible for designing, analyzing, and verifying electrical harnesses for spacecraft, satellites, and rovers, ensuring they meet the rigorous demands of space environments.

The position demands a strong background in avionics and electrical harness design, with particular emphasis on spaceflight standards compliance. You'll work with advanced CAD tools, collaborate across multiple engineering disciplines, and be involved in every stage from design to testing and implementation. The role offers exposure to various aspects of spacecraft development, from initial design concepts to final integration and testing.

Apex provides an attractive compensation package, including equity participation, comprehensive healthcare benefits, and various perks that create an engaging work environment. The company's location in Playa Vista offers a modern workplace setting with numerous opportunities for professional growth and social interaction. This position is perfect for someone passionate about space technology and eager to contribute to the next generation of spacecraft development.

The ideal candidate will bring not only the required technical skills but also a collaborative spirit and attention to detail. With the space industry's rapid growth and Apex's position in the market, this role offers an exceptional opportunity to make a significant impact in aerospace technology while working with cutting-edge systems and talented professionals.

Mid-level Avionics Harness Design Engineer position at Apex, focusing on spacecraft electrical systems design and integration.

Avionics Harness Design Engineer (Mid)

Apex manufactures satellite buses at scale, enabling spacecraft platforms for earth observation, communications, and more.

Apex is revolutionizing the aerospace industry by manufacturing satellite buses at scale, addressing a critical need in the space sector. As more companies launch payloads and launch costs decrease, the demand for commercial spacecraft platforms has surged. The Senior Power Electronics Engineer role offers an exciting opportunity to work on cutting-edge spacecraft technology, designing avionics, flight computers, and power systems from a clean sheet approach.

The position involves working with state-of-the-art power electronics in harsh environments, requiring expertise in DC-DC power converters and electrical power systems. You'll be part of a multidisciplinary team, driving innovation in spacecraft design while making a significant impact on the industry. The role combines technical leadership with hands-on engineering, from system architecture to production testing.

This is an ideal opportunity for an experienced spacecraft electrical engineer who wants to shape the future of space technology. You'll work in a collaborative environment in Playa Vista, enjoying excellent benefits including equity, comprehensive healthcare, and various perks. The company culture promotes work-life balance with community events and modern office amenities.

The position offers competitive compensation ($165,000-$195,000) and requires 6+ years of spacecraft electronics experience. You'll be joining a forward-thinking company that's making space more accessible while working on challenging technical problems that directly impact the future of space exploration and satellite technology.

Senior Power Electronics Engineer role at Apex, designing spacecraft power systems and avionics, requiring 6+ years of experience in space electronics.

Senior Power Electronics Engineer

Apex manufactures satellite buses at scale, enabling various space missions from earth observation to communications.

Apex is at the forefront of the aerospace industry, specializing in manufacturing satellite buses at scale to meet the growing demands of the space sector. As launch costs decrease and more companies venture into space, Apex's commercial spacecraft platforms are becoming increasingly vital for various missions, from earth observation to communications.

The role of Spacecraft RF and Telemetry Engineer (Mid) presents an exciting opportunity to join a dynamic team working on cutting-edge space technology. You'll be responsible for designing and developing RF, digital, and optical satellite communications systems, with the unique advantage of approaching this from a clean sheet design perspective. This position allows you to influence crucial architectural decisions and push the boundaries of design and performance.

The ideal candidate will bring 3-6 years of specialized experience in spacecraft RF and Telemetry communications, along with a proven track record across multiple spacecraft programs. Your responsibilities will span from system design and analysis to hardware procurement and integration, requiring both technical expertise and strong collaborative skills.

Working at Apex offers more than just technical challenges - it's an opportunity to be part of humanity's next great frontier. The company provides an exceptional benefits package, including equity participation, comprehensive healthcare coverage, and various lifestyle perks. Located in Playa Vista, you'll work in a world-class facility alongside passionate professionals who are dedicated to advancing space technology.

This role is perfect for someone who combines technical expertise with innovative thinking and wants to make a lasting impact on the aerospace industry. You'll be joining a company that not only values technical excellence but also fosters a collaborative and inclusive work environment. If you're ready to play a crucial role in developing the next generation of spacecraft technology while enjoying competitive compensation and comprehensive benefits, this position at Apex could be your next career milestone.

Mid-level Spacecraft RF and Telemetry Engineer position at Apex, focusing on satellite communications systems design and development.

Spacecraft RF and Telemetry Engineer (Mid)

Apex is revolutionizing the aerospace industry by manufacturing satellite buses at scale, addressing the growing demand for commercial spacecraft platforms. As launch costs decrease and more companies venture into space, Apex's role in providing essential spacecraft infrastructure becomes increasingly critical. The Spacecraft Quality Engineer position offers an opportunity to directly impact the future of space technology.

The role combines engineering expertise with quality assurance, focusing on maintaining the highest standards in spacecraft manufacturing. You'll be responsible for supplier management, quality control, and ensuring compliance with aerospace industry standards. This position is perfect for someone who wants to bridge technical expertise with quality management in the space sector.

Working at Apex means joining a forward-thinking team that's making space more accessible. The company offers an impressive benefits package, including equity participation, comprehensive healthcare, and a vibrant work environment in Playa Vista. You'll be part of a team that's literally building the future of space exploration and satellite technology.

The ideal candidate will bring 3+ years of relevant experience, strong technical knowledge, and a passion for quality assurance in aerospace. This role offers the unique opportunity to work with cutting-edge technology while ensuring the safety and reliability of spacecraft components. If you're excited about contributing to the next generation of space technology while working with a dynamic team in a well-resourced environment, this position at Apex could be your next career milestone.

Mid-level Spacecraft Quality Engineer role at Apex, focusing on supplier quality management and aerospace manufacturing standards in Los Angeles.

Spacecraft Quality Engineer (Mid)

Apex is revolutionizing the aerospace industry by manufacturing satellite buses at scale, addressing a critical need in the space sector. As launch costs decrease and payload companies multiply, the demand for commercial spacecraft platforms has surged dramatically. Our satellite buses support various missions from earth observation to communications, making space more accessible than ever.

As an FPGA Engineer on the flight Software team, you'll be at the forefront of designing and developing digital circuits that control our autonomous satellite buses. This role is crucial as you'll be responsible for creating mission-critical FPGA solutions that must operate reliably 24/7 in the harsh environment of space. You'll work with cutting-edge technology, implementing firmware applications that ensure our spacecraft's continuous operation in all scenarios.

The position offers an exciting opportunity to work with both internal teams and external customers, requiring a balance of technical expertise and collaborative skills. You'll be involved in the entire product lifecycle, from initial design to deployment, and will use various tools and technologies including Verilog/VHDL, embedded Linux systems, and various hardware debugging tools.

We offer competitive compensation ($185,000-$215,000) and comprehensive benefits, including equity, top-tier healthcare coverage, and various perks that make the workplace enjoyable. Join us in our mission to provide humankind access to the galaxy beyond our planet, working from our world-class office in Playa Vista, where you'll be surrounded by passionate professionals pushing the boundaries of space technology.

Senior FPGA Engineer role at Apex, developing mission-critical firmware for satellite systems with competitive compensation and comprehensive benefits.

FPGA Engineer (Senior)

Apex manufactures satellite buses at scale using a combination of software, vertical integration, and hardware designed for manufacturing. Their spacecraft enable the future of society, ranging from earth observation to communications and more.

Apex is seeking a Ground Software Engineer to join their team in Los Angeles. As a key member of the Ground Software team, you will design, develop, and own the software infrastructure that enables communication and control of on-orbit assets. You'll be responsible for building critical systems that operate reliably 24/7, ensuring users can seamlessly automate and control Apex Satellite buses.

Key responsibilities include:
- Designing, developing, and implementing ground software for satellite communication, control, and telemetry
- Supporting spacecraft commissioning during launch and early operations
- Owning ground software solutions through the full lifecycle
- Collaborating with cross-functional teams on product requirements and technical roadmaps
- Integrating third-party tools and custom software to automate satellite operations
- Monitoring and improving system scalability, redundancy, and failover strategies

Requirements:
- U.S. Person status (due to export control requirements)
- 1-3 years of ground software experience
- Bachelor's degree in CS, EE or equivalent
- Strong proficiency in Python, C++, and Rust
- Familiarity with microservices frameworks, cloud-based solutions, and Linux
- Experience with software integration, testing, and validation for real-time systems
- Knowledge of network protocols and secure communication systems

Apex offers competitive benefits including equity, comprehensive healthcare, PTO, 401(k) matching, parental leave, daily lunches, and a world-class office in Playa Vista. This is an opportunity to make a real impact in the aerospace industry while working with amazing coworkers in a dynamic environment.

Join Apex as a Ground Software Engineer in Los Angeles, designing and developing critical systems for satellite communication and control.

Ground Software Engineer (Early)

Apex develops autonomous satellite buses for space missions.

As a Flight Software Engineer at Apex, you will be a crucial member of the flight software team, responsible for designing, developing, and owning the software that drives the autonomous operation of Apex's satellite buses. Your role involves creating mission-critical systems that operate reliably 24/7, ensuring the continuous operation of Apex's spacecraft in all scenarios.

You will work closely with both internal teams and external customers, aligning your solutions with company objectives and user requirements. The ideal candidate is a motivated engineer eager to solve complex problems with a focus on practicality and scalability, thriving in a dynamic, fast-paced environment.

Key responsibilities include:
- Designing, implementing, and owning mission-critical software applications for satellite systems
- Supporting spacecraft commissioning during launch and early operations
- Owning spacecraft software solutions through the full lifecycle
- Performing various levels of testing, from unit to system-level
- Collaborating with cross-functional teams on product requirements and technical roadmaps

Requirements:
- U.S. Person status (due to export control regulations)
- 3+ years of flight software experience
- Bachelor's degree in CS, EE, or equivalent
- Strong proficiency in Python, C++, and Rust
- Experience with real-time systems on distributed hardware
- Knowledge of embedded Linux, system administration, and Yocto
- Familiarity with satellite systems, protocols (CCSDS, ECSS), and network protocols
- Experience with software integration, testing, and validation for real-time and distributed systems

This role offers an exciting opportunity to work on cutting-edge space technology and contribute to the advancement of autonomous satellite systems. Join Apex and be part of shaping the future of space exploration and satellite technology.

Design and develop autonomous software for Apex's satellite buses, ensuring reliable 24/7 operation in space.

Flight Software Engineer (Mid)

Apex is seeking a Ground Software Engineer (Mid) to join their team in Los Angeles. As a key member of the Ground Software team, you will design, develop, and own the software infrastructure that enables communication and control of on-orbit assets. You'll be responsible for building critical systems that operate reliably 24/7, ensuring users can seamlessly automate and control Apex Satellite buses. 

This role involves working closely with both internal teams and external customers, aligning solutions with company objectives and user requirements. Apex is looking for motivated engineers eager to solve complex problems with a focus on practicality and scalability, who thrive in a dynamic, fast-paced environment.

Key responsibilities include:
- Designing, developing, and implementing ground software for satellite communication, control, and telemetry
- Supporting spacecraft commissioning during launch and early operations
- Owning ground software solutions through the full lifecycle
- Collaborating with cross-functional teams on product requirements and technical roadmaps
- Integrating third-party tools and custom software to automate satellite operations
- Monitoring and improving system scalability and redundancy

Requirements include U.S. Person status, 3+ years of ground software experience, a Bachelor's degree in CS or EE, proficiency in Python, C++, and Rust, and familiarity with microservices frameworks and cloud-based solutions.

Apex offers competitive benefits including equity, comprehensive healthcare, PTO, 401(k) matching, parental leave, daily lunch, and a world-class office in Playa Vista. The salary range for this position is $150,000 - $180,000 a year.

Join Apex in their mission of providing humankind access to the galaxy beyond our planet!

Join Apex as a Ground Software Engineer (Mid) in Los Angeles, designing and developing critical systems for satellite communication and control.

Ground Software Engineer (Mid)

As a member of the flight Software team at Apex, you will design, develop, and own the software driving the autonomous operation of Apex's satellite buses. You will be responsible for developing mission critical systems that operate reliably 24/7, ensuring that Apex's spacecraft continue to operate in all scenarios. 

In this role, you will work closely with both internal teams and external customers, aligning your solutions with company objectives and user requirements. We are looking for motivated engineers who are eager to solve complex problems with a focus on practicality and scalability, and who thrive in a dynamic, fast-paced environment.

Responsibilities:
- Design, implement and own mission critical software applications for satellite systems.
- Support commissioning of spacecraft during launch and early operations and ensure software systems remain functional during critical operations.
- Own spacecraft software solutions through the full lifecycle from initial design to deployment.
- Perform unit testing, integration testing, and system-level testing of software components, identifying and resolving any defects or issues.
- Collaborate with cross-functional teams to baseline product requirements and technical roadmaps.

Requirements:
- U.S. Person status is required as this position needs to access export controlled data.
- 6+ years of total flight software experience
- Bachelor's degree in CS, EE or equivalent.
- Strong proficiency in programming languages such as Python, C++, Rust.
- Experience with real time systems running on distributed hardware.
- Knowledge of embedded Linux operating systems, system administration and creating Linux distributions (Yocto).
- Familiarity with satellite systems and protocols, such as CCSDS, and ECSS.
- Experience with software integration, testing, and validation for real-time and distributed systems.
- Familiarity with network protocols (TCP/IP, UDP), secure communication systems, Protobuf and encryption.

The salary range for this position is $185,000 - $215,000 a year. This range reflects only the targeted base salary and excludes additional benefits. Candidates with salary requirements outside of this range are still encouraged to apply.

Senior Flight Software Engineer role at Apex, developing autonomous satellite bus software for space missions.

Flight Software Engineer (Senior)

Apex is seeking a dynamic, ambitious, and self-motivated individual to join their Business Development & Sales team as a Deployed Engineer. This role involves embedding with Apex's customers to support customer integration with Apex hardware and software test equipment while deeply understanding these customers' needs. The Deployed Engineer will be the tip of the spear for Apex customer engagement, supporting customers as the first step to flying their missions in space.

Responsibilities include:
- Embedding with customers to understand their needs, requirements, and pain points
- Helping customers deploy and operate Apex's bus emulators and flat-sats
- Providing feedback on Apex's emulator products
- Aiding in designing Apex's emulator delivery and integration strategy
- Being a direct technical point of contact between customers and Apex headquarters

Requirements:
- Bachelor's degree in Business, Computer Science, Aerospace Engineering, or related field
- 2+ years of experience in customer-facing technical roles
- Ability to work independently and make good decisions
- Excellent organizational and communication skills
- Experience in the space industry
- Basic experience with C/C++ and/or Python

Apex offers competitive benefits including equity, healthcare coverage, PTO, 401(k) matching, parental leave, daily lunch, and a world-class office in Culver City. This role provides an opportunity to make a real impact in the aerospace industry.

Join Apex as a Deployed Engineer to support customer integration with spacecraft hardware and software, while deeply understanding customer needs in the aerospace industry.

Deployed Engineer

Apex is seeking talented engineers for an exciting internship opportunity in Hardware In The Loop (HITL) Engineering. The intern will contribute to developing and improving test infrastructure to verify satellite buses. The scope of work includes Flatsat open-loop testbed, spacecraft test software, hardware-in-the-loop, and plant model development. Proficiency in programming languages such as Python and C++ is required, with Matlab Simulink modeling skills being a plus.

During the internship program, you'll gain hands-on experience and professional growth opportunities. You'll be assigned a summer project to have real impact, with a dedicated mentor to guide you. You'll participate in learning sessions to elevate your knowledge of aerospace and connect with peers and industry professionals during community events.

Apex manufactures satellite buses at scale, enabling various applications from earth observation to communications. They combine software, vertical integration, and hardware designed for manufacturing to meet the increasing demand for commercial spacecraft platforms.

Requirements:
- Graduating in the Fall of 2025 or in the Spring of 2026
- BS or MS in Electrical Engineering

Apex offers a comprehensive benefits package, including equity, healthcare coverage, PTO, 401(k) with matching, parental leave, daily lunches, and a world-class office in Culver City. They are committed to creating an inclusive environment and are an Equal Opportunity Employer.

Summer internship opportunity for Hardware In The Loop Engineer at Apex, contributing to satellite bus verification and test infrastructure development.

Hardware In The Loop Engineer Internship (Summer)

Apex is at the forefront of the aerospace industry, addressing the pressing need for commercial spacecraft platforms known as satellite buses. As launch costs decrease and more companies send payloads to space, Apex's role in manufacturing these buses at scale becomes crucial. They use a combination of software, vertical integration, and hardware designed for manufacturing to create spacecraft that enable various applications from earth observation to communications.

As a Senior Spacecraft Systems Engineer at Apex, you'll be integral to defining and developing system architectures for satellite missions. You'll collaborate with cross-functional teams, perform system-level trade-off studies, and ensure the integration of various subsystems. Your responsibilities will include developing system-level documentation, overseeing testing, and managing system requirements throughout the product lifecycle.

This role requires a strong background in systems engineering, preferably in the aerospace or satellite industry. You'll need excellent analytical and problem-solving skills, as well as the ability to communicate technical concepts clearly to both technical and non-technical stakeholders. Apex offers a collaborative work environment with the opportunity to contribute to groundbreaking projects that extend humankind's access to the galaxy beyond our planet.

Apex provides a comprehensive benefits package, including equity in the company, top-tier healthcare coverage, a competitive 401(k) plan, and a supportive work environment. Join Apex in their mission to provide humankind access to the galaxy beyond our planet and be part of shaping the future of space technology.

Senior Spacecraft Systems Engineer role at Apex, developing satellite bus systems for the aerospace industry.

Apex Engineering Jobs

Apex manufactures satellite buses at scale using software, vertical integration, and hardware designed for manufacturing, enabling various space missions from earth observation to communications.