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 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)

Apex manufactures satellite buses at scale using a combination of software, vertical integration, and hardware designed for manufacturing.

Apex is seeking a Flight Software Engineer to join their team in designing, developing, and owning the software driving the autonomous operation of Apex's satellite buses. The role involves creating mission-critical systems that operate reliably 24/7, ensuring spacecraft continue to operate in all scenarios. You'll work closely with internal teams and external customers, aligning solutions with company objectives and user requirements. Apex manufactures satellite buses at scale, enabling various applications from earth observation to communications. The ideal candidate should be motivated, eager to solve complex problems with a focus on practicality and scalability, and thrive 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 and resolving issues
- Collaborating with cross-functional teams on product requirements and technical roadmaps

Requirements:
- U.S. Person status (due to export control data access)
- 1-3 years of flight software experience
- Bachelor's degree in CS, EE, or equivalent
- Strong proficiency in Python, C++, Rust
- Experience with real-time systems on distributed hardware
- Knowledge of embedded Linux, system administration, and creating Linux distributions
- Familiarity with satellite systems, protocols, and software integration for real-time systems

Apex offers competitive compensation and benefits, including equity, healthcare coverage, PTO, 401(k) matching, parental leave, daily lunches, and a world-class office in Playa Vista. Join Apex in their mission to provide humankind access to the galaxy beyond our planet!

Apex is hiring a Flight Software Engineer to design and develop mission-critical software for satellite systems, offering competitive salary and benefits.

Flight Software Engineer (Early)

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.

Senior Spacecraft Systems Engineer

Apex is seeking a highly skilled and motivated Mission Operations Engineer to join their team. The ideal candidate will be responsible for the operation and management of spacecraft, ensuring the success of various space missions. This role requires a deep understanding of spacecraft systems, mission planning, and real-time problem-solving abilities.

Key responsibilities include:
1. Developing and executing detailed mission plans for small spacecraft operations
2. Coordinating with cross-functional teams to meet mission objectives
3. Monitoring spacecraft during mission operations and responding to anomalies in real-time
4. Operating and controlling spacecraft from mission control centers
5. Conducting pre-launch tests, simulations, and rehearsals
6. Analyzing telemetry data to monitor spacecraft health and performance
7. Identifying and troubleshooting spacecraft anomalies and system failures
8. Implementing corrective actions and developing contingency plans
9. Analyzing mission data and generating comprehensive reports
10. Proposing and implementing process improvements

The ideal candidate should have a Bachelor's degree in Aerospace Engineering, Electrical Engineering, Computer Science, or a related field (Master's preferred), with a minimum of 2 years of experience in spacecraft operations or related fields. Proficiency in programming languages such as Python and C/C++, experience with software development tools, and knowledge of satellite operations software are required.

Apex offers an attractive benefits package, including equity, comprehensive healthcare, PTO, 401(k) matching, parental leave, and a world-class office in Culver City. Join Apex in their mission to provide humankind access to the galaxy beyond our planet!

Join Apex as a Mission Operations Engineer to plan and execute spacecraft missions, analyze data, and ensure mission success.

Mission Operations Engineer

Apex is revolutionizing the aerospace industry by manufacturing satellite buses at scale. As the cost to orbit decreases and more companies launch payloads to space, there's an unprecedented demand for commercial spacecraft platforms. Apex is at the forefront of this revolution, enabling various missions from earth observation to communications.

As a Senior Spacecraft GNC Engineer at Apex, you'll play a crucial role in designing and implementing guidance, navigation, and control systems for these cutting-edge satellite buses. You'll work on a clean sheet design, pushing the limits of performance while making a significant impact on the industry. This position offers a unique opportunity to shape the future of space technology.

Your responsibilities will span the entire GNC system lifecycle, from algorithm development and hardware selection to software implementation and system testing. You'll collaborate closely with cross-functional teams, applying your expertise in spacecraft dynamics, control theory, and programming to solve complex challenges.

The ideal candidate brings a strong background in aerospace or electrical engineering, with extensive experience in GNC systems for satellites. You should be proficient in programming languages like C++, MATLAB, and Python, and familiar with industry-standard simulation tools. Your analytical skills, attention to detail, and ability to work both independently and as part of a team will be crucial for success in this role.

Apex offers a competitive benefits package, including equity in the company, top-tier health insurance, and a 401(k) plan. You'll work in a state-of-the-art office in Culver City, surrounded by talented colleagues and enjoying perks like daily lunches and regular social events.

Join Apex in their mission to provide humankind with access to the galaxy beyond our planet. If you're passionate about space technology and ready to make your mark on the aerospace industry, this is your chance to be at the forefront of innovation.

Senior Spacecraft GNC Engineer at Apex: Design and implement cutting-edge guidance, navigation, and control systems for revolutionary satellite buses.

Apex Engineering Jobs

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