Jobs at Apex
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Early Power Electronics Engineer
NewPosted 5 days ago
Early Power Electronics Engineer
- Design, analysis, and testing of of spacecraft power systems, including power generation, energy storage, distribution, and DC-DC conversion for harsh environments
- Work on electrical power system and sub-system level design trades and develop requirements.
In office • Los Angeles
$88k – $121kOther Engineering
Spacecraft Design Engineer
NewPosted 6 days ago
Spacecraft Design Engineer
- Define and evolve end-to-end satellite system architectures across multiple mission profiles
- Perform system-level trade studies to optimize performance, reliability, cost, mass, and schedule
In office • Los Angeles
$165k – $200kEngineering
Senior Embedded Software Engineer
NewPosted 3 days ago
Senior Embedded Software Engineer
- Develop the low level software that configures and drives the processor peripherals and communication interfaces on our avionics.
- Write and debug the device drivers for the sensors, actuators, and components across the bus.
In office • Los Angeles
$185k – $250kEngineering
Embedded Software Engineer
NewPosted 4 days ago
Embedded Software Engineer
- Develop the low level software that configures and drives the processor peripherals and communication interfaces on our avionics.
- Write and debug the device drivers for the sensors, actuators, and components across the bus.
In office • Los Angeles
$130k – $185kOther
Technical Project Manager
NewPosted 4 days ago
Technical Project Manager
- Serve as the central point of coordination across Cyber, Product, and Engineering, helping define what each function owns and ensuring the three teams remain aligned
- Own end-to-end delivery across C2 program workflows, coordinating complex, multi-team deployments and rollouts
In office • Los Angeles
$170k – $190kOther Engineering
Avionics Test Engineer
NewPosted 6 days ago
Avionics Test Engineer
- Own the design, build, integration, and maintenance of bus-level and component-level avionics test racks, including harness design, rack component selection, circuit design, and test infrastructure.
- Develop and maintain FlatSats and avionics testbeds, including electrical interfaces, emulators, EGSE, harnessing, and supporting infrastructure.
In office • Los Angeles
$110k – $165kOther Engineering
Cybersecurity Lead
NewPosted 6 days ago
Cybersecurity Lead
- Team Leadership and Development: Manage a team of SOC analyst(s) & engineer(s), including hiring, training, performance evaluations, and professional development to build a high-performing security operations unit.
- Incident Detection and Response: Oversee monitoring of security events using SIEM tools and oth...
In office • Los Angeles
$160k – $200kOther Engineering
Cybersecurity Lead (TS/SCI)
NewPosted 6 days ago
Cybersecurity Lead (TS/SCI)
- Team Leadership and Development: Manage a team of SOC analyst(s) & engineer(s), including hiring, training, performance evaluations, and professional development to build a high-performing security operations unit.
- Incident Detection and Response: Oversee monitoring of security events using SIEM tools and oth...
In office • Los Angeles
$160k – $200kOther Engineering
Lead Propulsion Integration Engineer
NewPosted 6 days ago
Lead Propulsion Integration Engineer
- Lead and develop the propulsion module integration team, setting a high bar for technical rigor, ownership, and execution.
- Own propulsion module architecture across Apex's spacecraft platforms, including tank selection, module structure, mounting, feed-system routing, and vehicle interfaces.
In office • Los Angeles
$156k – $215kOther Engineering
Lead Propulsion Test Engineer
NewPosted 6 days ago
Lead Propulsion Test Engineer
- Build, lead, and develop a team of propulsion test engineers and technicians, setting a high bar for safety, technical rigor, execution, and ownership.
- Own the design, build, and operation of test stands for thrusters, flow controllers, PPUs, and integrated propulsion systems, including fluid and electrical GSE, instrumentation, diagnostics, data acquisition, and controls.
In office • Los Angeles
$156k – $215kOther Engineering
Propulsion Engineer, Structures (Mid)
NewPosted 7 days ago
Propulsion Engineer, Structures (Mid)
- Own mechanical designs for propulsion modules, including module structures, mounting interfaces, and the installation of flow controllers, PPUs, thrusters, and other propulsion hardware.
- Design module structures to meet vehicle-level structural and environmental requirements, including launch loads, vibration, shock, and thermal environments, while conforming to vehicle ICDs.
In office • Los Angeles
$115k – $160kOther Engineering
Spacecraft Mechanical Engineer (Senior)
NewPosted 1 week ago
Spacecraft Mechanical Engineer (Senior)
- Own the mechanical design and development of spacecraft structures, subsystems, and components from concept through flight.
- Develop complex 3D CAD models, assemblies, and detailed engineering drawings for flight hardware.
In office • Los Angeles
$140k – $195kOther Engineering
Senior Propulsion Engineer, Fluids
NewPosted 7 days ago
Senior Propulsion Engineer, Fluids
- Own the propellant feed-system design for Apex's propulsion modules — architecture, schematic, component selection (tanks, regulators, valves, filters, transducers, service valves), and end-to-end fluidic routing.
- Design pressurized fluid systems to appropriate factors of safety, defining MEOP, proof, and bu...
In office • Los Angeles
$140k – $195kOther Engineering
Senior Propulsion Engineer, Structures
NewPosted 7 days ago
Senior Propulsion Engineer, Structures
- Own the mechanical design of propulsion modules, including module structures, mounting interfaces, and the installation of flow controllers, PPUs, thrusters, and other propulsion hardware.
- Design module structures to meet vehicle-level structural and environmental requirements, including launch loads, vibration, shock, and thermal environments, while conforming to vehicle ICDs.
In office • Los Angeles
$140k – $195kOther Engineering
Senior Propulsion Engineer, Hall-Effect Thrusters
NewPosted 7 days ago
Senior Propulsion Engineer, Hall-Effect Thrusters
- Own the end-to-end design and development of Apex's Hall-effect thrusters, including discharge channel geometry, magnetic circuit design, anode and gas distributor design, and thermal-mechanical packaging.
- Develop plasma physics and performance models to drive thruster design, including ionization an...
In office • Los Angeles
$140k – $195kOther Engineering
Senior Electric Propulsion Engineer, Cathodes
NewPosted 1 week ago
Senior Electric Propulsion Engineer, Cathodes
- Own the end-to-end design and development of hollow and/or heaterless cathodes for Apex's electric propulsion systems, including emitter selection, keeper and orifice geometry, heater design, and thermal-mechanical packaging.
- Develop physics-based and empirical models to predict cathode performance, discharge behavior, ...
In office • Los Angeles
$165k – $220kOther Engineering
Staff Electric Propulsion Engineer, Hall-Effect Thrusters
NewPosted 1 week ago
Staff Electric Propulsion Engineer, Hall-Effect Thrusters
- Own the end-to-end design of Apex's Hall-effect thrusters, including discharge channel geometry, magnetic circuit design, anode and gas distributor design, and thermal-mechanical packaging.
- Lead the plasma physics and performance modeling that drives thruster design, including ionization and acceleration behavior, magnetic field topology, efficiency, thrust-to-power, and specific impulse across the operating envelope.
In office • Los Angeles
$165k – $226kOther Engineering
Spacecraft Mechanical Engineer (Early)
NewPosted 1 week ago
Spacecraft Mechanical Engineer (Early)
- Develop mechanical designs and models for satellite structures, subsystems, and components.
- Conduct structural analyses to ensure compliance with performance and reliability requirements.
In office • Los Angeles
$100k – $140kOther Engineering
Spacecraft Build Engineer
NewPosted 1 week ago
Spacecraft Build Engineer
- Own the development and qualification of manufacturing processes for spacecraft components and assemblies
- Design and implement precision tooling and fixtures to improve quality, repeatability, and cycle time
In office • Los Angeles
$110k – $165kOther Engineering
Spacecraft Dynamics Engineer
NewPosted 1 week ago
Spacecraft Dynamics Engineer
- Own dynamic and loads analysis across components, subsystems, and full spacecraft
- Expertise in CLA, load derivation and structural verification
In office • Los Angeles
$136k – $220k