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Jobs at Aetherflux
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Other Engineering
Reliability Engineer
NewPosted 3 days ago
Reliability Engineer
- Decide what reliability toolkit this program runs on, write it down short enough that people follow it, and defend every inclusion and omission
- Pick analysis depth per subsystem instead of applying one standard everywhere — some interfaces deserve a full FMECA, some deserve a one-page failure walkdown, some deserve nothing
In office • Kent
$140k – $185kOther Engineering
Staff Engineer, Optics & RF
NewPosted 2 days ago
Staff Engineer, Optics & RF
- Design RF driver and receiver circuitry for optical communication links supporting data rates upto 50 Gbps
- Develop end-to-end RF signal chain architecture for laser diode drivers, modulators, and photodetector front-ends
In office • San Carlos
$219k – $276kEngineering
Embedded Software Engineering Lead
NewPosted 4 days ago
Embedded Software Engineering Lead
- Team Lead: Lead embedded software team developing flight-critical and avionics systems through mentorship, performance management, and career development.
- Project Management: Plan and coordinate firmware releases, including task breakdowns, sprint management, timeline tracking, and communication to program stakeholders.
In office • San Carlos
$175k – $225kOther Engineering
Ordnance Engineer
NewPosted 5 days ago
Ordnance Engineer
- Define the ordnance architecture for the vehicle: any pyro-actuated valve or mechanism
- Select, specify, and qualify the hardware: initiators and detonators, safe-and-arm and electronic safe-and-arm devices, through-bulkhead initiators, detonating cord and transfer lines, shaped charge, frangible joints, separation nuts, and pin pullers
In office • Kent
$140k – $200kOther Engineering
Senior Mechanical Engineer
NewPosted 1 week ago
Senior Mechanical Engineer
- Own mechanical design of spacecraft components and assemblies from concept through production
- Design and develop structures, mechanisms, and thermal solutions for space environments
In office • San Carlos
$150k – $200kOther Engineering
Structural Analyst
NewPosted 6 days ago
Structural Analyst
- COWBOY SPACE CORP.
- Own the full lifecycle of structural prediction and data for the team — from load definition and first-order sizing through correlated, test-anchored models used to clear hardware for flight.
In office • Kent
$140k – $195kOther Engineering
Wiring Harness Engineer
NewPosted 1 week ago
Wiring Harness Engineer
- Own the technical roadmap and architecture for electrical and optical harnessing across all spacecraft platforms.
- Create detailed harness schematics, routing diagrams, 3D CAD models, and manufacturing drawings.
In office • San Carlos
$100k – $135kOther Engineering
Fluids Engineer - Vehicle Valves, Ducts, & Small Tubing
NewPosted 1 week ago
Fluids Engineer - Vehicle Valves, Ducts, & Small Tubing
- COWBOY SPACE CORP.
- Own your fluid subsystem from concept through design, analysis, test, and flight.
In office • Kent
$130k – $195kOther Engineering
Fluids Engineer Level 1
NewPosted 1 week ago
Fluids Engineer Level 1
- COWBOY SPACE CORP.
- Own your fluid subsystem from concept through design, analysis, test, and flight.
In office • Kent
$100k – $135kOther Engineering
Mechanical Engineer | Solar Array Deployable Structures
NewPosted 1 week ago
Mechanical Engineer | Solar Array Deployable Structures
- Own the design of the deployable structure’s mechanism from concept through flight, including actuation, deployment sequencing, latching and locking at full extension, and stowage and launch restraint.
- Design and analyze the deployment kinematics, actuation, synchronization, and end-of-travel lat...
In office • Seattle
$100k – $300kOther Engineering
Mechanical Engineer | Deployable Radiators
NewPosted 1 week ago
Mechanical Engineer | Deployable Radiators
- Own the structural design of the deployable radiator panels from concept through flight, sizing them to survive stowed launch and ascent loads and to deploy into a radiating surface.
- Perform structural analysis across the full mission profile, including quasi-static and random vibration launch loads and deployed-state dynamics.
In office • Seattle
$150k – $200kOther Engineering
Fluids Engineer - Propulsion Valves, Ducts, Lines
NewPosted 1 week ago
Fluids Engineer - Propulsion Valves, Ducts, Lines
- COWBOY SPACE CORP.
- Own your fluid subsystem from concept through design, analysis, test, and flight.
In office • Seattle
$130k – $195kOther Engineering
Test Engineer
NewPosted 1 week ago
Test Engineer
- Design and build fluid, mechanical, instrumentation, and control systems for component, engine, and stage-level test
- Own P&IDs and take fluid system designs from schematic through procurement, fabrication, and checkout
In office • Seattle
$130k – $190kOther Engineering
Senior Powerpack Engineer
NewPosted 1 week ago
Senior Powerpack Engineer
- Bring a culture of creativity to every design challenge. Own each solution or improvement with true accountability, seeing it through to completion.
- Own the mechanical design and development of turbopump hardware from concept through hot fire testing and flight: inducers, impellers, diffusers, volutes, turbine stages, dynamic seals, bearing supports, pump housings and assemblies.
In office • Seattle
$165k – $210kOther Engineering
Senior Powerpack Manufacturing Engineer
NewPosted 1 week ago
Senior Powerpack Manufacturing Engineer
- Bring a culture of creativity to every design and manufacturing challenge, ask the hard questions, and own each fix or improvement with true accountability, and see it through to completion.
- Own build process definition for turbopump hardware: routings, work instructions, process specifications, and the inspection plan at each step.
In office • Seattle
$180k – $210kOther Engineering
Powerpack Engineer Level II
NewPosted 1 week ago
Powerpack Engineer Level II
- Bring a culture of creativity to every design challenge. Own each solution or improvement with true accountability, seeing it through to completion.
- Own the mechanical design of turbopump components and subassemblies from concept through hot fire testing and flight: CAD models, design definitions, tolerances, GD&T, material and process specifications, analysis cycles, and the requirements each component has to meet.
In office • Seattle
$125k – $155kOther Engineering
Software Engineer, Hardware Test & Automation
NewPosted 2 weeks ago
Software Engineer, Hardware Test & Automation
- Own the design, build-out, and operation of hardware-in-the-loop test infrastructure that exercises real flight software against real or emulated spacecraft hardware
- Extend and harden existing internal test tooling into a reusable platform that serves multiple concurrent flight programs, rather than one-off setups per program
In office • Seattle
$100k – $200kOther Engineering
FPGA Engineer
NewPosted 3 weeks ago
FPGA Engineer
- Design, implement, and verify HDL/RTL in SystemVerilog/Verilog for the FPGA subsystems of our state-of-the-art optical communication system, from architecture through on-orbit operation
- Partner directly with the optical communication team to design and implement FPGA logic for free-space optical communication links, including modem interfacing, framing/synchronization, and high-throughput data pipelines
In office • San Carlos
$150k – $200kOther Engineering
Intern, Electrical Engineering 2027
NewPosted 2 weeks ago
Intern, Electrical Engineering 2027
- Design, simulation, and testing of RF/optical communication systems and components
- Spacecraft and launch vehicle analysis, thermal modeling, and mechanical design
In office • Seattle
Other Engineering
Lead Mechanical Engineer, Compute Systems
NewPosted 3 weeks ago
Lead Mechanical Engineer, Compute Systems
- Own the mechanical architecture of space-based compute hardware, including chassis, PCB retention, connector interfaces, and thermal management, from concept through production
- Perform system-level trade studies on packaging, mass, and thermal performance to optimize compute hardware architecture
In office • San Carlos
$150k – $225k