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Jobs at Aetherflux
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Other Engineering
GNC Engineer
NewPosted 1 day ago
GNC Engineer
- Design and develop guidance, navigation, and control algorithms for spacecraft attitude and orbit control
- Build high-fidelity simulations to model spacecraft dynamics, sensors, and actuators
In office • Seattle
$150k – $200kOther Engineering
Thermal Engineer
NewPosted 7 days ago
Thermal Engineer
- Thermal System Design: Develop spacecraft thermal management architectures, including active and passive cooling solutions for high-power and high-heat-flux components.
- Thermal Analysis & Modeling: Utilize thermal simulation tools such as ANSYS Thermal Desktop to predict system behavior in space conditions.
In office • Seattle
$150k – $200kOther Engineering
GPU System Reliability Engineer Lead
NewPosted 1 week ago
GPU System Reliability Engineer Lead
- Lead RAS validation strategy and execution for GPU server platforms, including fault injection, detection coverage, and recovery verification.
- Partner directly with GPU system designers to analyze hardware failures, review silicon errata, and align on fault handling requirements for DDR, HBM, CPU, and GPU subsystems.
In office • Seattle
$150k – $225kOther Engineering
Fluids Engineer
NewPosted 2 weeks ago
Fluids Engineer
- Design valves (flow control, isolation, regulation, check, and relief) for propellant, pressurant, and thermal fluid systems used on propulsion and launch vehicle systems.
- Develop fluid storage hardware including propellant tanks, pressure vessels, and accumulators from concept through qualification.
In office • Seattle
$120k – $150kEngineering
Sr. IT Engineer
NewPosted 2 weeks ago
Sr. IT Engineer
- Manage and harden our GCC High environment, owning identity, tenant configuration, and the compliance controls that come with operating in government cloud
- Own the design and operation of our IT systems end to end, managing and configuring device management and conditional-access controls (Intune, PSSO, Entra) that keep Windows, macOS, and iOS hardware compliant and aligned with zero-trust principles across both cloud and on-premises deployments
In office • Seattle
$135k – $175kOther Engineering
Injector Design and Development Engineer
NewPosted 2 weeks ago
Injector Design and Development Engineer
- Own injector hardware end to end, from first-principles sizing through flight operation.
- Perform physics-based architecture trades within a given engine cycle and required performance, leading to design & analysis of Thrust Chamber Assembly piece parts
In office • Seattle
$130k – $180kOther Engineering
Senior Loads and Dynamics Engineer
NewPosted 2 weeks ago
Senior Loads and Dynamics Engineer
- Own the vehicle loads as the discipline lead: quasi-static, transient, and dynamic load cases across ground handling, ascent, separation, entry, landing, and reuse.
- Establish the methods, tools, and standards the loads and dynamics discipline works to.
In office • Seattle
$95k – $130kOther Engineering
Flight Termination System Engineer
NewPosted 2 weeks ago
Flight Termination System Engineer
- Own the flight safety system as the discipline lead: architecture, analysis, qualification, and certification from concept through flight readiness.
- Actively participate in board- and system-level hardware design reviews, lead safety-related discussions, and serve as the go-to person for safety-related hardware design decisions.
In office • Seattle
$157k – $206kOther Engineering
Staff Engineer, Optics and RF
NewPosted 3 weeks ago
Staff Engineer, Optics and 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 – $276kOther Engineering
Senior Mechanisms Engineer - Electromechanical Actuators
NewPosted 3 weeks ago
Senior Mechanisms Engineer - Electromechanical Actuators
- Own your mechanism subsystem from concept through design, analysis, test, and flight.
- Drive structural and kinematic design for minimum mass while meeting strength, stiffness, fatigue, and operational-life requirements across ascent, entry, landing, and reuse environments.
In office • Seattle
$150k – $180kOther Engineering
Sr. Mechanisms Engineer
NewPosted 3 weeks ago
Sr. Mechanisms Engineer
- Own the full development lifecycle of gimbal mechanisms for laser communications payloads, from concept through flight qualification
- Design precision gimbal assemblies, including bearings, flexures, motors, encoders, and structural members
In office • San Carlos
$152k – $220kOther Engineering
Optics Lab Manager & Test Engineer
NewPosted 3 weeks ago
Optics Lab Manager & Test Engineer
- Own lab operations including equipment calibration schedules, inventory, and configuration management of test setups.
- Maintain laser safety requirements including interlocks, PPE, and posted procedures in coordination with the Laser Safety Officer.
In office • San Carlos
$145k – $223kOther Engineering
Sr. Integration and Test Engineer
NewPosted 3 weeks ago
Sr. Integration and Test Engineer
- Own system-level integration and test of hardware and avionics systems
- Design, build, and maintain test infrastructure (racks, fixtures, harnessing, and tooling)
In office • San Carlos
$125k – $200kOther Engineering
Sr. Systems Engineer, Space Communications
NewPosted 3 weeks ago
Sr. Systems Engineer, Space Communications
- Design and develop wireless communication systems for satellite platforms, including RF subsystems operating in S-band, X-band, K-band and UHF frequency ranges
- Lead antenna design, simulation, and validation efforts to meet mission-specific coverage, gain, and pattern requirements
In office • San Carlos
$182k – $243kOther Engineering
Power Avionics Engineer
NewPosted 3 weeks ago
Power Avionics Engineer
- Own the design, development, and validation of spacecraft power electronics systems from concept through flight
- Architect and implement power distribution systems, including power management, conversion, and regulation for spacecraft subsystems
In office • Seattle
$120k – $175kOther Engineering
Controls Engineer
NewPosted 3 weeks ago
Controls Engineer
- Design and implement motor control systems for electrically actuated valves and pumps, interfacing with drive electronics, feedback sensing, and control algorithms.
- Develop automated sequences for propellant fill, drain, vent, and conditioning operations on both vehicle and ground support equipment.
In office • Seattle
$160k – $200kOther Engineering
Senior In-Space Propulsion Engineer
NewPosted 3 weeks ago
Senior In-Space Propulsion Engineer
- Identify and lead long-term strategic planning and development efforts for electric and/or chemical propulsion solutions
- Execute high level technical and operational trades to identify the best propulsion system for Cowboy Space’s satellite applications
In office • Seattle
$140k – $205kOther Engineering
Sr. TCA Mechanical Design Engineer
NewPosted 3 weeks ago
Sr. TCA Mechanical Design Engineer
- Own end-to-end TCA hardware lifecycle from requirements through manufacturing to flight qualification
- Lead mechanical design optimized for manufacturability, applying physics-based analysis
In office • Seattle
$185k – $210kOther Engineering
Sr. Mechanical Engineer
NewPosted 3 weeks ago
Sr. 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 • Seattle
$150k – $200kEngineering
Sr. Test Software Engineer, AI Workloads
NewPosted 3 weeks ago
Sr. Test Software Engineer, AI Workloads
- Design, build, and maintain software for spacecraft systems, ground systems, and mission operations
- Develop flight software that interfaces directly with hardware and supports real-time control
In office • San Carlos
$100k – $200k