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Portal Space Systems
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Business Systems Engineer
Verified today
Portal Space Systems · Bothell, WA · Space Systems
You will own and maintain Portal's complete business systems catalog, from identity and access management through integrations and compliance. Roll out SSO across the stack, build automations that eliminate manual data transfer, and lay the data infrastructure foundation for future mission operations integration.
On site
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Propulsion Systems Build Engineer
Verified today
Portal Space Systems · Bothell, WA · Propulsion
You will own the development and qualification of propellant feed and storage systems for spacecraft. Work across propulsion, fluids, and thermal teams to deliver flight hardware, lead supplier engagements, and build test infrastructure that validates next-generation vehicle architectures.
On site
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Senior Electrical Engineer – Spacecraft Power Systems & Bus Architecture
Verified today
Portal Space Systems · Bothell, WA · Electronics
You will architect spacecraft power systems from solar arrays through distribution units, lead power bus design and redundancy strategies, and drive hardware bring-up and testing on flight-grade systems.
On site
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Senior Satellite Guidance, Navigation, and Control (GNC) Engineer
Verified today
Portal Space Systems · Bothell, WA · Space Systems
You will design and validate GNC algorithms for satellite pointing and stability control, lead avionics integration from sensor calibration through flight testing, and perform high-fidelity simulations and trajectory optimization. Mentor junior engineers and collaborate with multidisciplinary teams on satellite development.
On site
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Senior Software Development Engineer – Satellite Software & Firmware
Verified today
Portal Space Systems · Bothell, WA · Software
You will develop flight software for satellite platforms, including avionics, attitude control, power management, and onboard data handling. Design firmware for embedded processors and FPGAs, implement autonomous fault detection systems, and support pre-flight testing through in-orbit operations.
On site
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Senior Thermal Structural Analysis Engineer
Verified today
Portal Space Systems · Bothell, WA · Mechanical
Lead coupled thermal-structural analysis and thermo-mechanical substantiation of spacecraft hardware in elevated-temperature environments. You will develop and maintain FEM models, perform stress and fatigue analyses driven by thermal gradients, correlate predictions with test data, and automate verification workflows using Python.
On site
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Software Integration & Test Engineer
Verified today
Portal Space Systems · Bothell, WA · Production
You will own the end-to-end software integration and test strategy for spacecraft, from first power-on to flight readiness. Develop HITL test cases, debug avionics and payload firmware across subsystems, and build automated regression frameworks that drive continuous validation.
On site
