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Starcloud is building a network of data centers in space, leveraging falling launch costs to scale from kilowatts to gigawatt capacity. The company places compute in orbit to draw on near-continuous solar power and radiate heat directly to space, enabling AI compute scaling unconstrained by terrestrial land, water, or grid limitations. Starcloud's first satellites are already flying GPUs in orbit, with a roadmap scaling to multi-megawatt and gigawatt-class orbital compute platforms.
As Senior Harness Engineer, you will own the electrical interconnect system of Starcloud's spacecraft end-to-end: from architecture and connector selection through detailed design, 3D routing, build documentation, manufacturing, inspection, and vehicle integration. You are the single point of accountability for getting harnesses designed, built, tested, and installed on schedule.
Key responsibilities include:
**Design & Architecture**: Drive electrical interconnect architecture for spacecraft power, data, RF, and GPU/compute subsystems, including high-current power distribution for multi-kilowatt payloads. Produce complete harness designs covering interconnect diagrams, wiring schematics, wire lists, connector/contact selection, wire gauge and derating analysis, shielding/grounding schemes, and routing constraints. Model 3D harness routing in CAD (NX, Creo, CATIA, or Siemens Capital/Zuken E3), coordinating clearances, clamps, service loops, and keep-outs with mechanical teams. Define and release harness drawings, build books, from/to lists, and inspection criteria; manage revisions through release and ECO processes.
**Cross-functional Integration**: Partner with electrical engineers to capture pinouts, signal integrity, EMI/EMC requirements, power budgets, and connector interfaces from avionics boxes and payloads. Coordinate with mechanical and structures engineers on routing paths, mounting provisions, thermal environments, and vehicle access for assembly and rework. Own and maintain interface control documentation (ICDs) for all electrical connections across the vehicle.
**Manufacturing & Production**: Own the build plan including sourcing of wire, connectors, contacts, backshells, overbraid, and tooling; manage long-lead procurement and kitting. Write build, crimp, solder, and inspection procedures to IPC/WHMA-A-620 (Space Addendum) and NASA-STD-8739.4 standards. Stand up and scale harness production in-house or with contract manufacturers; train and support harness technicians; perform or sign off on first-article inspections. Be on the production floor during builds to resolve issues in real time, disposition non-conformances, and implement fixes.
**Integration & Flight Support**: Support vehicle integration, continuity/hipot/insulation resistance testing, and functional checkouts. Own harness-related anomaly investigation and root cause analysis in test and on orbit. Feed lessons learned back into design standards, part libraries, and process documentation as production scales from one-off builds to repeatable rate production.
This is a hands-on, full-lifecycle role requiring time in CAD, design reviews with electrical and mechanical engineers, on the production floor with technicians, and in the integration bay with the vehicle. You will drive decisions, not wait for them.
