Astranis
Senior Harness Design Engineer
San Francisco · Senior
Work authorization requiredDetected 1 day ago
SolidWorksCATIAZukenAvionicsElectrical EngineeringCommunicationCollaboration
About the role
- Strong electrical fundamentals, including wire and cable selection (ampacity, voltage drop, insulation ratings, shielding, bundling), protection coordination, derating, and connector and terminal selection
- Documentation depth, able to generate complete harness packages (schematics, wire lists, connector face views, splice diagrams) and to dimension controlled lengths, branches, and service loops
- Hands-on electrical test equipment experience, including harness and continuity testers (e.g., Cirris), digital multimeters, and oscilloscopes
Responsibilities
- Own harness architecture and design from concept and schematic capture through drawing packages and production release
- Perform the core electrical analysis behind reliable harnesses: wire sizing, voltage-drop budgets, protection and fuse coordination, derating, and connector/component selection
- Develop and maintain schematics, harness drawings, wire lists, splice diagrams, and connector face views using the Zuken E3 suite
- Drive design-to-manufacturing through Zuken E3.HarnessBuilder, using automation to move cleanly from design intent to manufacturing outputs
- Audit wire diagrams and harness topologies for accuracy against interface control documents (ICDs)
- Specify physical protection and support for harnesses, including lacing, tying, convolute, and thermal/abrasion protection appropriate to the space environment.
- Build, modify, and validate prototype and test harnesses
- Support pre-launch integration and test operations on the ground, including on-vehicle harness routing, installation, and connection
- Lead root-cause analysis and implement design improvements that enhance reliability, manufacturability, and serviceability
- Collaborate with manufacturing and harness suppliers on DFM/DFI feedback, assembly documentation, and process validation
Requirements
- We think about this role as one discipline of depth and one of literacy: electrical design is the proficiency, mechanical is the literacy.
- The required qualifications reflect the electrical depth we can't teach on the job.
- Degree in electrical, mechatronics, or a related engineering field, or equivalent hands-on harness design experience
- Zuken E3 proficiency, with strong hands-on command of E3.cable, E3.smallcable, and E3.HarnessBuilder for schematic capture and harness engineering
- 3D CAD proficiency in CATIA Electrical, SolidWorks, or 3DEXPERIENCE for harness routing and formboard work
- U.S. Citizenship, Lawful Permanent Residency, or Refugee/Asylee Status Required
- (To comply with U.S. Government space technology export regulations, applicant must be a U.S. citizen, lawful permanent resident of the United States, or other protected individual as defined by 8 U.S.C. 1324b(a)(3))
Nice to have
- With five satellites on orbit and many more set to launch soon, the company is servicing a backlog of more than $1 billion of commercial contracts.
- Astranis has raised over $750 million from some of the world's best investors, from Andreessen Horowitz to Blackrock and Fidelity, and employs a team of 450 engineers and entrepreneurs.
- You will take harnesses from schematic capture through production release, working across low-voltage, high-voltage, and RF interconnects.
- Standards fluency in IPC/WHMA-A-620 (Class 3) workmanship, plus NASA harness workmanship and connector selection and qualification practices
- Familiarity with space coax and connector specifications (e.g., NASA SSQ 21653, MIL-PRF-39012, GSFC S-311-P-718) is a plus
Compensation
- $135,000 - $235,000 USD
- Astranis pay ranges are informed and defined through professional-grade salary surveys and compensation data sources.
Benefits
- All our positions offer a compensation package that includes equity and robust benefits.
- Base pay is just one component of Astranis's total rewards package.
Company info
- Partner across subsystems (avionics, power, propulsion, payload) and functions (production, environmental test, and vehicle test), since the harness interfaces with nearly every part of the spacecraft
- Our mission and our products are meant to connect the world and everyone in it, regardless of gender, race, creed, or any other distinction.
Visa & Work Authorization
- Citizenship, Lawful Permanent Residency, or Refugee/Asylee Status Required
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This listing is sourced directly from Astranis's careers page and normalized into a canonical job model.