Senior Mechanical Harness Engineer – Space Systems

AST SpaceMobile; United States; On-site; USD 90,000 - 130,000; Full time

Job summary

AST SpaceMobile seeks a Mechanical Harness Engineer to design, develop, and integrate electrical harnesses for LEO satellite systems. You will ensure reliable power and data transfer, collaborating with system, electrical, and mechanical engineers to define harness specifications and constraints.

The role involves creating harness drawings, selecting connectors, and performing analyses to verify mechanical integrity, electrical performance, and environmental resistance.

Qualifications

• Bachelor’s or Master’s degree in Mechanical Engineering, Aerospace Engineering, or a related field.
• 3–5 years of experience in electrical harness design for aerospace or space applications.
• Experience with high-reliability harness design for small satellites, CubeSats, or nano/microsatellites.

Responsibilities

• Design and develop electrical harnesses for LEO satellite systems, considering mission requirements, space constraints, thermal considerations, and EMC requirements.
• Collaborate with system engineers, electrical designers, and mechanical engineers to define harness specifications and design constraints.
• Create and manage detailed harness drawings, including cable/wire routing, connector selection, splicing, and termination plans using CAD tools.
• Ensure compliance with industry standards (e.g., IPC-WHMA-A-620, ECSS-E-HB-10-10) and space agency requirements.
• Conduct analyses and simulations to verify mechanical integrity, electrical performance, and environmental resistance.
• Support fabrication, assembly, and testing of harnesses, providing guidance to ensure quality and adherence to specifications.
• Perform in-house testing and validation, including continuity checks, insulation resistance, and signal integrity testing.
• Collaborate with suppliers to source space-qualified components while maintaining cost-effectiveness and schedule adherence.
• Document all design and testing activities, including procedures, reports, and design changes.
• Participate in design reviews and cross-functional meetings, providing technical insights for optimization.
• Assist in troubleshooting harness-related issues during integration, testing, and in-orbit operations.
• Stay current with advancements in harness technologies and explore opportunities for innovation.

Skills

Collaboration

Communication

Analytical thinking

Project management

Education

Bachelor’s or Master’s in Mechanical/Aerospace Engineering

Tools

Autodesk Inventor

Fusion 360 PLM

Vault

Job description

AST SpaceMobile seeks a Mechanical Harness Engineer to design, develop, and integrate electrical harnesses for LEO satellite systems. You will ensure reliable power and data transfer, collaborating with system, electrical, and mechanical engineers to define harness specifications and constraints.

The role involves creating harness drawings, selecting connectors, and performing analyses to verify mechanical integrity, electrical performance, and environmental resistance.