AstroTalentSpace Jobs

Mechanical Harness Engineer Verified today

AST SpaceMobile · Lanham, MD · Electronics · first seen 2026-07-16
Apply at AST SpaceMobile →

About the role

AST SpaceMobile is building a global cellular broadband network in space operating directly with standard mobile devices. We are seeking a Mechanical Harness Engineer to design, develop, and integrate electrical harnesses for our Low Earth Orbit satellite systems, ensuring reliable power and data transfer for successful missions.

Key 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 and wire routing, connector selection, splicing, and termination plans using CAD tools.
  • Ensure compliance with industry standards (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.

Required qualifications

  • Bachelor's or Master's degree in Mechanical Engineering, Aerospace Engineering, or related field.
  • Minimum 3-5 years of experience in electrical harness design for aerospace or space applications.

Preferred qualifications

  • Experience with high-reliability harness design for small satellites, CubeSats, or nano/microsatellites.
  • Knowledge of space-rated materials and manufacturing processes.
  • Familiarity with thermal analysis and thermal management techniques.
  • Previous work with major aerospace agencies or satellite manufacturers.

Skills and experience

  • CAD tools: Autodesk Inventor, Fusion 360 PLM, and Vault.
  • Familiarity with harness design standards and schematic capture tools.
  • Strong interpersonal skills and proven ability to collaborate within cross-functional teams.
  • Excellent written and verbal communication skills.
  • Analytical mindset with strong problem-solving abilities.
  • Ability to manage multiple projects and meet deadlines.
  • Meticulous attention to detail in documentation and design.

Working environment

Work in a standard office environment and use a computer for extended periods. Occasional hands-on work in lab environments for testing and validation and in clean room production environments.