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AST SpaceMobile

Delivers global satellite-based mobile broadband

Mechanical Harness Engineer

Aerospace EngineeringConfirmed live in the last 24 hours
Full-timeLanham, MD, USANo salary listedIn-person

About the Job

Requirements

  • Bachelor’s or master’s degree in Mechanical Engineering, Aerospace Engineering, or a related field.
  • A minimum of 3–5 years of experience in electrical harness design for aerospace or space applications.
  • Strong interpersonal skills and ability to collaborate effectively within cross-functional teams.
  • Excellent written and verbal communication skills.
  • Analytical mindset and problem-solving abilities.
  • Ability to manage multiple projects and meet deadlines.
  • Meticulous attention to detail for accurate documentation and design.
  • Familiarity with harness design standards and schematic capture tools.
  • Ability to work in a standard office environment and use a computer for extended periods.
  • Ability to work in a clean room production environment.
  • Ability to perform occasional hands-on work in lab environments for testing and validation.

Responsibilities

  • Design and develop electrical harnesses for low Earth orbit satellite systems, considering mission requirements, space constraints, thermal considerations, and electromagnetic compatibility 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 computer-aided design tools.
  • Ensure compliance with industry standards, including IPC-WHMA-A-620 and 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 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.

Desired 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.

About the Company

AST SpaceMobile

Delivers global satellite-based mobile broadband

AST SpaceMobile builds a satellite-based broadband network that can work directly with ordinary mobile devices by partnering with major mobile network operators to extend global coverage. The system uses satellites that communicate with phones through operator-backed services to provide data without relying only on terrestrial towers, with revenue coming from service agreements and data usage fees. It differentiates itself by pursuing direct-to-device satellite cellular service through collaborations with operators to reach the many unconnected subscribers worldwide. Its goal is to deliver seamless global mobile broadband coverage and close the connectivity gaps for billions of mobile users.

Company size
1,001-5,000
Company stage
IPO
Headquarters
Midland, TX
Founded
2017

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