3D Harness Engineer

Katalyst Space Technologies

$110K — $125K *
Aerospace & Defense
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Mechanical Engineering, Electrical Engineering, or related discipline.
  • 3+ years of experience with 3D CAD harness routing and CAD library management.
  • Expert-level proficiency with SolidWorks and PDM Professional.
  • Strong knowledge of harness design principles, including wire selection and EMI/EMC considerations.
  • Experience in developing interconnect systems and translating schematics into 3D designs.

Responsibilities

  • Own spacecraft harness design and 3D routing of harnesses from electrical schematics.
  • Develop detailed 3D harness models in SolidWorks and maintain routing libraries.
  • Create parametric 3D models of harness components from specs or physical hardware.
  • Develop wire lists, connector pin maps, and maintain documentation traceability.
  • Define harness architectures that meet varying electrical and environmental requirements.
  • Collaborate with electrical and mechanical teams to deliver reliable interconnect systems.

Benefits

  • Access to comprehensive medical, vision, and dental coverage.
  • Unlimited Paid Time Off.
  • Long-term incentives through Employee Stock Options and Equity Plan.
  • Relocation bonus and discretionary bonuses.
Full Job Description
What You'll Do
  • Own spacecraft harness design and 3D routing of spacecraft harness, translating electrical schematics and interconnect requirements into harness routing through integration and test.
  • Develop detailed 3D harness routing models in SolidWorks, including cables, wires, connectors, backshells, clamps, and other harness hardware, and maintain the associated routing libraries within a PDM-managed environment.
  • Create parametric 3D models of harness and interconnect components, including connectors, backshells, clamps, brackets, and other hardware. Develop accurate models from drawings, specifications, or physical hardware when existing CAD models are not available.
  • Develop wire lists, connector pin maps, drawings, and harness specifications while maintaining traceability between electrical design intent, 3D routing, and manufacturing documentation.
  • Define harness architectures that meet electrical and environmental requirements, including current capacity, voltage drop, grounding, bonding, shielding, EMI/EMC, thermal effects, radiation exposure, and space charging considerations.
  • Work across electrical and mechanical teams to trade routing configurations and deliver reliable, testable, and cost-effective interconnect systems. Support qualification, acceptance testing, vehicle integration, troubleshooting, and design iteration.

What We're Looking For

Required
  • Bachelor's degree in Mechanical Engineering, Electrical Engineering, or a closely related engineering discipline from an accredited institution.
  • 3+ years of professional experience with 3D CAD harness routing and hands-on CAD library management.
  • Expert-level proficiency with SolidWorks, including 3D Routing, parametric part and assembly modeling, drawing detailing, and SolidWorks PDM Professional.
  • Strong understanding of electrical and mechanical harness design principles, including wire and cable selection, connectorization, pin mapping, grounding, shielding, voltage drop, controlled impedance, and EMI/EMC considerations.
  • Experience developing complex interconnect systems and translating wiring diagrams, schematics, and electrical requirements into complete 3D designs and manufacturing documentation.


Your Ideal Background

Preferred
  • Experience designing harnesses for spacecraft, aircraft, robotics, or similarly complex aerospace or electromechanical systems.
  • Working knowledge of applicable harness workmanship and design standards.
  • Experience with SolidWorks Electrical Schematic and bidirectional electrical-to-mechanical design workflows.
  • Strong understanding of electrical failure modes and mitigation techniques, including interference, voltage drop, thermal effects, crosstalk, grounding, bonding, and shield termination.
  • Knowledge of industry standards and regulations related to wire harness design , such as IPC/WHMA-A-620 and/or NASA-STD 8739.4A
  • Experience automating harness design workflows using SQL, Python, or other scripting languages.
  • Familiarity with radiation effects on avionics, cabling, and materials is a plus.


Additional Requirements: This role is expected to work primarily onsite in Broomfield, Colorado and may occasionally require extended hours when urgent employee, leadership, or business needs arise.

Compensation and Benefits: Your base salary will be determined on a case-by-case basis and may vary based on the following considerations: job-related knowledge and skills, education, and experience. The anticipated salary range for this role is $110,000 - $125,000 annually.

Base salary is just one part of your total rewards package at Katalyst. You will also be eligible for long-term incentives, in the form of the Employee Stock Option and Equity Plan, as well as a relocation bonus and other discretionary bonuses. You will also receive access to comprehensive medical, vision, and dental coverage, and unlimited Paid Time Off.

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