Avionics Harness Design Engineer for Spacecraft Systems

Apex Space, Inc.; Los Angeles, Northern (CA, KY); Hybrid; USD 125,000 - 165,000; Full time

Benefits offered by this job

Equity in Apex Space

Health insurance

PTO 15-20 days + holidays

401(k) with match

Parental leave

Lunch & snacks

Playa Vista office

Career growth

Job summary

Apex Space, Inc. in Playa Vista, CA, is seeking a highly skilled Avionics Harness Design Engineer to design, analyze, and verify electrical harnesses for spacecraft and satellites.

You will collaborate with systems, mechanical, and manufacturing teams to meet spaceflight standards (NASA/ESA) and ensure reliability under extreme space conditions. This role offers the opportunity to contribute to cutting-edge space systems with competitive compensation and comprehensive benefits.

Qualifications

• Design electrical harnesses with wiring diagrams and 3D routing.

Responsibilities

• Develop detailed designs for electrical harnesses, including wiring diagrams, schematics, and 3D routing models.
• Select suitable connectors, backshells, wires, and shielding materials specifically designed for space environments.
• Work closely with the systems and mechanical engineering teams to ensure harness designs meet system requirements and space system integration needs.
• Perform electrical analyses, including voltage drop, current derating, signal integrity, and thermal effects, to validate harness performance.
• Ensure that all designs comply with EMI/EMC requirements and meet spaceflight standards such as NASA, ESA, and other aerospace-specific requirements.
• Develop comprehensive test plans and procedures for harness qualification, acceptance, and environmental testing.
• Collaborate with testing teams to validate harness designs under simulated space conditions, such as thermal vacuum, vibration, and radiation testing.
• Address any performance issues identified during testing and implement design improvements as necessary.
• Generate detailed design documentation, including Bill of Materials (BOMs), Interface Control Documents (ICDs), and manufacturing drawings.
• Ensure all designs meet relevant aerospace standards and regulations, such as IPC/WHMA-A-620, SMC-S-020, and NASA-STD-8739.4.
• Maintain accurate and up-to-date records for design iterations, compliance checks, and testing results.
• Work closely with systems engineers, mechanical engineers, integration teams, and manufacturing teams to ensure harness designs align with overall system goals and integration requirements.
• Support harness installation, integration, troubleshooting, and problem resolution during spacecraft assembly and testing phases.

Skills

Electrical design

Schematic interpretation

Signal integrity

Thermal analysis

Grounding & shielding

Education

Bachelor’s or Master’s in Electrical or Aerospace Eng

Tools

Altium

Rapid Harness

NX

Teamcenter (PLM)

Job description

Apex Space, Inc. in Playa Vista, CA, is seeking a highly skilled Avionics Harness Design Engineer to design, analyze, and verify electrical harnesses for spacecraft and satellites.

You will collaborate with systems, mechanical, and manufacturing teams to meet spaceflight standards (NASA/ESA) and ensure reliability under extreme space conditions. This role offers the opportunity to contribute to cutting-edge space systems with competitive compensation and comprehensive benefits.