Avionics Harness Design Engineer for Spacecraft — Equity

Apex; Los Angeles (CA); On-site; USD 125,000 - 165,000; Full time

Benefits offered by this job

Equity

Healthcare

PTO

401(k) match

Parental leave

Lunch provided

Office culture

Job summary

Apex is seeking an Avionics Harness Design Engineer to create, analyze, and verify electrical harnesses for spacecraft, satellites, and rovers. You will ensure designs meet spaceflight standards and survive harsh space environments while collaborating with systems, mechanical, and test teams.

You will develop wiring diagrams, select space-grade components, perform critical analyses, and generate documentation to support production and integration at our Playa Vista facility.

Qualifications

• U.S. Person status required due to export controlled data.
• Bachelor’s or Master’s degree in Electrical Engineering, Aerospace Engineering, or related field.

Responsibilities

• Develop detailed designs for electrical harnesses, including wiring diagrams, schematics, and 3D routing models.
• Select connectors, backshells, wires, and shielding materials designed for space environments.
• Collaborate with systems and mechanical teams to meet harness requirements and integration needs.
• Perform analyses: voltage drop, derating, signal integrity, and thermal effects.
• Ensure compliance with EMI/EMC and NASA/ESA standards.
• Conduct environmental assessments for space conditions (thermal, radiation, mechanical stresses).
• Develop test plans for harness qualification and environmental testing.
• Work with testing teams to validate designs under thermal vacuum, vibration, and radiation tests.
• Address performance issues and implement design improvements.
• Generate BOMs, ICDs, and manufacturing drawings for production.
• Maintain records of iterations and compliance checks.

Skills

Electrical harness design

EMI/EMC

Spaceflight standards

Electrical CAD tools

Education

Bachelor’s or Master’s degree in Electrical/Aerospace Engineering

Tools

Altium

Rapid Harness

NX

Teamcenter

Job description

Apex is seeking an Avionics Harness Design Engineer to create, analyze, and verify electrical harnesses for spacecraft, satellites, and rovers. You will ensure designs meet spaceflight standards and survive harsh space environments while collaborating with systems, mechanical, and test teams.

You will develop wiring diagrams, select space-grade components, perform critical analyses, and generate documentation to support production and integration at our Playa Vista facility.