Avionics Ground Systems Test Engineer for Launch

Relativity Space; Long Beach (CA); On-site; USD 106,000 - 160,000; Full time

Job summary

Relativity Space is seeking an Avionics Test System Engineer, Ground Systems to design and deploy robust ground support that interfaces with flight hardware. You’ll lead development for electrical and mechanical test systems used in vehicle integration and launch, with high ownership and fast iteration.

You will collaborate with avionics, propulsion, software, and test teams to ensure reliability, safety, and operability. A strong background in test systems and NASA/AF standards is valuable.

Qualifications

• BS/MS/PhD in Electrical/Computer/Mechanical/Aerospace engineering or related field.
• 1+ years hands-on experience designing and deploying test systems in aerospace or high-reliability environments.
• Strong knowledge of electrical signal integrity, grounding, shielding, and power systems.
• Hands-on experience designing, building, and commissioning electromechanical ground systems.
• Familiarity with Ethernet, RS-422, CAN, MIL-STD-1553 and ground systems standards (ASME, API, NASA/AF).
• Familiarity with data acquisition and control platforms such as NI, Beckhoff, or similar.

Responsibilities

• Design, development, build, and integrate critical ground systems that support engine test, vehicle integration, and launch operations.
• Collaborate cross-functionally with vehicle, propulsion, avionics, software, test, and operations teams to deliver robust, scalable systems on tight timelines.
• Oversee fabrication, bring-up, and validation of test systems, including electrical testing, calibration, and functional checks.
• Author interface control documents (ICDs) and engineering release drawings to ensure alignment between electrical ground support equipment and flight/avionics hardware.
• Work with safety, operations, and launch teams to ensure systems are compliant and operable under high-stakes conditions.

Skills

Electrical grounding

Signal integrity

Electromechanical systems

Data acquisition & control

Communication protocols

Test system design

Education

EE/CE/ME/Aerospace BS/MS/PhD

Tools

NI

Beckhoff

NX

Job description

Relativity Space is seeking an Avionics Test System Engineer, Ground Systems to design and deploy robust ground support that interfaces with flight hardware. You’ll lead development for electrical and mechanical test systems used in vehicle integration and launch, with high ownership and fast iteration.

You will collaborate with avionics, propulsion, software, and test teams to ensure reliability, safety, and operability. A strong background in test systems and NASA/AF standards is valuable.