Senior Avionics Ground Test Systems Engineer

Relativity Space, Inc.; Long Beach (CA); On-site; USD 148,000 - 222,000; Full time

Benefits offered by this job

Equity

Generous PTO and sick leave

Parental leave

Learning stipend

Job summary

Relativity Space in Long Beach, CA, is seeking a Sr Avionics Test Systems Engineer, Ground Systems to lead the design, deployment, and integration of critical ground systems supporting engine test, vehicle integration, and launch operations. You will work cross‑functionally across avionics, propulsion, software, and test teams to deliver robust, scalable systems on tight timelines.

The role emphasizes hands‑on design and ownership of electrical and mechanical ground interfaces, with

Qualifications

• BS/MS/PhD in Electrical Engineering, Computer Engineering, Mechanical Engineering, Aerospace Engineering, or related field.
• 5+ years of hands-on experience designing and deploying test systems or electrical integration systems in aerospace or high-reliability environments.
• Strong knowledge of electrical signal integrity, grounding schemes, shielding, and power systems.
• Hands-on experience designing, building, and commissioning electromechanical ground systems.
• Familiarity with data acquisition and control system platforms such as NI, Beckhoff, or similar.

Responsibilities

• Lead 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 tight alignment between electrical ground support equipment and flight/avionics hardware.
• Work closely with safety, operations, and launch teams to ensure systems are compliant and operable under high‑stakes conditions.

Skills

Electrical design

Test systems

Ground systems

Signal integrity

Electromechanical

ICD documentation

Education

BS/MS/PhD in Electrical/Computer/Mechanical/Aerospace Engineering

Tools

NI

Beckhoff

NX

Teamcenter

Zuken

Altium Designer

Job description

Relativity Space in Long Beach, CA, is seeking a Sr Avionics Test Systems Engineer, Ground Systems to lead the design, deployment, and integration of critical ground systems supporting engine test, vehicle integration, and launch operations. You will work cross‑functionally across avionics, propulsion, software, and test teams to deliver robust, scalable systems on tight timelines.

The role emphasizes hands‑on design and ownership of electrical and mechanical ground interfaces, with