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Propulsion Test Technician IV Verified today

Relativity Space · Stennis Space Center, MS · Propulsion · first seen 2026-07-21

About the Role

As a Propulsion Test Technician IV, you will lead highly complex technical work supporting propulsion test facilities and engine testing operations. This role serves as a technical resource for challenging maintenance, troubleshooting, and system integration activities while supporting continuous improvement of test operations and facilities.

Responsibilities

  • Lead installation, maintenance, troubleshooting, and repair activities involving propulsion test systems and facility infrastructure.
  • Resolve complex system issues involving mechanical, fluid, instrumentation, and control systems.
  • Coordinate technical execution of major facility modifications and test stand upgrades.
  • Support planning, commissioning, and operational readiness of new test facilities.
  • Develop and improve maintenance procedures, work instructions, and operational documentation.
  • Collaborate with engineering teams to support system improvements and failure investigations.
  • Provide technical guidance for complex maintenance and troubleshooting activities.
  • Recommend improvements that enhance safety, reliability, maintainability, and operational efficiency.
  • Support evaluation of equipment performance and implementation of corrective actions.

About You

Experience supporting complex propulsion testing, industrial maintenance, instrumentation, controls, mechanical systems, or related technical operations.

Ability to:

  • Lead complex troubleshooting and maintenance activities.
  • Evaluate equipment performance and recommend corrective actions.
  • Develop or improve technical procedures and maintenance practices.
  • Coordinate technical activities across multiple work groups.
  • Communicate technical information with engineers, technicians, and operations personnel.

Mechanical Focus

  • Experience with installation, troubleshooting, and maintenance of complex propulsion fluid systems and mechanical equipment.

Instrumentation Focus

  • Experience with installation, troubleshooting, calibration, and maintenance of instrumentation, sensors, data acquisition systems, and control hardware.

Nice to Have

  • Experience supporting new facility commissioning or major system integration projects.
  • Experience supporting continuous improvement initiatives involving test operations.

Physical Requirements

  • Lift a minimum of 50 lbs. unassisted.
  • Stand for extended periods.
  • Stoop, bend, crawl, and work in confined spaces.
  • Work occasional night shifts and travel as required.

Clearance

Successful candidates must clear a background check administered by the US government to obtain clearance for on-site work at our government partner location in Stennis, Mississippi.

Compensation

Hiring range: $40.40-$55.55 USD per hour. Actual compensation will be determined based on experience, qualifications, and other job-related factors. Relativity Space offers competitive salary and equity, generous PTO and sick leave policy, parental leave, and an annual learning and development stipend.

Propulsion Test Technician IV at Relativity Space | Flight Proven Space