Sr. Propulsion Technician

Careers - AST SpaceMobile

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Homestead, Florida, US Until 8/23/2026 First posted October 18, 2025 Last posted October 18, 2025
Job description

AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today’s five billion mobile subscribers and finally bring broadband to the billions who remain unconnected.

Job Description:

The successful Propulsion Technician will work satellite propulsion assembly & testing including production, work instructions, and non-conformance reporting. They will also support the propulsion engineering team for activities related to the propulsion system production and performance.

The successful candidate will be innovative, creative, and challenge the status quo. They will work well in teams while also having the ability to lead a small team and to work assignments autonomously.

Responsibilities:

  • Execute the design, analysis, or evaluation of assigned projects using sound engineering principles and adhering to business standards, practices, procedures, and program requirements.
  • Perform propulsion system assembly, test, and quality control tasks utilizing work instructions and detailed test procedures.
  • Develop and maintain propulsion assembly documentation at the subassembly level: assembly reports, non-conformance reports, test procedures and setups, tooling, and manufacturing drawings.
  • Maintain test and inventory databases for all propulsion production related activities.
  • Troubleshoot and assist investigations for component anomalies and failures, root-cause analysis, and disposition.
  • Develop reference performance test plans and procedures, identify hardware needs, design of test set-ups.
  • Technical support for production and testing of satellite propulsion systems.
  • Work with the spacecraft team to support the validation of requirements, development of the test architecture, implementation of the production work instructions, and test verification of the propulsion subsystem for a spacecraft.
  • Establish strong working relationships within the spacecraft subsystem leads and with the system engineering team, integration and test team, and peers for the other spacecraft subsystems.
  • Generate verification and validation plans, and work with Integration and Test team to ensure the subsystem meets requirements.
  • Understand component interfaces.
  • Prepare and give presentations to peers, management and customers.
  • Maintain a regular and predictable work schedule.
  • Perform other duties as necessary.

Qualifications

  • Minimum 4 years of hands-on experience in electric propulsion assembly and testing.
  • Bachelor's degree in Aerospace Engineering or related technical field.
  • Strong background in space propulsion assembly, operation, and/or testing, specifically with respect to executing work instructions and test procedures.
  • Demonstrated ability to work in a multidisciplinary team with other engineers
  • Flexibility/adaptability in a fast-paced & dynamic environment
  • Excellent English written and verbal communication skills

This job description may not be inclusive to the duties and responsibilities listed. Additional tasks may be assigned to the employee from time to time or the scope of the job may change as needed by business demands. 

AST SpaceMobile is an Equal Opportunity, at will Employer; employment is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

About this role

Summary

Perform satellite propulsion assembly, testing, troubleshooting, and support engineering activities.

Job title

Sr. Propulsion Technician

Experience level

4+ years

Industry

aerospace

Location requirements

Homestead, Florida, US; on-site work only

Salary

Not specified

Management role

No

Skills & keywords

Required skills

electric propulsionassemblytestingtest proceduresroot-cause analysis

Preferred skills

None specified

Specializations

space propulsionassemblytestingelectric propulsion
Locations

Structured locations inferred from the posting.

Homestead, FL, USA

On-site City