Senior Quality Inspector – Propulsion Systems & Thrusters

AST & Science, LLC; Homestead (FL); On-site; USD 90,000 - 120,000; Full time

Job summary

AST SpaceMobile is seeking a Senior Quality Inspector to perform advanced inspections across propulsion and thruster components, ensuring conformance to engineering drawings, AS9100, ISO, and customer requirements. You will use precision tools, document results, and support continuous improvement on the production line.

You will mentor junior inspectors, analyze nonconformances, contribute to root cause investigations, and help maintain MES/QMS records to guarantee reliability and safety for

Qualifications

• Associate’s or Bachelor’s degree in Mechanical, Aerospace, or Manufacturing Engineering (preferred) or equivalent experience.
• 7+ years of experience in aerospace or space hardware quality inspection, with at least 3 years in propulsion or thruster systems.
• Strong knowledge of aerospace quality standards (AS9100, ISO 9001, ECSS, NASA, or equivalent).

Responsibilities

• Inspect propulsion system components, thrusters, subassemblies, and final assemblies using precision tools.
• Verify conformance to engineering drawings, specifications, and acceptance criteria.
• Review inspection documentation, test data, and quality records for accuracy.
• Identify nonconformances and assist in root cause analysis and corrective actions.
• Train and mentor junior inspectors and technicians on quality standards.

Skills

Attention to detail

Analytical skills

Problem-solving

Communication

Cross-functional collaboration

Education

Bachelor’s degree in Mechanical/Aerospace/Manufacturing Engineering

Tools

Micrometers

Calipers

CMM

Borescopes

Electrical test equipment

Job description

AST SpaceMobile and our global partners are building the first and only space-based cellular broadband network to be accessible by standard smartphones. Called SpaceMobile, this ultra-powerful network is being designed to provide connectivity at 4G/5G speeds everywhere on the planet – on land, at sea and in flight.

Position Overview

The Senior Quality Inspector is responsible for performing advanced quality inspections, ensuring compliance with aerospace standards, customer specifications, and internal processes within the propulsion system and thruster production line. This role plays a critical part in guaranteeing product reliability, safety, and performance for space applications, while mentoring junior inspectors and supporting continuous improvement in quality control.

Key Responsibilities

• Inspection & Verification
  • Perform detailed inspections on propulsion system components, thrusters, subassemblies, and final assemblies using precision measurement tools and test equipment.
  • Verify conformance to engineering drawings, specifications, work instructions, and acceptance criteria.
  • Conduct in-process, first-article, and final inspections, including mechanical, electrical, and dimensional checks.
• Documentation & Compliance
  • Review and validate inspection documentation, test data, and quality records for accuracy and completeness.
  • Ensure compliance with AS9100, ISO, and customer-specific quality requirements.
  • Maintain detailed records in Manufacturing Execution Systems (MES) and Quality Management Systems (QMS).
• Problem-Solving & Nonconformance
  • Identify, document, and escalation nonconformances and deviations; assist in root cause analysis and corrective/preventive actions.
  • Collaborate with engineering and production teams to resolve quality issues efficiently.
• Leadership & Mentorship
  • Train and mentor junior inspectors and technicians on quality standards, inspection techniques, and industry best practices.
  • Act as a subject matter expert in propulsion and thruster product quality.
• Continuous Improvement
  • Recommend process and inspection improvements to enhance quality, reliability, and efficiency.
  • Support audits, process reviews, and qualification campaigns for propulsion components.

Qualifications

• Education & Experience
  • Associate’s or Bachelor’s degree in Mechanical, Aerospace, or Manufacturing Engineering (preferred) or equivalent experience.
  • 7+ years of experience in aerospace or space hardware quality inspection, with at least 3 years in propulsion or thruster systems.
  • Strong knowledge of aerospace quality standards (AS9100, ISO 9001, ECSS, NASA, or equivalent).
• Technical Skills
  • Proficient in using precision measurement instruments (micrometers, calipers, CMM, borescopes, electrical test equipment).
  • Ability to interpret complex engineering drawings, GD&T, specifications, and schematics.
  • Familiarity with propulsion system components: valves, tanks, igniters, thruster assemblies, and propellant feed systems.
  • Strong understanding of cleanroom protocols and contamination control requirements.
• Soft Skills
  • High attention to detail, strong analytical skills, and problem-solving ability.
  • Effective communication skills for cross-functional collaboration.
  • Ability to lead, mentor, and support a culture of quality and accountability.

Preferred Certifications

• IPC-A-610 / IPC-A-620 (Acceptability of Electronic and Cable Assemblies)
• GD&T certification (ASME Y14.5)
• ASQ Certified Quality Inspector (CQI) or Certified Quality Technician (CQT)

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.