AST SpaceMobile · 1 month ago
Environmental Test Engineer
Homestead, Florida, United States
Full-time
Onsite
Mid Level
3+ years expAST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices. The Environmental Test Engineer is responsible for planning, executing, and documenting mechanical and thermal-vacuum tests to verify the environmental durability of spacecraft components, ensuring test campaigns meet customer and program requirements.
Information TechnologySatellite CommunicationTelecommunications
Responsibilities
Develop and execute test plans and procedures for vibration (sine, random, shock) and thermal vacuum (TVAC) testing
Set up, calibrate, and operate test equipment including shakers, thermal chambers, vacuum chambers, and data acquisition systems
Collaborate with design, manufacturing, and systems engineering teams to define environmental test requirements
Perform real-time test monitoring and troubleshooting to ensure successful completion of test campaigns
Ensure all testing complies with relevant standards (e.g., MIL-STD-1540, NASA GEVS, ECSS)
Coordinate with technicians to configure test setups, instrumentation, and test article fixturing
Lead or support root cause investigations for test anomalies or failures
Generate detailed test reports including data analysis, plots, and pass/fail criteria
Maintain equipment and ensure test facilities meet operational readiness
Participate in continuous improvement activities to enhance test efficiency, safety, and reliability
Qualification
Required
Bachelor's degree in Mechanical Engineering, Aerospace Engineering, or related field
3+ years of experience in environmental testing, preferably in aerospace or defense
Hands-on experience with electrodynamic shakers, TVAC chambers, accelerometers, thermal sensors, and DAQ systems
Strong knowledge of vibration and thermal environments relevant to spaceflight hardware
Familiarity with instrumentation setup, calibration, and data analysis
Ability to work in cleanroom environments and follow contamination control procedures
Excellent written and verbal communication skills
Strong analytical and problem-solving abilities
Preferred
Experience with software such as LabVIEW, TestStand, MATLAB, or Python for test automation and data analysis
Experience supporting launch vehicle or satellite environmental qualification campaigns
Knowledge of industry standards: MIL-STD-810, MIL-STD-1540, ECSS-E-ST-10-03C, etc
Familiarity with thermal modeling and simulation tools
Company
AST SpaceMobile
AST SpaceMobile is a space-based broadband cellular network company for unmodified mobile devices.
501-1000 employees
H1B Sponsorship
AST SpaceMobile has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (8)
2023 (2)
Funding
Current Stage
Public CompanyTotal Funding
$3.92BKey Investors
Trinity CapitalAtlas Credit Partners
2025-10-22Post Ipo Equity· $157.22M
2025-10-21Post Ipo Debt· $1.15B
2025-10-07Post Ipo Equity· $800M
Leadership Team
Shanti Gupta
Executive Vice President, Chief Operating Officer
Andrew Johnson
Member Board of Directors
Recent News
2026-01-13
The Motley Fool
2026-01-12
Company data provided by crunchbase