---
title: 'Environmental Test Engineer-Weekend Day Shift at AST SpaceMobile'
canonical: 'https://feeny.ai/job/environmental-test-engineer-weekend-day-shift-ast-spacemobile-midland-texas-bzjge9anqg2w'
type: 'job'
last_seen: '2026-09-12'
---

# Environmental Test Engineer-Weekend Day Shift at AST SpaceMobile

- **Company:** AST SpaceMobile
- **Location:** Midland Texas, United States
- **Posted:** 2026-05-12
- **Last confirmed live:** 2026-09-12
- **Apply:** https://ast-science.com/company/careers/?gh_jid=4694727005

## 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.

Position Overview

We are seeking a capable and energetic Environmental Test Engineer to validate our satellite’s ability to survive the harsh conditions of launch and Low Earth Orbit (LEO). In this role, you will be responsible for the end-to-end planning, coordination, and execution of critical test campaigns. You will work closely with systems, mechanical, and electrical engineering teams to ensure mission readiness. The ideal candidate thrives in a fast-paced, dynamic environment and demonstrates strong ownership over their work, making a direct impact on the success of our rapidly growing business.

This position is assigned to Shift 3- Weekends: Friday–Sunday, 6:00 a.m.–6:00 p.m. (3x12s) 20% pay premium

Depending on business needs, this role may also have opportunities on:

- Shift 1- Days: Monday–Thursday, 7:30 a.m.–5:30 p.m. (4x10s).
- Shift 2-Nights: Monday–Thursday, 6:00 p.m.–4:00 a.m. (4x10s) 10% pay premium.
- Shift 4- Weekend Nights: Friday- Sunday 6:00 pm – 6:00 am (3x12s) 25% pay premium

Key Responsibilities:

- Perform Thermal Vacuum (TVAC), vibration, and shock testing on components, subsystems, and fully assembled satellites.
- Coordinate logistics and scheduling with internal engineering teams and external test facilities.
- Work with and oversee environmental test vendors during off-site testing campaigns.
- Support test article instrumentation (e.g., thermocouples, accelerometers, strain gauges) and data acquisition system setup.
- Analyze test data, interpret results, and provide actionable feedback to design and manufacturing groups.
- Own, operate, and maintain internal environmental test infrastructure, ensuring compliance with safety protocols.
- Lead root cause analysis and drive the resolution of test anomalies and failures.
- Contribute to the continuous improvement of test processes, procedures, and documentation.
- Serve as the subject-matter expert on environmental test equipment and methodologies.

## Qualifications

Education:

Bachelor’s degree in mechanical engineering, aerospace engineering, or a related technical field.

Experience:

- A minimum of 3 years of direct, hands-on experience in environmental testing of aerospace, defense, or other high-reliability systems.
- Working knowledge of relevant environmental test standards (e.g., NASA GEVS, MIL-STD-810).
- Demonstrated proficiency with TVAC chambers and vibration tables (sine/random).
- Ability to read and interpret mechanical drawings, electrical schematics, and technical specifications.
- Excellent mathematical, analytical, and problem-solving skills.
- Hands-on experience with test instrumentation and data acquisition systems.

Preferred Qualifications:

- Direct experience with environmental testing of satellites or spacecraft.
- In-depth knowledge of aerospace materials and their behavior in vacuum, thermal, and vibrational environments.

Soft Skills:

- A proactive and accountable approach to managing projects from planning to completion.
- The ability to thrive and prioritize effectively in a fast-paced, dynamic R&D and manufacturing environment.
- Strong interpersonal skills to work effectively with cross-functional engineering teams and external vendors.
- A methodical and analytical mindset for troubleshooting complex test anomalies.
- Clear and concise written and verbal communication skills for reporting results and documenting processes.

Technology Stack:

- NASA GEVS, MIL-STD-810
- TVAC Chambers, Electrodynamic Shakers (Vibration Tables), Shock Test Systems, Data Acquisition (DAQ) Hardware
- Accelerometers, Thermocouples, Strain Gauges, Force Sensors
- Data Analysis Software (e.g., MATLAB, Python - NumPy/SciPy), DAQ Control Software (e.g., LabVIEW, Dewesoft, m+p Analyzer)

Physical Requirements

- Ability to stand and walk for extended periods in a lab environment.
- Must be able to lift and carry test equipment and components up to 40 pounds.
- Manual dexterity required to handle and install sensitive instrumentation and cabling.
- Ability to work in an environment with moderate noise levels from test equipment.
- Visual acuity to read schematics and inspect small components.
- May require occasional travel to external test facilities.

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 AST SpaceMobile

## Company Overview
- **One-liner**: AST SpaceMobile is building the first and only space-based cellular broadband network accessible directly by standard, unmodified smartphones.
- **Entity Type**: Public (Nasdaq: ASTS)
- **Headquarters**: Midland, Texas, USA
- **Founded**: 2017
- **Founders**: Abel Avellan

## Core Business
- **Primary industry**: Space-based telecommunications / Satellite broadband
- **Target customers**: B2B (mobile network operators), B2C (indirectly through MNOs), and government/defense agencies
- **Mission**: To eliminate connectivity gaps faced by today’s nearly six billion mobile subscribers and bring broadband to the billions who remain unconnected using a space-based cellular network.

## Products & Services
- **[SpaceMobile Network]**: A space-based cellular broadband network that delivers 4G/5G connectivity directly to standard smartphones without any hardware modifications, apps, or software updates.
- **[BlueBird Satellites]**: The company’s commercial satellite constellation, designed to provide full broadband coverage globally. BlueBird satellites are among the largest commercial communications arrays in low Earth orbit.
- **[BlueWalker 3]**: The prototype satellite used to demonstrate world-first voice, 5G, and video calls from space to ordinary phones.
- **[Government & Defense Solutions]**: Tailored connectivity for tactical and public safety applications (e.g., FirstNet tests, government contracts).

## Market Standing
- **Valuation/Market Cap**: Market capitalization exceeded $8 billion as of August 2024 (stock price ~$38.60). More recent figures are not publicly available but the company has raised over $2 billion as of Q2 2025.
- **Key Metric (Total Funding)**: Over $2 billion raised (debt and equity) as of Q2 2025.
- **Notable Investors/Partners**: Vodafone, Rakuten, American Tower, Samsung Next, Cisneros, Google (product partnership), AT&T, Verizon, FirstNet Authority.
- **Growth Signals**:
  - Partnerships with nearly 60 mobile network operators covering ~3 billion combined subscribers.
  - Successfully completed first VoLTE voice calls, video calls, and 5G data connections using standard smartphones via satellite.
  - First public safety tests on FirstNet (Jan 2024) and first activation for government defense use cases (June 2025).
  - Commercial contract with Vodafone through 2034 for Europe and Africa.
  - 578 employees as of 2024; expanding manufacturing and office footprint globally.

## Competitive Advantages
- **First-mover**: Only company offering direct-to-smartphone satellite broadband with no specialized hardware or software required.
- **Patent Moat**: Over 3,800 patents and pending claims protecting proprietary technology.
- **MNO Integration**: Deep partnerships with major global operators enable seamless integration with existing terrestrial networks.
- **Satellite Scale**: BlueBird satellites feature large phased-array antennas (BlueWalker 3 array is 693 sq ft), providing a field of view over 300,000 sq miles.

## Strategic Focus
- **Constellation Deployment**: Rapidly launching and operationalizing the BlueBird satellite fleet to start generating significant commercial revenue.
- **Global Coverage Expansion**: Targeting full service across multiple continents, with a focus on remote and underserved regions.
- **Government & Defense**: Broadening contracts for secure, tactical connectivity.
- **Technology Advancement**: Continued R&D on next-generation satellite capabilities and network optimization.

## Why Work Here
- **Culture**: Fast-growing company with a startup mindset; employees are encouraged to wear many hats and tackle meaningful challenges.
- **Global Presence**: Offices in Midland (TX), Homestead (FL), Miami (FL), Lanham (MD), Tel Aviv, Barcelona, Edinburgh, Hyderabad, and other locations.
- **Impact**: Opportunity to work on a historic transformation in global connectivity, directly connecting billions of people.
- **Perks & Environment**: Nearly 500,000 sq ft of manufacturing and office facilities; emphasis on innovation, autonomy, and cross-disciplinary collaboration.
- **Career Growth**: Open positions listed on Greenhouse; values proactive, passionate innovators.

## Sources
1. [AST SpaceMobile Official Website](https://ast-science.com)
2. [AST SpaceMobile Company Page](https://ast-science.com/company/)
3. [AST SpaceMobile Careers Page](https://ast-science.com/company/careers/)
4. [AST SpaceMobile Investor Relations](https://investors.ast-science.com/)
5. [Wikipedia – AST SpaceMobile](https://en.wikipedia.org/wiki/AST_SpaceMobile)

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