---
title: 'Sr. Spacecraft Vibration Test Engineer at AST SpaceMobile'
canonical: 'https://feeny.ai/job/sr-spacecraft-vibration-test-engineer-ast-spacemobile-midland-texas-a5qt9cnsqnnx'
type: 'job'
last_seen: '2026-09-26'
---

# Sr. Spacecraft Vibration Test Engineer at AST SpaceMobile

- **Company:** AST SpaceMobile
- **Location:** Midland Texas, United States
- **Posted:** 2026-09-23
- **Last confirmed live:** 2026-09-26
- **Apply:** https://ast-science.com/company/careers/?gh_jid=4736921005

## 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:

This position is based in Midland, Texas. The successful candidate will be a structural dynamics engineer with deep experience defining, directing and reporting on swept sine vibration testing of spacecraft.  This includes understanding how to specify test levels, instrumentation locations, and especially how to implement response and force limiting.  Understanding laboratory equipment used in this type of testing is mandatory.  Adjacent testing skills in random vibration, acoustic, and shock is valuable.  Some proficiency in Nastran analysis is desired.

AST is looking for talented professionals who are innovative, creative, and ready to challenge the status quo.  The successful candidate will have strong communication skills and be able to work independently on complex problems.

Responsibilities:

- Determine sine vibration base input levels and author sine vibration test plans
- Serve as Test Director for sine vibration testing; working with test lab personnel to ensure proper test runs are conducted in a timely manner
- Ability to work with existing team and learn current processes
- Report on testing, including preparing launch vehicle tailored summaries
- Prepare for test readiness by working across disciplines during the spacecraft integration
- Participate in material and failure review boards
- Compile lessons learned and lead continuous process improvement

Minimum Qualifications & Experience:

- BS degree in Mechanical Engineering or related technical field
- Minimum 6 years of hands-on experience in swept sine vibration of spacecraft:
- Test Planning and Instrumentation selection
- Test Readiness
- Test Level definition
- Data Validation
- Base Input Control
- Notching and Overshoots
- Test Reporting
- Demonstrated ability to work in a multidisciplinary team with other engineers.
- Flexibility/adaptability in a fast-paced environment.
- Excellent English written and verbal communication skills.
- Must be a US Person for ITAR requirements

Minimum Technical Skillset:

- Strong knowledge of MS Excel and Matlab
- SDOF system response to vibration and other closed form techniques
- Very strong competency in MS Office tools
- Familiarity with Vibration Control
- Understanding of Accelerometers & Data Acquisition practices
- Data Validation in with time and frequency domain signals

Preferred Additional Qualifications:

- MS degree preferred focused in structural dynamics or a related specialty
- Ability to code in any number of languages or toolset API to automate rudimentary tasks and improve efficiency
- Experience leading random vibration testing
- Experience leading acoustic testing
- Experience leading shock testing
- Knowledge of and experience with determining environmental test criteria
- Basic Finite Element Analysis in Nastran

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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