--- title: 'Senior Analyst Engineer - Thermal at AST SpaceMobile' canonical: 'https://feeny.ai/job/senior-analyst-engineer-thermal-ast-spacemobile-barcelona-zr1v5r8dj2k9' type: 'job' last_seen: '2026-10-24' --- # Senior Analyst Engineer - Thermal at AST SpaceMobile - **Company:** AST SpaceMobile - **Location:** Barcelona, Spain - **Posted:** 2026-10-21 - **Last confirmed live:** 2026-10-24 - **Apply:** https://ast-science.com/company/careers/?gh_jid=4745932005 ## 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 talented Senior Analyst Engineer to work in our satellite mechanical subsystem & payload team, with a focus on thermal analysis and on the reliability of electronic components (EEE parts), and a background in mechanical analysis, contributing to the design, analysis, specification, testing and validation of spacecraft hardware. The successful candidate will be innovative, creative, and challenge the status quo. He or she will work well in teams while also having the ability to lead analysis activities and to work assignments autonomously. Key Responsibilities: - Lead the thermal analysis of satellite subsystems and payload: build and maintain thermal mathematical models, and perform steady-state and transient analyses for orbital and test environments. - Perform reliability analysis of electronic components: component rating and derating margin calculations according to ECSS standards (e.g. ECSS-Q-ST-30-11), using thermal analysis results for junction/case temperatures, and reliability predictions as required. - Support thermal design and engineering trade-offs, defining thermal requirements, interfaces, materials and thermal control solutions together with the mechanical and electrical teams. - Support thermal vacuum (TVAC) testing: test definition, predictions, and correlation of thermal models with test results. - Perform structural and thermo-elastic analyses (static, modal, random vibration, shock, thermal distortion/stress) to support mechanical design decisions. - Prepare and maintain analysis reports and documentation demonstrating compliance with requirements, and technical support to AIT activities. ## Qualifications Education: - Bachelor's degree in Mechanical, Aerospace or related technical field. - Higher degree is preferred. Experience: - At least 5 years of hands-on experience in thermal analysis of spacecraft subsystems and payload and/or other equivalent applications. Preferred Qualifications: - Demonstrated experience with thermal analysis tools (e.g. Ansys Workbench, Thermal Desktop, ESATAN-TMS or equivalent). - Demonstrated experience in reliability of electronic (EEE) components, including rating and derating margin calculations according to ECSS standards (e.g. ECSS-Q-ST-30-11 and related dependability standards). - Knowledge of failure analysis methods (FMECA/FMEA), reliability prediction and EEE parts selection for space applications. - Background in mechanical analysis (FEM) using standard tools (e.g. Ansys Workbench, Patran, Hypermesh, Nastran, Abaqus) and classical structural analysis methods. - Knowledge of thermal control hardware and thermal testing. Soft Skills: - Demonstrated ability to work in a multidisciplinary team with other engineers. - Flexibility/adaptability in a fast-paced & dynamic environment. - Fluent English written and verbal communication skills. Technology Stack: - Ansys Workbench. - Thermal Desktop. - ESATAN-TMS. - FEM analysis tools. - Patran. - Hypermesh. - Nastran. - Abaqus. Physical Requirements - Ability to work in a standard office environment and use a computer for extended periods. - Ability to work on-site at the Barcelona office. 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) ## Other roles at AST SpaceMobile - [Program Manager](https://feeny.ai/job/program-manager-ast-spacemobile-dallas-ch2xvrjxj0tr) — Dallas, TX - [TPM](https://feeny.ai/job/tpm-ast-spacemobile-dallas-srhgtqma1epb) — Dallas, TX - [Director, Delivery Excellence](https://feeny.ai/job/director-delivery-excellence-ast-spacemobile-dallas-07dbmdkye70a) — Dallas, TX - [GNOC Engineer](https://feeny.ai/job/gnoc-engineer-ast-spacemobile-buenos-aires-28fmayfzqem9) — Buenos Aires, Argentina - [Senior Director, Device Validation](https://feeny.ai/job/senior-director-device-validation-ast-spacemobile-dallas-v7np5p7a39md) — Dallas, TX - [Junior Mechanical Engineer - Jig Design and Tooling](https://feeny.ai/job/junior-mechanical-engineer-jig-design-and-tooling-ast-spacemobile-barcelona-z7fmqfwemz0b) — Barcelona, Spain - [Quality Inspector II ,4th Shift, Site 2](https://feeny.ai/job/quality-inspector-ii-4th-shift-site-2-ast-spacemobile-midland-hdm5sev4ymfx) — Midland, TX - [Quality Inspector II, 2nd Shift, Site 2](https://feeny.ai/job/quality-inspector-ii-2nd-shift-site-2-ast-spacemobile-midland-ajkfx8qa0f21) — Midland, TX - [Senior Principal Systems Engineer](https://feeny.ai/job/senior-principal-systems-engineer-ast-spacemobile-lanham-p7zw453w5egs) — Lanham, MD - [Principal Systems Engineer](https://feeny.ai/job/principal-systems-engineer-ast-spacemobile-titusville-ky29gew1k1g5) — Titusville, FL