--- title: 'Principle Systems Engineering- Software at AST SpaceMobile' canonical: 'https://feeny.ai/job/principle-systems-engineering-software-ast-spacemobile-dallas-pppwznbatsef' type: 'job' last_seen: '2026-10-31' --- # Principle Systems Engineering- Software at AST SpaceMobile - **Company:** AST SpaceMobile - **Location:** Dallas, TX - **Posted:** 2026-10-29 - **Last confirmed live:** 2026-10-31 - **Apply:** https://ast-science.com/company/careers/?gh_jid=4745944005 ## 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 We’re looking for a Principal Systems Engineer - Software to lead the definition, decomposition, and management of software requirements across a complex communications platform. You’ll work at the intersection of software, networking, infrastructure, and systems engineering, turning high-level stakeholder needs into clear, testable, and traceable software requirements that engineering teams can successfully implement. This is a senior technical leadership role responsible for driving requirements excellence throughout the system lifecycle. You will partner closely with software, hardware, network, systems, and test engineering teams to ensure requirements are properly defined, reviewed, verified, validated, and maintained from concept through deployment. The ideal candidate brings deep systems engineering expertise, strong communications software knowledge, and a proven ability to lead the development of large-scale, highly integrated technical systems. ## Key Responsibilities - Lead development of software system requirements from stakeholder needs and system-level concepts through subsystem and component-level specifications - Define and maintain software requirements for communications software, networking functions, interfaces, and distributed system architectures - Develop and manage interface control documents (ICDs) between software elements, infrastructure components, external systems, and partner interfaces - Own requirements traceability from stakeholder needs through design, implementation, verification, validation, and operational acceptance - Lead requirements reviews and drive resolution of ambiguity, conflicts, risks, and gaps across engineering disciplines - Conduct system-level trade studies and technical analyses to support architecture and requirements decisions - Partner with software development and test teams to define verification strategies, acceptance criteria, and validation approaches - Support system integration activities, anomaly investigations, root-cause analysis, and requirements changes throughout the development lifecycle - Develop and maintain requirements management processes, standards, and best practices - Collaborate with internal and external stakeholders to ensure technical requirements align with business and operational objectives - Mentor engineers and promote strong systems engineering principles across the organization - Provide technical leadership on complex system architecture, integration, and requirements management initiatives ## Qualifications Education: - Bachelor’s degree in Systems Engineering, Electrical Engineering, Computer Engineering, Computer Science, Software Engineering, or a related technical field - Master’s degree in a related engineering discipline preferred Experience: - Minimum 10–15 years of professional engineering experience - Experience working as a Systems Engineer responsible for writing, managing, and maintaining requirements for complex technical systems - Experience supporting large-scale software development, systems integration, or communications-based platforms - Proven experience developing clear, concise, testable, and verifiable requirements - Experience working throughout the systems engineering lifecycle, including requirements analysis, design support, verification, validation, and deployment - Experience using requirements management, configuration management, and traceability processes in complex engineering environments Preferred Qualifications: - Experience within cellular telecommunications, wireless communications, networking, or related communications technologies - Familiarity with 4G LTE, 5G, radio access networks, core networks, IMS, or related telecommunications architectures - Knowledge of industry standards and specifications development processes - Experience supporting satellite communications, space systems, or non-terrestrial network architectures - Experience with Model-Based Systems Engineering (MBSE) - Experience using SysML, Cameo, or similar MBSE tools - Background in software development using languages such as C, C++, Python, or similar technologies - Experience with Linux-based embedded, distributed, or networked systems - Experience supporting highly regulated, mission-critical, safety-critical, or high-reliability environments - INCOSE CSEP, ESEP, or similar systems engineering certifications Soft Skills: - Excellent written and verbal communication skills - Strong interpersonal and relationship-building abilities - Proven ability to collaborate effectively across cross-functional engineering teams - Strong analytical and critical-thinking skills - Exceptional attention to detail and documentation quality - Ability to influence technical decisions without direct authority - Strong problem-solving and decision-making abilities - Ability to manage competing priorities and complex technical initiatives - Self-motivated with a proactive and continuous improvement mindset - Strong mentoring and leadership capabilities Technology Stack: - DOORS - Jama - Polarion - Jira - SysML - Cameo - Requirements management and traceability platforms - Configuration management and change control systems - C and C++ - Python - Linux-based systems - Communications networking technologies - Microsoft Office Suite - Engineering collaboration and documentation platforms Physical Requirements - Ability to work in a standard office environment and use a computer for extended periods - Ability to review technical documentation, requirements specifications, architecture diagrams, and verification artifacts - Ability to participate in technical reviews, requirements reviews, design reviews, and cross-functional collaboration sessions - Ability to remain stationary for extended periods while performing systems engineering and documentation activities - May require occasional travel to support engineering reviews, integration activities, or stakeholder engagements 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 - [Radiation Assurance Engineer](https://feeny.ai/job/radiation-assurance-engineer-ast-spacemobile-barcelona-mwqddbmbpcaa) — Barcelona, Spain - [Data Engineer](https://feeny.ai/job/data-engineer-ast-spacemobile-riga-a4106z5k9fv4) — Riga, Latvia - [Sr. Principal Device Validation Engineer](https://feeny.ai/job/sr-principal-device-validation-engineer-ast-spacemobile-dallas-e3rfdes9enr0) — Dallas, TX - [Executive Administrative Assistant](https://feeny.ai/job/executive-administrative-assistant-ast-spacemobile-miami-f4hp8kdc3hw7) — Miami, FL - [Assoc Electrical Software Test Engr Part Time](https://feeny.ai/job/assoc-electrical-software-test-engr-part-time-ast-spacemobile-lanham-5tc3ttjrbxz0) — Lanham, MD - [Senior Director, Program Delivery](https://feeny.ai/job/senior-director-program-delivery-ast-spacemobile-dallas-a86x62ftrfzx) — Dallas, TX - [Director, Technical Project Delivery](https://feeny.ai/job/director-technical-project-delivery-ast-spacemobile-dallas-ck7aqrrxrjvg) — Dallas, TX - [RF Test Engineer](https://feeny.ai/job/rf-test-engineer-ast-spacemobile-midland-vgd3xgxtw9rq) — Midland, TX - [Principal Gateway Engineer](https://feeny.ai/job/principal-gateway-engineer-ast-spacemobile-dallas-ssbaxscfm2pw) — Dallas, TX - [Principal RF Engineer](https://feeny.ai/job/principal-rf-engineer-ast-spacemobile-dallas-wpnwb2kxrsje) — Dallas, TX