Environmental Test Engineer

AST SpaceMobile is pioneering the first and only global cellular broadband network in space, enabling direct operation with standard, unmodified mobile devices. Our unique intellectual property and robust patent portfolio are tailored for both commercial and governmental applications. Our dedicated engineers and space scientists are committed to closing the connectivity divide experienced by the five billion mobile subscribers today, striving to deliver broadband to the billions still lacking access.Position Overview:The Associate Electrical Test Engineer is entrusted with the design and implementation of comprehensive tests aimed at ensuring the quality of our cutting-edge products. This role involves analyzing product features, determining testing requirements, crafting personalized quality checks, and preparing detailed final test procedures for review by the sub-system lead engineer. The engineer will execute these test procedures and compile thorough test reports. A broad understanding of engineering and product design, along with strong attention to detail and innovative thinking, are essential for success in this position.Key Responsibilities:Collaborate with the product design team and sub-system lead engineers to establish product testing criteria.Draft test plans and procedures, and advance testing processes to full maturity.Carry out the execution of testing protocols.Train technical personnel and provide technical assistance as needed.Develop, assess, and integrate automation into testing processes wherever feasible.Ensure all tests and procedures adhere to company and industry standards.Compile test reports for management review.Offer subject-matter expertise on testing equipment and methodologies to product engineering teams.

AST SpaceMobile is pioneering the world’s first global cellular broadband network in space, designed to seamlessly connect with standard, unmodified mobile devices. Our extensive portfolio of intellectual property and patents is tailored for both commercial and governmental applications. We are committed to bridging the connectivity gap for the five billion mobile subscribers today and bringing broadband access to billions more who are currently unconnected.Position Overview:The Electrical and Electronics Test Technician plays a crucial role in ensuring the functionality, reliability, and compliance of electrical and electronic systems. This position involves conducting a variety of testing processes to verify that products adhere to design specifications and quality standards.

AST SpaceMobile is pioneering the world's first and only global cellular broadband network in space, designed to directly connect with standard, unmodified mobile devices. Our extensive portfolio of intellectual property and patents supports both commercial and government applications. Our dedicated team of engineers and space scientists is committed to closing the connectivity gap for the five billion mobile subscribers worldwide, while also extending broadband access to billions who are currently unconnected.Position OverviewThe Test Engineer is tasked with the development and execution of test strategies aimed at validating the performance, reliability, and quality of spacecraft subsystems and associated hardware.This role requires close collaboration with product design teams and subsystem engineers to establish test parameters, formulate test plans, and enforce quality assurance processes. The Test Engineer will design and implement test campaigns, analyze results, and generate comprehensive reports to ensure compliance with engineering requirements and industry standards before integration and deployment.This position operates on Shift 2, a night shift from Monday to Thursday, 6:00 p.m. to 4:30 a.m. (4x10 schedule).

AST SpaceMobile is pioneering the development of the world's first and only global cellular broadband network in space, enabling direct operation with standard, unmodified mobile devices. With a rich portfolio of intellectual property and patents, our innovative solutions cater to both commercial and government needs. Our dedicated engineers and space scientists are committed to bridging the connectivity divide faced by five billion mobile subscribers and extending broadband access to the billions still unconnected.Position OverviewWe are looking for a passionate Associate Electrical Engineer to become an integral part of our dynamic team. In this role, you will collaborate closely with senior engineers to design and test electrical harnesses for satellites and the corresponding ground support equipment. The ideal candidate is meticulous, a team player, and enthusiastic about contributing to groundbreaking aerospace initiatives.

At AST SpaceMobile, we are pioneering the first and only global cellular broadband network in space, designed to function directly with standard, unmodified mobile devices. Our innovative approach leverages our extensive intellectual property and patent portfolio, catering to both commercial and government sectors. Our dedicated team of engineers and space scientists is committed to bridging the connectivity gaps faced by five billion mobile subscribers, and ultimately providing broadband access to the billions who remain unconnected.Position OverviewThe Senior RF Integration & Test Engineer will manage the entire testing lifecycle for satellite TT&C and GNSS subsystems. This multifaceted role spans both the RF development laboratory and the spacecraft integration cleanroom, where you will define and execute RF test campaigns from early technology validation through to flight hardware integration and environmental qualification.Your responsibilities will include validating satellite test procedures, developing and verifying automated test software, and executing test campaigns that guarantee the reliable performance of spacecraft RF systems from the factory floor to orbit. This critical position ensures ground system compatibility and supports mission success through In-Orbit Testing (IOT) and satellite commissioning.

AST SpaceMobile is pioneering the establishment of the first and only global cellular broadband network in space, designed to work seamlessly with standard, unmodified mobile devices. Our innovative solutions are supported by a robust portfolio of intellectual property and patents, catering to both commercial and government sectors. Our dedicated team of engineers and space scientists is committed to bridging the connectivity divide for the five billion mobile subscribers currently in service and extending broadband access to the billions who remain unconnected.Position OverviewThe Solar Panel Electrical and Power Systems Engineering Intern will play a vital role in supporting the design, fabrication, and production of photovoltaic (PV) solar arrays utilized in satellite and aerospace applications. This internship offers practical, hands-on experience in flight hardware manufacturing, assisting engineers and technicians with process development, panel assembly, and optimizing production workflows. The selected intern will contribute to enhancing the reliability, efficiency, and manufacturability of space-rated solar array systems crucial for powering mission-critical spacecraft.This internship is scheduled from May 18, 2026, to August 7, 2026, at our Midland, TX facility. Candidates must be enrolled in the upcoming semester. Recent graduates are encouraged to apply for our full-time positions.

At AST SpaceMobile, we are pioneering the first and only global cellular broadband network in space. Our technology enables direct operation with standard, unmodified mobile devices, leveraging our extensive intellectual property and patent portfolio tailored for both commercial and government applications. Our dedicated team of engineers and space scientists is committed to bridging the connectivity gaps faced by over five billion mobile subscribers and bringing broadband access to the billions who remain unconnected.Position OverviewThe Weekend Test Engineer plays a pivotal role in developing and executing comprehensive test strategies aimed at validating the performance, reliability, and quality of spacecraft subsystems and supporting hardware.This position collaborates closely with product design teams and subsystem engineers to define testing parameters, develop detailed test plans, and implement robust quality assurance procedures. The Test Engineer will design and execute test campaigns, analyze results, and generate detailed reports to confirm that systems meet engineering specifications and industry standards prior to integration and deployment.This role operates on a weekend day shift, working Friday through Sunday from 6:00 a.m. to 6:00 p.m. (3x12 schedule).

AST SpaceMobile is pioneering the world’s first global cellular broadband network in space, designed to interface seamlessly with standard, unmodified mobile devices. Our extensive intellectual property and patent portfolio supports both commercial and government applications. Our dedicated engineers and space scientists strive to bridge the connectivity divide faced by over five billion mobile subscribers, ultimately aiming to provide broadband access to billions who remain unconnected.Position OverviewThe Engineering Development Program (EDP) is tailored for outstanding recent graduates eager to embark on a career as spacecraft engineers, starting with a deep understanding of satellite construction.Participants will kick off their careers directly on the spacecraft production floor as Engineering Technicians focused on Environmental Test Operations. This role offers invaluable hands-on experience in integrating and testing subsystems and satellites, ensuring the qualification and validation of AST SpaceMobile’s satellite systems.As participants showcase their technical skills and leadership potential, they will advance through a structured career development pathway:Engineering Technician → Engineering Technician Supervisor → Associate EngineerThis program offers a unique opportunity to cultivate engineers who possess comprehensive knowledge of spacecraft hardware, blending practical spacecraft assembly experience, early leadership growth, and a smooth transition into engineering roles.Participants will engage in testing flight hardware, lead technical teams, and contribute to large-scale spacecraft production.Key ResponsibilitiesPhase 1 – Engineering TechnicianParticipants commence the program by directly working with spacecraft hardware to support environmental testing, which encompasses Thermal Vacuum (TVAC), Vibration, Shock, and Acoustics.Responsibilities include:Executing Thermal Vacuum (TVAC) testing, including chamber setup, instrumentation routing, leak checks, pump-down operations, and test monitoring.Operating vibration test systems (sine, random, shock) including fixture setup, software configuration, and accelerometer instrumentation.Conducting environmental screening on subassemblies (thermal cycling, burn-in, thermal balance, etc.).Installing, routing, and verifying test instrumentation, including thermocouples and accelerometers.Validating data acquisition system (DAS) configurations for precise sensor readings.Documenting test procedures and outcomes.

AST SpaceMobile is at the forefront of revolutionizing global communications by constructing the first and only cellular broadband network in space. Our innovative technology allows standard, unmodified mobile devices to connect directly to this network, addressing the connectivity challenges faced by billions. We are driven by the mission to bridge the connectivity gaps for the five billion mobile subscribers today and to extend broadband access to the billions who remain unconnected.Position OverviewWe are actively seeking a skilled Mechanical Engineer with extensive expertise in structural analysis and static load testing. This pivotal role involves conducting analysis, testing, and validation of space vehicle structures. The successful candidate will demonstrate proficiency in NASTRAN, finite element modeling, and quasi-static load cases, while exhibiting creativity, attention to detail, and the ability to tackle complex engineering challenges independently.Key ResponsibilitiesCollaborate with test engineers and technicians to perform static load testing (SLT) at AST’s Site 2 in Midland, Texas.Conduct thorough structural analysis of space vehicles, identify potential failure cases, and establish safety margins.Convert load states into static qualification tests for structural assemblies.Support design engineers and interdisciplinary engineering teams.Evaluate and resolve non-conformance issues.Engage in failure review boards.Assist dynamic analysis teams with Load Test Method (LTM) definition for Coupled Loads Analysis (CLA).

At Loenbro, we don't just offer jobs—we cultivate careers built on integrity, teamwork, excellence, and purpose. Join a talented team where your skills are appreciated, your professional growth is encouraged, and your contributions play a vital role in sustaining and improving the essential infrastructure that supports communities nationwide.Job OverviewThe Industrial Electrical Journeyman is tasked with executing high-quality electrical work in the field, enhancing project efficiency and effectiveness. This position directly reports to the Field Foreman. We are particularly interested in candidates with proven experience in water and wastewater facilities. About LoenbroLoenbro is a reliable, long-term partner in construction lifecycle solutions for thousands of clients across the U.S. Our expertise spans multiple industries, and we offer a variety of services including Critical Electrical, Mechanical & Structural, Soft Crafts, Inspection, Underground Maintenance, Installation, and Fabrication. We excel at simplifying complex challenges while fostering enduring relationships with our partners. Although we have a national reach, we take a local approach—ensuring that every client benefits from our expertise and dedication.Key ResponsibilitiesEnhance your own skills by mentoring apprentices to excel in the industry.Engage in diverse projects such as data centers, water processing plants, casinos, mixed-use high-rises, pharmaceutical facilities, and more.Maintain a rigorous focus on safety while utilizing top-tier equipment in the industry. Organize tasks for apprentices, apply formulas for pipe fill, determine device and panel sizes, and manage material requirements for each project among other responsibilities.Exemplify and embody our company values encapsulated in our PACT: People, Advance Process, Community, and Trusting Relationships.

At AST SpaceMobile, we are pioneering the world’s first global cellular broadband network in space, designed to operate seamlessly with standard, unmodified mobile devices. Our innovative technology, backed by a robust IP and patent portfolio, is aimed at bridging connectivity gaps for both commercial and governmental applications. Our dedicated team of engineers and space scientists is committed to providing broadband access to the billions of mobile subscribers currently unconnected.Position OverviewWe are looking for an enthusiastic Associate Automation Engineer who will contribute to the design, development, and implementation of cutting-edge automated systems. These systems will enhance manufacturing efficiency, improve product quality, ensure safety, and facilitate scalability. This role collaborates with production, test, and engineering teams to deploy controls, robotics, and software-driven automation that minimizes manual intervention and guarantees reliable, repeatable operations.The perfect candidate will be an early-career engineer with a solid understanding of controls, robotics, and software automation, who is eager to gain hands-on experience in dynamic industrial and manufacturing settings.

AST SpaceMobile is pioneering the development of the world's first global cellular broadband network in space, designed to connect with standard, unmodified mobile devices. Our robust IP and patent portfolio enables us to cater to both commercial and government sectors. Our dedicated team of engineers and space scientists aims to bridge the connectivity gaps experienced by over five billion mobile subscribers and extend high-speed broadband access to billions more who remain unconnected.Position OverviewWe are in search of a passionate and detail-oriented Associate Mechanisms Engineer to assist in the assembly, integration, and testing (AIT) of spacecraft mechanisms. This role involves hands-on work within a dynamic setting, collaborating closely with design, test, and production teams to ensure the successful build, qualification, and delivery of space mechanisms and subsystems.

AST SpaceMobile is revolutionizing global connectivity by creating the first and only cellular broadband network in space, designed to operate seamlessly with ordinary, unmodified mobile devices. Our innovative technology is intended for both commercial and government use, aiming to close the connectivity gap for the five billion mobile subscribers worldwide and extend broadband access to billions more.Position OverviewThe Environmental Test Technician Supervisor plays a pivotal role in managing day-to-day operations within the Environmental Test organization. This position involves overseeing a dedicated team of technicians conducting thermal vacuum, vibration, shock, and acoustic testing, as well as other vital qualification and acceptance evaluations. The supervisor is tasked with ensuring the safe, compliant, and efficient execution of all environmental test processes while fostering a culture of continuous improvement, enhancing technical skills, and collaborating closely with various cross-functional partners. The ideal candidate will possess a blend of strong leadership skills and hands-on expertise in environmental testing, coupled with a relentless commitment to operational excellence.

AST SpaceMobile is revolutionizing global communications by constructing the first-ever worldwide cellular broadband network in space, capable of connecting directly with standard, unmodified mobile devices. Leveraging our extensive intellectual property and patent portfolio, our solutions are tailored for both commercial and governmental applications. Our dedicated team of engineers and space scientists is committed to bridging the connectivity divide for the five billion mobile subscribers today and reaching the billions more who are still unconnected.Position OverviewThe Manufacturing & Flight Assurance Engineering Intern will play a pivotal role in supporting the CSAT Solar Panel, Micron Solar Panel, and Flight Assurance teams. This position involves the development, enhancement, and validation of manufacturing processes for spacecraft hardware. Interns will gain hands-on experience in production engineering, process development, and mission assurance activities related to solar panel fabrication and spacecraft manufacturing operations. This internship offers a unique opportunity to learn about the construction, testing, documentation, and auditing of flight hardware to ensure quality, consistency, and mission success.This internship runs from 5/18/2026 to 8/7/2026 and is on-site at our Midland, TX facility. Applicants must be enrolled in the following semester. Recent graduates are encouraged to apply for our full-time roles.

AST SpaceMobile is pioneering the creation of the first and only global cellular broadband network in space, designed to communicate directly with standard, unmodified mobile devices. Leveraging our extensive IP and patent portfolio, we aim to bridge the connectivity gaps for today's five billion mobile subscribers and provide broadband access to the billions still unconnected, serving both commercial and government needs.Position OverviewWe are looking for a dedicated Test Operator to assist in executing electrical and environmental tests on satellites and their subsystems. This entry-level position is perfect for individuals who possess a keen attention to detail and a strong desire to learn in a highly regulated, technical environment.

AST SpaceMobile is pioneering the world's first and only global cellular broadband network in space, designed to work seamlessly with standard, unmodified mobile devices. Our innovative technology, backed by an extensive portfolio of intellectual property and patents, is aimed at bridging the connectivity gaps for the five billion mobile subscribers today and extending broadband access to billions more who are currently unconnected.Position OverviewWe are looking for a dedicated Test Operator to assist in conducting electrical and environmental tests on satellites and their subsystems. This entry-level role is perfect for individuals who possess a keen eye for detail and a strong desire to learn in a highly regulated and technical environment.

AST SpaceMobile is hiring an Environmental Test Technician I for the dayshift in Midland, Texas. This position runs Monday through Thursday, 7:30 AM to 5:30 PM. Role overview This role supports the quality and reliability of advanced telecommunications technology. The Environmental Test Technician I conducts a range of environmental tests, reviews test results, and helps troubleshoot issues that surface during testing. What you will do Perform environmental tests on telecommunications equipment Analyze and document test results Assist with troubleshooting when problems are identified during testing Key qualities Attention to detail is essential for upholding AST SpaceMobile’s standards throughout the testing process.

AST SpaceMobile is pioneering the world's first global cellular broadband network in space, designed to work seamlessly with standard, unmodified mobile devices. Our extensive intellectual property and patent portfolio caters to both commercial and government applications. We are dedicated to bridging the connectivity divide faced by over five billion mobile subscribers and aim to provide broadband access to the billions who remain unconnected.Position OverviewThe Associate Manufacturing Engineer will play a crucial role in enhancing, assessing, and refining manufacturing methods and processes to support ongoing production and the launch of new products. This position is integral to ensuring manufacturing readiness, optimizing processes, and facilitating the smooth transition of products from design to production.Key ResponsibilitiesEvaluate new product concepts and designs for manufacturability, providing insights and recommendations to R&D/Product Engineering.Develop innovative manufacturing methods and processes to produce new products in a safe, cost-effective manner while ensuring compliance with quality standards and meeting production demands.Conduct proof-of-principle and proof-of-concept studies to validate manufacturing strategies.Design comprehensive manufacturing processes, which include layouts, tooling, fixtures, programming, testing, and documentation.Continuously enhance existing production methods using Six Sigma principles, leveraging knowledge of product design, materials, fabrication processes, tooling, equipment capabilities, assembly techniques, and quality standards.Troubleshoot technical challenges in ongoing production and provide engineering support to operational teams.Participate in or lead initiatives focused on Safety, Kaizen, and other continuous improvement efforts.Assist in the qualification of new or modified products through manufacturing processes until final completion.

AST SpaceMobile is pioneering the development of the first and only global cellular broadband network in space, designed to operate seamlessly with standard, unmodified mobile devices. Our innovative technology, supported by a robust portfolio of intellectual property and patents, is geared towards both commercial and government applications. Our dedicated engineers and space scientists are on a transformative mission to bridge the connectivity gaps that affect the five billion mobile subscribers today, while also extending broadband access to the billions who are still unconnected.Position OverviewWe are looking for a talented and detail-oriented Mechanical Harness Engineer to join our vibrant team engaged in cutting-edge Low Earth Orbit (LEO) satellite systems development. In this position, you will be responsible for designing, developing, and integrating electrical harnesses that are essential to the satellite’s electrical system, ensuring efficient and reliable power and data transfer critical for mission success.