Junior Backend Engineer at TTI Inc. | El Segundo, CA

Rainmaker builds cloud seeding technology aimed at tackling water scarcity and unpredictable weather. The company’s approach brings together radar validation, weather-hardened unmanned aerial systems (UAS), advanced weather modeling, and environmentally friendly cloud seeding materials to form a full precipitation enhancement system. The Mechanical Engineering Intern will join the engineering team in El Segundo, CA. This position works hands-on with UAS, payload dispersion systems, and both in-situ and remote sensing equipment. Reporting to the Lead Mechanical Engineer, the intern will help develop essential subsystems for Rainmaker’s UAS platform, directly supporting operational and mission objectives. What you will do Hardware prototyping: Design and build working prototypes for UAS subsystems. Update and refine designs based on results from flight tests and mission requirements. Test fixture design: Assist in conceptualizing, designing, building, and running test fixtures to evaluate prototype components. Finite Element Analysis (FEA): Collaborate with mechanical engineers to define loading and boundary conditions, set up and run FEA studies, and confirm results. Documentation: Prepare technical documentation and generate fabrication and assembly data for manufacturing partners. Collaboration: Work with electrical and software engineers, along with other team members, to deliver integrated solutions.

About Rainmaker Rainmaker develops cloud seeding technology to help address water scarcity and challenging weather conditions. The team works with radar validation, weather-resistant Unmanned Aerial Systems (UAS), advanced numerical weather modeling, and eco-friendly cloud seeds to build solutions that enhance precipitation. The Engineering Team The Engineering group focuses on improving UAS platforms, dispersion payloads, and both in-situ and remote sensing systems. Team members see the direct impact of their work on Rainmaker’s operations. Role Overview This Electrical Engineering Internship is based in El Segundo, CA. The intern will work closely with the Lead Electrical Engineer, contributing to the design and development of key subsystems for UAS platforms. What You Will Do Rapid Hardware Prototyping: Design and build functional prototypes for UAS subsystems, making iterative improvements based on flight tests and mission requirements. PCB Design: Create schematic diagrams and layouts for systems such as power distribution, sensor interfaces, payload controllers, and communication modules, using tools like Altium or KiCad.

Rainmaker develops cloud seeding systems designed to address water scarcity and complex weather patterns. The team integrates radar validation, durable unmanned aerial systems (UAS), numerical weather modeling, and environmentally conscious cloud seeds to create a full solution for precipitation enhancement. The Senior Aero-Mechanical Engineer position is based in El Segundo, CA, within the Engineering division. Projects include work on UAS platforms, payload dispersion systems, and both in-situ and remote sensing technologies. The environment encourages technical initiative and offers the chance to directly influence operational capabilities. Role overview Collaborate with cross-functional teams to design and refine aerodynamic configurations for aircraft operating in demanding weather conditions. Conduct computational fluid dynamics (CFD) simulations to assess aerodynamic performance and behavior. Design, optimize, and review vehicle layouts to meet various operational requirements and endurance targets. Participate in wind tunnel testing and interpret data to validate CFD predictions. Support the creation and implementation of new aerodynamic methods. Work with other engineering disciplines to ensure aerodynamic designs are practical for manufacturing and can progress from concept to prototype.

Join Rainmaker, a trailblazer in modern cloud seeding technology, dedicated to combating water scarcity and adverse weather conditions. We leverage cutting-edge radar and satellite validation, resilient unmanned aerial systems (UAS), and advanced weather modeling to deliver effective precipitation enhancement solutions. As a Program Development Scientist, you will play a pivotal role in translating our scientific discoveries into impactful business opportunities. Your responsibilities will encompass overseeing the development of cloud seeding programs, serving as a scientific authority during customer interactions, analyzing and enhancing seedability evaluations, and contributing significantly to feasibility studies and other sales documentation. This position offers a pathway to advance into a lead scientist or technical business development leadership role.

Rainmaker tackles water scarcity and weather challenges by developing cloud seeding systems. The team blends radar validation, rugged unmanned aerial systems (UAS), advanced weather modeling, and environmentally safe cloud seeding materials to help increase precipitation. As a Senior Electrical Engineer based in El Segundo, CA, this role works at the heart of Rainmaker’s operations. The position focuses on UAS platforms, dispersion payloads, and advanced sensing equipment, shaping the electrical backbone of the company’s core systems. Collaboration with a skilled engineering group is central to this position, and contributions have a direct, visible impact on project outcomes. Key Responsibilities System Design: Lead the architecture and design of complex electrical systems for hardware platforms. Define requirements, interface specifications, and integration strategies at the system level. Rapid Hardware Prototyping: Build and refine functional hardware prototypes, iterating quickly based on test results and operational feedback. PCB Design: Develop schematics and layouts for power distribution, sensor interfaces, payload controllers, and communication modules using Altium. Board Bringup and Testing: Assemble, debug, and validate new printed circuit boards. Create testing procedures and fixtures to ensure reliable performance during flight operations. Documentation: Prepare detailed technical documentation and fabrication data for manufacturers, supporting quality control and clear communication.

Location: El Segundo, CA | Department: Engineering | Employment Type: Intern-Fulltime Onsite | Start: ImmediateJoin Rainmaker as we revolutionize cloud seeding technology to combat water scarcity and adverse weather conditions. Our team integrates cutting-edge radar validation, durable unmanned aerial systems (UAS), advanced numerical weather modeling, and eco-friendly cloud seeding materials to deliver impactful precipitation enhancement solutions.As an intern within our Engineering team, you will engage with innovative projects related to our UAS, payload dispersion systems, and both in-situ and remote sensing technologies. This is a remarkable opportunity for you to thrive in a dynamic environment where your contributions will have a direct influence on our operational achievements. In this role, you will work closely with the Lead Mechanical Engineer and assist in developing critical subsystems for our UAS platform, enabling you to gain hands-on experience and insight into the engineering processes that drive our mission.

About Rainmaker Rainmaker works to address water scarcity using advanced cloud seeding technology. The team combines radar systems, unmanned aircraft, and a weather awareness platform to help manage natural resources and improve freshwater availability. By increasing precipitation, Rainmaker supports ecological restoration, aquifer recharge, and lowers wildfire risks. Based in El Segundo, CA, Rainmaker is part of a growing deep-tech community. The company values rapid iteration and practical engineering solutions. Role Overview: Data Scientist in Sales This Data Scientist will work closely with Business Development and Program Development teams. The focus: analyze and communicate the economic benefits of Rainmaker's initiatives, especially the value of increased snowpack and water resources. The role also involves building data infrastructure that connects Rainmaker's operations to real-world outcomes for agriculture, municipalities, utilities, and environmental groups. The position blends environmental science, economics, and data storytelling. Expect to work with varied datasets, weather, hydrology, commodity prices, land use, and economic indicators, to deliver benefit analyses that help form partnerships and support program expansion. Key Responsibility Economic Benefit Modeling: Build and refine models that measure the financial impact of added precipitation for sectors like agriculture, hydropower, municipal water supply, wildfire mitigation, and ecosystem services. Location This position is based in El Segundo, CA.

Radiant Industries is on the forefront of innovative engineering solutions, and we are looking for a highly skilled Senior Mechanical Engineer (Structures) to join our team. In this pivotal role, you will design and develop critical structural components within our Kaleidos project, tackling unique challenges to create efficient and reliable structures that can withstand extreme temperature environments and adhere to volumetric constraints.As a Senior Mechanical Engineer, you will play a crucial role in the advancement of the first new commercial reactor design in over 50 years, set to launch by 2026. Your responsibilities will include conducting trade studies, material selection, detailed structural analysis, assembly, integration, and testing.

make-rain builds operational software and data platforms to advance weather modification. The team works on tools that process complex, real-world data to support new approaches in this specialized field. Internship overview This Software Engineering Internship is located in El Segundo, CA. The position is intended for students who want to apply technical skills to real data problems and help deliver software that matters. What you will do Collaborate with engineers to design and refine data workflows for telemetry sources, such as in-situ sensors, remote systems, and drones. Assist in developing and maintaining APIs, software packages, and internal operational tools. Convert raw data into reliable products that support the company's mission. Requirements Enrollment in a Computer Science or related degree program. Interest in working with real-world data and building impactful software. Ability to learn quickly, stay curious, and work independently in changing situations. Willingness to relocate to El Segundo, California for the internship. Preferred skills Proficiency in Python and understanding of core software development concepts. Experience with data management, APIs, and SQL databases. Interest in geospatial, atmospheric, or sensor data. Strong debugging skills and ease with various technical systems.

CX2 is an innovative defense technology company dedicated to achieving spectrum dominance for the United States and its allies. Our cutting-edge, AI-driven hardware and software platforms are designed to detect, disrupt, and protect the electromagnetic spectrum across various domains including land, air, sea, and space.We are in search of a talented Flight Test Engineer to become a vital part of our expanding team. The ideal candidate should possess extensive experience in the production and testing of complex systems, early-stage prototyping, and have a robust background in software development.

Engineering TechnicianJoin Radiant Industries as an Engineering Technician, where you will utilize a diverse array of skills in the fabrication and assembly of our innovative microreactor unit. Your role will be pivotal in constructing both large and small-scale test rigs, creating prototype components and tooling, and sourcing the necessary tools for assembly. You will be the fourth key technician on our team, necessitating a high level of autonomy and initiative. In our new El Segundo headquarters, you will manage our prototype shop, working with an assortment of tools across various shop activities, including machining, welding, metal forming, electrical work, and plumbing. This position offers you the chance to make a substantial technical impact as we strive to fuel a new reactor design for the first time in over 50 years by 2026.Key Responsibilities:Fabricate components to specifications using various shop equipment such as mills, lathes, welders, and hand tools.Lead the assembly and commissioning of test rigs and production builds.Conduct troubleshooting and root cause analysis for mechanical, electrical, thermal, and pneumatic issues.Collaborate with engineers to devise solutions and enhancements for hardware design, fabrication, and assembly processes.Maintain high operational standards regarding safety, reliability, and cleanliness.Perform additional tasks as required; versatility is essential in our small team environment.

About UsPicogrid is a pioneering defense technology company backed by venture capital, dedicated to closing the longstanding gap between cutting-edge technology and the essential requirements of national security. We are currently developing critical infrastructure that integrates sensors, autonomy, and operators, with our innovative solutions actively utilized in operations globally. Our objective is to provide an operational edge to safeguard the United States and its allies.Position OverviewWe are on the lookout for a Senior Electrical Engineer who will play a key role in designing, constructing, and launching mission-critical hardware systems that bolster U.S. defense initiatives. This hands-on position resides at the crossroads of embedded systems, mechanical integration, and high-reliability design, giving you ownership over vital electrical components that drive connected autonomous systems in the field.You will manage the complete design lifecycle of various hardware products: from rapid prototyping and validation to production and deployment in the field. Your responsibilities extend beyond the bench; you will work closely with software, mechanical, and deployment teams to guarantee that systems function reliably in challenging environments ranging from deserts to flightlines and active field operations. Anticipate rapid iterations and minimal barriers between your engineering contributions and the end user, making a tangible impact on real-world missions.

Important Notice: In compliance with the U.S. Government Space Technology Export Regulations, applicants must be U.S. citizens, lawful permanent residents, conditional residents, asylees, or refugees, or be eligible to acquire the necessary authorizations from the U.S. Department of State.At CesiumAstro, we are innovators and leaders in developing advanced communication systems for satellites, UAVs, launch vehicles, and various space and airborne platforms. Our vibrant and collaborative work environment fosters learning, growth, and engagement across all levels of our organization. If you seek an interactive, hands-on work experience with autonomy, CesiumAstro is the perfect place for you. We invite enthusiastic, team-oriented, and innovative individuals to become part of our journey.We are on the lookout for a Power Electronics Engineer II to bolster our expanding spacecraft payload development team. In this role, you will play a crucial part throughout the entire development lifecycle of cutting-edge power electronics hardware for satellites and space power systems payloads. Your contributions will range from defining power system architectures and conducting trade studies to detailed circuit design, simulation, PCB layout, verification, integration testing, and providing manufacturing support.

At Voyager Technologies, we are at the forefront of defense, national security, and space technology, dedicated to delivering transformative solutions that address the most complex challenges. Our mission is to advance human progress and ensure national security while protecting critical assets, thereby leading the charge for technological and operational superiority from land to space.Join Us in Shaping the Future: Become a Part of Voyager TechnologiesThe future is built by those with the courage to innovate. At Voyager Technologies, we are developing pioneering technologies that safeguard lives, expand horizons, and prepare us for what's next. We seek individuals who are problem-solvers, builders, and leaders—those who thrive in challenging environments.As a Software Engineer, you will play a pivotal role in laying the groundwork for humanity's future. Immerse yourself in a culture where innovation is celebrated, curiosity is nurtured, and your contributions make a real impact. We are a collective of doers, thinkers, and creators, united by a shared purpose and a commitment to excellence.If you are eager to channel your skills in a mission-driven environment where the stakes are high, help us forge the future at Voyager.We are looking for a Software Engineer to join our multidisciplinary team of machine learning engineers, software developers, and algorithm experts focused on creating software for geospatial analytics, particularly in the exploitation of Synthetic Aperture Radar (SAR) imagery.In this role, you will be responsible for designing and developing software systems that process, manage, and visualize large-scale geospatial datasets to support critical capabilities for U.S. government and other clients.

About VardaThe era of low Earth orbit is here, and Varda is leading the charge. We are pioneering the evolution of commercial space infrastructure, ranging from in-orbit pharmaceutical production to the development of cost-effective reentry capsules.Our groundbreaking work allows for the creation of life-changing products that can only be manufactured in space, enhancing life on Earth. Varda is committed to igniting innovation in the orbital economy by building the products and infrastructure that directly benefit humanity. Our mission is to broaden the economic horizons of mankind.Our team combines a wealth of experience, with leaders and staff sourced from esteemed organizations like SpaceX, Blue Origin, and major pharmaceutical firms, complemented by expertise from Silicon Valley. Founded in January 2021 by Will Bruey and Delian Asparouhov, we are backed by top-tier investors including Khosla Ventures, Lux Capital, and Founders Fund.Headquartered in El Segundo, California, our office and production facility are where we design, integrate, and test our innovative vehicles, equipment, and materials. We also maintain offices in Washington, DC and Huntsville, AL.Join us at Varda and contribute to building a thriving in-space ecosystem. About This RoleAs a Manufacturing Engineer at Varda, you will leverage your expertise to transition manufacturing processes from a handful of custom vehicles to a large number of consistent, simultaneous builds. Your role will be critical in enhancing Varda's manufacturing capabilities.

We are seeking a highly skilled and motivated General Counsel to join our dynamic team at picogrid. In this pivotal role, you will oversee our legal operations, providing strategic advice and support to ensure compliance and mitigate risks while fostering our company's growth and innovation.

Join our dynamic team at Sonsoft Inc. as a DevOps Engineer. In this pivotal role, you will collaborate with cross-functional teams to enhance our deployment pipelines, automate processes, and ensure the reliability of our infrastructure. Your expertise in cloud services, scripting, and container orchestration will help us deliver high-quality software solutions efficiently.If you are passionate about optimizing systems and thrive in a fast-paced environment, we want to hear from you!

We are seeking a talented Senior Software Engineer to join our dynamic team at AMCA in El Segundo, California. In this role, you will be responsible for developing innovative software solutions that enhance our product offerings and drive business success. You will work closely with cross-functional teams to identify and implement new technologies that align with our strategic objectives.The ideal candidate will have a passion for technology, a strong problem-solving mindset, and a desire to contribute to high-impact projects. If you are looking to take your career to the next level in a collaborative and fast-paced environment, we would love to hear from you!

At Voyager Technologies, we are at the forefront of defense, national security, and space technology, dedicated to developing groundbreaking solutions that are essential for our missions. We tackle intricate challenges to pave the way for human advancement, enhance national security, and safeguard vital assets, driving the competition for technological and operational excellence from the ground to the cosmos.Be a Part of the Future: Join Voyager TechnologiesThe future is shaped by those who dare to create it. At Voyager Technologies, we are crafting innovations that safeguard lives, extend boundaries, and prepare us for what lies ahead. We seek individuals who are driven to solve problems, build systems, adapt to challenges, and lead the way. These roles demand courage and determination.Join a vibrant culture where innovation flourishes, curiosity is celebrated, and your contributions make a genuine impact. We are a collective of doers, thinkers, and builders, united by a common goal and grounded in reality.If you are ready to apply your expertise where the stakes are high and the mission transcends individual achievements, forge the future with Voyager.We are currently looking for a Senior Software Engineer to join our multidisciplinary team of machine learning engineers, software developers, and algorithm specialists who are developing software for geospatial analytics, focusing on the exploitation of Synthetic Aperture Radar (SAR) imagery.The Senior Software Engineer at Voyager Technologies will be responsible for the architecture, design, and leadership in the development of software systems that process, manage, and visualize extensive geospatial datasets to support essential capabilities for U.S. government and other clients.In this role, your key responsibilities will include:Designing, implementing, and owning software systems for the processing, management, and distribution of geospatial data, particularly SAR imagery.Building scalable data pipelines and backend services to support geospatial data workflows.Developing tools and services for geospatial visualization, analysis, and data distribution.Designing and implementing database architectures, schemas, and data models to support geospatial datasets.Contributing to system architecture decisions involving service design, data pipelines, and software infrastructure.Integrating geospatial services and APIs into operational software systems.Collaborating with algorithm developers and data scientists...