Software Engineer - Advanced Development

Radiant Industries, based in El Segundo, CA, develops portable nuclear microreactors. The company’s flagship product, Kaleidos, is a 1-megawatt reactor built for safe transport and designed to run for up to five years without refueling. These microreactors are intended to replace diesel generators and provide reliable power for critical infrastructure, including hospitals, data centers, remote locations, and military bases. Radiant uses established materials and advanced software to produce factory-built reactors. Founded in 2020, the company expects to test its first reactor at Idaho National Laboratory this summer, with customer deliveries planned for 2028. Role overview The Senior Software Engineer in Simulation Technologies will develop and maintain software systems supporting Radiant’s reactor simulation and Digital Twin initiatives. This role centers on designing the architecture, tools, and infrastructure that allow simulation engineers to model, test, and validate reactor systems. The work is closely tied to Radiant’s progress toward commercial deployment.

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...

About UsAt Picogrid, we are at the forefront of defense technology, committed to bridging the gap between cutting-edge technology and the pressing needs of national security. Our innovative infrastructure seamlessly integrates sensors, autonomy, and operators, with our solutions actively deployed in military operations globally. Our mission is to provide a tactical edge to protect the United States and its allies.Role OverviewWe are looking for a talented Senior Software Engineer to join our dynamic Legion Platform team. In this role, you will design, develop, and implement high-performance backend systems and integration tools that connect hardware and software across diverse environments and command levels. Your expertise will play a pivotal role in addressing complex system-level challenges and enhancing a resilient platform that supports real-world military operations. This position demands continuous innovation and is ideal for an engineer who excels under pressure and seeks to make an immediate impact on national security.

At Sift, we're revolutionizing the development, testing, and operation of modern machines. Our innovative platform provides engineers with real-time insights into high-frequency telemetry, effectively eliminating bottlenecks and accelerating reliable development.Sift originated from our groundbreaking work at SpaceX on projects such as Dragon, Falcon, Starlink, and Starship—experiences that highlighted the need for scalable telemetry, efficient debugging of flight systems, and unwavering mission reliability. Founded by a talented team from SpaceX, Google, and Palantir, Sift is engineered for mission-critical systems where precision and scalability are paramount.As an early engineer at Sift, your contributions will extend beyond coding; you'll play a key role in defining our architecture, shaping our product, and influencing the culture of a company dedicated to addressing genuine engineering challenges. If you're eager to tackle complex technical problems and have the chance to build foundational systems that support intricate machines, we encourage you to reach out.

vardaspace is seeking a Senior Mission Software Engineer in El Segundo, California. This position centers on designing and developing software for aerospace projects where reliability and precision matter most. The work supports systems that are essential to the company’s operations. Role overview This role focuses on building and improving mission-critical software. The Senior Mission Software Engineer works closely with other engineers, contributing technical knowledge to deliver solutions that meet demanding safety and efficiency standards. Key responsibilities Collaborate with engineering teammates to design, develop, and refine software for aerospace applications Enhance existing systems to support project goals and operational safety Contribute expertise to ensure software meets high-stakes requirements Impact Software developed in this role directly supports vardaspace’s mission and the success of its aerospace initiatives.

At Sift, we are pioneering the future of infrastructure for modern machines, transforming the way they are constructed, tested, and managed. Our innovative platform offers engineers unparalleled real-time observability over high-frequency telemetry, effectively eliminating bottlenecks and facilitating rapid, dependable development.Originating from our groundbreaking work at SpaceX on projects like Dragon, Falcon, Starlink, and Starship, Sift emerged from the need for advanced infrastructure to accommodate complex telemetry, debug flight systems, and ensure mission reliability. Our founding team, with expertise from SpaceX, Google, and Palantir, crafts solutions for mission-critical systems where precision and scalability are paramount.As a pivotal member of our engineering team, you will not only write code but also play a significant role in shaping the architecture, product direction, and culture of a company dedicated to addressing real engineering challenges. If you thrive on tackling intricate technical problems and aspire to build foundational systems that support complex machinery, we encourage you to apply.

About VardaLow Earth orbit is open for business. Varda is at the forefront of developing commercial space infrastructure, ranging from in-orbit pharmaceutical processing to dependable and cost-effective reentry capsules.With products that can only be manufactured in space, including life-saving pharmaceuticals and advanced fiber optics, Varda is revolutionizing the orbital economy by establishing the essential products and infrastructure that connect space to life on Earth. Our mission is to broaden the economic horizons of humanity.Our team is exceptionally equipped to achieve this mission, comprised of experts from SpaceX, Blue Origin, leading pharmaceutical firms, and Silicon Valley. Founded in January 2021 by Will Bruey and Delian Asparouhov, Varda has garnered substantial support from top-tier investors like Khosla Ventures, Lux Capital, Founders Fund, Caffeinated Capital, General Catalyst, and Also Capital.Headquartered in El Segundo, California, Varda features offices and a production facility where our vehicles, equipment, and materials are designed, assembled, and tested. Additional offices are located in Washington, DC, and Huntsville, AL.Join Varda and contribute to the formation of a thriving in-space ecosystem.About This RoleAs a Senior Embedded Software Engineer on the Flight Software team, you will play a crucial role in defining the operational behavior of our spacecraft in orbit by developing reliable software solutions. The team oversees all phases of development, from capturing requirements to testing and providing operational support during flights.

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.

Picogrid seeks a Staff Software Engineer based in El Segundo, CA. This position plays a central role in shaping the software systems that power Picogrid’s products. The engineer will work side by side with fellow engineers to ensure these systems evolve to meet changing customer needs. Key responsibilities Design and implement software systems that support Picogrid’s products Work with other engineers to address complex technical problems Improve and optimize existing systems for better performance and reliability Collaboration This role involves close teamwork with the engineering group. Expect to contribute ideas and solutions as part of a group focused on building adaptable, reliable software.

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!

Join BryceTech as a Lead Software Engineer, where you will take charge of cutting-edge projects in the space industry. You will lead a talented team of engineers, driving innovation and excellence in software development. Your expertise will help shape the future of our space technology solutions.

At Sift, we are transforming the landscape of modern machine development, testing, and operation. Our cutting-edge platform empowers engineers with real-time observability over high-frequency telemetry, effectively eliminating bottlenecks and facilitating quicker, more reliable development processes.Founded by innovators from SpaceX, Google, and Palantir, Sift emerged from our groundbreaking work on Dragon, Falcon, Starlink, and Starship at SpaceX, where the demands for scalable telemetry and mission reliability necessitated advanced infrastructure. We are dedicated to mission-critical systems where precision and scalability are essential.As an early engineer at Sift, you will not only write code but also play a vital role in architecting solutions, shaping the product vision, and influencing the company's culture, all while tackling significant engineering challenges. If you are eager to build foundational systems that support complex machines from the ground up, we invite you to connect with us.

Join Voyager Technologies Inc. as a Software Engineer in Advanced Development. In this role, you will collaborate with cross-functional teams to design, develop, and implement innovative software solutions that drive efficiency and performance across our projects. You will utilize cutting-edge technologies and methodologies to create scalable software that meets the evolving needs of our clients.

About VardaPioneering the New Space Economy. Varda is at the forefront of building commercial space infrastructure, focusing on innovative solutions from in-orbit pharmaceutical processing to cost-effective reentry capsules.We are on a mission to transform how products essential to life on Earth are manufactured, enabling the creation of advanced pharmaceuticals and superior fiber optics in space. Our aim is to foster innovation in the orbital economy, crafting both the products and the infrastructure that will allow space to enhance life back on Earth. We are dedicated to expanding the economic horizons of humanity.Our exceptional team comprises industry veterans from SpaceX, Blue Origin, leading pharmaceutical companies, and Silicon Valley. Founded in January 2021 by Will Bruey and Delian Asparouhov, Varda has garnered support from top-tier investors, including Khosla Ventures, Lux Capital, Founders Fund, Caffeinated Capital, General Catalyst, and Also Capital.Based in El Segundo, California, Varda operates from a dedicated office and production facility where our vehicles, equipment, and materials are expertly constructed, integrated, and tested. We also maintain offices in Washington, DC, and Huntsville, AL.Join Varda and contribute to the development of a thriving in-space ecosystem.About This RoleThe Flight Software team plays a crucial role in designing and implementing the behavior and operation of our spacecraft in orbit. We are seeking a skilled engineer to build reliable software that ensures the successful functioning of our systems. The team is involved in all stages of development, from capturing requirements through testing and providing operational support during flight.

Join Sonsoft Inc. as a Senior Architect specializing in Broadcast Technologies. In this pivotal role, you will leverage your extensive experience in designing and implementing advanced broadcast systems. Collaborate with a talented team to drive innovation and ensure the delivery of high-quality broadcast solutions that meet the evolving needs of our clients.

Senior Manufacturing EngineerJoin Radiant Industries as a Senior Manufacturing Engineer, where you will collaborate with design engineers to revolutionize the production of intricate mechanisms and structures essential to our innovative microreactor technology. Your role will be critical in ensuring the reliability, safety, quality, and timely delivery of the Kaleidos demonstration unit, set for testing at the Idaho National Lab in 2026—marking the first new reactor design in over 50 years.Key Responsibilities:Oversee the manufacturing and inspection processes of vital components and assemblies within the Kaleidos microreactor.Collaborate with design engineers to create innovative production methods for complex mechanisms and structures.Develop, validate, and optimize manufacturing processes to fulfill all design and business requirements, including safety, quality, efficiency, and delivery timelines.Formulate and implement manufacturing specifications and fabrication instructions.Manage the manufacturing bill of materials (mBOM) for components and assemblies.Identify, evaluate, and establish partnerships with suppliers for component sourcing and fabrication.Identify, plan, and execute upgrades to capital equipment, machinery, and layout to adapt to evolving production needs.Lead initiatives that promote continuous improvements in manufacturing processes and product quality.

Join our innovative team at Voyager Technologies Inc. as a Software Engineer focused on Advanced Development. In this role, you will have the opportunity to work on cutting-edge projects that push the boundaries of technology, collaborate with talented professionals, and contribute to the development of high-impact software solutions.

About the JobJoin Treatment Technologies & Insights, Inc. (TTI) as a Senior Backend Engineer within our dynamic platform team. Your expertise will be essential in designing and developing robust APIs and services that drive the Wave Health platform, aimed at enhancing treatment experiences for patients battling cancer and chronic illnesses.We are seeking a proactive engineer with a strong ability to solve complex technical challenges while actively promoting best practices across various teams. Your fresh ideas and problem ownership will be invaluable as we continue to evolve our infrastructure amidst ongoing partnerships and strategic growth. If you thrive in a fast-paced startup environment and possess a solid background in architecting complex, production-grade healthcare systems, we want to hear from you!

We are seeking a highly skilled and innovative Principal Software Engineer to join our dynamic team at Ensco Inc. In this pivotal role, you will leverage your extensive experience in software engineering to lead complex projects, design scalable systems, and mentor junior engineers. Your contributions will be crucial in enhancing our software solutions and driving technological advancements within the organization.