Senior Spacecraft Thermal Engineer

At Observable Space, we are at the forefront of space exploration, providing essential tools for organizations to thrive in the cosmos. Our innovative solutions include a unique combination of hardware and software products that enable real-time observations of space. As a leader in advanced telescope design and manufacturing in the United States, we cater t…

At StubHub, we are dedicated to transforming the live event experience on a global scale. Our goal is to provide unparalleled excitement from the moment a customer searches for tickets to when they enter the venue. We strive to offer both fans and sellers the safest and most convenient platform for ticket transactions, whether it's for a single ticket or a large-scale event.Join our cutting-edge Edge Services team as a Senior Software Engineer specializing in Security, and play a pivotal role in shaping the global infrastructure that connects millions of fans securely and efficiently. You will work on state-of-the-art Content Delivery Network (CDN) architecture, advanced bot mitigation strategies, and real-time fraud defense systems, collaborating with top-tier security and platform teams to drive significant innovation at scale. This is your opportunity to build resilient, high-performance systems that power one of the largest live event marketplaces in the world.

Join Otter.ai as a Senior Sales Engineer in our Los Angeles office, where you will be instrumental in driving our sales efforts and providing technical expertise to our clients. In this role, you will leverage your deep understanding of our products and services to support sales initiatives, conduct demonstrations, and address customer inquiries. Your technical acumen and strong communication skills will help bridge the gap between our engineering team and our clients, ensuring that we deliver exceptional solutions tailored to their needs.

About AXS AXS helps fans connect with their favorite artists and teams by making it easy to buy tickets for concerts, festivals, sports, and theater events. Since 2011, the company has supported millions of ticket sales each year for events at some of the most recognized venues worldwide. AXS continues to refine the ticketing experience, making event discovery, seat selection, and live entertainment more accessible and enjoyable. Our Approach AXS focuses on improving the fan journey and building practical solutions for clients in the live events industry. The team values new ideas and collaboration, and welcomes people who want to work alongside experienced professionals in both technology and entertainment.

ABOUT US:At Sift, we are pioneering the next generation of advanced machines through the world's first comprehensive telemetry stack. Our team is expanding, and we invite you to be part of this exciting journey.Founded to empower both private and governmental sectors, Sift is dedicated to facilitating groundbreaking technological advancements. Our mission is to create a brighter future, and we are making significant strides with our specialized knowledge.By joining us, you will contribute to the development of future-oriented data infrastructure, which will be integral to spacecraft, satellite constellations, renewable energy initiatives, autonomous transportation, and beyond.We are on the lookout for individuals who are driven to tackle complex engineering challenges and thrive in a fast-paced startup environment.For further inquiries regarding Sift, please reach out to: vivek.punjabi@siftstack.com

DLR Group is an integrated design firm focused on improving the human experience through thoughtful design. The company’s mission centers on making a positive difference for clients, communities, and the environment with every project. Role Overview The Engineering team is hiring a Senior Civil Engineer in Los Angeles, CA. This role joins a collaborative group working on a wide range of projects, such as mixed-use developments, commercial buildings, schools, sports facilities, hospitality spaces, and municipal structures. Site development projects also form a key part of the work. DLR Group is 100% employee-owned, so every team member has the opportunity to invest in the firm and share in its financial results. What You Will Do Work closely with architects, engineers, and clients throughout the integrated design process.

At K2, we are pioneering the development of the largest and most powerful satellites ever launched, enabling unprecedented performance across all orbits. With a robust backing of $450 million from top-tier investors like Altimeter Capital, Redpoint Ventures, T. Rowe Price, Lightspeed Venture Partners, Alpine Space Ventures, and more, alongside an additional $500 million in signed contracts with commercial and US government clients, we are on a mission to mass-produce the highest-capacity satellite platforms ever developed for missions ranging from Low Earth Orbit (LEO) to deep space.The advent of heavy-lift launch vehicles is transforming the industry from one of mass limitation to one of mass availability. We believe this new paradigm requires a fundamentally different class of spacecraft. Our satellites are engineered to withstand the most extreme radiation environments, fully leveraging today’s and tomorrow’s colossal rockets, delivering unmatched capabilities at constellation scale across various orbits.With multiple launches scheduled through 2026 and 2027, we are dedicated to expanding the solar system and advancing humanity toward becoming a Kardashev Type II (K2) civilization. If you are a driven professional who thrives in a dynamic environment and you are eager to contribute to the success of a groundbreaking Series C space startup, we invite you to apply.

About UsAntares is dedicated to the ambitious goal of making clean energy accessible from Earth to the Asteroid Belt. We believe that advanced nuclear energy can not only bolster our military capabilities but also address the climate crisis, enhance global living standards, and expand humanity's reach into outer space. Our innovative approach involves the development of mass-producible, inherently safe microreactors that are deployable on land, underwater, and in space.Founded in 2023, our team comprises experts from notable organizations such as SpaceX, The White House, MIT, Rigetti Computing, The Air Force, General Atomics, Relativity Space, Ursa Major, and esteemed National Laboratories including Los Alamos, Idaho, and Oak Ridge. We have successfully secured over $130 million in venture capital from leading investors and received more than $13 million in government funding.About the TeamJoining the Antares supply chain team as an early member, you will play a crucial role in defining and executing the strategic roadmap that will facilitate our transition from prototyping to full-scale production. Your responsibilities will involve identifying, qualifying, and developing suppliers across various commodities, enhancing fragile or underdeveloped supply chains, collaborating with engineering teams to ensure designs are manufacturable, and creating the necessary systems and processes to scale our operations. In our dynamic environment, you will have the opportunity to contribute to various areas beyond supply chain management.The ideal candidate possesses the ability to navigate ambiguity and effectively prioritize multiple tasks. As part of a small yet impactful team, you will tackle significant challenges and play a vital role in driving the company's success, both in the short and long term.

Join CGS Federal as a Senior Lead Network Engineer, where you will be a key player in the evaluation, enhancement, and maintenance of a large-scale network project that integrates both wired and wireless network infrastructures along with the required hardware and software.Your role will involve assessing the current setup of disparate networks, designing, and implementing a cohesive network infrastructure that meets both wireless and wired requirements. You will also provide consulting on the necessary hardware and software to ensure optimal support for this extensive infrastructure, alongside conducting systems testing, vulnerability assessments, and quality assurance processes required for the setup.At CGS Federal, we unite motivated, highly skilled, and innovative individuals to tackle the government’s most pressing challenges through advanced technology. We are looking for passionate candidates who are eager to drive government innovation, value collaboration, and possess the foresight to anticipate the needs of others. Our supportive environment encourages professional growth through a variety of learning opportunities.

Join LA28 as a Senior Manager, Electrical Engineering and be a pivotal part of creating an unforgettable Olympic and Paralympic experience. As a key member of the Games Planning & Delivery group, you will help shape an innovative and seamless event that will unite athletes, fans, partners, and the community.About LA28: LA28 is a non-profit, independent organizing committee dedicated to delivering the Los Angeles 2028 Olympic and Paralympic Games. This marks a significant return of the Summer Games to the U.S. after 32 years and the first time the Paralympic Games will be hosted in Los Angeles. We are committed to celebrating the rich legacy of our city while pushing forward the Olympic and Paralympic Movements.We are seeking individuals who resonate with our core values: optimism, integrity, excellence, inclusion, co-creation, and boldness. Your diverse perspective and expertise will be invaluable to our mission.

Join AECOM as a Senior Project Manager in the Architecture and Engineering department, where you will lead and oversee projects that shape the built environment. Your expertise will guide teams in delivering innovative and sustainable design solutions, ensuring project success from conception through execution.

At StubHub, we are committed to transforming the live event experience worldwide. Whether it's a fan's first concert or their hundredth game, we strive to provide joy from the moment they search for a ticket until they walk through the venue doors. We also cater to our sellers, from individuals listing a single ticket to promoters managing global tours, ensuring StubHub is the safest and most user-friendly platform for millions of fans across the globe.In our efforts to enhance our data architecture, we are in search of a Senior Analytics Engineer who excels at the intersection of data infrastructure, business insights, and cross-department collaboration. If you are passionate about developing foundational systems that will drive pricing strategies, personalized experiences, experimentation, and much more, we encourage you to apply.

Join our innovative team at AECOM as a Senior Mechanical Engineer specializing in data centers. In this critical role, you will leverage your extensive knowledge and skills to design, analyze, and implement mechanical systems that ensure the efficient operation of our state-of-the-art data facilities. This position is fully remote, allowing you to work from anywhere in the U.S. while contributing to projects that make a significant impact in the engineering and technology sectors.

Rebuild Manufacturing is building an AI-powered platform to improve hardware product development. The platform connects with tools that hardware teams already use, helping them track change requests and share important context. By coordinating across different disciplines, it keeps projects moving smoothly as requirements shift. Supported by a parent company with deep roots in engineering and manufacturing, the team is focused on closing communication gaps in hardware development. The goal: make sure every update and decision reaches the right people at the right time. Role overview The Senior AI Engineer will design and build the core AI agents that drive the platform. This work involves developing systems that can spot potential issues in hardware workflows, offer timely assistance, and help teams stay aligned as projects evolve. What you will do Create AI systems that integrate with existing engineering tools Develop features to coordinate change requests and share critical information Build solutions that help engineering teams anticipate and resolve workflow challenges Locations Greater Boston, MA Los Angeles, CA United States (other locations considered)

K2 Space Corporation is at the forefront of satellite technology, developing the largest and most powerful satellites ever launched, which are poised to redefine performance standards across all orbits. With significant backing of $450 million from prominent investors like Altimeter Capital, Redpoint Ventures, T. Rowe Price, and others, along with an additional $500 million in secured contracts with commercial and government clients, we are pioneering the mass production of high-capacity satellite platforms for missions ranging from Low Earth Orbit (LEO) to deep space.The evolution of heavy-lift launch vehicles represents a transformative shift in the industry, moving from a phase of mass constraint to one of mass abundance. At K2, we believe this new era requires an innovative class of spacecraft designed to withstand extreme radiation environments while maximizing the capabilities of today's and tomorrow's powerful rockets. Our satellites offer unparalleled performance at constellation scales across multiple orbits.With numerous launches scheduled through 2026 and 2027, we are committed to expanding our understanding of the solar system and striving to evolve into a Kardashev Type II (K2) civilization. If you are a driven individual who thrives in a dynamic environment and is eager to contribute to a revolutionary Series C space startup, we encourage you to apply.

About Re:Build Manufacturing Re:Build Manufacturing is an innovative and expanding collective of industrial and engineering enterprises, dedicated to merging advanced technologies with operational excellence and strategic mergers and acquisitions to forge the next generation of industrial capabilities in America. At Re:Build, we harness extensive expertise in engineering, operations management, and technology to amplify the performance of our member companies. Our principled operating culture encourages transparency and integrity, leading to differentiated outcomes in a dynamic environment that fosters personal and professional growth. Founded with the vision to establish a sustainable and profitable model for revitalizing U.S. manufacturing, Re:Build has curated a robust suite of complementary services and business lines that allow us to cater to various end markets. Our acquired companies specialize in build-to-print and on-demand engineering and design services, leveraging their collective knowledge to advance into sophisticated program development and production, alongside developing our proprietary products. Our unique capabilities enable us to manage highly complex systems and products, providing a wide range of services, including product and systems design, automation, fabrication, assembly, and large-scale contract manufacturing. Our clientele spans diverse sectors such as aerospace, defense, mobility, healthcare, pharmaceuticals, biotechnology, clean technology, chemicals, energy, lifestyle, food production, and industrial equipment.

K2 Space Corporation is revolutionizing the space industry by developing the largest and most powerful satellites ever launched, enabling unprecedented performance levels in every orbit. With a robust funding of $450 million from prominent investors such as Altimeter Capital, Redpoint Ventures, T. Rowe Price, Lightspeed Venture Partners, and Alpine Space Ventures, we are on the brink of a new era in satellite technology. Additionally, we have secured $500 million in contracts with commercial and U.S. government clients, positioning us to mass-produce the highest-capacity satellite platforms designed for missions ranging from Low Earth Orbit (LEO) to deep space.As heavy-lift launch vehicles reshape the landscape of space exploration, K2 is committed to engineering spacecraft that thrive in extreme radiation environments, making the most of today’s and tomorrow’s powerful rockets. Our satellites provide unmatched capabilities at a constellation scale across multiple orbits.With multiple launches scheduled through 2026 and 2027, we are on a mission to expand our reach within the solar system and aspire to become a Kardashev Type II (K2) civilization. If you are an enthusiastic individual who excels in a dynamic environment and is eager to contribute to the success of a pioneering Series C space startup, we invite you to apply.

Join our innovative team at Ramboll as a Senior Electrical Engineer specializing in Mission Critical Facilities. In this role, you will lead and execute complex electrical engineering projects, ensuring optimal performance and reliability of critical infrastructure systems. Your expertise will contribute to the design, development, and implementation of cutting-edge solutions that meet the unique demands of mission-critical environments.

Join our dynamic team as a Senior Project Engineer specializing in HVAC Control Systems. In this role, you will lead innovative projects that enhance building performance and sustainability. You will work closely with cross-functional teams to design, implement, and optimize HVAC control systems that meet the specific needs of our clients.Your responsibilities will include overseeing project timelines, managing budgets, and ensuring compliance with industry standards. Your expertise in HVAC control systems will be crucial in delivering high-quality solutions and exceptional customer satisfaction.

ABOUT US:At Sift, we are pioneering the future of machine intelligence with the world’s first comprehensive telemetry stack, and we’re on the lookout for talented individuals to join our dynamic team.Founded with the mission to empower both private and governmental organizations to achieve significant technological advancements, our focus is on cultivating a brighter future through our specialized knowledge and skills.As a member of our team, you will play a crucial role in developing innovative data infrastructure that supports cutting-edge projects in areas such as spacecraft, satellite networks, renewable energy, and autonomous vehicles.We are currently seeking passionate individuals who thrive on tackling complex engineering challenges while contributing to the growth of a fast-paced startup.OUR TEAM:The Sift team comprises elite engineers and operators with backgrounds from esteemed organizations like SpaceX, Google, Palantir, and Amazon. We believe that the best software solutions come from those who are closest to the challenges at hand. One of our founders, Karthik Gollapudi, previously led the Dragon flight software team for two missions to the ISS, utilizing SpaceX’s integrated data platform throughout. Our other co-founder, Austin Spiegel, was instrumental on Starlink’s tools team, overseeing the platform that collected and analyzed data from over 2,000 Starlink satellites.OUR CUSTOMERS:Supported by top-tier investors, Sift is at the forefront of machine innovation, partnering with clients who are redefining exploration both on Earth and in space. We deliver scalable infrastructure and intuitive no-code visualization tools for industries including aerospace, aviation, defense, energy, and transportation.ABOUT THE ROLE:- A Bachelor’s degree in Computer Science, Data Science, Engineering, Mathematics, Physics, or a related STEM field.- Over 7 years of experience in software engineering or data engineering.- Proficient in in-stream data processing and analytics using technologies such as Apache Kafka, Flink, Beam, or similar frameworks.- Familiarity with both relational and non-relational databases, including PostgreSQL, Druid, Pinot, Timescale, or equivalent.- Experience with data exploration tools like Grafana, Jupyter Notebooks, Metabase, PowerBI, or similar platforms.KEY RESPONSIBILITIES:- Architect and implement a horizontally scalable platform capable of ingesting millions of data points from hardware sensors each second, alongside a robust database solution for efficient storage, retrieval, and analysis.- Collaborate closely with customers, including hardware engineers, to comprehend their challenges and develop effective solutions.- Contribute to defining engineering culture, standards, and processes.