Senior/Staff Backend Engineer - Distributed Systems at Zettabyte Space

About Zettabyte SpaceAt Zettabyte Space, we are dedicated to revolutionizing AI computing by making it ubiquitous, seamless, and limitless. Our vision is to create a cloud where AI operates effortlessly—anytime, anywhere. Join us in designing the infrastructure for an AI-first future.Role OverviewWe are seeking a skilled Backend Engineer to develop systems t…

Senior/Staff Security EngineerAbout ZettabyteAt Zettabyte, we are pioneering the infrastructure layer for an AI-first future. Our vision is to make AI computing ubiquitous, seamless, and limitless, enabling secure operation of AI workloads on a cloud platform that scales anywhere, anytime.We provide a multi-tenant GPU cloud designed for AI developers and enterprises, where security is not just a support function, but a core platform capability.The Role's PurposeAs Zettabyte expands its high-performance AI compute platform, we face unique security challenges that traditional models cannot adequately address. With multi-tenant GPUs, high-speed networking, and untrusted customer workloads, we need innovative solutions. We seek a Staff Security Engineer to define and lead the security architecture of our platform, shaping how we build isolation, detection, and trust from the ground up.This position is perfect for someone who excels in dynamic environments, embraces ambiguity, and is excited about creating scalable security systems that enhance business agility.Key ResponsibilitiesOversee the end-to-end security architecture for multi-tenant Kubernetes GPU clusters.Design and implement tenant isolation, egress control, and network segmentation across compute, storage, and networking layers.Define and deploy runtime security and intrusion detection mechanisms for untrusted AI workloads.Create security primitives (identity, secrets management, encryption, policy enforcement) for use by platform teams.Ensure the security of the software supply chain, from CI/CD pipelines to container admission.Lead threat modeling and security design reviews for new platform features.Drive compliance readiness (SOC 2, ISO 27001) while maintaining engineering velocity.Act as a force multiplier: enabling teams, establishing standards, and enhancing the organization's security posture.Lead security incident response and transform incidents into systemic improvements.Candidate ProfileExperience and Skills: Proven experience in security engineering, cloud security, and the design of secure systems.Educational Background: Bachelor's Degree in Computer Science or a related field preferred.Personal Attributes: Strong analytical skills, attention to detail, and the ability to thrive in a fast-paced environment.

About the Role Censys is looking for a Senior Software Engineer with a focus on backend development and distributed systems. This fully remote position (US-based) centers on designing and building large distributed systems that support our cybersecurity products. What You Will Do Design and implement scalable backend systems for cybersecurity applications Improve existing platforms and infrastructure Develop new features to address customer needs as they evolve Location Remote within the United States

Join Travoom as a Senior Rust Backend Engineer specializing in Distributed Systems. In this key role, you will leverage your expertise in Rust to design and implement robust backend systems that power our innovative solutions. You will collaborate with cross-functional teams to develop scalable architectures, ensuring our applications perform efficiently in a distributed environment.

Join us in transforming how the Department of Defense approaches multi-billion-dollar force-design decisions. As a Senior Backend Platform Engineer, you will integrate physics-driven simulations, interactive computing, and validated AI code generation to develop cutting-edge wargaming platforms. If the prospect of creating ultra-low-latency APIs, managing high-volume geospatial data, and leading with clean, production-ready Python excites you, we want to hear from you!Your ResponsibilitiesOwn the service layer: Design, build, and scale FastAPI microservices and ultra-fast ZeroMQ messaging pipelines in Kubernetes and bare-metal clusters.Wrangle data at speed & scale: Shape and query multi-TB Postgres/PostGIS datasets, orchestrate Redis for sub-millisecond state, and ensure stability under bursty loads.Glue the stack together: Expose crisp, well-versioned REST & WebSocket endpoints for the frontend team and simulation kernel.Ship continuously: Automate CI/CD, observability, and security hardening to meet DoD standards; deploy to production with confidence.Lead by example: Drive code reviews, mentor team members, and set the standard for test coverage and documentation.Why Choose Code Metal?Mission with Impact: Your work will contribute to the digital infrastructure of modern battlefields, influencing multi-billion-dollar defense acquisitions.Velocity: Work in tight-knit teams with weekly releases and no bureaucratic delays.Ownership: Every engineer is empowered to ship significant code without being a passenger.

Role Overview Censys is looking for a Backend Software Engineer focused on distributed systems. This is a fully remote position within the United States. The team builds and maintains backend services that power Censys technology. What You Will Do Design, develop, and maintain backend services for distributed systems Work closely with other engineers to solve complex technical challenges Contribute to the performance and reliability of core backend infrastructure Who We're Looking For Experience building high-performance backend systems Interest in distributed systems and scalable architectures Comfort working collaboratively in a remote team

Join BryceTech as a Senior Space Systems Engineer, where you will play a pivotal role in designing and developing advanced space systems. You will collaborate with a team of skilled engineers and scientists to drive innovation in aerospace technology.

OverviewJoin zettabyte-space as an Outbound Product Manager, where you will leverage your extensive technical expertise in GPU cloud infrastructure alongside your keen customer insights. You will directly engage with enterprise and AI clients, assess competitive products, and contribute structured, data-driven recommendations to inform our product development and market strategies.Key ResponsibilitiesCustomer Engagement: Collaborate closely with enterprise clients, AI developers, and ecosystem partners to identify workload trends, challenges, and technical needs.Competitive and Market Analysis: Continuously monitor and evaluate GPU cloud competitors (e.g., CoreWeave, Lambda, RunPod, AWS, Azure, GCP) focusing on performance, pricing, scalability, and customer satisfaction.Framework Insight: Develop and maintain a comprehensive understanding of industry evaluation frameworks (e.g., ClusterMax, NVIDIA Cloud validation) to refine our product differentiation strategies.Feedback to Product: Translate customer and market insights into actionable requirements and recommendations for Product and Engineering teams.Ecosystem Collaboration: Work alongside GPU and AI ecosystem partners (e.g., NVIDIA, AMD) to ensure alignment with performance and interoperability standards.PoC Support: Partner with Field Application Engineers and Solution Engineers during customer Proof of Concepts to gather structured feedback and ensure effective deployment.Thought Leadership: Serve as a thought leader on AI/GPU cloud market trends, sharing insights through internal briefings and executive updates.

Title: Senior Distributed Systems Engineer Location: Remote – United States Department: Engineering Classification: Exempt, Full TimeAs a Senior Distributed Systems Engineer, you will play a pivotal role in architecting and enhancing distributed systems designed to maintain reliability even in challenging conditions. Your expertise will ensure the creation of loosely coupled, resilient systems that perform effectively in environments characterized by high latency, low bandwidth, or intermittent connectivity.This role is essential in guaranteeing seamless data flow, effective service coordination, and predictable behavior of distributed components, even under variable network conditions.ResponsibilitiesDesign and architect distributed systems capable of tolerating latency and bandwidth limitations.Create loosely coupled services to minimize fragility across systems.Implement strategies for fault-tolerant communication and state synchronization.Prioritize system design for correctness, durability, and recovery.Develop solutions that incorporate retry logic, backpressure, caching strategies, and eventual consistency patterns.Ensure that systems degrade gracefully rather than failing catastrophically.Design and maintain APIs and communication layers among distributed components.Identify and mitigate tight coupling between services.Diagnose and resolve cross-system failures in production environments.Write efficient and production-grade code in Rust or Go.Optimize system performance and memory usage in resource-constrained environments.Debug issues related to network behavior, concurrency, and distributed coordination.

Software Engineering InternJoin Zettabyte, where our mission is to make AI computations ubiquitous, seamless, and limitless. We are developing a cloud environment that allows AI to operate effortlessly—anywhere, anytime. Experience the future with us as we embody the motto: "AI Power. Everywhere." Be an integral part of the team that designs infrastructure for an AI-driven world.Why We Need YouWe are in search of a passionate Software Engineering Intern to assist in constructing the systems that fuel our GPU cloud platform. You will be contributing to production-level code across cloud-native infrastructure, platform tools, and backend services, collaborating with a dynamic senior engineering team that prioritizes speed and impactful results.This internship offers a unique chance for individuals eager to engage with AI infrastructure at scale within a rapidly growing startup. From day one, you will take ownership of significant projects—not just completing tickets.Your ResponsibilitiesDevelop and maintain cloud-native services and tools supporting our GPU cloud platform.Utilize Kubernetes to manage, schedule, and optimize GPU workloads across clusters.Design and implement APIs, automation scripts, and internal tools to enhance platform reliability and user experience.Contribute to infrastructure-as-code practices, CI/CD pipelines, and deployment automation.Create clean, well-documented code and participate in code reviews.Collaborate across infrastructure, product, and research teams to deploy real features.Utilize AI-assisted coding tools (e.g., GitHub Copilot, Cursor IDE, ChatGPT) to accelerate development and improve code quality.You Will Excel Here If YouAre currently pursuing a B.S. or M.S. in Computer Science, Engineering, Mathematics, or a related discipline.Possess strong programming skills in Go (Golang), Python, C/C++, or similar languages.Demonstrate a solid understanding of mathematics and computer science fundamentals—algorithms, data structures, discrete mathematics, or systems.Have hands-on experience with Kubernetes, Docker, or other cloud-native technologies.Are familiar with cloud platforms such as GCP, AWS, or Azure and understand how infrastructure components interact.Have experience with Git/GitHub and feel comfortable in Linux/Unix environments.Can effectively communicate complex technical concepts to diverse audiences.

Growth Operations InternLocation: Bay Area, CA (Remote/ Hybrid / Onsite)Duration: 3-6 months internship (with potential for extension)About UsAt zettabyte-space, we are pioneering a state-of-the-art AI infrastructure platform designed to empower developers and organizations in training, fine-tuning, and deploying machine learning models on a large scale.Our innovative platform offers high-performance GPU computing, scalable AI infrastructure, and user-friendly tools that streamline the development and execution of AI applications. We collaborate with AI startups, developers, and research teams that are at the forefront of AI innovation.The RoleWe are in search of a Growth Operations Intern to assist in driving user acquisition and engagement for our AI platform.In this position, you will work at the intersection of growth, product, and operations, focusing on attracting new users, enhancing onboarding processes, and boosting user retention through data-driven initiatives and community outreach.This opportunity is perfect for students with a keen interest in AI startups, growth strategies, developer platforms, or data-driven product development.What You'll DoDesign and implement user acquisition campaigns aimed at attracting new developers and AI teams.Assist in developing user onboarding and activation programs.Support initiatives to enhance user engagement and retention, including referral programs and community events.Analyze key growth metrics such as user acquisition, activation, retention, and engagement.Create straightforward reports or dashboards to monitor growth performance.Collaborate with product and engineering teams to refine onboarding processes and enhance user experience.Gather feedback from developers to identify and act on opportunities for platform improvement.What We're Looking ForCurrently enrolled in a Bachelor’s or Master’s degree program in a relevant field.Passionate about AI, startups, or developer platforms.Strong analytical skills and comfort with data analysis.Proficient in Excel, Google Sheets, or analytics tools.

CyberArk is seeking a Staff Software Engineer to help design and build core components of its cloud and distributed systems platform. This position centers on developing secure, scalable solutions that protect sensitive data and support efficient operations. Role overview This engineer will take on architecture and development responsibilities for the platform, working with multiple teams to deliver reliable software. The role involves solving complex technical problems and contributing to the ongoing evolution of CyberArk’s cloud offerings. Collaboration Expect to partner with cross-functional groups, sharing insights and aligning on technical direction. Teamwork and open communication are important for success in this environment. What you bring Experience building and maintaining cloud or distributed systems Strong problem-solving abilities Comfort working collaboratively on challenging projects This position is based in Santa Clara.

About Us: Fortanix is pioneering the realm of data-centric cybersecurity within hybrid multicloud environments. As data proliferates across various clouds and devices, traditional security measures fall short. We empower businesses with innovative solutions to combat persistent cyber threats, ensuring agile and robust data security through cutting-edge cryptography and encryption techniques.With data breaches on the rise, our focus is on data exposure management, safeguarding your information with a unified security platform that identifies, assesses, and mitigates risks. Whether implementing a Zero Trust approach or adapting to the post-quantum computing landscape, we assist enterprises globally in protecting their most sensitive data, anytime and anywhere.Our relentless pursuit of solving the world’s most complex data security challenges has garnered numerous accolades, including Cybersecurity Excellence and Innovation Awards, and recognition from industry leaders such as NVIDIA, Microsoft, Intel, ServiceNow, and Snowflake.At Fortanix, we pride ourselves on fostering a culture of trust, innovation, and collaboration, where every team member's voice is heard. Recognized as a Great Place to Work, we invite passionate individuals to join us in shaping the future of data security and creating a safer digital landscape.

Observable Space is at the forefront of space observation technology, offering revolutionary hardware and software solutions essential for organizations operating in space. By pioneering the industry’s first fully integrated range of products, we are enabling continuous, real-time monitoring of celestial phenomena. As a leader in advanced telescope design and manufacturing in the United States, our comprehensive suite of products caters to various sectors of the space industry, including commercial ventures, scientific research, educational institutions, government agencies, and astronomy enthusiasts.Supported by esteemed institutional investors such as Upfront Ventures, Oceans Ventures, Venrex, Marlinspike Partners, and Embedded Ventures, we are committed to driving innovation in space technology.Role OverviewIn the role of Test Engineer for Ground Systems, you will engage with a diverse array of products, concentrating on robotic ground-based telescope systems and observatory infrastructures. Your primary responsibility will be to design, develop, and manage testing systems that assess the performance, reliability, and integration of our cutting-edge hardware and software under real-world conditions.This hands-on position requires direct interaction with physical systems, the creation of automated testing frameworks, simulation of operational scenarios, and troubleshooting complex challenges across electrical, mechanical, and software domains. You will report to the Systems or Embedded Engineering Lead.Key ResponsibilitiesDesign, implement, and document testing systems for ground-based observatory and telescope platforms.Create and sustain automated testing frameworks that verify system performance, reliability, and integration.Construct and manage hardware-in-the-loop (HIL/HITL) and system-level testing environments.Develop simulation environments to replicate real-world operating conditions, including sensor inputs, control systems, and communication interfaces.Diagnose intricate issues across hardware and software interfaces, focusing on intermittent and edge-case failures.Collaborate extensively with embedded, electrical, mechanical, and software teams to ensure thorough system validation.Establish and execute test plans, validation procedures, and performance benchmarks.Assist in hardware integration, bring-up, and field testing of ground systems.

Join our innovative team at Airship as a Senior Distributed Systems Engineer where you will play a crucial role in designing and implementing scalable distributed systems. You will collaborate with cross-functional teams to deliver high-quality solutions that enhance our platform's performance and reliability.In this role, you will apply your expertise in distributed computing, cloud technologies, and system architecture to tackle complex challenges. Your contributions will directly impact our ability to meet customer needs in a dynamic environment.

About the Institute of Foundation ModelsThe Institute of Foundation Models (IFM) specializes in designing and operating large-scale GPU supercomputing systems aimed at training cutting-edge foundation models. Our philosophy places emphasis on the interdependence of performance, fault tolerance, and scalability across various components, including model architecture, communication systems, runtime, and hardware topology.This position is pivotal to our mission — enhancing communication performance, distributed reliability, and cross-layer optimization for extensive training workloads.The MissionWe seek a highly skilled engineer to collaboratively design and optimize the communication stack for large-scale distributed training, with a focus on hybrid parallelism and Mixture-of-Experts (MoE) workloads. This is a systems-level engineering role centered on performance enhancement, distributed debugging, and communication-runtime co-design.· Design and optimize expert-parallel and hybrid-parallel communication patterns· Drive high-performance hierarchical collectives for MoE workloads· Co-design runtime orchestration with communication topology awareness· Mitigate tail latency and enhance determinism across thousands of GPUs· Architect fault-tolerant distributed execution that withstands real-world cluster failuresCore Technical Scope· Communication-compute overlap and topology-aware collective optimization· In-depth debugging of NCCL, RDMA, and custom communication layers· Implementing hybrid expert parallel strategies in modern large-scale MoE systems· Developing elastic and resilient distributed job orchestration concepts· Conducting congestion analysis and routing optimization across InfiniBand/RoCE fabrics· Executing microbenchmarking and performance modeling for communication-intensive workloadsExpected Technical Depth· Expertise in hybrid expert parallel communication strategies

At Observable Space, we are pioneering the future of space exploration by providing essential tools and technologies that empower organizations to thrive in the cosmos. Our innovative approach combines state-of-the-art telescopes and sophisticated software architecture, establishing a new standard for real-time space observation. As a leader in advanced telescope design and manufacturing in the U.S., our extensive range of products caters to various sectors of the space industry, including commercial enterprises, scientific research, educational institutions, government agencies, and astronomy enthusiasts.Supported by esteemed investors such as Upfront Ventures, Oceans Ventures, Venrex, Marlinspike Partners, and Embedded Ventures, we are committed to driving excellence in the field of space technology.Role SummaryWe are excited to expand our Spacecraft Payload Manufacturing team and are in search of a Lead Technician to oversee a diverse team of technicians in the assembly of cutting-edge on-orbit space systems.

Infleqtion is at the forefront of atom-based quantum technology, recognized as the most scalable and commercially viable platform for quantum advancements. Our mission encompasses the development of quantum information processing systems, precision timekeeping solutions, and innovative quantum sensing technologies.With a global presence that includes offices in Boulder, CO; Madison, WI; Chicago, IL; Oxford, UK; and Melbourne, AU, we are dedicated to fueling innovation in the field of quantum technology.As a dynamic deep-tech startup, Infleqtion thrives on a results-driven, fast-paced culture that prioritizes customer satisfaction. We are currently seeking a highly skilled Staff Systems Engineer to play a pivotal role in executing multidisciplinary government and commercial R&D projects within our Emerging Technologies portfolio. Initially, this position will focus on providing essential support to our Quantum Gravity Gradiometer pathfinder program in collaboration with NASA.Key Responsibilities:Collaborate with internal teams and clients across various programs to develop and manage system architectures, subsystem functions, and interface requirements for quantum technology platforms, including sensors, clocks, and control systems.Implement lean, standardized systems engineering practices and processes to support projects ranging from advanced technology R&D to early product development stages.Partner with team members to refine and enhance our Product Lifecycle (PLC) policy and workflows, optimizing efficiency and value.Ensure consistent application of systems engineering tools (e.g., Jama) and methodologies across all projects.For selected key R&D projects:Define the scope of internal PLC and associated deliverables.Track and support the execution of tasks and deliverables throughout the PLC phases.Prepare and facilitate gate reviews with project teams.Provide systems engineering expertise for key projects.Develop critical systems engineering documents (requirements, interface control, architecture, test plans, etc.).Work with cross-functional teams to maintain system configuration and documentation.

At Logos Space, we are transforming the satellite communication landscape with our Low Earth Orbit (LEO) satellite system, specifically designed to meet the connectivity demands of both commercial enterprises and government entities. Our mission is to bridge a vital gap in the market by offering resilient, high-performance satellite-based connectivity solutions that cater to customers worldwide. We ensure that our business clients receive the performance standards they expect for their broadband services, as we build these capabilities into our system from the ground up. Our focus on speed and reliability ensures seamless cloud and data center connectivity across the globe, serving fixed, maritime, and aerial terminals.Led by a team of highly skilled engineers with extensive experience in the networking and satellite sectors, Logos Space is committed to innovation and excellence.Position Summary & ResponsibilitiesJoin our Mechanical Engineering team at Logos Space, where you will play a crucial role in the design, development, flight validation, assembly, integration, testing, and operational success of our spacecraft fleet. Our team is also responsible for developing the necessary facilities and ground support equipment. You will support both bus and payload activities throughout the entire process, from conceptualization to flight readiness.We are looking for passionate engineers who thrive in a dynamic environment and excel at transforming conceptual designs into tangible hardware ready for testing and flight. If you love tackling challenging problems, we want you on our team!Key Responsibilities:Analysis & Modeling:Utilize industry-standard software (e.g., Ansys Thermal Desktop, NX Space Systems Thermal, FEMAP/NASTRAN) to develop detailed thermal models of spacecraft components and systems.Conduct thorough thermal analyses (steady-state, transient, worst-case) considering various orbital environments and operational conditions.Refine analytical predictions by correlating thermal models with test data.Hardware Design & Implementation:Design and specify passive thermal control hardware (e.g., MLI, radiators, heat pipes).Design and specify active thermal control components (e.g., heaters, thermostats, sensors).Oversee the procurement, manufacturing, and integration of thermal control hardware.

Anduril Industries is a pioneering defense technology firm dedicated to revolutionizing military operations for the U.S. and allied forces through cutting-edge technology. By integrating the innovation and expertise typical of 21st-century tech companies into the defense sector, we are reshaping the design, production, and sales of military systems. Our suite of systems operates on Lattice OS, an AI-driven platform that synthesizes vast data inputs into an interactive, real-time 3D command and control hub. As global strategic dynamics shift, Anduril is committed to delivering next-generation AI, autonomy, computer vision, sensor fusion, and networking technologies to the military in a matter of months rather than years.ABOUT THE TEAMOur Space team is focused on extending our AI-enhanced capabilities to outer space, improving Space Domain Awareness, Space Control, and Command and Control for U.S. military and allied partners. We are creating fully integrated hardware and software systems, including Lattice for Space Missions and modular payloads, to tackle emerging threats in the space domain and maintain our Guardians' strategic superiority.ABOUT THE JOBWe are seeking a highly skilled Senior Systems Engineer to join our dynamic team in Costa Mesa, CA. In this pivotal role, you will collaborate closely with the Chief Engineer of Space Missions and the Growth/Strategy leads of the Orbital Systems team to define technical strategies and roadmaps that effectively utilize existing Anduril technologies and newly developed solutions to meet customer mission objectives. Your contributions will span pre-award demonstrations, initial contract phases, and full contract execution. As a Senior Systems Engineer, you will work within a multidisciplinary engineering team to ensure the efficient development and delivery of innovative hardware and software solutions tailored to our clients' needs.This role encompasses leading the design of complex, integrated systems for on-orbit operations and demonstrations, including managing sub-contracted team members and strategic partnerships. You will be responsible for facilitating effective technical development and integration across organizational boundaries in an agile development framework, adhering to a continuous integration and continuous deployment model. Additionally, you will balance the introduction of new capabilities with the integration of existing Anduril capabilities while effectively communicating development progress to customers.The Senior Systems Engineer will oversee all technical aspects of program execution from proposals to System Requirements Review (SRR), Preliminary Design Review (PDR), Critical Design Review (CDR), Manufacturing Readiness Review (MRR), Test Readiness Review (TRR), assembly, qualification testing, and the delivery of flight units for launch.