Senior Cloud Infrastructure Engineer at Judgment Labs | San Francisco

Role overview Crusoe Energy Systems, Inc. seeks a Staff Cloud Infrastructure Engineer to shape and support its cloud infrastructure, with a primary focus on VMware environments. This position is located in San Francisco, CA. What you will do Design, implement, and maintain scalable cloud infrastructure using VMware technologies. Work closely with team members to support cloud operations for Crusoe's energy solutions. Apply technical expertise to improve reliability and efficiency throughout cloud systems. The team Join a group of engineers committed to building and maintaining cloud platforms that support innovative energy projects.

About ApiphanyApiphany is a trailblazing AI company focused on revolutionizing physical product development. We empower innovators across automotive, aerospace, medtech, and energy sectors to convert vast unstructured technical data into real-time, actionable insights. Supported by elite investors including Markforged, Databricks, GM, and Character, our mission is to transform engineering decision-making, turning complexity into simplicity for leading manufacturers worldwide.Our advanced models are designed to address the intricacies of engineering and manufacturing, comprehending physics principles, design specifications, and program constraints. Our small, elite team consists of builders hailing from prestigious institutions such as Stanford, Berkeley, MIT, UW, and CMU, along with industry veterans from GM, Ford, and Genesis Therapeutics. We are committed to advancing hard-tech and establishing a market-leading company together.About the RoleIn the role of Senior / Staff Infrastructure Engineer at Apiphany, you will architect, build, and manage the infrastructure that underpins our intelligence platform. Your responsibilities will encompass secure, reliable, and scalable cloud deployments, including the unique challenge of deploying across both internal and customer-managed cloud environments.You will ensure our systems adhere to stringent requirements for latency, availability, and compliance within data-intensive environments. Additionally, you will shape our security strategy, implement infrastructure-as-code practices, and establish a solid foundation enabling engineering teams to deliver with assurance.

Future builds digital personal training experiences that connect people with expert coaches through a seamless app. Since 2017, the company has grown from an idea in a San Francisco café to the largest provider of personal training sessions in the US. In January 2025, Future merged with Autograph, founded by Tom Brady, and is expanding its reach through new partnerships and AI-driven coaching tools. Future continues to invest in technology, grow its coaching roster, and form partnerships with leading athletes. The team is focused on shaping the future of fitness by making expert coaching accessible to more people. Role overview This remote Cloud Infrastructure Engineer position centers on designing, building, and maintaining the cloud platform that underpins Future’s products. The role is hands-on and impacts daily operations for engineering teams, focusing on reliability, security, and efficiency. What you will do Develop and maintain infrastructure-as-code best practices using AWS CDK, keeping cloud resources version-controlled, repeatable, and peer-reviewed. Design and manage AWS infrastructure components, such as ECS, RDS Aurora, API Gateway, S3, and networking, with attention to reliability, performance, and cost efficiency. Build and support an observability stack, including structured logging, distributed tracing, and monitoring, to provide insights into system performance. Requirements Strong experience with AWS and a focus on building resilient, automated systems. Commitment to operational excellence, security, and cost efficiency. Emphasis on enabling engineering teams to deliver work quickly and confidently.

About the Role mercor is hiring a Cloud Infrastructure Security Engineer in San Francisco or New York City. This role focuses on protecting cloud-based systems and data across the company. The engineer will design, implement, and monitor security controls to defend cloud infrastructure against threats. What You Will Do Develop and maintain security measures for cloud environments Monitor cloud infrastructure for vulnerabilities and incidents Respond to security threats and support incident investigations Work to ensure compliance with industry security standards Contribute expertise to strengthen overall security posture Location This position is based in San Francisco or New York City.

Join Our Innovative TeamThe Applied Engineering team at OpenAI is dedicated to bridging the gap between research, engineering, product, and design, delivering cutting-edge AI technology to consumers and businesses alike.As a pivotal member of our team, you will manage the core infrastructure that underpins products such as ChatGPT and our API. This includes overseeing our Kubernetes clusters, infrastructure deployment, networking stack, cloud abstractions, and more.Our mission is to learn from our deployments and ensure the responsible and safe use of AI technology. We place a higher priority on safety than on unchecked growth.About Your RoleAs a vital contributor to the cloud infrastructure team, you'll be responsible for constructing and maintaining infrastructure abstractions that facilitate swift and scalable product delivery.This position is based in our San Francisco, CA office.Your Responsibilities:Architect and develop robust development and production platforms that ensure reliability and security at scale.Optimize our infrastructure for scalability to meet future demands.Foster a diverse, equitable, and inclusive work culture that encourages open communication and challenges conventional thinking.Participate in an on-call rotation to maintain the reliability of the systems we build and respond to critical incidents as necessary.You Will Excel in This Position If You:Possess over 5 years of experience in building core infrastructure.Have extensive experience with orchestration systems such as Kubernetes at scale.Are skilled in creating abstractions over cloud platforms.Take pride in developing and managing scalable, reliable, and secure systems.Thrive in environments characterized by ambiguity and rapid change.This role is exclusively located at our San Francisco headquarters. We offer relocation assistance to qualified candidates.

Role Overview mercor is hiring a Cloud Infrastructure Security Engineer in San Francisco. This role focuses on protecting cloud systems, maintaining data integrity, and applying security protocols to guard against new threats. Collaboration with cross-functional teams is central to designing and maintaining secure cloud environments.

Astranis is revolutionizing satellite technology for high orbits, pushing the boundaries of human exploration into the solar system. Our advanced satellites deliver dedicated, secure networks to a diverse clientele that includes large enterprises, sovereign governments, and the US military. With five satellites successfully in orbit and a robust pipeline of launches ahead, we are addressing a significant backlog of over $1 billion in commercial contracts.Astranis is the trusted satellite communications partner for clients demanding exceptional uptime, data security, network visibility, and tailored solutions. Having secured over $750 million in funding from prestigious investors such as Andreessen Horowitz, Blackrock, and Fidelity, we proudly employ a talented team of 450 engineers and innovators. Our state-of-the-art headquarters spans 153,000 sq. ft. in Northern California, USA.Position: Cloud Infrastructure EngineerAs a Cloud Infrastructure Engineer at Astranis, you will play a critical role in designing and implementing infrastructure that is as essential as the satellites it supports, ensuring 24/7 operational reliability. Your expertise will underpin the platforms that Mission Operators rely on to effectively command our satellites and maintain situational awareness. You will also influence our strategic approach to leveraging cloud technology for hosting key applications and enhancing developer productivity.This position supports both commercial and U.S. Government initiatives.

Join Fieldguide as a Staff Infrastructure Engineer and be a vital part of our mission to build scalable and resilient infrastructure solutions. In this role, you will leverage your expertise to design, implement, and optimize our infrastructure systems, ensuring high availability and performance. Collaborate with cross-functional teams to drive innovative projects and improve our operational efficiency.

Join Our Mission at WatershedWatershed is a pioneering enterprise sustainability platform, trusted by industry leaders such as Airbnb, Carlyle Group, FedEx, Visa, and Dr. Martens. Our platform empowers organizations to manage climate and ESG data effectively, generate audit-ready metrics for voluntary and regulatory compliance including CSRD, and actively pursue significant decarbonization efforts. We are seeking passionate team members who are eager to contribute to product development in a mission-driven startup environment, and who are excited to help shape a thriving team culture.With offices in San Francisco, New York, Denver, London, Paris, Berlin, Sydney, Mexico City, and a robust remote workforce across the US and Europe, we aim to create a dynamic and inclusive workplace that welcomes your participation!Your RoleAre you passionate about developing both cutting-edge technology and high-performing teams? Watershed is scaling its world-class engineering team, and we’re looking for an Engineering Manager to lead our Cloud Infrastructure team. This team plays a critical role in enabling our growth by managing the foundational infrastructure that supports Watershed’s multi-region deployments on GCP.We seek a leader who will articulate an inspiring vision for the team, tackle a diverse array of complex challenges, and empower each engineer to achieve their best work. As one of the initial managers in a rapidly growing organization, you will not only influence engineering culture but also the broader culture at Watershed. Together with our leadership and HR teams, you will help foster a diverse, inclusive, and dedicated workforce.Key ResponsibilitiesLead the Cloud Infrastructure team as the primary manager, balancing people management, technical leadership, and product strategy.Inspire and guide the team through significant growth phases ($100M+), including recruiting new talent and adapting the team's vision and objectives as business needs evolve.Collaborate closely with engineering peers and cross-functional partners, including Security and Finance, to align direction, set priorities, and ensure seamless collaboration.

Who We Are:TwelveLabs is at the forefront of developing innovative multimodal foundation models that enable video comprehension akin to human understanding. Our groundbreaking models have set new benchmarks in video-language modeling, enhancing our capabilities and revolutionizing how we engage with and analyze diverse media formats.With an impressive $107 million in Seed and Series A funding, we're supported by premier venture capital firms including NVIDIA’s NVentures, NEA, Radical Ventures, and Index Ventures, alongside influential AI pioneers like Fei-Fei Li, Silvio Savarese, and Alexandr Wang. Our headquarters in San Francisco, complemented by a significant presence in Seoul, highlights our dedication to fostering global innovation.We celebrate the individuality of every team member’s journey, believing that the diverse cultural, educational, and life experiences of our employees fuel our ability to challenge the status quo. We seek passionate individuals who resonate with our mission and are eager to make a significant impact as we advance technology to reshape the world. Join us in redefining video understanding and multimodal AI.About the RoleAs a Senior Staff Infrastructure Engineer at TwelveLabs, you will leverage your technical expertise and leadership skills to construct the systems that drive our multimodal foundation models. Your focus will be on designing and enhancing a scalable, secure, and high-performance infrastructure that accommodates extensive AI workloads across both cloud-based and on-premises environments.This position demands strong technical acumen, an eagerness to delve into low-level systems when necessary, and the capability to influence infrastructure strategy through hands-on contributions and operational improvements. Your impact will be felt through your technical expertise and the results you deliver, rather than through hierarchical status, in a dynamic and fast-paced environment.In this role, you will:Architect and advance cloud and hybrid infrastructure, blending hands-on execution with technical leadership.Guide the development of AI/ML infrastructure components, engaging directly in critical tasks when necessary.Define infrastructure standards and abstractions while maintaining close interaction with production systems.Collaborate closely with Machine Learning Engineers, Data Scientists, Backend Developers, and other key stakeholders to ensure system alignment and efficiency.

Are you a passionate engineer with a knack for building robust infrastructure? Join our dynamic team at fal as a Senior/Staff Infrastructure Engineer. In this pivotal role, you will design and implement innovative solutions that enhance our infrastructure's efficiency and reliability.As a key member of our engineering team, your responsibilities will include:Architecting scalable infrastructure solutions to meet our growing needs.Collaborating with cross-functional teams to identify and resolve infrastructure challenges.Implementing automation tools and frameworks to streamline operations.Monitoring performance and ensuring the security of our systems.Providing mentorship and guidance to junior engineers.We are looking for individuals who thrive in a fast-paced environment and have a deep understanding of infrastructure technologies.

At Lyft, we are dedicated to connecting people and creating a community where every team member feels valued and empowered to reach their full potential.As a pivotal player in transforming how our communities move, Lyft's engineering team is rapidly expanding. We are seeking passionate Software Engineers specialized in Security to join our dynamic Security team. Together, we will enhance our ability to deliver secure services at scale.Lyft is entrusted with the sensitive information of both drivers and passengers, and we take the responsibility of safeguarding that data seriously. Our Security team spearheads initiatives across the organization to protect our systems and uphold user trust.Our work encompasses designing and building a robust security architecture, collaborating with various teams during the development and launch of new products, anticipating potential challenges, and managing security incidents effectively. Our impact spans the entire organization, covering all aspects of the technology stack, including infrastructure, web applications, mobile apps, IT, and even autonomous vehicles. We adopt an engineering-focused approach to security, aiming to automate and streamline our processes while ensuring frequent updates. Explore more about our innovations on our blog at https://eng.lyft.com/tagged/security.The Cloud Security team is dedicated to enhancing Lyft's security posture by architecting a comprehensive security model tailored for our cloud infrastructure, protecting both our employees and intellectual property.As a Senior Software Engineer, you will play a crucial role in shaping this team and driving high-impact security initiatives. Your responsibilities will include leading security reviews, implementing detection measures, addressing vulnerabilities, enforcing the principle of least privilege, and establishing secure configurations for our multi-cloud and container environments.

At Crusoe, our mission is to catalyze the proliferation of energy and intelligence. We are engineering the driving force behind a future where individuals can ambitiously create with AI without compromising on scale, speed, or sustainability.Join us at Crusoe as we lead the charge in the AI revolution through sustainable technology. You will play a pivotal role in fostering meaningful innovation, making a significant impact, and collaborating with a team that is pioneering the development of responsible and transformative cloud infrastructure.Position Overview:We are in search of experienced Staff/Senior Staff Software Engineers who will be tasked with the architecture, design, and development of advanced Cloud Infrastructure management systems and platforms. You will be vital in delivering end-to-end use cases and workflows for our integrated AI-First Crusoe Cloud. Your contributions will be essential in constructing systems and platforms that effectively plan, monitor, deploy, and operate Crusoe Cloud, achieving key business revenue metrics.Your expertise will be crucial in evaluating, implementing, and building platforms, tools, and frameworks that prioritize reliability, scalability, operational efficiency, and user-friendliness. You will enhance our infrastructure planning and management workflows, driving efficiency and improving the overall performance and reliability of our cloud platform as we ambitiously scale our Crusoe Cloud products and services by more than 10X.In this role, you will also develop and refine technical designs and architectures, mentor fellow engineers, and actively contribute to the growth of the team in partnership with engineering managers.Your Key Responsibilities:Engage collaboratively across teams to design, architect, and implement physical infrastructure management software systems and availability platforms that meet end-to-end customer use cases, ensuring an exceptional customer experience.Champion the reliability, scalability, and security of our systems and platforms, acting as the guardian of our infrastructure!Create workflows designed to enhance efficiency and achieve key business objectives and metrics.Design and implement high-performance, highly available cloud architectures, optimizing for both performance and cost-effectiveness.Enhance cloud deployment, configuration management, and operations by developing and maintaining effective platforms, interfaces, and automation tools.Actively participate in the evolution of our platform, working closely with cross-functional teams.

Join the Revolution at CheckAt Check, we are transforming the payroll landscape. Our mission goes beyond just building a successful business; we collaborate with our partners to innovate payroll solutions. As pioneers of embedded payroll, we are reshaping the payment process, enabling payroll businesses to launch, expand, and succeed with ease. Discover our journey | Listen in.Check is more than an API; we are the catalyst for developing and scaling payroll operations.Our TeamThe payroll system is in dire need of innovation. We invite you to join a passionate team dedicated to making an impactful change! At Check, you will leverage creative problem-solving and critical thinking to influence every business we partner with. We view challenges as opportunities for improvement, valuing the unique contributions of each team member in our collective mission.If you're ready to dive in and transform payroll, let's collaborate to simplify complexity and enhance the future for businesses of all sizes.Your RoleAt Check, engineering is our foundation. We believe that payroll should resemble modern financial software; achieving this requires a comprehensive understanding of systems and reliable infrastructure that our partners can trust. Every product we deliver relies on scalable and secure systems that ensure timely payments and payroll processing.We are seeking a Staff Software Engineer who possesses strong software design capabilities coupled with hands-on infrastructure experience. In this position, you will focus on the essential systems that drive payroll operations, enhancing our service scalability, production operations, and empowering engineers with the tools to deliver software confidently and securely.You will collaborate across product and platform areas to enhance our cloud infrastructure, fortify our deployment and monitoring strategies, and streamline the architecture that supports embedded payroll services. The challenges you will address often intersect infrastructure, product, and operational domains.This opportunity is perfect for someone who has managed complex systems end-to-end in a dynamic environment and takes pride in developing resilient, comprehensible infrastructure that is vital to our operations.

Who are we?At Cohere, our mission is to elevate intelligence to benefit humanity. We specialize in training and deploying cutting-edge models for developers and enterprises focused on creating AI systems that deliver extraordinary experiences such as content generation, semantic search, retrieval-augmented generation, and intelligent agents. We view our work as pivotal to the broad acceptance of AI technologies.We are passionate about our creations. Every team member plays a vital role in enhancing our models' capabilities and the value they provide to our customers. We thrive on hard work and speed, always prioritizing our clients' needs.Cohere is a diverse team of researchers, engineers, designers, and more, all dedicated to their craft. Each individual is a leading expert in their field, and we recognize that a variety of perspectives is essential to developing exceptional products.Join us in our mission and help shape the future of AI!Why this role?Are you excited about architecting high-performance, scalable, and reliable machine learning systems? Do you aspire to shape and construct the next generation of AI platforms that enhance advanced NLP applications? We are seeking talented Members of Technical Staff to join our Model Serving team at Cohere. This team is responsible for the development, deployment, and operation of our AI platform, which delivers Cohere's large language models via user-friendly API endpoints. In this role, you will collaborate with multiple teams to deploy optimized NLP models in production settings characterized by low latency, high throughput, and robust availability. Additionally, you will have the opportunity to work directly with customers to create tailored deployments that fulfill their unique requirements.

About Crusoe Energy Systems Crusoe Energy Systems manages every layer of AI infrastructure, from energy generation to advanced computational resources. The team focuses on making AI infrastructure more efficient and environmentally conscious, addressing the growing global demand for computing power. Based in San Francisco, Crusoe brings together experts in energy, manufacturing, data center construction, and cloud services. Role Overview: Senior Software Engineer - Cloud Infrastructure This Senior Software Engineer position centers on designing and building cloud infrastructure management systems for Crusoe Cloud, a vertically integrated, AI-focused platform. The engineer will help deliver complete solutions that support the company’s business goals, including system planning, monitoring, deployment, and operations. The role involves hands-on work developing platforms, tools, and frameworks that emphasize reliability, scalability, operational efficiency, and ease of use. As Crusoe Cloud grows, this engineer will play a key part in streamlining infrastructure planning and management processes. What You Will Do Work closely with cross-functional teams to design and implement infrastructure management software and availability platforms for customers using Crusoe’s AI infrastructure. Help improve the reliability, scalability, and security of systems and platforms. Develop workflows that support business objectives and performance targets. Build and maintain high-performing, highly available cloud solutions to meet expanding infrastructure needs. Who Thrives Here Engineers who enjoy solving complex problems, move quickly, and want to work alongside a diverse, supportive team will find this role rewarding. Crusoe values collaboration and a shared drive to advance AI infrastructure. Location San Francisco, CA - US

At Crusoe, we are on a mission to revolutionize the future by accelerating the abundance of energy and intelligence. We are building the foundational engine that empowers individuals to create bold innovations with AI while ensuring sustainability, speed, and scalability.Join us in the forefront of the AI revolution with cutting-edge sustainable technology. You will play a pivotal role in driving meaningful innovation, making a significant impact, and collaborating with a team that is leading the way in responsible, transformative cloud infrastructure.About the RoleAs a Senior Staff Cloud Support Engineer, you will serve as a technical expert within Crusoe Cloud and significantly enhance the efforts of our Customer Experience, SRE, Networking, Fleet, and Product teams. Your role transcends basic ticket resolution; you will design reliability frameworks, influence architectural decisions, mentor senior engineers, and safeguard revenue by averting large-scale incidents. With profound expertise in Linux systems, Kubernetes, networking, and AI/ML infrastructure, you will apply your knowledge with a strong focus on customer satisfaction. You will be comfortable navigating uncertainty, leading incident responses, and shaping the global scaling of high-performance AI infrastructure.Key ResponsibilitiesAct as the top escalation point for complex P1/P0 incidents.Lead cross-functional investigations into root causes involving compute, networking (IB/RDMA/RoCE), storage, and orchestration layers.Collaborate with SRE and Software teams (Storage, Networking, Compute, K8) to devise systemic solutions rather than temporary fixes.Reliability ArchitectureDesign and enhance node validation, burn-in processes, performance baselining, and release readiness.Influence Kubernetes architecture, workload orchestration (Slurm, Terraform), and AI/ML cluster stability.Minimize MTTR and prevent incident recurrence through structural enhancements.AI/ML Infrastructure ExpertiseTroubleshoot NCCL, IB, GPU driver/firmware issues, and distributed training failures.Support complex AI workloads (training + inference) through performance tuning and observability enhancements.Customer-Facing AuthorityAct as a senior technical advisor during high-stakes customer incidents.

Join our innovative team at fal as a Staff Software Engineer specializing in large-scale computation platforms. We are seeking a seasoned software engineer with extensive experience in developing backend systems that efficiently orchestrate workloads and manage resource constraints. Your expertise in foundational cloud infrastructure and Linux provisioning will be crucial as you work towards achieving high reliability and scalability with minimal operational overhead.

About Us:At novita-ai, we are a rapidly growing global provider of AI cloud infrastructure, leading the charge in the artificial intelligence revolution. Our innovative platform equips developers and enterprises with powerful, scalable, and user-friendly solutions such as Model APIs, GPU Instances, and Serverless Computing. As organizations around the globe strive to integrate AI into their offerings, we serve as the essential engine that fuels their innovative efforts.Join our world-class team and contribute to our expanding customer base. This unique opportunity allows you to be part of a dynamic company in a hyper-growth market, where your technical skills will directly impact customer success and drive our business forward.The Role:As a Solutions Engineer, you will act as the primary technical leader and trusted advisor for our clients throughout their journey. You will collaborate closely with the sales team to bridge the gap between complex customer challenges and our sophisticated technical solutions. Your mission is to build technical credibility, demonstrate the capabilities of our platform, and design tailored solutions that empower our clients to achieve their AI-related business objectives.What You'll Do:Technical Discovery & Solution Design: Collaborate with Account Executives to gain a deep understanding of customer needs, technical requirements, and business goals. Develop elegant and effective solutions utilizing our AI infrastructure stack (Model APIs, GPU Instances, Serverless).Product Demonstration & Proof of Concept (POC): Conduct engaging, customized product demonstrations and interactive workshops. Plan, manage, and execute successful POCs, showcasing the value and performance of our platform within the client’s environment.Technical Evangelism & Trusted Advisory: Communicate the value proposition of our platform to diverse audiences, including both technical and non-technical stakeholders, from engineers to C-level executives. Establish yourself as the go-to expert for customers on best practices in AI infrastructure.Sales Enablement & Market Feedback Loop: Create and maintain technical sales materials, including whitepapers, best practice guides, and demo scripts. Serve as the voice of the customer, relaying valuable feedback from the field to our Product and Engineering teams to influence our product roadmap.Onboarding & Implementation Guidance: Facilitate a seamless post-sales transition by providing initial onboarding support and architectural guidance, setting customers up for sustained success.