Infrastructure Security Software Engineer

Who We AreServal is an innovative AI-driven automation platform redefining operational efficiency for enterprises. Our intelligent agents seamlessly comprehend and execute real-world workflows, replacing outdated manual processes with adaptive, self-learning software. Since our inception in early 2024, we have garnered the trust of industry leaders such as General Motors, Notion, Perplexity, Vercel, Mercor, LangChain, and Verkada, streamlining high-volume operational tasks across their organizations.At the heart of Serval is a cutting-edge agentic AI platform that transforms natural language into actionable workflows. Our agents not only respond to queries but also reason, act across various systems, and continuously enhance their performance. What started as a solution for operational tasks has rapidly expanded into a versatile AI automation layer utilized across IT, HR, Finance, Security, Legal, and Engineering sectors.Our mission is to eradicate repetitive, manual tasks within enterprises, empowering teams through intelligent automation. In the long run, we aim to establish a universal AI operations layer—a system of agents that integrates across business functions, maintaining the momentum of modern companies.We are proud to be backed by renowned investors including Sequoia Capital, Redpoint Ventures, Meritech, First Round, General Catalyst, and Elad Gil, and founded by seasoned product and engineering leaders from Verkada.Role OverviewAs a Senior Software Engineer in Infrastructure at Serval, you will be pivotal in developing and scaling the core systems that empower our AI agents and workflow automation platform. A crucial aspect of this role involves enabling and supporting self-hosted deployments for enterprise clients needing on-premises or private cloud environments. We are looking for engineers with profound expertise in distributed systems, infrastructure-as-code, production operations, and customer-facing support, who aspire to influence the technical architecture of a rapidly evolving platform.What You'll DoDesign, implement, and operate large-scale distributed systems that power Serval's AI agents, workflow orchestration, and data pipelines.Create and maintain Terraform modules to provision and manage cloud infrastructure across AWS, GCP, or Azure environments.Develop and sustain deployment packages, installation scripts, and infrastructure templates, enabling customers to self-host Serval in their own environments.Provide technical support and guidance to enterprise customers during installation and deployment phases.

Join our innovative team at Astranis as a Senior Software Engineer specializing in Infrastructure. In this role, you will be responsible for designing, implementing, and maintaining robust infrastructure solutions that support our cutting-edge satellite technology. Your expertise will play a crucial role in enhancing the reliability and scalability of our systems.

About SentrySentry is dedicated to eliminating poor software experiences. Our mission is to empower developers to create high-quality software swiftly, allowing everyone to enjoy technology to its fullest.With over $217 million raised in funding and a community of over 100,000 organizations, including giants like Disney, Microsoft, and Atlassian, we are developing state-of-the-art performance and error monitoring tools. Our solutions help our partners minimize time spent on bug fixes and maximize product development.In our commitment to collaboration, Sentry follows a hybrid work model across our global offices. We have designated Mondays, Tuesdays, and Thursdays as in-office days to foster effective teamwork. If you are passionate about building tools that enhance the digital experience, join us in creating the next generation of software monitoring solutions.About the RoleAt Sentry.io, we offer vital services for diagnosing application health issues. Our tools are crucial for organizations aiming to respond adeptly in dynamic markets. We ensure a seamless and enjoyable experience in the development and deployment of these tools through a robust continuous integration environment and an insightful deployment pipeline.As part of the Infrastructure Engineering team, your contributions will be instrumental in supporting Sentry's growth and enabling engineering teams to operate with agility and confidence.Your responsibilities will include designing, developing, and maintaining internal software and platform capabilities that alleviate the cognitive load associated with infrastructure and developer tooling. You will create dependable, reusable abstractions that facilitate rapid shipping of features while incorporating durability, security, and operational excellence into service development and management.This role demands strong engineering judgment: selecting reliable technologies, planning for scalability from the outset, and crafting solutions that serve multiple teams. Your focus will be on practical systems that enhance reliability and ownership across the organization, driving adoption through comprehensive documentation, well-designed APIs, and seamless developer experiences that integrate into daily workflows.Ultimately, you will empower engineering teams to flourish within a culture of ownership—enabling them to deploy, manage, and evolve services confidently while minimizing operational burdens.Key ResponsibilitiesDesign systems that scale with company growth, ensuring a balance of reliability, performance, and cost-efficiency.Develop platform services that enhance internal operations and developer productivity.

Compensation: Competitive base salary + substantial equityBenefits: Health & dental insurance, gym reimbursement, daily team lunches, 401(K)About JuliusAt Julius, we're pioneering advancements in applied AI by developing cutting-edge coding agents. Our platform executes approximately 1 million lines of code every 36 hours, serving over 1 million users and generating 3 million+ visualizations. We manage all code in isolated remote containers. As a revenue-generating entity, we are backed by AI Grant and founders with remarkable backgrounds from companies like Vercel, Notion, Perplexity, Palantir, Replit, Zapier, Intercom, and Dropbox.The RoleJoin us in building and scaling the robust code-execution platform that powers Julius, across both cloud and on-prem environments. We orchestrate over 500,000 containers/month and the demand is growing rapidly. You will take ownership of reliability, performance, and security within our multi-tenant compute environment.Your ResponsibilitiesDesign and manage a secure, multi-tenant container infrastructure that ensures quick startup and intelligent autoscaling.Implement on-prem/private cloud deployments using Helm and Terraform, integrating SSO, network controls, and audit logging.Enhance observability (metrics, traces, logs) with well-defined SLOs and lead incident response initiatives.Optimize images, scheduling, networking, and costs, while developing fair-use and rate-limiting controls.Your QualificationsStrong experience with production Kubernetes and container internals (Docker/containerd); solid understanding of networking principles.Familiarity with cloud environments (AWS/GCP/Azure) and Infrastructure as Code (Terraform/Helm).Proficiency in monitoring and logging tools (Prometheus, Grafana, OpenTelemetry, ELK/Vector).Understanding of security best practices for containerized, multi-tenant systems.Preferred QualificationsExperience with gVisor, Kata, Firecracker; Cilium/eBPF; GPU scheduling; serverless autoscaling (KEDA/Knative/Karpenter).Proven experience delivering on-prem or air-gapped enterprise software solutions.A passion for AI, with experience building side projects involving LLMs.Why Join Julius?Be part of a small, senior team where your contributions will have a massive impact. Tackle challenging infrastructure problems at a meaningful scale.

Senior Software Engineer, Infrastructure & PlatformRole OverviewIn the role of Senior Software Engineer, Infrastructure & Platform at AfterQuery, you will take on the exciting challenge of designing and constructing the essential infrastructure that drives our innovative data generation, evaluation, and agentic systems.Your responsibilities will include developing shared platforms that empower our engineering and research teams to execute large-scale human-in-the-loop workflows, evaluation harnesses, and automated data pipelines essential for training cutting-edge AI models.This position demands a high level of technical expertise and offers extensive ownership. You will be responsible for architecting and building the foundational infrastructure relied upon by numerous engineers, ensuring that systems are scalable, reliable, and capable of handling high-throughput workloads.Collaboration with the founding team will be key as you define system architecture, establish best engineering practices, and create the infrastructure that supports the evolution of AI development.

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.

Why Join Doppel?At Doppel, we are dedicated to tackling one of the most significant threats posed by AI: mass-manufactured social engineering. With scams, deepfakes, and social engineering attacks proliferating across digital platforms such as websites, social media, advertisements, encrypted messaging apps, and mobile devices, our mission is both simple and ambitious: to enhance internet safety by outsmarting the fastest-evolving digital threats.Supported by renowned investors like a16z and Bessemer, and trusted by industry leaders such as OpenAI, United Airlines, and Coinbase, Doppel is on a rapid growth trajectory. If you are passionate about addressing real-world challenges through innovative technology, we want to hear from you!What We're BuildingWe are developing an AI-driven platform to combat social engineering on a large scale. This involves creating scalable systems that monitor billions of domains, social media accounts, applications, and dark web forums, utilizing AI agents to detect and neutralize digital threats effectively.What We're Looking ForWe are in search of a skilled backend engineer to enhance the infrastructure needed for our rapidly expanding engineering team. Recent projects include:Developed a self-hosted Elasticsearch infrastructure on Kubernetes, facilitating real-time search capabilities across millions of alerts and associated metadata.Established core infrastructure using Terraform (Infrastructure as Code), enabling reproducible, version-controlled environments and expediting onboarding for new engineers.Implemented a dedicated staging environment, which enhances safety during releases, feature validation, and automated integration testing prior to production deployments.Introduced observability and tracing mechanisms (metrics, logging, distributed tracing), significantly improving our capacity to debug performance issues and sustain reliability at scale.What We Offer A mission-driven culture emphasizing low ego, high accountability, deep customer focus, and exceptional talent density. Complimentary lunch and dinner in the office. Flexible Paid Time Off (PTO). Quarterly team offsites.

Join our dynamic team at Parafin as a Senior Software Engineer specializing in Infrastructure. In this pivotal role, you will design, develop, and maintain robust infrastructure solutions that support our scalable applications. Your expertise will help us enhance system performance, reliability, and security.We are looking for innovative thinkers who thrive in a collaborative environment. You will work closely with cross-functional teams to implement cutting-edge technologies that drive our product forward.

Join Convex in revolutionizing application development!At Convex, we are on a mission to redefine how software is constructed on the Internet. Our innovative platform enables developers to create swift, dependable, and dynamic applications without the need for a backend team. We offer a comprehensive full-stack application platform, meticulously designed with abstractions for databases, computing, and backend services, allowing both developers and LLMs to innovate rapidly, ensuring products that are scalable and maintain simplicity throughout their lifecycle.About Our Team:Our Convex team comprises engineers who have architected and built some of the largest backends globally, managing exabytes of data and millions of transactions per second. We are a friendly, collaborative group of passionate individuals who thrive on in-person collaboration in our San Francisco office.Position Overview:As Convex evolves, we are seeking outstanding senior or staff-level engineers to help us architect and sustain the future of our infrastructure at scale. If you have a passion for distributed systems and a robust background in designing and managing web infrastructure, we want to connect with you!We value robust architecture, effective collaboration, and simplicity. Our team embraces high ownership and places significant emphasis on operational excellence. This role is not solely focused on operations; we seek individuals who are dedicated to designing and constructing systems in the most effective manner possible, especially in a startup environment.Your Responsibilities:Architect, construct, and oversee Convex’s global cloud infrastructure.Analyze and enhance the performance and reliability of our systems.Independently prioritize projects, collaborating closely with the engineering team and CTO.Establish best practices and reliability standards as we expand our team and systems.Develop sophisticated systems and database code.Engage with feedback from leadership regarding seeking simpler and more elegant solutions.What We Value:A strong enthusiasm for distributed systems and backend infrastructure.A collaborative spirit and a desire to grow with the team.A commitment to best practices and maintaining high standards in engineering.

Join Our Innovative TeamAt OpenAI, security is the cornerstone of our commitment to ensuring artificial general intelligence serves all of humanity. The Identity Infrastructure Engineering team is pivotal in this mission, crafting robust identity and access management solutions that safeguard our model weights, customer data, and essential systems across diverse cloud environments. Collaborating closely with teams across Applied Engineering, Research, IT, and Security, we deliver a secure and scalable platform that empowers permissioning, orchestration, and groundbreaking AI research.Your RoleAs a Software Engineer on our Identity Infrastructure Engineering team, you will play a crucial role in designing, deploying, and managing foundational security tools and infrastructure. This position involves leveraging a wide array of technologies to support multi-cloud deployments, ensuring our researchers and engineers can securely build, test, and scale transformative AI systems. We seek individuals who are technically adept, collaborative, and passionate about integrating secure-by-default principles throughout our technology stack.We invite Software Engineers eager to address challenges in:Identity & Access Management: Develop and sustain systems and interfaces that efficiently manage user and service identities, guaranteeing consistent, fine-grained access controls across various cloud providers and internal services.Multi-Cloud Security: Architect and implement tools that protect model weights, proprietary data, and sensitive assets, seamlessly operating within AWS, Azure, GCP, and future cloud environments.Automation & Tooling: Create robust frameworks, APIs, and CLI tools that automate ongoing security tasks (such as credential provisioning and rotation), allowing teams to focus on AI innovation without compromising security.In this position, you will:Develop new features for our IAM platform that integrate seamlessly with evolving cloud services, enabling teams to operate efficiently while adhering to security best practices.Lead security innovations by designing tools, processes, and frameworks that enhance our infrastructure.This role is primarily based in San Francisco, Seattle, or New York City, with remote work options considered. We embrace a hybrid work model, requiring three days in the office weekly, and provide relocation assistance for new hires.

Databricks is looking for a Senior Software Engineer focused on Compute Infrastructure in San Francisco, California. This position centers on building and improving compute architecture to support greater performance and scalability across Databricks' platform. What you will do Develop and optimize compute infrastructure to handle demanding data processing and analytics workloads. Work closely with teams from different disciplines to deliver reliable, high-quality solutions for customers. Impact Your contributions will help define how data processing and analytics evolve at Databricks. The work directly supports customers’ ability to scale and perform complex tasks in the cloud. Who we’re looking for Strong background in cloud technologies and compute systems. Enjoys tackling complex technical challenges. Collaborative approach to problem-solving with cross-functional teams.

At Hover, we empower individuals to conceptualize, enhance, and safeguard the spaces they cherish. Utilizing proprietary AI and over a decade's worth of real property data, we provide answers to pivotal questions such as, 'What will it look like?' and 'What will it cost?' Our platform offers homeowners, contractors, and insurance professionals accurately measured, interactive 3D models of properties — all achievable from a smartphone scan in mere minutes.Driven by curiosity and purpose, we maintain a strong commitment to our customers, communities, and one another. We believe that diverse perspectives foster the best ideas, and we take pride in nurturing an inclusive, high-performance culture that encourages growth, accountability, and excellence. Supported by premier investors like Google Ventures and Menlo Ventures, and trusted by industry leaders such as Travelers, State Farm, and Nationwide, we are revolutionizing how individuals perceive and interact with their environments.About the RoleAs a Senior Software Engineer specializing in Infrastructure, you will delve into cloud infrastructure challenges unique to a company focused on 3D data, computer vision, and machine learning. Your enthusiasm for building internal tools and your talent for crafting elegant solutions to complex issues will be crucial in this role.Our Infrastructure team is responsible for everything beyond the application binary, serving as a critical partner to the rest of the engineering department. Through automation, we aim to streamline processes, ensuring that the simplest path is also the fastest and most secure. We manage and optimize all cloud infrastructure components including our Kubernetes environment, databases, networks, storage, and caching systems. Collaborating with engineering peers, we establish consistent solutions to common architectural challenges, particularly those involving rich geospatial and machine learning workloads. We are well-versed in best practices for cloud architecture and CI/CD, leveraging application development as a means to implement these practices.Your ContributionsYou will play a pivotal role in developing straightforward solutions to intriguing problems, thereby enhancing the foundation upon which our engineering teams build. Collaborating closely with engineers across the organization, you will help make their applications faster, easier to manage, and more reliable in production. Your work will span frontend, backend, computer vision, data, security, and machine learning teams to scale new ideas into production effectively. Given the small and highly collaborative nature of our team, you can expect a varied and impactful workload, which may include:Designing scalable cloud architectureEnhancing CI/CD pipelines and developer tooling

About Fable SecurityIn today’s digital landscape, AI-driven threats and human errors represent the most significant risks to enterprise security. Cybercriminals exploit human behavior, contributing to 70% of security breaches. At Fable, we empower individuals to transform from potential targets to active defenders with innovative tools.Fable is at the forefront of human risk management, offering a platform that effectively influences employee behavior. Our user-friendly, scalable solution analyzes complex employee data, identifies high-risk behaviors, and delivers timely interventions directly to users in their work environment.Supported by notable investors like Redpoint Ventures and Greylock Partners, and founded by former members of the Abnormal Security team, Fable is tackling one of cybersecurity's greatest challenges in a rapidly expanding market. Our team comprises alumni from esteemed organizations such as Meta, Twitter, and Flexport, as well as top universities including Waterloo, Columbia, and Stanford. This is an exceptional opportunity for you to join us at a time of rapid growth and help shape the future of security.Why Join UsBuild and scale the foundational data infrastructure that drives a groundbreaking product.Collaborate closely with engineering, data science, and product teams to operationalize data at scale.Become part of a small, high-caliber team where your contributions will have a significant impact.As part of an early-stage company, every engineer plays a crucial role in shaping the evolution of our products and the company's approach to data management.Your RoleAs a Platform and Infrastructure Engineer, you will be instrumental in developing and scaling the core systems that underpin Fable’s product and data operations.Your responsibilities will span backend systems including real-time services and data pipelines. You will ensure reliability, scalability, and optimal performance across all layers. This highly collaborative role involves working closely with data and ML teams, contributing to systems that effectively manage data ingestion, processing, and delivery.This role demands cross-functional collaboration with engineering, data, and product teams to create robust, production-grade systems that grow alongside the company.ResponsibilitiesDesign, develop, and maintain scalable backend and infrastructure systems.Collaborate with cross-functional teams to deliver high-quality software solutions.Ensure system reliability, performance, and security through rigorous testing and monitoring.

About UsTriumph Arcade revolutionizes mobile gaming by allowing players to wager and win real money, engage in mass multiplayer games, and compete in social tournaments. Our app has become the leading choice in its App Store category, showcasing remarkable month-over-month growth in both revenue and active player engagement. As we continue to innovate and expand, we're excited to introduce new products, including Rips, our collectibles app, which has already gained significant traction.Supported by esteemed venture capitalists such as Goodwater Capital, General Catalyst, and DraftKings Drive Fund, Triumph is on a hyper-growth trajectory.The RoleAs our Founding Security Engineer, you will play a pivotal role in shaping and implementing the security framework that safeguards Triumph’s players, funds, and data across all platforms. Your expertise will ensure Triumph's resilience against technical failures, credential compromises, or security incidents, thereby protecting our assets and maintaining operational viability.You will be the primary authority on security for our backend systems, mobile applications, infrastructure, and internal tools, establishing the standards for security practices at Triumph. This position reports directly to our CTO and Co-Founder, Jared Geller.What You’ll DoIdentity, Access & Privilege Escalation - Manage all service accounts, IAM, and privilege elevation systems within the production infrastructure.Blast Radius & Recovery Guarantees - Oversee disaster recovery design and execution, ensuring that no infrastructure failure or security incident can lead to irreparable loss of critical data, funds, or system integrity. Set and enforce recovery point (RPO) and recovery time (RTO) objectives for all crucial data systems.Audibility & Forensic Readiness - Ensure all security actions in production are auditable, attributable, and easily reconstructable.Compliance - Lead the technical implementation of data protection controls necessary for compliance with GDPR and similar regulations.

At Siftstack, we are revolutionizing the development, testing, and operation of modern machines. Our innovative platform provides engineers with real-time observability over high-frequency telemetry, effectively removing bottlenecks and accelerating the development process.Emerging from our groundbreaking work at SpaceX on projects including Dragon, Falcon, Starlink, and Starship, Siftstack was founded by an exceptional team with experience from SpaceX, Google, and Palantir. We are dedicated to building mission-critical systems where precision and scalability are essential.As a senior engineer at Siftstack, you will not just write code; you will have a significant role in shaping the architecture, guiding the product's evolution, and influencing the culture of a company that tackles real engineering challenges. If you are eager to face complex technical issues and contribute to foundational systems for innovative machines, we want to connect with you.

Join the Space Exploration Journey!As a Senior Software Engineer specializing in Space Infrastructure, you will play a pivotal role in enhancing our capabilities to manage a diverse fleet of satellites, including dedicated, rideshare, and constellation missions. Your work will involve the integration of automated satellite operations, both ground and flight software, while tackling challenges encountered in orbit.Our team is dedicated to ensuring the dependable, efficient, and standardized performance of Loft’s space infrastructure. You will oversee the operational stability of Loft satellites, focusing on the satellite bus, the Hub, and Loft's payloads, which serve as platforms for executing customer missions.Reliability is the cornerstone of Loft's business model and that of our clients. This role offers you the flexibility to engage with various systems, from coding for Cockpit, our mission control system, to writing software that runs onboard our satellites. Additionally, you may have the opportunity to serve as a Flight Director, overseeing the health and safety of our satellite fleet.

Join the Crew at Ivo! Engineering ExcellenceAt Ivo, we are pioneers in the realm of technology. Our engineers are the architects of innovation, creating groundbreaking solutions that redefine the industry. Recent triumphs include:An AI-powered assistant integrated into MS Word that edits documents with remarkable precision.Revolutionizing embedding models with cutting-edge agentic RAG technology.Pioneering legal fact extraction with large-scale LLM applications.Developing an intelligent legal assistant capable of navigating vast contract databases while ensuring accuracy.Implementing advanced clustering techniques for legal documents based on familial relationships.Introducing automatic deviation analysis to uncover hidden risks across extensive contract databases.Merging contracts with amendments to create comprehensive timelines that have left clients in tears of joy. Your RoleAs a Senior Infrastructure Engineer, you will lay the groundwork for Ivo's platform. Your responsibilities will include:Shaping the future of our infrastructure while enjoying the flexibility to design our systems.Managing a multitude of customer deployments, each with unique containers, databases, and VPCs.Instrumenting the system to identify performance bottlenecks and errors.Creating intuitive dashboards and alerts to aggregate metrics, logs, and health checks.Leading incident responses related to infrastructure challenges.Optimizing our CI/CD pipeline to improve deployment times significantly. We seek someone passionate about LLMs and eager to push the boundaries of DevOps innovation. Join us and be a vital part of our engineering team!

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.

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