Senior Security Software Engineer - Cloud & Infrastructure Security

Join Palantir Technologies as a Product Infrastructure Security Engineer in New York. In this role, you will play a critical part in securing our infrastructure, ensuring that our products and services maintain the highest standards of security and reliability. You will work with top-tier engineering teams to identify vulnerabilities, implement robust security measures, and contribute to the overall security architecture of our systems.

CLEAR builds secure identity technology for both digital and physical spaces. With more than 38 million members and a growing global partner network, CLEAR’s platform helps people move through airports, stadiums, workplaces, and daily routines with greater safety and ease. Role Overview The Senior Security Engineer on the Infrastructure Security Engineering (ISE) team protects CLEAR’s core platforms. This position focuses on cloud security, identity management, and endpoint controls. The work centers on AWS and Kubernetes environments, using infrastructure-as-code to scale and automate security practices. What You Will Do Strengthen security across AWS and Kubernetes infrastructure Develop and implement security controls using infrastructure-as-code Work closely with Engineering, CorpIT, and Security teams to make security a default part of CLEAR’s systems Location This role is based in New York, New York, United States.

About TraversalTraversal stands at the forefront of AI Site Reliability Engineering (SRE), trusted by leading enterprises globally to troubleshoot, remediate, and preemptively manage complex production incidents. Our mission is to liberate engineers from continuous firefighting, allowing them to channel their talents into innovative, impactful work.With deep roots in AI research, we are committed to establishing the premier AI agent lab for enterprises. Our greatest asset is our team, comprised of exceptionally skilled and kind individuals, including researchers from prestigious institutions such as MIT, Harvard, and Berkeley, alongside world-class engineers from industry leaders like Citadel Securities, Cockroach Labs, Datadog, and more. Together, we tackle one of AI's most challenging problems.The RoleAs an Infrastructure & Application Security Engineer at Traversal, you will be instrumental in constructing our security program from the ground up. This hands-on role is ideal for someone passionate about security, enthusiastic about Kubernetes, and eager to build—transforming risk into automated, measurable, and low-friction guardrails that engineers can leverage daily. You will work at the intersection of Kubernetes security, service-to-service security (including Istio Ambient), and application security for Python APIs within a multi-tenant SaaS environment, collaborating closely across engineering teams with a focus on deploying mechanisms rather than creating presentations.

Role overview modal seeks an Infrastructure Security Engineer based in New York. The position centers on safeguarding digital infrastructure and securing core systems that support daily operations. Key responsibilities Design and apply security controls across infrastructure components Perform risk assessments to spot and address vulnerabilities Monitor compliance with industry regulations and standards Strengthen systems to withstand new and evolving security threats Impact This role plays a direct part in protecting modal’s operations. By reducing risks and supporting secure growth, the Infrastructure Security Engineer helps maintain the safety and integrity of the company’s technology foundation.

Join Scale AI as a talented Infrastructure Security Engineer, where you'll play a pivotal role in safeguarding the integrity and security of our platform. This position focuses on securing expansive cloud environments, managing and fortifying various compute clusters, and reviewing infrastructure as code. Your proficiency in cloud security, infrastructure automation, and advanced security practices will be crucial in upholding and advancing our security framework.Your responsibilities include:Securing infrastructure across major cloud hosting platforms (e.g., AWS, Azure, GCP).Implementing and maintaining comprehensive security configurations and policies for cloud environments.Conducting regular security assessments and audits to identify vulnerabilities and propose enhancements.Developing and enforcing security best practices for infrastructure automation and orchestration.Collaborating with Developer Experience, IT, and product teams to integrate security into every phase of the infrastructure lifecycle.Reviewing and securing infrastructure as code (e.g., Terraform, CloudFormation).Mentoring team members on infrastructure security best practices and emerging threats.

Join Ramp as a Cloud Security Engineer and be part of a dynamic team dedicated to safeguarding our cloud infrastructure. In this role, you will leverage your expertise to design, implement, and maintain robust security measures that protect our clients' data and ensure compliance with industry standards.

About Our CompanyGeneral IntuitionAs a pioneering research lab, we are committed to advancing foundation models tailored for environments that demand intricate spatial and temporal reasoning. Over the past year, we have been at the forefront of AI innovation, developing agents adept at navigating complex environments, creating world models that serve as training grounds for these agents, and enhancing video understanding models with an emphasis on real-world applicability.With a successful seed round of $133M secured from General Catalyst and Khosla, we are poised to establish ourselves as the leading AI lab specializing in embodied agents.Your RoleAt General Intuition, alongside our sister company Medal, we operate at the convergence of large-scale gaming data, cutting-edge AI research, and rapid product engineering. In this vital role, you will be responsible for securing the infrastructure that connects these domains. Your tasks will include fortifying our cloud environments, safeguarding our data pipelines, and ensuring our deployment systems are resilient against supply-chain attacks and other potential threats.You will create secure-by-default frameworks without hindering the efficiency of research or product teams, integrating standard security tools with customized protections as needed. Your contributions will significantly minimize operational risks for both General Intuition and Medal, helping us maintain trust as we expand sensitive AI workflows and large creator-driven platforms.

About the RoleAt Counsel Health, we have developed an innovative product that has garnered admiration from both patients and physicians, utilizing a fast-paced technology stack. As we continue to grow, the complexity between our application code and infrastructure is expanding. We are seeking a talented individual who thrives in this dynamic intersection.We are in search of a Backend Infrastructure Engineer who embodies both software engineering and infrastructure expertise. This role is not about working in isolation writing Terraform scripts all day or solely delivering product features in React. Instead, you will work within the essential layer that connects our CI/CD pipelines, Infrastructure as Code (IaC) for our AWS environment, backend services, and the developer tools that empower our rapidly expanding engineering team.Your ResponsibilitiesEnhance Our Infrastructure-as-Code: Design and manage our cloud infrastructure utilizing Terraform.Optimize CI/CD Processes: Take ownership of our build, test, and deployment pipelines from start to finish. Aim to make production deployments effortless, speedy, reliable, and automated.Backend Development: Create production-level backend services and contribute to our core server-side systems. You are proficient in writing application code, not just orchestrating it.Create Core Archetypes: Develop production-grade archetypes for new deployments, jobs, consumers, and workers. You are adept at building an abstract base stream consumer or cron executor for widespread application.Enhance Developer Experience: Act as the engineer who accelerates the productivity of other engineers. Streamline local development workflows, decrease build times, resolve flaky infrastructure issues, and create internal tools that the team genuinely values.Security & Compliance: Collaborate closely with our security and compliance team to strengthen our infrastructure security posture, including secrets management, IAM policies, network isolation, and audit logging in a HIPAA-compliant environment.Who You AreA Bridge Builder: You feel at home in an IDE crafting application code as well as in a terminal managing cloud infrastructure. You view backend and infrastructure as intertwined disciplines.An Automation Advocate: If a task is done manually more than twice, you are already scripting it for automation.A Systems Thinker: You comprehend how a request traverses through various systems and how they interact.

Join arch.co as a Lead Infrastructure Engineer, where you will play a pivotal role in designing, implementing, and maintaining our cutting-edge infrastructure systems. Collaborate with cross-functional teams to ensure robust architecture and performance optimization, while mentoring junior engineers and providing technical leadership.

Role Overview BitGo is looking for a Senior Infrastructure Engineer in New York to help strengthen and expand the systems behind its crypto financial services. This role focuses on designing, building, and maintaining scalable infrastructure that supports the company's growth and reliability goals. What You Will Do Design and implement systems that scale with increasing demand Maintain existing infrastructure to ensure high reliability and performance Identify areas for improvement and contribute to better engineering practices About BitGo BitGo provides crypto financial services and relies on a strong engineering foundation to deliver secure, high-performing products.

About PolymarketPolymarket stands as the leading prediction market globally, where insights meet investment—part betting, part future forecasting.As we accelerate our growth—with over $6 billion traded this year alone—we aspire to be a trusted source of information in global media. Join us in our mission to revolutionize how the world perceives truth.About the RoleWe are seeking a top-tier Infrastructure Engineer to enhance our engineering platform. This pivotal role involves designing, building, and managing the foundational systems that empower our diverse product offerings. You will play a crucial part in establishing developer workflows, CI/CD pipelines, and robust infrastructure that supports high-performance APIs and data services. Your expertise will guide significant technical decisions, shape system architecture, and implement solutions that prioritize efficiency, reliability, and sustainability.What You’ll DoWe are in search of a seasoned individual contributor passionate about optimizing essential infrastructure.Build & Automate Development Workflows. You will design and maintain infrastructure that standardizes our software development, versioning, testing, and deployment processes across various environments.Architect Scalable Systems. You will make informed architectural decisions, weighing risks, performance, costs, and maintainability.Power High-Performance Services. You will enhance the infrastructure that supports real-time APIs and low-latency data feeds.Develop Testing Infrastructure. You will construct reliable tooling for automated testing, encompassing unit, integration, and API levels.Ensure Availability & Reliability. You will oversee critical infrastructure to minimize downtime and mitigate failure risks.Move Fast Without Breaking Things. You will deliver high-quality solutions efficiently, showcasing a strong sense of ownership and attention to detail.Operate Autonomously. You will take initiative and make independent decisions without micromanagement.Collaborate Across Teams. You will work closely with engineers across the organization to address deployment, performance, and operational requirements.What We’re Looking For6+ years of hands-on experience in infrastructure engineering or related fields.Proficiency in cloud platforms (AWS, GCP, Azure) and container orchestration (Kubernetes).Strong knowledge of CI/CD tools and practices.Experience with database technologies and API design.Exceptional problem-solving skills and a collaborative mindset.

About KnotAt Knot, we are on a mission to revolutionize the way consumers and businesses interact through seamless merchant and banking experiences. Think of us as the 'Plaid for merchant connectivity.' Our innovative platform is designed to connect merchants with the multitude of applications that enhance everyday transactions. Our flagship product, CardSwitcher, empowers consumers to effortlessly update and manage their payment methods across various online merchant accounts like Netflix and PayPal. Additionally, our advanced solution, TransactionLink, allows for the retrieval of detailed transaction data, paving the way for new product development on our unique merchant connectivity platform. We invite you to join us in building these exciting new solutions!Founded in 2021 by brothers and Thiel Fellows Rory and Kieran O’Reilly, Knot currently facilitates connected online payment experiences for hundreds of thousands of users. Our technology is trusted by industry leaders like American Express, PayPal, Current, BILT, and Step, who integrate Knot’s SDK into their applications to deliver exceptional experiences to their customers.Backed by a distinguished group of investors including Nava Ventures, 8VC, and prominent figures from companies such as Twitter, Warby Parker, and DraftKings, Knot is well-positioned for continued growth and innovation.Working at KnotWe pride ourselves on having a world-class team from diverse backgrounds, with a strong emphasis on engineering talent. As we expand our footprint in NYC, we aim to be at the forefront of the financial services landscape.Our team is dedicated to building exceptional products for our users, balancing a serious approach to our work with a fun and engaging work environment. We believe both aspects are integral to our success.Your RoleDesign, architect, deploy, document, and oversee our cloud-based network infrastructure.Take ownership of critical API infrastructure that handles hundreds of requests per second.Lead technical decisions, providing justification for designs and coordinating with other teams to ensure alignment on values and requirements.Continuously enhance your knowledge of our infrastructure's long-term needs and capabilities.Manage and troubleshoot complex technical issues and incidents, providing support and solutions as necessary.

Join Crosby as an Infrastructure Engineer and play a crucial role in designing, implementing, and maintaining robust infrastructure systems. You will collaborate with cross-functional teams to ensure optimal performance, security, and scalability of our infrastructure.

We are seeking a talented Cloud Infrastructure Engineer to join our dynamic team at Mindlance. In this role, you will be responsible for designing, implementing, and maintaining scalable cloud infrastructures to support our robust applications and services. You'll work closely with cross-functional teams to ensure optimal performance and security of cloud resources.

CoreWeave is seeking a Security Engineering Manager to lead the Platform Security team. This position is based in Livingston, NJ, New York, NY, Sunnyvale, CA, Bellevue, WA, or San Francisco, CA. The team’s mission is to embed security into CoreWeave’s Kubernetes-based platform and public cloud environments, supporting high-performance infrastructure for AI and machine learning workloads. Role overview This manager will oversee and expand the Platform Security engineering team, reporting to the Senior Director of Security Foundations. The focus is on hands-on leadership and technical execution, with an emphasis on building and implementing security controls rather than policy development. The role requires close collaboration with Infrastructure, Platform Engineering, Site Reliability Engineering, and other security teams to ensure security measures keep pace with business growth and evolving needs. What you will do Lead and grow the Platform Security engineering team. Integrate security into Kubernetes infrastructure and public cloud platforms such as AWS, GCP, and Azure. Define and execute strategies for cloud security posture, workload isolation, platform guardrails, image integrity, and multi-cloud security. Develop and implement security controls across CoreWeave’s infrastructure. Work closely with other technical teams to align platform security with business needs. The Platform Security team The Platform Security team at CoreWeave engineers systems that enforce security at the infrastructure layer. Their work spans both CoreWeave’s own Kubernetes-based platform and third-party public cloud environments. The team supports GPU-accelerated infrastructure for demanding AI and machine learning workloads, ensuring that both customer and internal services remain secure as CoreWeave’s global presence expands.

Role Overview Claylabs is hiring a Security Engineer in New York to help protect our digital infrastructure. This role focuses on finding vulnerabilities, putting security measures in place, and maintaining the integrity of our systems. What You Will Do Identify security vulnerabilities across systems and networks Implement technical safeguards to protect company assets Monitor and support the ongoing integrity of digital infrastructure Location This position is based in New York.

At January, we are on a mission to revolutionize consumer finance from the ground up. By personalizing interactions and optimizing decision-making throughout all stages of consumer credit, we empower both consumers and creditors, ensuring that credit is fair, accessible, and tailored to individual needs.As a Lead Security Engineer, you will redefine security standards in an industry where trust has been significantly compromised. This is a unique opportunity to join us at a pivotal moment: we have established the hard-earned trust of leading financial institutions, and now you will create the security framework that extends this trust to millions of consumers.You will design and implement a dual trust architecture, safeguarding both consumer-facing experiences and robust enterprise systems. You will tackle technical challenges that are unparalleled in the industry, such as privacy-preserving data systems, compliance automation across multiple jurisdictions, and AI-driven decision-making processes. Your influence will shape our security strategy and culture from the ground up, demonstrating that security is not merely an overhead cost, but a competitive advantage that drives enterprise partnerships and market growth.Your ImpactTransform security into a competitive edge: Position January's security as a key differentiator that attracts banks and enterprises, unlocking Tier 1 partnerships and deals that competitors cannot secure.Promote security-by-design in product and application development: Collaborate with product and engineering teams to identify critical risks early in the process, focusing on application security across frontend, Flask services, and databases. Integrate security into the discovery and design phases, ensuring secure development patterns are embedded in workflows.Design systems for bank-grade data protection: Create and enforce data classification, encryption, and access control mechanisms that comply with regulatory standards, ensuring sensitive data remains within authorized boundaries.Foster a security-first engineering culture: Advocate for security-centric thinking within engineering teams without hindering progress. Lead incident responses decisively, ensuring that January emerges stronger from security events through thorough post-incident analyses.Streamline compliance with minimal overhead: Maintain SOC 2, PCI-DSS, and financial compliance using automated systems and build infrastructure that generates audit evidence seamlessly, eliminating compliance bottlenecks.

Role overview rowspace is looking for an Infrastructure Engineer based in New York City. This position centers on building and securing the core systems that power our AI data platform. The work involves designing infrastructure that processes large volumes of sensitive financial data, with particular attention to security and compliance. Integrating both public and private, tenant-specific customer data in real time and at scale is a key part of this role. What you will do Design and build scalable infrastructure for an AI knowledge engine that works with structured and unstructured financial data. Develop secure architectures for private cloud environments, ensuring alignment with financial services compliance standards. Create data ingestion pipelines for sources such as CapIQ feeds and internal SharePoint documents. Develop monitoring and alerting tools for our Bring Your Own Cloud (BYOC) platform. Set up access controls and audit trails to trace AI interactions back to original data sources. Collaborate with AI Research and Product teams to optimize infrastructure for large language model (LLM) inference, training, and agent development. Implement CI/CD workflows and infrastructure-as-code for reliable deployments across multiple cloud providers.

About the Position Jane Street is seeking a skilled Windows Engineer to oversee and enhance our internal Windows infrastructure. We welcome applications from individuals with substantive expertise in infrastructure, applications, automation, and the management of server or desktop operating systems within Windows environments. As our primary desktop operating system, Windows underpins many of our core infrastructure services provided by Windows servers. The proper functioning of these systems is essential for fulfilling our business demands regarding performance and reliability. Your role will involve improving, automating, and standardizing our Windows environment. Ideal candidates will have experience in scripting or programming using PowerShell, Python, or C#. All scripts are meticulously managed and stored in an organized repository for team review and use across various departments. As part of a global team, you will collaborate with colleagues from near and far, developing new ideas, troubleshooting issues, planning and executing deployments, and documenting outcomes. This position is part of our IT Engineering group, consisting of a dedicated team of engineers responsible for monitoring and managing our Windows environment across a diverse physical and virtual computing landscape that spans three continents. Your analytical skills and expertise will be vital in supporting our colleagues' daily work while maintaining our systems at the highest operational standards.