Offensive Security Engineer

CoreWeave is seeking a Staff Security Engineer with deep experience in PKI and secrets management. This position is key to strengthening the security of our cloud infrastructure across multiple locations, including Livingston, NJ, New York, NY, Sunnyvale, CA, and Bellevue, WA. Role overview This role focuses on designing and implementing secure public key infrastructures (PKI) and managing sensitive secrets across our platforms. The Staff Security Engineer will take the lead on projects that directly impact the integrity and safety of our systems. What you will do Lead the creation and deployment of PKI solutions for cloud environments. Develop and maintain processes for secure secrets management. Work to ensure compliance and reduce security risks as CoreWeave grows. Requirements Expertise in PKI design and secrets management practices. Experience supporting cloud infrastructure security. Ability to lead initiatives and collaborate with technical teams.

The Senior Security Engineer - PKI & Secrets role at CoreWeave sits within the Security Foundations team. This team is responsible for protecting the CoreWeave Cloud, covering everything from data centers and GPU fleets to the platform layers that support customer AI workloads. The PKI & Secrets group manages the cryptographic infrastructure that ensures CoreWeave’s data and systems remain confidential, authentic, and tamper-resistant. Areas of focus include public key infrastructure (PKI), secrets management, hardware security modules (HSMs), key management, and code signing. This position involves close collaboration with teams across the company to deliver cryptographic services that meet high standards for security, reliability, and scalability. What you will do Design, implement, and maintain PKI infrastructure, including certificate authority (CA) hierarchies, issuance policies, certificate lifecycle management, and trust distribution for both Kubernetes clusters and bare-metal hosts. Manage and improve secrets management platforms, focusing on access policies, secret lifecycle governance, and integration using tools such as External Secrets Operator and cert-manager. Operate and scale HSM infrastructure, handling PKCS#11 integration, key ceremony procedures, and high-availability designs to support certificate authorities and signing services. Contribute to the development of key management systems and related security protocols. Locations This position is available in Livingston, NJ; New York, NY; Sunnyvale, CA; Bellevue, WA; and San Francisco, CA.

CoreWeave is the definitive cloud solution for AI™, crafted by innovators for innovators. As a platform that empowers organizations to develop and scale AI technologies confidently, CoreWeave is trusted by leading AI laboratories, startups, and global corporations. We merge exceptional infrastructure performance with profound technical expertise to expedite innovation and transform computational power into actionable capabilities. Established in 2017 and publicly traded since March 2025 (Nasdaq: CRWV), discover more at www.coreweave.com.Your Role:As part of CoreWeave’s Detection and Response team, you will play a pivotal role in implementing effective measures to address security threats across our enterprise. Your responsibilities will include designing security-related detections and engineering automations to minimize the necessity for human intervention.Key Responsibilities:Design, deploy, and maintain the Securing Orchestration, Automation, and Response (SOAR) capabilities within our multi-billion dollar platform.Create automations that interact across various internal and external products and services to enhance enterprise security.Develop integrations and workflows that enrich decision-making processes.Utilize AI tools to provide system operators and security teams with enhanced context for security events and alerts.Produce high-quality production code with unit and integration tests to establish a comprehensive internal service offering for the security team.Candidate Profile:A seasoned detection engineer or incident responder with a solid development background, possessing 8-10 years of experience in creating security tools using Python, GoLang, or similar programming languages.Familiarity with modern software deployment and orchestration frameworks like ArgoCD and Kubernetes.Experience with version control systems such as Git.

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.

Join CoreWeave as a Network Security Engineering Manager, where you will spearhead the design and implementation of security protocols within our cutting-edge AI hyperscaler infrastructure. In this pivotal role, you will oversee the security measures that fortify our expansive GPU clusters and distributed AI workloads. Collaborating with Networking, Infrastructure, and Site Reliability Engineering (SRE) teams, you will play a crucial role in shaping the next generation of network fabrics and architectures. You will lead a talented team of network security engineers, ensuring that network security evolves in tandem with our rapidly scaling platform while maintaining peak performance and reliability.

Join CoreWeave as a Security Engineering Manager within our Enterprise Security team, where you'll play a pivotal role in securing our advanced cloud infrastructure, designed specifically for AI workloads. In this hands-on leadership position, you will define and execute strategies for identity security, zero trust access, SaaS, third-party security, and endpoint hardening. You will lead a talented team of enterprise security engineers, collaborating with various departments such as IT, Security Operations, Compliance, and Engineering to enhance our security capabilities in line with our cutting-edge platform.

Join CoreWeave as a Senior Security Engineer specializing in Security Orchestration, Automation, and Response (SOAR). In this pivotal role, you will collaborate with our Detection and Response team to empower swift actions against security threats across our enterprise. Your expertise will help design, deploy, and maintain SOAR capabilities for our multi-billion dollar platform-as-a-service, ensuring our security infrastructure remains robust and efficient. You will develop automations that interact with various internal and external products, enhance decision-making processes, and leverage AI tools to provide security personnel with critical context for incidents. This position demands writing production-quality code with thorough testing to support a mature internal service offering within our security organization.

About CoreWeave:CoreWeave is The Essential Cloud for AI™, crafted by pioneers for innovators. We empower leading AI labs, startups, and global enterprises with robust technology, tools, and expertise to confidently build and scale AI solutions. Our superior infrastructure performance accelerates breakthroughs, transforming compute into capability. Since our inception in 2017, we have proudly become a publicly traded company (Nasdaq: CRWV) as of March 2025. Discover more at www.coreweave.com.Role Overview:The Storage Engine Team at CoreWeave is pivotal in delivering top-tier managed storage products. We are committed to developing reliable and scalable storage solutions that lead the industry in performance. Our team collaborates closely with engineering departments across infrastructure, compute, and platform to ensure our storage services effectively support the most demanding AI workloads globally.Your Responsibilities:Design and implement distributed storage solutions to accommodate the scaling of data-intensive AI workloads.Contribute to the development of exabyte-scale, S3-compatible object storage, integrating dedicated storage clusters into varied customer environments.Utilize technologies such as RDMA, GPU Direct Storage, and distributed filesystem protocols like NFS or FUSE to enhance storage performance and efficiency.Lead initiatives to bolster the reliability, durability, security, and observability of our storage stack.Work with operations teams to monitor, troubleshoot, and optimize storage systems in production environments.Establish metrics and dashboards to enhance visibility into storage performance and health.Analyze telemetry and system data to drive improvements in throughput, latency, and resilience.Collaborate cross-functionally with platform, product, and infrastructure teams to provide seamless storage capabilities across the stack.Share your expertise and mentor fellow engineers on best practices in constructing distributed, high-performance storage solutions.

CoreWeave is the definitive cloud platform for AI™, designed to empower innovators by providing cutting-edge technology, tools, and a dedicated team. Our infrastructure is trusted by top AI labs, startups, and major enterprises, enabling them to build and scale AI solutions with unparalleled confidence. Founded in 2017 and public as of March 2025 (Nasdaq: CRWV), CoreWeave has been recognized as one of the TIME100 most influential companies of 2024, serving a vital role in the evolution of AI technology.At CoreWeave, we thrive in a fast-paced environment where adaptability is essential. Our culture promotes career-defining opportunities for those who excel in dynamic situations. If you are a problem solver with a passion for making a substantial impact, we invite you to join our team and tackle some of the most exhilarating challenges in the technology landscape.Join CoreWeave and contribute to advancing the intelligence that drives innovation.

CoreWeave is seeking a highly skilled Staff Systems Engineer specializing in Identity to join our dynamic team. In this role, you will design and implement robust identity solutions that enhance the security and user experience across our cloud infrastructure.Your responsibilities will include collaborating with cross-functional teams to develop innovative identity management strategies, ensuring compliance with security protocols, and optimizing system performance.

CoreWeave builds cloud infrastructure for AI innovators, supporting organizations with secure, high-performance platforms. Trusted by leading AI labs and enterprises, CoreWeave integrates with existing identity and security systems to deliver reliable solutions for sensitive workloads. Since March 2025, CoreWeave has been publicly traded on Nasdaq (CRWV). Learn more at www.coreweave.com. About the Security Products Division The Security Products group develops tools that help enterprise clients extend their identity and encryption frameworks into the CoreWeave Cloud. This team builds products like CoreWeave IAM, encryption lifecycle management, and infrastructure for detailed access control and secure onboarding. Collaboration with Product, Information Security, and core platform teams is central to making CoreWeave a secure and compliant environment for large-scale AI applications. Role Overview: Director of Engineering, Security Products CoreWeave seeks a Director of Engineering to lead teams building identity, authorization, and encryption platforms. This technical and strategic leader will shape the roadmap for security products that support customer trust and enable scalable, regulated AI applications. The Director will work closely with Product and Security partners to design and maintain reliable, auditable, and user-friendly services. Mentoring engineering leaders and individual contributors is a key part of this role, setting high standards for engineering quality in a complex, high-stakes environment. What You Will Do Define and execute the engineering roadmap for CoreWeave security products, including IAM, authorization, encryption lifecycle management, and workload identity. Locations Livingston, NJ / New York, NY / Sunnyvale, CA

CoreWeave is the premier cloud solution for AI, crafted by visionaries for visionaries. Our platform empowers innovators to confidently build and scale their AI applications, supported by cutting-edge technology, expert teams, and unparalleled infrastructure performance. Trusted by leading AI labs, startups, and global enterprises, we accelerate breakthroughs and transform computational power into practical capabilities. Founded in 2017, CoreWeave became publicly traded on Nasdaq (CRWV) in March 2025. Discover more at www.coreweave.com.What You’ll Do:We are seeking a dedicated Staff Storage Engineer to significantly contribute to the design, construction, and management of our control plane for a high-performance AI storage platform. You will help advance CoreWeave’s storage systems by developing reliable, scalable, and high-throughput solutions that support some of the largest and most innovative AI workloads globally. This position requires close collaboration with teams across infrastructure, compute, and platform to ensure our storage services can scale seamlessly while maximizing performance and reliability. About the Role:Design and implement a highly scalable multi-tenant control plane to meet CoreWeave’s expanding AI storage and cloud infrastructure demands.Contribute to the development of exabyte-scale, S3-compatible object storage, distributed file systems, and the integration of dedicated storage clusters into diverse customer environments.Utilize technologies such as RDMA, GPU Direct Storage, RoCE, InfiniBand, SPDK, and distributed file systems to enhance storage performance and efficiency.Engage in initiatives to improve the reliability, durability, and observability of our storage stack.Collaborate with operations teams to monitor, analyze, and optimize storage systems using telemetry, metrics, and dashboards to enhance performance, reduce latency, and improve resilience.Work cross-functionally with platform, product, and infrastructure teams to deliver seamless storage capabilities across the stack.Share your expertise and mentor other engineers in best practices.

CoreWeave is The Essential Cloud for AI™. Crafted for innovators by innovators, CoreWeave offers a robust platform of technology, tools, and expert teams that empower creators to confidently build and scale AI solutions. Trusted by leading AI laboratories, startups, and global enterprises, we merge exceptional infrastructure performance with profound technical expertise to accelerate advancements and transform compute into capability. Since our founding in 2017, CoreWeave has become a publicly traded company (Nasdaq: CRWV) as of March 2025. Discover more at www.coreweave.com.Key Responsibilities:We are on the lookout for a dedicated Security Engineer to enhance CoreWeave's Vulnerability Management team. This role is execution-oriented: you will engage in hands-on triage, drive remediation processes, and elevate operational quality within cloud and specialized infrastructure environments.You will collaborate closely with fellow security engineers to address high-priority vulnerability responses, enhance automation, and foster strong security decision-making. This position is perfect for engineers seeking meaningful ownership, rapid learning opportunities, and a defined growth trajectory toward senior responsibilities.Responsibilities Include:Conduct hands-on vulnerability triage and risk assessments adhering to established standards and playbooks.Monitor remediation progress with responsible teams, escalate obstacles, and ensure thorough issue resolution.Assist in automating triage workflows by validating outputs and enhancing signal quality.Contribute to automated remediation initiatives (such as end-of-life cleanups, vulnerable software upgrades, and verification of fixes).Support zero-day and embargo responses by tracking affected assets and monitoring deployment statuses.Engage in incident investigations by collecting technical evidence and aiding in impact assessments.Participate in on-call rotations for critical vulnerability events.Maintain high-quality documentation, runbooks, and operational updates.Identify process inefficiencies and propose actionable workflow improvements to minimize manual effort.

CoreWeave is on the lookout for a Senior Staff Security Engineer specializing in Vulnerability Management. As an IC5 role, you will be the driving force behind our comprehensive VM strategy, architecture, and operational model, spanning applications, infrastructure, and hardware. Your technical expertise will guide cross-functional teams in automating processes and making informed risk decisions, all while maintaining a hands-on approach to security engineering. This position allows you to make a significant strategic impact without direct people management responsibilities.

Join our dynamic team as a Bar and Waiting Staff at Greene King in Livingston! We are looking for enthusiastic individuals who are passionate about delivering excellent customer service in a lively environment. Your role will involve serving food and drinks, taking orders, and ensuring our guests have an unforgettable experience.

Securitas is hiring a Security Officer in Livingston. This position plays a key part in protecting client sites and assets. Main responsibilities Monitor activities on assigned premises to identify and address security risks Conduct regular inspections to ensure safety standards are met Respond promptly and effectively to incidents as they arise What matters in this role Vigilance and professionalism are essential. Security Officers help maintain a safe environment for clients and their property by staying alert and acting quickly when needed.

Join CoreWeave as a Technical Program Manager specializing in Security Compliance. In this pivotal role, you will oversee and drive security compliance initiatives across our technical programs. Your expertise will ensure that we adhere to industry standards and best practices, thereby safeguarding our infrastructure and data integrity.

Join CoreWeave as a Staff Production Engineer and play a pivotal role in designing, building, and managing the foundational platforms that drive operational excellence across our cloud infrastructure. You will enhance the reliability, observability, and scalability of our systems while collaborating closely with various teams to automate reliability processes and improve delivery velocity. This high-impact position requires both technical leadership and hands-on engineering to foster innovation as we expand our global footprint.

Join CoreWeave as a Security Technical Program Manager, where you will play a pivotal role in ensuring the integrity and security of our cloud infrastructure. Collaborate with cross-functional teams, including security, engineering, product, and operations, to deliver exceptional performance while maintaining privacy and compliance. If you are driven by innovation in cloud technologies and have a knack for managing large-scale programs, we want to hear from you!