Construction Cost Engineer

Join CoreWeave as a Principal Engineer, where you will spearhead the architecture, development, and operations of Managed Databases tailored for AI workloads. In this pivotal role, you will define and advance our technical roadmap, guiding how both clients and internal teams efficiently store and access operational data for AI and machine learning applications. Collaborate closely with engineering stakeholders across CoreWeave’s diverse product offerings to shape the future of AI infrastructure.

Join Sonsoft Inc. as a Data Modeling Specialist, where you will play a crucial role in designing and implementing robust data models that drive business intelligence and analytics. Your expertise will help transform complex data into actionable insights, improving decision-making processes across the organization.

Join Sonsoft Inc. as a Data Modeler, where you will play a pivotal role in designing and optimizing data models that drive our business strategies. You will collaborate with cross-functional teams to ensure data integrity and enhance data management processes.

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.

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.

CoreWeave is the premier cloud platform for AI, designed by pioneers for pioneers. Our innovative technology, comprehensive tools, and expert teams empower businesses to build and scale their AI initiatives with utmost confidence. Trusted by top-tier AI labs, startups, and global enterprises, we offer unparalleled infrastructure performance paired with deep technical expertise to facilitate rapid advancements and transform compute power into actionable capabilities. Since our establishment in 2017, CoreWeave has been publicly traded (Nasdaq: CRWV) since March 2025. Discover more at www.coreweave.com.What You’ll Do:Join a dynamic team characterized by CoreWeave’s commitment to action, ownership, and a robust team culture. We tackle challenges efficiently, fostering a culture of learning and continuous improvement, and operate with positive intent, flexibility, and patience. Teamwork and clear communication are as vital as execution — our success is shared.About the Role:The Principal, Data Center Development is the primary owner responsible for advancing data center sites from initial site control to operational status. This role encompasses overseeing development diligence, budgeting, risk management, and ensuring project readiness for self-development and joint venture projects, effectively de-risking each initiative before commitments are made.This hands-on, execution-focused position integrates site selection, power management, sustainability practices, design, legal considerations, government incentives, financial planning, and construction to deliver scalable, development-ready projects. Expect to travel up to 25-30% of the time.Development OwnershipManage the entire development lifecycle from site selection to operations turnover.Act as the sole accountable owner for the development budget, timeline, and risk assessment.Facilitate development readiness reviews and provide go/no-go recommendations to leadership.Conduct weekly development site calls for executive-level updates, engaging all internal stakeholders.Diligence & Risk ManagementLead and coordinate all development workstreams comprehensively.Aggregate diligence findings into a coherent risk profile to support informed decision-making.

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

Join CoreWeave as a Software Engineer II on our Artifact Management team, where you will play a pivotal role in designing and operating a high-performance distributed system that handles artifact storage, serving, and updates at a massive scale. Your expertise will empower developers to securely and seamlessly publish their artifacts, driving innovation and efficiency in AI development workflows.

Join CoreWeave's Artifact Management team and become a key player in building and operating a large-scale distributed system designed to store, serve, and update artifacts at unprecedented levels. We are searching for engineers who are passionate about crafting high-performance, storage-efficient systems that empower critical development workflows. In this role, you will develop a robust platform that allows developers to securely and seamlessly publish their artifacts, enhancing their productivity and innovation.

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.

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 our dynamic team at Sonsoft Inc. as a Data Modeler, where you will play a crucial role in designing and implementing data models that support our innovative data solutions. You will collaborate with cross-functional teams to analyze business requirements and develop efficient and scalable data architectures. This is an exciting opportunity to contribute to projects that drive data-driven decision-making within our organization.

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.

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.

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, listed on Nasdaq as CRWV since March 2025, provides cloud solutions trusted by AI labs, startups, and global enterprises. The company continues to expand its infrastructure, focusing on reliability and quality in every aspect of its operations. Learn more at www.coreweave.com. Role overview This Quality Engineer (QMS) role centers on building, scaling, and maintaining a Quality Management System for data center operations. The position emphasizes standardizing processes, ensuring compliance with ISO standards, and driving ongoing improvement. The work supports a preventive quality framework as CoreWeave grows across multiple locations. What you will do Design, implement, and refine an ISO-compliant Quality Management System for data center operations Create standardized processes, SOPs, and governance frameworks Promote preventive, systems-based quality practices Utilize digital QMS tools such as ETQ or Arena to automate and manage workflows Oversee audits, corrective and preventive actions (CAPA), document control, and training priorities Establish and manage document control systems Develop and deliver training programs to maintain audit-ready, ISO-compliant documentation Lead internal audit programs and assist with external audits and certification readiness Identify process deficiencies and drive corrective actions Participate in root cause analysis and standardize CAPA processes Implement systemic improvements across multiple sites Develop KPIs, dashboards, and reporting tools to track quality performance Collaborate closely with Data Center Operations, Engineering, Supply Chain, and other teams Requirements Proven experience in data center operations, quality management systems, and industry standards Understanding of ISO standards and preventive quality practices Familiarity with digital QMS platforms such as ETQ or Arena Strong ability to work across teams and functions This position is available in Livingston, NJ, New York, NY, Sunnyvale, CA, San Francisco, CA, and Bellevue, WA.

CoreWeave is the essential cloud for AI™, crafted by pioneers for innovators. Our platform provides advanced technology, tools, and dedicated teams that empower forward-thinking organizations to scale their AI initiatives confidently. As a trusted partner to leading AI labs, startups, and global enterprises, we combine unparalleled infrastructure performance with profound technical expertise to drive breakthroughs and enhance capabilities. Established in 2017, CoreWeave went public on Nasdaq (CRWV) in March 2025. Discover more at www.coreweave.com.Join CoreWeave's Information Security team as an Offensive Security Engineer, where your expertise will enhance the security posture of our internal and external infrastructures. Collaborating closely with engineering teams, you will serve as a security ambassador, ensuring our products and services are fortified against threats while providing reassurance to our business and network partners.

CoreWeave is The Essential Cloud for AI™, designed and built by pioneers for pioneers. We empower innovators to confidently build and scale AI through our advanced technology, tools, and expert teams. Trusted by top AI labs, startups, and global enterprises, CoreWeave combines exceptional infrastructure performance with profound technical expertise to drive innovation. Founded in 2017, we became a publicly traded company (Nasdaq: CRWV) in March 2025. Discover more at www.coreweave.com.What You’ll DoAbout the TeamThe Enterprise Systems team at CoreWeave is tasked with constructing, maintaining, and scaling the internal platforms that facilitate collaboration and productivity across the organization. This encompasses tools such as Atlassian (Jira, Confluence) and Asana, supporting our engineering, product, and business teams, along with external partners. Our focus is on ensuring reliability, scalability, and the ongoing enhancement of internal tools to empower teams to operate efficiently and effectively.About the RoleIn the role of a Productivity Platforms Engineer, you will be instrumental in the daily administration and enhancement of CoreWeave’s collaboration and work management tools. Collaborating closely with seasoned engineers, you will maintain system reliability, troubleshoot issues, and implement improvements to optimize team workflows. This position involves hands-on configuration, user support, and gaining exposure to automation and integrations. Over time, you will assume responsibility for specific tools and workflows as you develop your technical expertise.