Offensive Security Engineer

CoreWeave is The Essential Cloud for AI™. Built for pioneers by pioneers, CoreWeave delivers a platform of technology, tools, and teams that enables innovators to build and scale AI with confidence. Trusted by leading AI labs, startups, and global enterprises, CoreWeave combines superior infrastructure performance with deep technical expertise to accelerate breakthroughs and turn compute into capability. Founded in 2017, CoreWeave became a publicly traded company (Nasdaq: CRWV) in March 2025. Learn more at www.coreweave.com . CoreWeave’s Information Security team is seeking an experienced and talented offensive security engineer to join our team. As part of the Information Security Organization at CoreWeave, security engineers work to measure and improve the security of internal and external infrastructure and application offerings that provide high-power compute to customers. CoreWeave Security engineers integrate within engineering to act as a security liaison between product, engineering, and security. They provide assurance to business network partners that CoreWeave’s capabilities and technologies have been adequately hardened. Responsibilities: Perform penetration testing as well as purple and red team exercises Conduct threat modeling, code reviews, and design reviews for development teams within the business Research/stay abreast of new hacking techniques and find ways to counter them Find effective solutions to information security related problems Develop best practices and improve security standards for the organization to adhere to while maintaining our internal compliance stance and security posture Ability to provide solutions to complex issues; handle multiple tasks in a fast-paced environment; set priorities; meet deadlines per project scope Demonstrated ability to present complex, technical information to both technical and non-technical audiences Strong time management, good technical writing, presentation, and documentation skills Ability to work with minimal supervision, attention to detail, and follow-through Other work-related duties as assigned Required Skills: Proficiency in using at least one programming or scripting language (e.g. GoLang, Python, C/++) to solve automatable tasks and perform code reviews At least five years of experience in the offensive information security industry Penetration Testing experience Strong technical background and experience writing and using offensive security tooling Experience using Kubernetes and Kubernetes-related security measures Extensive experience with Linux OS environments Ability to navigate ambiguity and determine solutions to underlying problems Excellent interpersonal, verbal, and written communication skills with strong attention to detail Ability to work with minimal supervision while handling multiple tasks in a fast-paced environment A strong desire to learn new technologies and skills Nice-to-haves: Experience with firmware reverse engineering; analyzing systems firmware, binaries, and bootloaders to uncover security flaws Certifications like Sec+, Net+, OSCP, or other relevant industry certifications An understanding of best practices and how to implement them at a business-wide level 5+ years' experience in the information security industry or related role Experience with EDR tuning, detections-as-code, and threat hunting as a Blue Team member The Security Engineer works standard business hours. CoreWeave is a fast growth startup, and the selected candidate must be willing to be flexible when they are needed. There will be times when the Security Engineer needs to be available outside of regular business hours to support critical issues or meetings. The base salary range for this role is $165,000 to $242,000. The starting salary will be determined based on job-related knowledge, skills, experience, and market location. We strive for both market alignment and internal equity when determining compensation. In addition t ... (truncated, view full listing at source)