Offensive Security Engineer at Coreweave

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 to base salary, our total rewards package includes a discretionary bonus, equity awards, and a comprehensive benefits program (all based on eligibility). What We Offer The range we’ve posted represents the typical compensation range for this role. To determine actual compensation, we review the market rate for each candidate which can include a variety of factors. These include qualifications, experience, interview performance, and location. In addition to a competitive salary, we offer a variety of benefits to support your needs, including: • Medical, dental, and vision insurance - 100% paid for by CoreWeave • Company-paid Life Insurance • Voluntary supplemental life insurance • Short and long-term disability insurance • Flexible Spending Account • Health Savings Account • Tuition Reimbursement • Ability to Participate in Employee Stock Purchase Program (ESPP) • Mental Wellness Benefits through Spring Health • Family-Forming support provided by Carrot • Paid Parental Leave • Flexible, full-service childcare support with Kinside • 401(k) with a generous employer match • Flexible PTO • Catered lunch each day in our office and data center locations • A casual work environment • A work culture focused on innovative disruption Our Workplace While we prioritize a hybrid work environment, remote work may be considered for candidates located more than 30 miles from an office, based on role requirements for specialized skill sets. New hires will be invited to attend onboarding at one of our hubs within their first month. Teams also gather quarterly to support collaboration. California Consumer Privacy Act - California applicants only CoreWeave is an equal opportunity employer, committed to fostering an inclusive and supportive workplace. All qualified applicants and candidates will receive consideration for employment without regard to race, color, religion, sex, disability, age, sexual orientation, gender identity, national origin, veteran status, or genetic information. As part of this commitment and consistent with the Americans with Disabilities Act (ADA), CoreWeave will ensure that qualified applicants and candidates with disabilities are provided reasonable accommodations for the hiring process, unless such accommodation would cause an undue hardship. If reasonable accommodation is needed, please contact: [Upgrade to PRO to see contact]. Export Control Compliance This position requires access to export controlled information. To conform to U.S. Government export regulations applicable to that information, applicant must either be (A) a U.S. person, defined as a (i) U.S. citizen or national, (ii) U.S. lawful permanent resident (green card holder), (iii) refugee under 8 U.S.C. § 1157, or (iv) asylee under 8 U.S.C. § 1158, (B) eligible to access the export controlled information without a required export authorization, or (C) eligible and reasonably likely to obtain the required export authorization from the applicable U.S. government agency. CoreWeave may, for legitimate business reasons, decline to pursue any export licensing process.