Senior Security Engineer I, Advanced Response

Senior Security Engineer I, Advanced Response 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 What You'll Do CoreWeave powers the world's most demanding AI infrastructure — and threat actors know it. The Advanced Response Team exists to fight back. You'll lead our most critical incidents, hunt adversaries before they surface, and build the capabilities that define how CoreWeave defends itself at scale. Counter threat actors at a scale most practitioners never encounter — and build the capabilities to stay left of boom Work alongside security partners who hold a high bar and expect you to raise it Shape how CoreWeave finds and responds to the threats that matter most, with the autonomy to build and execute at the highest level About the Role: Leading the most complex, highest severity cybersecurity incidents at CoreWeave end-to-end – with full ownership of outcomes, not just coordination Reading smoke — authoritatively forming hypotheses about what's burning and a strategy to attack it before you can see the fire directly Serving as a clear, credible voice to senior leadership during active incidents — translating fast-moving technical situations into risk and decision frameworks that drive action Conducting deep technical investigations and hunts across endpoint, cloud, identity, and network data sources to establish scope, timeline, and root cause Producing rigorous, risk-driven post-incident reviews that go beyond surface-level timelines and result in concrete, durable improvements Running a structured threat hunting program informed by operationalized intelligence — turning actor profiles, campaign reporting, and TTP gaps into hunts, and turning hunt findings into durable actions to harden CoreWeave and improve our response posture Architecting and building AI-powered tooling that drives how CoreWeave counters threats — accelerating work left and right of boom Developing and running incident simulations and tabletop exercises that stress-test real-world response capabilities before a real incident does Who You Are: Extensive experience in incident response, security operations roles, and/or threat hunting at scale, with demonstrated ownership of complex, high-impact incidents from start to finish Strong technical investigation and hunting skills — comfortable working hands-on with logs, telemetry, and raw system data to form and validate hypotheses, not just direct others to do it Deep familiarity with attacker TTPs and how they manifest across cloud, endpoint, identity, and network environments Experience briefing senior leadership and non-technical stakeholders during active incidents with clarity and composure Comfort leading and operating across organizational boundaries — pulling the right people in at the right time without losing ownership of the outcome Proficiency in at least one query language (e.g., SQL, Splunk Query Language, HiveQL) Ability to script or automate in Python, Go, or similar to close operational gaps and accelerate response and hunting workflows Preferred: Experience building or materially maturing an IR program at a cloud-native organization Familiarity with Kubernetes or containerized environments, with appetite to go deeper Experience building and leveraging AI-assisted tooling in investigation or triage workflows Familiarity with SOAR platforms and case management tooling in an operational IR context Please note that this role is not a typical 9-5 job. There will be instances where your skills are needed outside of business hours. On-call hours (including weekends and holidays) and leadership during active incidents is expected. If building a world-class response and threat hunt program — and actually answering the call when you're needed — is what gets you going, we'd love to connect. Why CoreWeave? At CoreWeave, we work hard, have fun, and move fast! We're in an exciting stage of hyper-growth that you will not want to miss out on. We're not afraid of a little chaos, and we're constantly learning. Our team cares deeply about how we build our product and how we work together, which is represented through our core values: Be Curious at Your Core Act Like an Owner Empower Employees Deliver Best-in-Class Client Experiences Achieve More Together We support and encourage an entrepreneurial outlook and independent thinking. We foster an environment that encourages collaboration and enables the development of innovative solutions to complex problems. As we get set for takeoff, the organization's growth opportunities are constantly expanding. You will be surrounded by some of the best talent in the industry, who will want to learn from you, too. Come join us! The base salary range for this role is $139,000 to $204,000. 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. The benefits below reflect our US-based offerings for full-time employees; for roles in other locations, benefits vary and are shared during the hiring process. These include: 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 Equal Opportunity & Accommodations 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: View email address on click.appcast.io. 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 CoreWeave