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. We're proud to be a Living Wage accredited Employer. ABOUT THE ROLE: We are seeking a Security Operations Engineer II specializing in security event triaging and incident response to join our 24x7 Security Operations team based in our Warsaw, Poland office. In this role, you will independently perform triage, escalation, and first-line incident response on day-to-day security events, and contribute to our detection and response capabilities under the guidance of senior engineers. In this role, you will: * Be part of a 24/7/365 SOC, that includes a rotating on-call schedule for overnights/weekends, ensuring compliance with local Polish labor regulations regarding shift work and on-call periods. * Perform initial triage and investigation of security alerts using established playbooks and SOPs across Linux, MacOS, and Kubernetes environments, escalating complex or novel incidents to senior engineers. * Utilize and query SIEM, EDR, and other security tooling to detect, investigate, and respond to suspicious activity in real-time. * Support incident response activities — analysis, containment, and remediation — and contribute to detection content (detections-as-code) with review from senior team members. * Contribute findings and observations to post-incident reviews to help improve security defenses. * Document investigations thoroughly and help keep runbooks and SOPs accurate and up to date. * Collaborate with threat intelligence and detection engineering teams to stay aware of emerging threats. * Continuously build your skills across the threat landscape, security tooling, and CoreWeave's environment. WHO YOU ARE: * Degree in Computer Science, Computer Engineering, Cyber Security, Information Technology or similar experience. * 1–2+ years of experience in security operations, SOC analysis, incident response, forensics, or a related field (relevant internship and academic experience considered). * Working knowledge of Linux and MacOS systems, including logging and common forensic artifacts. * Exposure to Kubernetes and an interest in securing containerized environments. * Familiarity with modern security tools and platforms such as SIEM, EDR, IDS/IPS, and firewalls. * Solid understanding of network protocols, firewalls, VPNs, proxies, and other security technologies. * Strong analytical skills with the ability to work with and interpret data and turn it into actionable insights. * Good communication and collaboration skills, with the ability to stay effective in high-pressure situations. WONDERING IF YOU'RE A GOOD FIT? We believe in investing in our people, and value candidates who can bring their own diversified experiences to our teams – even if you aren't a 100% skill or experience match. 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 zł189,000 to zł252,000. 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). To fulfill our obligation to protect client data, successful applicants offered employment with CoreWeave will be required to complete a basic criminal record check, conducted in compliance with GDPR. Employment offers are conditional upon receiving satisfactory check results. What We Offer In addition to a competitive salary, we offer a variety of benefits to support your needs, including: * Family-level Medical Insurance * Family-level Dental Insurance * Generous Pension Contribution * Life Assurance at 4x Salary * Critical Illness Cover * Employee Assistance Programme * Tuition Reimbursement * Work culture focused on innovative disruption Benefits may vary by location. Equal Opportunity 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. Recruitment Agencies CoreWeave does not accept speculative CVs. Any unsolicited CVs received will be treated as the property of CoreWeave and your Terms & Conditions associated with the use of CVs will be considered null and void. Any unsolicited CVs sent by your company to us – that is to say, in any situation where we have not directly engaged your company in writing to supply candidates for a specific vacancy – will be considered by us to be a “free gift”, leaving us liable for no fees whatsoever should we choose to contact the candidate directly and engage the candidate’s services, and will in no way establish any prior claim by your company to representation of that candidate should the candidate’s details also be submitted by any other party. 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. Updated privacy notice - UK and EU Job Applications When you apply to a job on this site, the personal data contained in your application will be collected by CoreWeave UK Ltd. (“Controller”), which is located at Phosphor (6th Floor), 133 Park Street, London, SE1 9EA and can be contacted by emailing [email protected]. Controller’s data protection officer can be contacted at [email protected]. Your personal data will be processed for the purposes of managing Controller’s recruitment related activities, which include setting up and conducting interviews and tests for applicants, evaluating and assessing the results thereto, and as is otherwise needed in the recruitment and hiring processes. Such processing is legally permissible under Art. 6(1)(f) of (i) Regulation (EU) 2016/679 (General Data Protection Regulation (“GDPR”) and (ii) the GDPR as it forms part of the laws of the UK (“UK GDPR”), as necessary for the purposes of the legitimate interests pursued by the Controller, which are the solicitation, evaluation, and selection of applicants for employment. Your personal data will be shared with Greenhouse Software, Inc., a cloud services provider located in the United States of America and engaged by Controller to help manage its recruitment and hiring process on Controller’s behalf. With respect to transfers originating from the UK or the European Economic Area ("EEA") to a country outside the UK or the EEA, we implement the appropriate transfer mechanism(s) and other appropriate solutions to address cross-border transfers as required by applicable law. You may request a copy of the suitable mechanisms we have in place by contacting us at [email protected] Your personal data will be retained by Controller as long as Controller determines it is necessary to evaluate your application for employment. Where permitted by applicable law, we may also retain your personal data for a limited period after the recruitment process ends in order to consider you for future job opportunities, respond to legal claims, or comply with record-keeping obligations. Under the GDPR and the UK GDPR, you have the right to request access to your personal data, to request that your personal data be rectified or erased, and to request that processing of your personal data be restricted. You also have the right to data portability. In addition, you may lodge a complaint with the relevant supervisory authority: (i) A list of Europe’s data protection authorities can be found here; and (ii) for the UK, this is the Information Commissioner's Office. For additional information, please see our Privacy Policy.

Security Operations Engineer II

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