Senior Security Engineer, Detection Engineer

Core Weave is The Essential Cloud for AI™. Built for pioneers by pioneers, Core Weave 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, Core Weave combines superior infrastructure performance with deep technical expertise to accelerate breakthroughs and turn compute into capability. Founded in 2017, Core Weave became a publicly traded company (Nasdaq: CRWV) in March 2025.

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On this team, you will:

• Design cutting-edge detection strategies at scales most security engineers only dream about
• Collaborate with talented peers in an innovative environment focused on excellence
• Enjoy the autonomy and encouragement to innovate and influence Core Weave’s security landscape directly

• Developing and implementing advanced threat detection capabilities to proactively identify and mitigate cyber threats
• Crafting precise and efficient custom detection logic tailored to evolving threat landscapes
• Leading and/or participating in real-time security incident response, threat containment, and remediation.
• Conducting proactive threat-hunting exercises to uncover hidden vulnerabilities and anticipate threats
• Collaborating closely with cross-functional teams to enhance security visibility and detection effectiveness
• Continuously researching and staying informed about emerging threats, attack vectors, and detection methodologies
• Participating in strategic security initiatives, contributing your expertise to security architecture and controls
• Engaging in security assessments to uphold our high standards for security and compliance
• Occasionally, drawing the owl - figuring out innovative solutions while navigating ambiguous situations

Investing in our people is one of our top priorities, and we value candidates who can bring their diversified experiences to our teams. Here are some qualities we’ve found compatible with our team. We'd love to talk about whether this aligns with your experience and interests and what you’re excited to work on next.

• Proven ability to deliver impactful projects spanning multiple technical domains and teams
• Extensive experience crafting custom alert logic within industry-standard tooling, like KQL, SQL, etc
• Familiarity with Kubernetes fundamentals and enthusiasm to deepen your expertise.
• Experience collaborating closely with Purple and Red Teams, leveraging findings to enhance detection capabilities.
• Solid understanding of modern TTP frameworks such as MITRE ATT&CK and Cyber Kill Chain.
• Proficiency in at least one query language (e.g., SQL, Splunk Query Language, HiveQL).
• Competency in writing detections in multiple languages (Python, Bash, Go, JavaScript, etc.)
• Strong foundational knowledge of Linux or macOS internals and their relevant event sources (eBPF, Endpoint Security Framework)
• Practical experience applying and contributing to the Incident Response Lifecycle methodology

• Deep understanding of Kubernetes-specific detection and security challenges
• Contributions to the open-source security community or experience developing detection tooling
• Experience leveraging advanced analytics or machine learning techniques in detection engineering

Please note that this role is not a typical 9-5 job. There may be instances where real-time incident response requires active participation outside business hours. On-call hours (including weekends and holidays) and all-hands-on-deck participation during active incidents are expected. If crafting sophisticated detection strategies and staying ahead of threats in a dynamic, innovative environment excites you, we’d love…