Senior Application Security Engineer

CoreWeave is the AI Hyperscaler™, delivering a cloud platform of cutting edge services powering the next wave of AI. Our technology provides enterprises and leading AI labs with the most performant, efficient and resilient solutions for accelerated computing. Since 2017, CoreWeave has operated a growing footprint of data centers covering every region of the US and across Europe. CoreWeave was ranked as one of the TIME100 most influential companies of 2024.

As the leader in the industry, we thrive in an environment where adaptability and resilience are key. Our culture offers career-defining opportunities for those who excel amid change and challenge. If you’re someone who thrives in a dynamic environment, enjoys solving complex problems, and is eager to make a significant impact, CoreWeave is the place for you. Join us, and be part of a team solving some of the most exciting challenges in the industry.  

CoreWeave powers the creation and delivery of the intelligence that drives innovation. 

About the role: 

Our Cyber Security Organization seeks an experienced Senior Application Security Engineer to bolster our security posture across internal infrastructure and application offerings. If you are passionate about security engineering and assurance methodologies and thrive in fast-paced, collaborative environments, we invite you to join us on our journey toward achieving more together.

What You’ll Do:

• Provide security consultations with engineering peers
• Architecture reviews of new and existing code changes/additions
• Conduct full and complete threat models in part of the permit process
• Configure and own automated code reviews
• Own the manual code review process
• On-going Security Testing
• Risk documentation, remediation verification, and retest validation
• Engage in the review of full tech-stack solutions, understanding architecture, creating threat models, performing both automated and manual code reviews, and conducting security testing.
• Lead security audits, risk analysis, vulnerability testing, and security reviews across all elements of the project's software systems.
• Address challenging, novel situations daily, collaborating with multiple technical teams within and outside CoreWeave.
• Conduct Security Consults, Incident Response Plan Reviews, and Risk Documentation and Remediation Verification.
• Configure, troubleshoot and maintain security infrastructure software and hardware.
• Continuously analyze security systems for improvements, install monitoring software for security breaches and intrusions, and set up preventive measures.
• Report possible threats or software issues, test company software, firmware, firewalls, and infrastructure setups.
• Research weaknesses and devise countermeasures, finding cost-effective solutions to cybersecurity challenges.
• Develop and improve security standards and best practices for the organization, educating and training staff on information system security best practices.
• Assist employees with cybersecurity, software, hardware, or IT needs, providing solutions to complex issues in a fast-paced environment.

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.

Who You Are

 Minimum Qualifications:

• You should be comfortable with a high degree of ambiguity and relish the idea of solving problems that haven't been solved at scale before
• Bachelor’s degree in Computer Science or related field or equivalent experience
• Minimum 5 years of Application Security engineering experience and vulnerability testing
• Strong knowledge of authorization, authentication and encryption protocols and use cases
• Experience working with development team(s) that have delivered commercial software or software-based services
• Knowledge of threat modeling or other risk identification techniques
• Knowledge of system security vulnerabilities and remediation techniques including familiarity with common attack patterns and exploitation techniques (OWASP)
• Scripting skills (e.g., Perl, Python shell scripting)
• Knowledge of network and related web protocols (e.g., TCP/IP, UDP, IPSEC, HTTP, HTTPS, routing protocols)
• Ability to write fully functional exploits for common vulnerabilities such as simple stack overflow, cross-site scripting, or SQL injection
• Familiarity with common attack patterns, exploitation techniques, and standard Security Assessment and Penetration Testing tools such as BurpS