Sr. Security Engineer

Are you prepared to join the X team and help build the ultimate real-time information-sharing app, revolutionizing how people connect? At X, we’re on a mission to become the trusted global digital public square, committed to protecting freedom of speech and building the future unlimited interactivity. Our goal is to empower every user to freely create and share ideas, fostering open public discourse without barriers. Join us in shaping this thrilling journey where your contribution will be invaluable to our success!

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Who We Are
X serves our community of users and customers by working tirelessly to preserve free expression and choice, create limitless interactivity, and create a marketplace that enables the economic success of all its participants.

What You'll Do
You will be responsible for maintaining day-to-day security threat management. You will investigate and handle security incidents, collaborate with partner teams on known or suspected security threats. You will support threat intelligence, threat hunting, intrusion detection, and incident response efforts that adhere to, and push forward, best practices.

As a Security Engineer, you will:

• Drive processes and procedures to improve the quality and effectiveness of the team

• Drive the remediation of security incidents and update stakeholders

• Develop custom detections and optimize existing detections

• Research and analyze patterns in security events across X’s global infrastructure

• Identify, design, and lead threat hunting missions to quantify and reduce threats

• Manage and support log collection, security scanning, intrusion detection, and other security-related systems

• Develop automations to reduce false positives, handle events, and expedite incident response

• Analyze the security posture of systems via testing and vulnerability impact analysis

• Participate in a 24/7 on-call rotation performing security incident response

Who You Are

• You are passionate about security and building a secure environment for the people using X everyday

• You are quick to ask for help, and for clarification when you do not understand a task

• You make time-critical decisions based on data and analysis

• You have an investigative mindset and do not leave questions unanswered

• You question all requirements

Requirements

• B.S. in Computer Science, Cybersecurity, or a related technical discipline, or equivalent security experience

• Knowledge of networking and macOS, Windows or Linux operating systems

• Knowledge of cloud security fundamentals and practices (vendor agnostic)

• Experience with EDR, vulnerability scanners, SIEMs, MDM, and other common security tools

• Practical knowledge of SQL and Python, experience with other languages are a plus

• Knowledge of current TTPs utilized by threat actors

• Passion for malware analysis, forensics or penetration testing