Senior Network Security Engineer

Details

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!

Responsibilities

• Expertise and Guidance: Serve as a subject matter expert in network security, particularly in firewalls and best practices.
• Configuration Management: Manage and update firewall configurations across X's enterprise network to meet operational needs.
• Deployment: Deploy new firewalls and network security devices as required by evolving security demands.
• Innovative Solutions: Develop and propose innovative network security solutions to address operational challenges.
• Documentation: Enhance security processes and manage change through thorough documentation.
• Support and Escalation: Act as the go-to for resolving complex network security issues.
• System Maintenance: Ensure network security systems are up-to-date with patches and maintenance.
• Collaboration: Work with various teams to integrate security into system designs and operations, promoting best practices.

Requirements

• Bachelor’s degree in a related field such as Information Systems, Information Security, Computer Science, or Engineering, with at least 4 years of network security experience; or 6+ years of experience in network security without a degree.
• Solid understanding of networking protocols and the OSI model.
• Experience in securing networks, IT infrastructure, applications, endpoints, and/or APIs.
• Proven track record in deploying, implementing, and testing network security solutions in a live production environment.
• Preferred: expertise in specific network security technologies, including:
  • Firewalls (e.g., Palo Alto, Juniper) and their centralized management systems.
  • Dynamic routing protocols (e.g., BGP, OSPF, SD-WAN).
  • Network IDS/IPS, content filtering, application filtering, and network segmentation.
  • Configuration of ACLs on switches/routers, Network Access Control (NAC), and VPN technologies (IPSec, TLS).
  • Experience with Web Application Firewalls and integration with SIEM for logging and alerting.
• Proficiency in programming and automation skills is advantageous.
• A proactive approach to learning new technologies and anticipating future security threats.
• Exceptional self-motivation and time management abilities.
• Strong communication skills, both written and verbal, to effectively liaise across different departments.